2011-12-14  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query_transform.c:
	(rasqal_query_remove_empty_group_graph_patterns): Only for GROUP

2011-12-13  Dave Beckett <dave@dajobe.org>

	* src/rasqal_datetime.c:
	Size of xsd:Date prefix is 6 not 7

2012-02-13  Lauri Aalto <laalto@iki.fi>

	* autogen.sh:
	require automake 1.11.2+ for -Wextra-portability

2012-02-11  Dave Beckett <dave@dajobe.org>

	* configure.ac:
	Report raptor version in build summary

2012-02-09  Dave Beckett <dave@dajobe.org>

	* src/rasqal_digest_md5.c, src/rasqal_digest_sha1.c,
	src/rasqal_internal.h: Added RASQAL_BAD_CAST RASQAL_GOOD_CAST
	after raptor

	Added it to MD5 and SHA1 calls where a len turns into a size_t

	* build/.gitignore: ar-lib

	* configure.ac:
	Add automake option -Wextra-portability and
	AM_PROG_AR to make it happy

2012-02-05  Dave Beckett <dave@dajobe.org>

	* INSTALL.html, LICENSE.html, NEWS.html, README.html,
	RELEASE.html, TODO.html: 2012

	* src/rasqal.h.in, src/rasqal_datetime.c,
	src/rasqal_format_html.c, src/rasqal_format_json.c,
	src/rasqal_format_rdf.c, src/rasqal_format_sparql_xml.c,
	src/rasqal_format_sv.c, src/rasqal_literal.c,
	src/rasqal_query_results.c, src/rasqal_query_write.c,
	src/rasqal_xsd_datatypes.c: Added RASQAL_LITERAL_DATE for xsd:Date

	rasqal_literal_type gains RASQAL_LITERAL_DATE but it is
	unfortunately not in the FIRST_XSD to LAST_XSD range so needs it's
	own handling.

	(rasqal_new_xsd_date): Fix call to rasqal_xsd_datetime_parse() to
	unset isDateTime flag.

	(rasqal_xsd_check_date_format): Added.  Add xsd:date to recognized
	datatype URIs in XSD module.

	(rasqal_xsd_datatype_uri_to_type, rasqal_xsd_datatype_type_to_uri)
	(rasqal_xsd_datatype_check, rasqal_xsd_datatype_parent_type): Add
	date support as an XSD type that is not in the FIRST..LAST range.

	(rasqal_new_numeric_literal): Handle RASQAL_LITERAL_DATE via
	rasqal_new_xsd_date()

	(rasqal_free_literal): Updated for date Updated many other methods
	to pretty much do the same thing as RASQAL_LITERAL_DATETIME for
	RASQAL_LITERAL_DATE.

	(rasqal_literal_compare): Use new rasqal_xsd_date_compare

	(rasqal_literal_equals_flags): Use new rasqal_xsd_date_equals

	(rasqal_literal_cast): Allow casting string to date and date to
	string.

2011-12-04  Dave Beckett <dave@dajobe.org>

	* src/Makefile.am, src/rasqal_xsd_datatypes.c: Eliminate never
	used code in rasqal_xsd_datatypes.c Removed empty test code

	* docs/rasqal-changes.tsv, docs/rasqal-sections.txt,
	src/rasqal.h.in, src/rasqal_datetime.c, src/rasqal_internal.h: Add
	rasqal_xsd_date for XSD:Date

	(rasqal_new_xsd_date, rasqal_free_xsd_datetime): Added constructor
	and destructor

	(rasqal_xsd_date_to_counted_string, rasqal_xsd_date_to_string)
	(rasqal_xsd_date_equals, rasqal_xsd_date_compare): Added core
	methods

2011-12-03  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query_results.c: Fix blank node generation for
	constructs

	(rasqal_literal_to_result_term): Added, pulled out of
	rasqal_query_results_get_triple().  Rewrite blank node IDs to be
	prefixed by the result number, only if the original value was a
	blank node from the CONSTRUCT otherwise leave it alone.

	(rasqal_query_results_get_triple): Use above to turn rasqal values
	into raptor terms and constrain to the RDF rules.

2011-11-20  Dave Beckett <dave@dajobe.org>

	* configure.ac: search for AWK and use it

2011-11-18  Dave Beckett <dave@dajobe.org>

	* src/rasqal.h.in: this is rasqal

2011-11-17  Dave Beckett <dave@dajobe.org>

	* NEWS.html, RELEASE.html, configure.ac:
	Bumped version to 0.9.29

	* Snapshotted rasqal_0_9_28 for 0.9.28 release (GIT
	6618f96e1be4693f1f73be138dd94c46ecc98376)

2011-11-16  Dave Beckett <dave@dajobe.org>

	* configure.ac:
	Make sure raptor is new enough or fail configure

2011-11-15  Dave Beckett <dave@dajobe.org>

	* .gitmodules, autogen.sh, configure.ac, libmtwist,
	src/Makefile.am, src/mtwist_config.h, src/rasqal_random.c: Add
	libmtwist as a submodule to implement random

	* RELEASE.html: 0.9.28

	* src/Makefile.am: Made git-version.h a non-distributable source
	file.

2011-11-14  Dave Beckett <dave@dajobe.org>

	* src/rasqal_general.c:
	(rasqal_log_error_varargs): Use raptor_vasprintf for raptor >= 2.0.5

2011-10-24  Dave Beckett <dave@dajobe.org>

	* src/rasqal_mt_rand.c: Remove rasqal includes

	* src/rasqal_mt_rand.c: multiple code style fixes.

2011-10-23  Dave Beckett <dave@dajobe.org>

	* src/rasqal_mt_rand.c: RASQAL_MT_MATRIX_A

	* src/Makefile.am, src/rasqal_mt_rand.c, src/rasqal_random.c:
	Mersenne Twister functions

	* configure.ac, src/rasqal_random.c: Use GNU MP random routines if
	GMP was configured

	* src/rasqal_random.c: Do not cast int to double, let arithmetic
	promote it

	* src/rasqal_random.c:
	(rasqal_new_random): Set initial seed from system

	* src/rasqal_expr.c, src/rasqal_expr_numerics.c,
	src/rasqal_internal.h, src/rasqal_random.c: Rename random methods;
	add double function

	(rasqal_random_seed): Renamed from rasqal_random_srand

	(rasqal_random_irand): Renamed from rasqal_random_rand

	(rasqal_random_drand): Added returning a double Updated callers to
	use new names.

2011-10-23  Dave Beckett <dave@dajobe.org>

	* INSTALL.html, configure.ac:
	Make random approach configurable

	Added --with-random-approach=ALGO to select from the choices

	It is still an error to have nothing, since rand() is always
	available in POSIX.

2011-10-19  Dave Beckett <dave@dajobe.org>

	* src/rasqal_random.c: RASQAL_RANDOM_STATE_SIZE

	* src/rasqal_random.c: fixes for initstate_r and random_r

	* src/Makefile.am, src/rasqal.h.in, src/rasqal_expr.c,
	src/rasqal_expr_numerics.c, src/rasqal_internal.h,
	src/rasqal_query.c, src/rasqal_random.c: Switch random to an
	object and add tests rasqal_random: added new structure with RNG
	state

	(rasqal_random_get_system_seed): Takes a world pointer.

	(rasqal_new_random): Renamed from rasqal_random_init

	(rasqal_free_random): Renamed from rasqal_random_finish

	(rasqal_random_rand): Document range is 0..RAND_MAX inclusive.

	(rasqal_new_evaluation_context): Create RNG object.

	(rasqal_evaluation_context_set_rand_seed)

	(rasqal_expression_evaluate_rand, rasqal_query_prepare): Use RNG
	object to set seed and get a number.

2011-10-19  Nicholas J Humfrey <njh@aelius.com>

	* src/rasqal_format_sv.c: Added W3C Format URIs for SPARQL 1.1
	Query Results CSV and TSV Formats.

	Added See Also URIs for CSV format.

2011-10-18  Dave Beckett <dave@dajobe.org>

	* configure.ac, src/rasqal.h.in, src/rasqal_random.c: Add support
	for glibc random_r() and prefer re-entrant random routines

	random_r() is a glibc extension

	Prefer the re-entrant random number generators in order:
	random_r(), rand_r() then the portable but not so safe: random()
	and rand().

2011-10-17  Dave Beckett <dave@dajobe.org>

	* src/rasqal.h.in, src/rasqal_expr.c, src/rasqal_internal.h,
	src/rasqal_random.c: With initstate(), save old state

	rasqal_evaluation_context gains a field old_random_state

	(rasqal_random_init): Altered to be an initializer

	(rasqal_random_finished): Added to be a finisher

	(rasqal_random_srand): Renamed from rasqal_random_init.

	Updated callers

2011-10-16  Dave Beckett <dave@dajobe.org>

	* configure.ac, src/rasqal.h.in, src/rasqal_expr.c,
	src/rasqal_expr_numerics.c, src/rasqal_internal.h,
	src/rasqal_query.c, src/rasqal_random.c: Update random support to
	enable use of BSD random() and prefer it

	rasqal_evaluation_context gains a buffer for BSD random to use.

	configure checks for srandom() and initstate() and if both are
	present, prefers that over rand_r and rand for a RNG.

	(rasqal_random_get_system_seed): Now takes rasqal_evaluation_context
	arg.

	(rasqal_random_init): Added to init the random state with seed.

	(rasqal_random_rand): Added to get the random number from the RNG.

	(rasqal_evaluation_context_set_rand_seed): Now just calls
	rasqal_random_init().

	(rasqal_expression_evaluate_rand): Now calls rasqal_random_rand().

2011-10-13  Nicholas J Humfrey <njh@aelius.com>

	* src/rasqal_format_json.c: Added URI for W3C Working Draft to
	SPARQL JSON Result Format.

	* src/rasqal_format_json.c, src/rasqal_format_sparql_xml.c: Added
	W3C Format URIs to the JSON and XML SPARQL result formats.

2011-10-12  Dave Beckett <dave@dajobe.org>

	* src/rasqal_regex.c: POSIX regex implementation of replace

	(rasqal_regex_match): Set extended regex syntax.

	(rasqal_regex_replace_posix): Rewrote based on
	rasqal_regex_replace_pcre approach.

	(rasqal_regex_replace): Add an extra outer capturing ()s for POSIX
	regexes so that we always know what was matched.

	* configure.ac: Set RASQAL_REGEX_POSIX in test not PCRE

2011-10-11  Lauri Aalto <laalto@iki.fi>

	* utils/roqet.c:
	(main): Remove obsolete -w from roqet --help.

	Already removed from code in
	0df20a7c4cff1c73640b42fc8b8d5a5fa33d99ba.

	Fixes Issue 0000474
	http://bugs.librdf.org/mantis/view.php?id=474

2011-10-09  Dave Beckett <dave@dajobe.org>

	* src/rasqal_regex.c: Use UTF-8 for pcre matching and set compile
	and exec options correctly

	(rasqal_regex_match, rasqal_regex_replace): Split regex compile
	and regex exec options.  Set UTF-8 mode for compiling PCRE regexes
	so that characters are matched not bytes.

	* src/rasqal_expr_strings.c:
	(rasqal_expression_evaluate_replace): Copy lang and datatype to
	result

	* src/rasqal_regex.c: Implement replace all for
	rasqal_regex_replace (PCRE)

	(rasqal_regex_replace_pcre): Replaced with a looping construct
	that replaces all matches with the replacement.

	(main): Add tests for PCRE with above

	* tests/algebra/convert_graph_pattern.c:
	(file_read_string): prevent gcc stack size warning in test code

	* src/sparql_parser.y:
	(main): prevent gcc stack size warning in test code

	* src/rasqal_regex.c:
	doc comments

	* src/rasqal_expr.c, src/rasqal_expr_strings.c,
	src/rasqal_internal.h, src/rasqal_literal.c, src/rasqal_regex.c,
	src/rasqal_variable.c: Move all regex code to rasqal_regex.c

	(rasqal_regex_match): Added.

	* src/rasqal_expr_strings.c, src/rasqal_internal.h,
	src/rasqal_regex.c:
	(rasqal_regex_replace*): Renamed to match module name

	* src/rasqal_regex.c:
	(rasqal_string_replace): reset default posix flags

	* src/rasqal_expr_strings.c:
	(rasqal_expression_evaluate_strmatch): reset default posix flags

	* src/rasqal_regex.c:
	(rasqal_string_replace): rc is only used for posix regex

	* src/Makefile.am, src/rasqal_expr_strings.c,
	src/rasqal_internal.h, src/rasqal_regex.c: Move replace regex code
	to new rasqal_regex.c module

	* src/rasqal_expr_strings.c:
	(rasqal_regex_get_ref_number): Added

	* src/rasqal_expr_strings.c:
	(rasqal_string_replace_pcre, rasqal_string_replace_posix): set
	result_len_p

	* src/rasqal_expr_strings.c:
	Tidy rasqal_string_replace internals

	(rasqal_string_replace_pcre, rasqal_string_replace_posix): Added.
	Pulled out of rasqal_string_replace

	* src/rasqal_expr_strings.c: PCRE compile fixes

	* src/rasqal_expr_strings.c:
	(rasqal_string_replace): Added pulled out of
	rasqal_expression_evaluate_replace()

	* src/rasqal_expr_strings.c: actually set options

2011-10-07  Dave Beckett <dave@dajobe.org>

	* src/rasqal_expr_strings.c:
	(rasqal_expression_evaluate_replace): Partial REPLACE implementation

2011-10-04  Dave Beckett <dave@dajobe.org>

	* src/rasqal.h.in, src/rasqal_expr.c, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_strings.c, src/rasqal_internal.h,
	src/rasqal_query_write.c, src/sparql_lexer.l, src/sparql_parser.y:
	Add support for SPARQL 1.1 STRBEFORE, STRAFTER, REPLACE

	rasqal_op gains new tokens RASQAL_EXPR_STRBEFORE,
	RASQAL_EXPR_STRAFTER and RASQAL_EXPR_REPLACE.

	Add parsing for STRBEFORE (2 args), STRAFTER (2 args) and REPLACE
	(3 or 4 args)

	(rasqal_expression_evaluate_strbefore)
	(rasqal_expression_evaluate_strafter): Add expression evaluation
	for RASQAL_EXPR_STRBEFORE and RASQAL_EXPR_STRAFTER.

	(rasqal_expression_evaluate_replace): Add skeleton code to
	evaluate RASQAL_EXPR_REPLACE - currently always fails.

	* src/rasqal.h.in, src/rasqal_expr.c: Support builtin functions
	with up to 4 arguments rasqal_expression gains arg4 for 4th
	expression argument

	(rasqal_new_4op_expression): Added to construct 3/4-arg
	expressions.

2011-09-13  Dave Beckett <dave@dajobe.org>

	* src/rasqal_literal.c, src/rasqal_xsd_datatypes.c: Clear errno
	before calling strtol() and checking the result

2011-09-12  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query_write.c:
	(rasqal_query_write_sparql_20060406): Correct output of LIMIT,
	OFFSET

2011-09-11  Dave Beckett <dave@dajobe.org>

	* src/sparql_parser.y: Switch language 'sparql' to SPARQL 1.1

	* configure.ac: Use strtod() to convert runtime environ name that
	can't be optimized away.

	* configure.ac: Need stdlib for atof() in test

2011-09-08  Dave Beckett <dave@dajobe.org>

	* configure.ac: Use 0.000 to get a 0 exit code

	* configure.ac: Improve ceil, floor and round configure test

	Use a more comprehensive configure build and run test for ceil(),
	floor() and round() to prevent GCC optimizing it away and getting
	the wrong answer when checking whether to link with -lm

2011-09-05  Lauri Aalto <laalto@iki.fi>

	* src/rasqal_result_formats.c:
	(rasqal_world_guess_query_results_format_name): Fix for compiling
	with RASQAL_DEBUG > 2

	* src/rasqal_general.c, src/rasqal_result_formats.c:
	(rasqal_query_language_register_factory
	rasqal_world_register_query_results_format_factory): Fixes for
	compiling with RASQAL_DEBUG > 1

	Fixes Issue #0000471
	http://bugs.librdf.org/mantis/view.php?id=471

2011-08-30  Dave Beckett <dave@dajobe.org>

	* src/rasqal_format_sparql_xml.c: Handle <literal></literal> as
	empty literal in reading XML results

2011-08-28  Dave Beckett <dave@dajobe.org>

	* src/Makefile.am, src/rasqal_datetime.c, src/rasqal_internal.h,
	src/snprintf.c: Remove all use of snprintf for xsd:datetime and
	xsd:date formatting.

	(rasqal_format_integer): Added like snprintf() args but with
	options for width and padding.

	(rasqal_xsd_datetime_timezone_format): Now returns bytes or <0 on
	failure.

	(rasqal_xsd_format_microseconds): Added to format microseconds as
	fractions of a second with no trailing 0s.

	(rasqal_xsd_datetime_to_counted_string): Use
	rasqal_format_integer() and rasqal_xsd_format_microseconds() to do
	the formatting here and remove a loop calling snprintf() twice
	with a NULL arg first.

	(rasqal_xsd_date_to_string): Use rasqal_format_integer().

	(rasqal_xsd_datetime_get_tz_as_counted_string): Use updated
	calling convention of rasqal_xsd_datetime_timezone_format().

	* src/rasqal_datetime.c:
	(rasqal_xsd_date_to_string): Remove use of snprintf

2011-08-27  Dave Beckett <dave@dajobe.org>

	* src/rasqal_datetime.c:
	(rasqal_xsd_datetime_timezone_format): Remove one snprintf()

2011-08-25  Dave Beckett <dave@dajobe.org>

	* tests/algebra/check-algebra, tests/rdql/testsuite/check-rdql,
	tests/sparql/check-sparql: Set DIFF envariable for check tests to
	allow use off GNU Diff

	Thanks to Peter O'Gorman (pogma) for the patch

	Fixes Issue#0000467
	http://bugs.librdf.org/mantis/view.php?id=467

	* src/rasqal_algebra.c, src/rasqal_general.c, src/rasqal_graph.c,
	src/rasqal_query_transform.c, src/rasqal_raptor.c,
	src/rasqal_result_formats.c, src/rasqal_row.c,
	src/rasqal_rowsource_aggregation.c,
	src/rasqal_rowsource_triples.c, src/rasqal_variable.c,
	src/rasqal_xsd_datatypes.c: Code style: use calloc(type, count,
	size) form on one line

	* src/rasqal_row.c:
	Do not calloc with 0 count - not portable

	(rasqal_new_row_common): Add a condition around the if using code
	from patch in bug.  Thanks to Peter O'Gorman (pogma)

	Fixes Issue#0000466
	http://bugs.librdf.org/mantis/view.php?id=466

	* src/sparql_lexer.l, src/sparql_parser.y: debug level doc

2011-08-24  Dave Beckett <dave@dajobe.org>

	* utils/check_query.c: Use rasqal_literal_string_to_native to just
	make it work

	* utils/check_query.c: Use rasqal_query_results_sort() to sort
	results.

	* src/rasqal_internal.h, src/rasqal_query_results.c: Added
	internal function to sort saved rows by some function

	(rasqal_query_results_sort): Added calling
	rasqal_query_results_execute_and_store_results if there is a
	factory and no results sequence. Sorts the internal results
	sequence

	* src/rasqal_internal.h, src/rasqal_row.c: Added
	rasqal_row_compare() internal function for sorting

2011-08-23  Dave Beckett <dave@dajobe.org>

	* NEWS.html, RELEASE.html, configure.ac:
	Bumped version to 0.9.28

	* INSTALL.html: ws

	* Snapshotted rasqal_0_9_27 for 0.9.27 release (GIT
	2371992e6bc8d4573576dd90ea172626948a11f1)

	* docs/rasqal-changes.tsv, docs/rasqal-sections.txt,
	docs/tmpl/section-variables-table.sgml, src/rasqal.h.in,
	src/rasqal_internal.h, src/rasqal_query.c, src/rasqal_variable.c:
	Added rasqal_variables_table_contains to the public API

	(rasqal_variables_table_contains): Added, renamed from the
	internal function rasqal_variables_table_has().

	* configure.ac: Do not enable debug messages by default for
	--enable-maintainer-mode

	This now requires the extra --enable-debug option to configure or
	autogen.sh

	* configure.ac: Added --with-gmp option to configure for GMP

	* README.html, RELEASE.html: Document rassqal 0.9.27 requires
	raptor 2.0.4 or newer

	* configure.ac: RAPTOR_MIN_VERSION is now 2.0.4

2011-08-23  Lauri Aalto <laalto@iki.fi>

	* src/rasqal_algebra.c:
	(rasqal_algebra_extract_aggregate_expressions): Do not attempt to
	traverse NULL projection->variables

2011-08-22  Dave Beckett <dave@dajobe.org>

	* RELEASE.html: 0.9.27

	* src/rasqal_expr_evaluate.c: Enable evaluation debugging only if
	RASQAL_DEBUG_EVAL is set

	* src/Makefile.am:
	Add rule so git-version.h is always checked/built

	This is found in cases such as a fresh GIT checkout (or a make
	distclean).  During compilation gcc will add the .deps files that
	ensure the complete dependencies are recorded.

	* .gitignore, src/Makefile.am, src/rasqal_general.c,
	src/rasqal_internal.h: Build a git-version.h in maintainer mode
	and add to string version

	* configure.ac: Define -DMAINTAINER_MODE when in maintainer mode

2011-08-21  Dave Beckett <dave@dajobe.org>

	* src/gettimeofday.c: header

	* src/timegm.c:
	(rasqal_timegm): Add a Windows version using _mkgmtime()

	* src/win32_rasqal_config.h.in: Undefine DELETE, IN, GROUP tokens
	for windows

	* configure.ac, src/Makefile.am, src/gettimeofday.c,
	src/rasqal_general.c, src/win32_rasqal_config.h.in: Add
	gettimeofday() for windows

	* src/win32_rasqal_config.h.in:
	Add timeval definition and round()

	* src/rasqal_rowsource_graph.c:
	(rasqal_graph_rowsource_read_row): Remove temporary assert; not
	needed.

	* src/rasqal_rowsource_graph.c: Revert previous commit
	67548342ca93d70d834e10483f3ae9e4974a622a

	(rasqal_graph_rowsource_read_row): Input row size is correct, do
	not lose last input row var.

	* src/rasqal_rowsource_graph.c:
	(rasqal_graph_rowsource_read_row): Copy correct number of input
	row vars

	* ChangeLog, NEWS.html, RELEASE.html: 0.9.27

	* src/rasqal_format_sv.c: use eol_str as parameter

	* src/rasqal_format_sv.c: Generate CRLF for TSV and LF for CSV
	following draft

	* src/rasqal_format_sv.c:
	Generate CSV/TSV following draft SPARQL
	1.1 CSV/TSV results format
	http://www.w3.org/2009/sparql/docs/csv-tsv-results/results-csv-tsv.html

	* src/rasqal_rowsource_union.c: More row debug printing

	* src/rasqal_rowsource_join.c: Made join properly reset when doing
	extra rows

	(rasqal_join_rowsource_reset): Start at JS_START More row debug
	printing

	* src/rasqal_rowsource_graph.c: Handle GRAPH ?g returning an empty
	when there is just the default graph.

	(rasqal_graph_rowsource_init): Do not pass on finished flag state
	to result of init, it is not an init error to finish now.

2011-08-20  Dave Beckett <dave@dajobe.org>

	* tests/sparql/check-sparql: fix graph compare with dup triples

	* src/rasqal_query_results.c: Handle skipping unbound variables in
	CONSTRUCT properly

	(rasqal_query_results_get_triple): Use
	rasqal_query_results_next_internal to not fail check and Reset
	skipped flag.

	* src/rasqal_query_results.c: Do not duplicate code for moving to
	next result (unchecked)

	(rasqal_query_results_next_internal): Added

	(rasqal_query_results_next): Use
	rasqal_query_results_next_internal() after verb check

	(rasqal_query_results_next_triple): Use
	rasqal_query_results_next_internal so that CONSTRUCT does not fail
	after first result row when this check happens.

	* src/rasqal_rowsource_join.c: Fix bogus join test to test natural
	and left correctly

	It was bad because the join variable 'b' had a full match between
	left and right tables.  Now the natural join returns 2 rows wheras
	the left join returns 3 since there are no values for b='green' in
	the right table.

	* src/rasqal_query_transform.c, src/rasqal_rowsource_join.c:
	project all variables in group and optional sub-GPs

	(rasqal_query_graph_pattern_build_variables_use_map_binds): Pass
	GROUP and OPTIONAL through the binding also done for UNION using
	the existing rasqal_query_union_build_variables_use_map_binds()

	(rasqal_join_rowsource_read_row): Requires a change here to
	prevent generating too many rows in a left join when rows are not
	compatible.  Not entirely clear why yet.

2011-08-20  Dave Beckett <dave@dajobe.org>

	* src/rasqal_rowsource_join.c:
	(rasqal_join_rowsource_read_row): Bind variables when a row is
	generated.

	* src/rasqal_rowsource_join.c:
	(rasqal_join_rowsource_read_row): Code tidy - no semantic changes.

2011-08-19  Dave Beckett <dave@dajobe.org>

	* src/rasqal_rowsource_distinct.c:
	(rasqal_distinct_rowsource_init): do not set unused var con

2011-08-18  Dave Beckett <dave@dajobe.org>

	* src/rasqal_internal.h, src/rasqal_rowsource.c: rowsource class
	implements saving rows when required

	Added internal flags when the rowsource class must do the work
	  RASQAL_ROWSOURCE_FLAGS_SAVE_ROWS - in process of saving rows
	  RASQAL_ROWSOURCE_FLAGS_SAVED_ROWS - have saved rows for replay

	(rasqal_rowsource_read_row): When saving, store the rows in
	rowsource rows_sequence (and keep a reference).  When replaying,
	read them out and make a new reference.  When using read_all_rows
	to implement read_row, copy the entire sequence.  When the last
	row is seen, set the RASQAL_ROWSOURCE_FLAGS_SAVED_ROWS flag and
	reset he RASQAL_ROWSOURCE_FLAGS_SAVE_ROWS flag.  Adjust messaging
	to note when a saved row is being returned

	(rasqal_rowsource_read_all_rows): Implement saving for entire
	sueqneces of rows copying the entire sequence and copying it again
	to replay.

	(rasqal_rowsource_reset): If the rowsource does not implement
	reset and the rows are saved, reset the offset.

	(rasqal_rowsource_visitor_set_requirements): When resets are
	required but the rowsource does not implement it, set the
	RASQAL_ROWSOURCE_FLAGS_SAVE_ROWS flag so this module does the
	work.

	* src/sparql_parser.y: word

	* src/sparql_parser.y: Add syntax support for CONSTRUCT WHERE {
	triples }

	* src/rasqal_graph_pattern.c: docs

2011-08-16  Dave Beckett <dave@dajobe.org>

	* src/rasqal_rowsource_slice.c: Reset slice rowsource properly and
	use result numbers (offsets) from 1

	(rasqal_slice_rowsource_init): Added to set initial result offset
	to 1.

	(rasqal_distinct_rowsource_reset): Reset result offset to 1.

	(rasqal_slice_rowsource_read_row): Some debug messaging

	* src/rasqal_rowsource_distinct.c: Reset distinct rowsource
	properly; empty map and zero offset

	(rasqal_distinct_rowsource_init_common): Added

	(rasqal_distinct_rowsource_init): Added to call above to make it
	clear; with calloc()ed memory this is not actually necessary.

	(rasqal_distinct_rowsource_reset): Call above.

2011-08-15  Dave Beckett <dave@dajobe.org>

	* src/rasqal_internal.h, src/rasqal_rowsource.c,
	src/rasqal_rowsource_join.c, src/rasqal_rowsource_union.c: Allow
	rowsources to set requirements on inner rowsources.

	(rasqal_rowsource_set_requirements): Added to do the visit using
	rasqal_rowsource_visitor_set_requirements().

	Added flag RASQAL_ROWSOURCE_REQUIRE_RESET to indicate requiring
	the ability to do rasqal_rowsource_reset() on an inner rowsource.

	* src/rasqal_format_rdf.c, src/rasqal_format_sparql_xml.c,
	src/rasqal_internal.h, src/rasqal_rowsource.c,
	src/rasqal_rowsource_aggregation.c,
	src/rasqal_rowsource_assignment.c,
	src/rasqal_rowsource_distinct.c, src/rasqal_rowsource_empty.c,
	src/rasqal_rowsource_filter.c, src/rasqal_rowsource_graph.c,
	src/rasqal_rowsource_groupby.c, src/rasqal_rowsource_having.c,
	src/rasqal_rowsource_join.c, src/rasqal_rowsource_project.c,
	src/rasqal_rowsource_rowsequence.c, src/rasqal_rowsource_slice.c,
	src/rasqal_rowsource_sort.c, src/rasqal_rowsource_triples.c,
	src/rasqal_rowsource_union.c:

	Replace unused rowsource set_preserve method with set_requirements

	Delete all rowsource implementations of the unused set_preserve
	method and all calls to rasqal_rowsource_set_preserve() that did
	nothing.

	* src/rasqal_rowsource_triples.c: Remove unused
	preserve_on_all_finished from triples rowsource

	* src/rasqal_rowsource.c:
	(rasqal_rowsource_visit): Allow truncation of recursive visits.

	* src/rasqal_internal.h, src/rasqal_row.c:
	(rasqal_row_sequence_copy): Added

2011-08-14  Dave Beckett <dave@dajobe.org>

	* src/rasqal_rowsource_graph.c: Store number of data graphs
	rasqal_graph_rowsource_context gains a dg_size field.

	(rasqal_graph_rowsource_reset): Calculate dg_size once.

	* src/rasqal_rowsource_join.c: Remove reading rows from join
	rowsource init Label enum states with JS_prefix.

	Add state JS_INIT for once-only setup.

	(rasqal_join_rowsource_init): Set initial state to JS_INIT and
	delete setup that reads rows

	(rasqal_join_rowsource_read_row): Handle JS_INIT.  Rename states
	with JS_ prefix.

	(rasqal_join_rowsource_reset): Rename state with JS_ prefix.

	* src/rasqal_rowsource_join.c: Make rasqal_join_state an enum

	* src/rasqal_rowsource_join.c: Use FINISHED not 2 for state

	* src/rasqal_rowsource_graph.c: Do not call reset in graph init

	(rasqal_graph_rowsource_init): Inline and just call
	rasqal_graph_next_dg()

	* src/rasqal_raptor.c: Save and use which parts of triples are
	bound and reset those vars

	rasqal_raptor_triples_match_context gains bind_parts field

	(rasqal_raptor_next_match): Add debug print when matches end

	(rasqal_raptor_init_triples_match): Save parts that are bind and
	then use it to reset variables we are about to bind to NULL, to
	ensure that the triples match gets the proper NULL values.

	* src/rasqal_rowsource.c:
	(rasqal_rowsource_reset): Debug warning when reset cannot be done

	* src/rasqal_engine_sort.c, src/rasqal_internal.h,
	src/rasqal_rowsource_sort.c: Make
	rasqal_engine_rowsort_calculate_order_values not use query fields

	(rasqal_engine_rowsort_calculate_order_values): Add order_seq arg
	rather than use rasqal_query_get_order_conditions_sequence().

	(rasqal_sort_rowsource_process): Pass in order sequence to
	rasqal_engine_rowsort_calculate_order_values()

	* tests/algebra/convert_graph_pattern.c: Use
	rasqal_algebra_query_add_orderby with projection arg.

	* src/rasqal_algebra.c, src/rasqal_engine_algebra.c,
	src/rasqal_internal.h: Pass order sequence and distinct flag to
	algebra nodes

	rasqal_algebra_node: Add distinct field.

	(rasqal_new_orderby_algebra_node): Add distinct flag and store it.

	(rasqal_algebra_query_add_orderby): Renamed from
	rasqal_algebra_query_add_modifiers since it only does ORDERBY and
	DISTINCT.  Add projection arg to get distinct info.  Use it to get
	distinct flag for calling rasqal_new_orderby_algebra_node()

	(rasqal_algebra_select_graph_pattern_to_algebra): Use
	rasqal_algebra_query_add_orderby with projection arg for distinct.

	(rasqal_query_engine_algebra_execute_init): Pass in projection arg
	to rasqal_algebra_query_add_orderby.

	* src/rasqal_engine_algebra.c, src/rasqal_internal.h,
	src/rasqal_rowsource_sort.c: rasqal_new_sort_rowsource gets
	order/distinct from args not query fields

	rasqal_sort_rowsource_context: Add order_seq and distinct fields.

	(rasqal_sort_rowsource_init): Get order seq from context not
	direct from query object.

	(rasqal_new_sort_rowsource): Add order seq and distinct args and
	store them.

	* src/rasqal_algebra.c, src/rasqal_engine_algebra.c,
	src/rasqal_internal.h: Implement slice algebra node
	rasqal_algebra_node: Renamed slice fields to limit, offset

	(rasqal_new_slice_algebra_node): Added

	(rasqal_algebra_algebra_node_write_internal): Adjust for field
	rename.

	(rasqal_algebra_select_graph_pattern_to_algebra): Apply slices in
	sub-SELECT.

	(rasqal_algebra_query_add_slice): Added

	(rasqal_algebra_slice_algebra_node_to_rowsource): Added.

	(rasqal_algebra_node_to_rowsource): Call above to handle
	RASQAL_ALGEBRA_OPERATOR_SLICE.

	* src/Makefile.am, src/rasqal_internal.h,
	src/rasqal_rowsource_slice.c: Add slice rowsource
	(rasqal_new_slice_rowsource): Added.

	* src/rasqal_internal.h, src/rasqal_query_results.c: Pull
	limit/offset checkint out of rasqal_query_check_limit_offset()

	(rasqal_query_check_limit_offset_core): Added with just limit and
	offset parameters.

	(rasqal_query_check_limit_offset): Now calls above with fields
	from query.

	* tests/algebra/convert_graph_pattern.c:
	(main): Update call to rasqal_algebra_query_add_distinct

2011-08-13  Dave Beckett <dave@dajobe.org>

	* src/rasqal_algebra.c:
	(rasqal_algebra_query_add_distinct): Handle NULL projection

	* src/rasqal_query_transform.c:
	Walk sub-SELECT graph pattern once.

	(rasqal_query_graph_pattern_build_variables_use_map_binds): Do not
	bind SELECT inner GP multiple times; skip the sub-GP loop.

	* src/rasqal_query_transform.c:
	More debugging of vars scope

	* src/rasqal_query_transform.c:
	(rasqal_query_dump_vars_scope): Added for debuggin vars scope

	* src/rasqal_query_transform.c: DEBUG_FH

	* src/rasqal_query_transform.c: Make
	rasqal_query_build_variables_use_map_binds take a graph pattern
	arg

	(rasqal_query_build_variables_use_map_binds): Add gp arg like the
	use function rasqal_query_build_variables_use_map() does.

	(rasqal_query_build_variables_use_map): Update call to above.

	* src/rasqal_algebra.c, src/rasqal_engine_algebra.c,
	src/rasqal_internal.h: Use projection to get distinct flag

	(rasqal_algebra_query_add_distinct): Add projection arg for
	distinct flag.

	(rasqal_algebra_select_graph_pattern_to_algebra,
	rasqal_query_engine_algebra_execute_init): Update callers

	* src/rasqal_algebra.c:
	(rasqal_algebra_select_graph_pattern_to_algebra): Implement
	sub-SELECTs

2011-08-11  Dave Beckett <dave@dajobe.org>

	* RELEASE.html: 0.9.27

	* src/rasqal_query.c: word

	* src/rasqal_query.c:
	(rasqal_query_set_variable): set named variables like old behaviour

	* src/rasqal_query.c:
	(rasqal_query_has_variable): autodocs - any type

	* docs/rasqal-changes.tsv, docs/rasqal-sections.txt,
	docs/tmpl/section-query.sgml,
	docs/tmpl/section-variables-table.sgml, src/rasqal_query.c: docs
	for 0.9.27 new functions

	* src/rasqal.h.in:
	Edit header rasqal.h.in not generated header

	* src/rasqal.h.in, src/rasqal_internal.h, src/rasqal_query.c,
	src/rasqal_query_results.c, src/rasqal_rowsource_aggregation.c,
	src/rasqal_rowsource_groupby.c, src/rasqal_rowsource_project.c,
	src/rasqal_variable.c: Use variable name with type to distinguish
	_:foo / ?foo in same query

	(rasqal_query_has_variable2): Added with type arg deprecating
	rasqal_query_has_variable().  Note warning about use of
	RASQAL_VARIABLE_TYPE_UNKNOWN as ambiguous.

	(rasqal_query_has_variable): Deprecated for above. Lookup by any
	type.

	(rasqal_query_set_variable2): Added with type arg deprecating
	rasqal_query_set_variable(). Note warning about use of
	RASQAL_VARIABLE_TYPE_UNKNOWN as ambiguous.

	(rasqal_query_set_variable): Deprecated for above. Lookup by any
	type.

	(rasqal_variables_table_get_by_name): Added with type arg.

	(rasqal_variables_table_has, rasqal_variables_table_set): Internal
	functions for var lookup get type args.

	(rasqal_variables_table_add_variable): pass on type to lookup
	functions.

	(rasqal_query_add_variable): Always lookup a named variable since
	this is projection.

	(rasqal_query_results_get_binding_value_by_name): Get named
	variables since this is in results and thus projected/binding
	named vars.

	(Various unit tests): Lookup named vars.

	Fixes Issue #0000459
	http://bugs.librdf.org/mantis/view.php?id=459

2011-08-11  Nicholas J Humfrey <njh@aelius.com>

	* tests/sparql/bugs/459-result.ttl, tests/sparql/bugs/459.rq,
	tests/sparql/bugs/459.ttl, tests/sparql/bugs/Makefile.am,
	tests/sparql/bugs/manifest.ttl: Added a test for bug number 459 -
	selecting a variable with the same name as a bnode

2011-08-09  Dave Beckett <dave@dajobe.org>

	* src/rasqal_expr_strings.c: Use raptor_unicode_utf8_strlen and
	raptor_unicode_utf8_substr for raptor 2.0.5+

	* src/rasqal_expr_strings.c: Update utf8 strlen call to match code
	in raptor2 GIT HEAD

	* src/rasqal_algebra.c, src/rasqal_engine_algebra.c,
	src/rasqal_internal.h, tests/algebra/convert_graph_pattern.c:
	Split CONSTRUCT projection out of SELECT/projection option

	(rasqal_algebra_query_add_projection): Just do projection, no
	construct or peeking into query structure.

	(rasqal_algebra_query_add_construct_projection): Add a projection
	of all mentioned variables for CONSTRUCT.

	(rasqal_query_engine_algebra_execute_init): Call correct function
	above depending on query verb.

	(convert_graph_pattern main): ditto

2011-08-08  Dave Beckett <dave@dajobe.org>

	* tests/algebra/convert_graph_pattern.c: Update calls to
	rasqal_algebra_query_add_modifiers/projection

	* src/rasqal_query_write.c: Add
	rasqal_query_write_sparql_projection to write a formatted
	projection

	(rasqal_query_write_sparql_projection): Added.

	(rasqal_query_write_sparql_20060406): Use above and fix else if
	sequence for DESCRIBE that probably never worked

	* src/rasqal_algebra.c:
	(rasqal_algebra_query_prepare_aggregates): Use projection for debug
	vars.

	* src/rasqal_algebra.c: Pass projection to
	rasqal_algebra_extract_aggregate_expressions

	(rasqal_algebra_extract_aggregate_expressions): Add projection arg
	and use that to get list of projection variables.  Lose check for
	query verb; the projection should be enough

	(rasqal_algebra_query_prepare_aggregates): Call above with
	projection.

	* src/rasqal_algebra.c:
	(rasqal_algebra_query_add_having): check modifier

	* src/rasqal_algebra.c: docs

	* src/rasqal_algebra.c, src/rasqal_engine_algebra.c,
	src/rasqal_internal.h: When constructing order by, pass in
	modifier arg

	(rasqal_algebra_query_add_modifiers): Add modifier arg.

	(rasqal_query_engine_algebra_execute_init): Call above with
	modifier arg.

	* src/rasqal_algebra.c, src/rasqal_engine_algebra.c,
	src/rasqal_internal.h: When constructing projection algebra node,
	use projection as arg.

	(rasqal_algebra_query_add_projection): Add projection arg.

	(rasqal_query_engine_algebra_execute_init): Call above with query
	projection.

	* src/rasqal_algebra.c, src/rasqal_engine_algebra.c,
	src/rasqal_internal.h: When computing HAVING, use modifier as an
	arg

	(rasqal_algebra_query_add_having): Add modifier arg.

	(rasqal_query_engine_algebra_execute_init): Call above with query
	modifier.

	* src/rasqal_algebra.c, src/rasqal_engine_algebra.c,
	src/rasqal_internal.h: When computing aggregation, use projection
	and modifier as args

	(rasqal_algebra_query_prepare_aggregates): Add projection and
	modifier args.

	(rasqal_query_engine_algebra_execute_init): Declare and set
	projection and modifier vars from query structure.  Call
	rasqal_algebra_query_prepare_aggregates() with those.

	* src/rasqal_algebra.c, src/rasqal_engine_algebra.c,
	src/rasqal_internal.h: Use modifier as arg when transforming
	algebra GROUP BY

	(rasqal_algebra_query_add_group_by): Add modifier arg; do not look
	into query->modifier.

	(rasqal_query_engine_algebra_execute_init): Pass in
	query->modifier.

2011-08-07  Dave Beckett <dave@dajobe.org>

	* utils/check_query.c: options update and help fixes

	* utils/roqet.c: order help so -d/--dump-query list appears after
	option

	* tests/sparql/check-sparql: Attempt at reading CSV and TSV

	* src/rasqal_internal.h, src/rasqal_query.c, src/sparql_parser.y:
	Do not mix query and graph pattern internals

	(rasqal_query_store_select_query): Renamed from
	rasqal_query_store_select_graph_pattern() and just stores args it
	gets from the sparql parser

	(SPARQL ReportFormat): Decode graph pattern fields and pass to
	rasqal_query_store_select_query()

	* src/rasqal_query.c:
	(rasqal_query_store_select_graph_pattern): Approach ok here now

	* src/rasqal_query_transform.c:
	(rasqal_query_expand_wildcards): Do nothing with NULL projection

	* src/rasqal.h.in, src/rasqal_internal.h, src/rasqal_query.c,
	src/rasqal_query_transform.c, src/rasqal_query_write.c,
	src/rdql_parser.y, src/sparql_parser.y: Eliminated query wildcard
	field

	rasqal_query loses wildcard field (now unused12)

	(rasqal_query_set_wildcard): Added public API call

	(rasqal_query_expand_wildcards): Gains a projection arg to use for
	wildcard check.

	(rasqal_query_get_wildcard): returns 0 for no projection.

	(rasqal_query_store_select_graph_pattern): Use projection has
	wildcard flag too.

	(rasqal_query_write_sparql_20060406): Use projection and if not
	NULL, check for distinct and wildcard flags)

	(RDQL SelectClause): Use rasqal_query_set_wildcard

	(rasqal_rdql_query_language_prepare)

	(rasqal_sparql_query_language_prepare): Pass in projection to
	rasqal_query_expand_wildcards.

	* src/rasqal_query_transform.c: kill last selects mentions

	* src/rasqal_query_transform.c:
	(rasqal_query_remove_duplicate_select_vars): Empty selection can
	have no dups.

	* src/rasqal_query_transform.c:
	(rasqal_query_build_variables_use_map): Only check non-empty
	projections.

	* tests/improve: fail if there are no failures except expected
	failures

	* src/rasqal_algebra.c, src/rasqal_internal.h, src/rasqal_query.c,
	src/rasqal_query_transform.c: Removed query selects field

	rasqal_query loses selects and select_variables_count fields.

	(rasqal_free_query): Remove freeing selects sequence.

	(rasqal_query_add_variable): Remove adding to selects sequence.

	(rasqal_query_remove_duplicate_select_vars): Gains projection arg.
	Uses projection variables.

	(rasqal_query_build_variables_use_map): Gains projection arg. Use it
	to call rasqal_query_build_variables_sequence_use_map_row with
	projected variables.

	(rasqal_query_build_variables_use): Gains projection arg.  Use it
	to call rasqal_query_build_variables_use_map().

	(rasqal_query_prepare_common): Use projection to call
	rasqal_query_remove_duplicate_select_vars() and
	rasqal_query_build_variables_use()

	(rasqal_algebra_query_prepare_aggregates): Use projection when
	calling rasqal_query_build_variables_use()

	(rasqal_query_store_select_graph_pattern): Set query projection.
	query->wildcard remains a duplicate for now.

	(rasqal_query_expand_wildcards): Use rasqal_query_add_variable()
	rather than add to selects.

	* src/rasqal_algebra.c:
	(rasqal_algebra_query_add_projection): Use query projection to get
	vars.

	* src/rasqal_algebra.c, src/rasqal_query.c,
	src/rasqal_query_results.c, src/rasqal_query_write.c: Use
	rasqal_query_get_bound_variable_sequence() for more query->selects

	(rasqal_algebra_extract_aggregate_expressions)
	(rasqal_algebra_query_prepare_aggregates)
	(rasqal_algebra_query_add_projection, rasqal_query_print)
	(rasqal_query_results_get_binding_name)
	(rasqal_query_write_sparql_20060406): Use rasqal
	query_get_bound_variable_sequence()

	(rasqal_query_get_bound_variable_sequence): Return projection
	variables.

	* src/rdql_parser.y:
	(RDQL Query): Use rasqal_query_add_variable to form projection.

	* src/rasqal_query.c: Make rasqal_query_add_variable handle empty
	select, vars cases

	(rasqal_query_add_variable): Add variable if missing and add
	query->selects if NULL.

	* src/rasqal_algebra.c, src/rasqal_internal.h, src/rasqal_query.c,
	src/rasqal_query_results.c, src/rasqal_query_write.c,
	src/rasqal_rowsource_sort.c: Replace query distinct field with
	query's projection object distinct

	rasqal_query struct distinct field is now unused9

	(rasqal_query_get_distinct): Get flag from projection object.

	(rasqal_query_set_distinct): Set flag in projection object, creating
	it if it does not exist.

	(rasqal_algebra_query_add_distinct, rasqal_query_print,
	rasqal_query_results_execute_with_engine,
	rasqal_query_write_sparql_20060406, rasqal_sort_rowsource_init):
	Use rasqal_query_get_distinct()

	(rasqal_query_store_select_graph_pattern): Use
	rasqal_query_set_distinct().

	* src/rasqal_query.c:
	(rasqal_query_add_variable): Move var reference taking next to
	sequence

	* src/rasqal_query.c:
	(rasqal_query_add_variable): Add projected var to query projection.

	* src/rasqal_internal.h, src/rasqal_query.c: Add projection field
	to query object

	struct rasqal_query_s gains projection.

	(rasqal_query_get_projection, rasqal_query_set_projection): Added

	* src/rasqal_query.c: Tidy docs to use projected only when it is
	meant it in rasqal_query methods

	(rasqal_query_get_variable, rasqal_query_has_variable): Return all
	variables not just projected.

	* src/rasqal_internal.h, src/rasqal_projection.c:
	(rasqal_projection_add_variable): Added

	* src/rasqal_query.c:
	(rasqal_query_add_variable): Restore adding var to selects

	* src/rasqal_query.c:
	(rasqal_query_add_variable): Use rasqal_variables_table_add_variable

	* src/rasqal.h.in, src/rasqal_variable.c:
	(rasqal_variables_table_add_variable): Added to add an existing
	variable.

	* src/sparql_parser.y:
	%type <graph_pattern> SelectQuery

	* src/rasqal_query.c:
	(rasqal_query_set_variable): Just use rasqal_variables_table_set()

	* src/rasqal_query.c:
	(rasqal_query_get_variable): Remove irrelevant check for
	query->selects

	* src/sparql_parser.y:
	(ReportFormat): Use rasqal_query_store_select_graph_pattern() to
	store away incoming SELECT rasqal_graph_pattern as main query GP.

	(SelectQuery): returns a SELECT rasqal_graph_pattern.  Moved
	storing logic to rasqal_query_store_select_graph_pattern()

	* src/rasqal_internal.h, src/rasqal_query.c: Added
	rasqal_query_store_select_graph_pattern

	(rasqal_query_store_select_graph_pattern): Added to store a select
	graph pattern as the query's top level graph pattern and write all
	the old fields, pull apart projection and gp fields.

	* src/rasqal_internal.h:
	unsigned int distinct flag

	* src/rasqal_graph_pattern.c, src/rasqal_internal.h,
	src/sparql_parser.y: Select graph pattern now can record an
	optional data_graphs rasqal_graph_pattern gains data_graphs_field

	(rasqal_new_select_graph_pattern): Added data_graphs arg.  (SPARQL
	SubSelect): Update to pass in NULL data graph

	* src/rasqal_internal.h: unsigned int for distinct flag in
	rasqal_projection

2011-08-05  Dave Beckett <dave@dajobe.org>

	* src/rasqal_internal.h, src/rasqal_result_formats.c,
	src/rasqal_service.c: Rasqal service can return a read rowsource

	(rasqal_query_results_formatter_get_read_rowsource): Added, pulled
	out of rasqal_service_execute() that returns a rowsource from a
	syntax, managing ownership of the intermediate iostream and data
	via rasqal_new_iostream_from_stringbuffer().

	(rasqal_service_execute): Refactored to call above.

	* src/rasqal_format_rdf.c, src/rasqal_format_sparql_xml.c,
	src/rasqal_internal.h: Enable rowsource factory to own the
	iostream.  rasqal_query_results_get_rowsource_func function
	pointer typedef gains an unsigned int arg Updated all rowsource
	factory implementions of get_rowsource to store flag and if
	present, close the iostream passed in when the rowsource is
	destroyed.

	struct rasqal_rowsource_rdf_context gains flags field.

	(rasqal_query_results_rdf_get_rowsource,
	rasqal_rowsource_rdf_finish): RDF rowsource adds flag arg, closes
	iostr if set on finish.  struct
	rasqal_rowsource_sparql_xml_context gains flags field.

	(rasqal_query_results_get_rowsource_sparql_xml,
	rasqal_rowsource_sparql_xml_finish); SPARQL XML rowsource adds
	flag arg, closes iostr if set on finish.

	* src/Makefile.am, src/rasqal_internal.h, src/rasqal_iostream.c:
	(rasqal_new_iostream_from_stringbuffer): Added

2011-07-31  Dave Beckett <dave@dajobe.org>

	* utils/check_query.c:
	Make help/usage/options string match code

2011-07-31  Dave Beckett <dave@dajobe.org>

	* utils/check_query.c:
	casts

2011-07-31  Dave Beckett <dave@dajobe.org>

	* src/rasqal_algebra.c, src/rasqal_bindings.c,
	src/rasqal_data_graph.c, src/rasqal_dataset.c,
	src/rasqal_datetime.c, src/rasqal_decimal.c,
	src/rasqal_engine_sort.c, src/rasqal_expr.c,
	src/rasqal_expr_datetimes.c, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_numerics.c, src/rasqal_expr_strings.c,
	src/rasqal_format_rdf.c, src/rasqal_format_sparql_xml.c,
	src/rasqal_format_table.c, src/rasqal_formula.c,
	src/rasqal_general.c, src/rasqal_graph.c,
	src/rasqal_graph_pattern.c, src/rasqal_internal.h,
	src/rasqal_literal.c, src/rasqal_map.c, src/rasqal_prefix.c,
	src/rasqal_projection.c, src/rasqal_query.c,
	src/rasqal_query_results.c, src/rasqal_query_test.c,
	src/rasqal_query_transform.c, src/rasqal_raptor.c,
	src/rasqal_result_formats.c, src/rasqal_row.c,
	src/rasqal_row_compatible.c, src/rasqal_rowsource.c,
	src/rasqal_rowsource_aggregation.c,
	src/rasqal_rowsource_assignment.c, src/rasqal_rowsource_distinct.c,
	src/rasqal_rowsource_empty.c, src/rasqal_rowsource_filter.c,
	src/rasqal_rowsource_graph.c, src/rasqal_rowsource_groupby.c,
	src/rasqal_rowsource_having.c, src/rasqal_rowsource_join.c,
	src/rasqal_rowsource_project.c, src/rasqal_rowsource_rowsequence.c,
	src/rasqal_rowsource_sort.c, src/rasqal_rowsource_triples.c,
	src/rasqal_rowsource_union.c, src/rasqal_service.c,
	src/rasqal_solution_modifier.c, src/rasqal_triple.c,
	src/rasqal_triples_source.c, src/rasqal_update.c,
	src/rasqal_variable.c, src/rasqal_xsd_datatypes.c,
	src/rdql_lexer.l, src/rdql_parser.y, src/sparql_lexer.l,
	src/sparql_parser.y, src/timegm.c,
	tests/engine/rasqal_construct_test.c,
	tests/engine/rasqal_limit_test.c, tests/engine/rasqal_order_test.c:
	Code style change and cleanup for alloc/free macros Code style:   1. var = RASQAL_CALLOC(type, nmem, size)   Prefering:     var = RASQAL_CALLOC(type, 1, sizeof(*var))   when nmem = 1   2. var = RASQAL_CALLOC(type, size)   3. RASQAL_FREE(type, var) The consequence here is allocs that mostly fit into 1 line without
	so much boilerplate and duplication of types.  The RASQAL_MALLOC and RASQAL_CALLOC now do the cast to the return
	type.  RASQAL_FREE takes the object type too but always casts arg to void
	This certainly contains many wrong types to the arg but might be
	used later in some kind of smart type-aware debugging allocator.

2011-07-30  Dave Beckett <dave@dajobe.org>

	* src/rasqal_service.c:
	code style: len = strlen(); malloc(..., len+1) and memcmp(..., len+1)

	* src/rasqal_raptor.c:
	(raptor_statement_as_rasqal_triple): Use raptor blank and literal
	length fields

	* src/rasqal_row.c:
	(rasqal_new_row_sequence): Handle long ints

	* src/rasqal_literal.c:
	(rasqal_new_literal_sequence_of_sequence_from_data): Handle long
	ints

2011-07-28  Dave Beckett <dave@dajobe.org>

	* src/rasqal_datetime.c:
	(rasqal_xsd_datetime_to_counted_string): size_t for strlen result

	* src/rasqal_datetime.c:
	(rasqal_xsd_datetime_parse): Cast small ptr diffs to unsigned int.

	* src/rasqal_format_sparql_xml.c:
	(rasqal_rowsource_sparql_xml_process): Do not bother with locator
	byte.

	* src/rasqal_decimal.c:
	(rasqal_xsd_decimal_abs): use fabs for decimal as double

	* src/rasqal_literal.c:
	(rasqal_literal_sequence_sort_map_compare): Use ptrdiff_t for ptr
	arithmetic and then convert to int.

	* configure.ac: Look for stddef.h

	* src/rasqal_internal.h, src/rasqal_literal.c:
	(rasqal_literal_as_floating): Added internal method.

	* src/rasqal_expr_strings.c: Use rasqal_unicode_utf8_substr return

	(rasqal_unicode_utf8_substr): Document return value 0 is failure..
	(rasqal_expression_evaluate_substr): Check for 0.

	* src/rasqal_general.c:
	(rasqal_world_default_generate_bnodeid_handler): size_t length

	* src/rasqal.h.in:
	Add RASQAL_API for rasqal_row functions (Win32)

2011-07-27  Dave Beckett <dave@dajobe.org>

	* docs/tmpl/section-literal.sgml, docs/tmpl/section-xsd.sgml:
	update tmpls

	* docs/rasqal-changes.tsv, docs/rasqal-sections.txt: Docs for
	rasqal_new_numeric_literal_from_long and
	rasqal_xsd_decimal_get_long

2011-07-26  Dave Beckett <dave@dajobe.org>

	* src/rasqal_xsd_datatypes.c:
	(rasqal_xsd_format_float): Use unsigned int for offsets not lengths.

	* src/sparql_parser.y:
	(main): use size_t read_len

	* src/rasqal_rowsource_aggregation.c:
	(make_test_expr): Cast for c++

	* src/rasqal_rowsource_groupby.c:
	(main): Cast for c++

	* src/rasqal_literal.c:
	(rasqal_new_numeric_literal): return int if it will fit, otherwise
	decimal.

	* src/rasqal_literal.c: Cast when assigning to unsigned int
	string_len

	* src/rasqal_rowsource.c:
	(rasqal_rowsource_write_internal): use unsigned int for
	indent_delta.

	* src/rasqal_raptor.c: rasqal_raptor_triples_source_user_data: use
	size_t for mapped_id_base_len

	* src/rasqal_internal.h: struct rasqal_query_s uses size_t for
	query_string_length

	* src/rasqal_format_html.c:
	(rasqal_query_results_write_html_bindings): Use size_t len

	* src/rasqal_query.c:
	(rasqal_query_prepare, rasqal_query_get_genid): use size_t for
	lengths

	* src/rasqal_digest.c:
	(rasqal_digest_buffer): Cast mhash arg calls/return sizes

	* src/rasqal_random.c:
	(rasqal_random_get_system_seed): Casts from time_t to uint32_t

	* src/sparql_parser.y:
	(PrefixDeclListOpt): cast prefix length; will fit into an int.

	* src/rasqal_format_table.c: Use size_t for string lengths and
	column widths

	(rasqal_iostream_write_counted_string_padded)
	(rasqal_query_results_write_table_bindings): Replace several int
	with size_t for string length computations.

	* configure.ac: No -Wundef

	* src/rasqal_query_transform.c:
	(rasqal_query_print_triples_use_map): fix chars array for c++

	* src/rasqal_algebra.c, src/rasqal_engine_algebra.c,
	src/rasqal_internal.h: Eliminate a strlen() from
	rasqal_algebra_algebra_node_write_internal

	(rasqal_algebra_node_operator_as_counted_string): Added to replace
	rasqal_algebra_node_operator_as_string and return length.

	(rasqal_algebra_algebra_node_write_internal): Use above.  Replace
	other calls.

	* src/rasqal_decimal.c:
	(rasqal_xsd_decimal_get_long): for mpfr

	* src/rasqal_literal.c:
	(rasqal_literal_as_floating): Call rasqal_literal_as_floating()
	inside.

	* src/rasqal_literal.c: make rasqal_xsd_decimal_get_long handle
	overflow in decimal conversion.

	(rasqal_literal_as_integer): Use rasqal_xsd_decimal_get_long() and
	set error on overflow.

	* src/rasqal.h.in, src/rasqal_decimal.c:
	(rasqal_xsd_decimal_get_long): Added to convert decimal to long with
	overflow error flag

	* src/rasqal_internal.h, src/rasqal_raptor.c:
	(rasqal_raptor_triple_match): parts arg is now unsigned int as xor
	of #rasqal_triple_parts enum bits

	* configure.ac:
	Are using -Wmissing-noreturn

	* configure.ac:
	No -Wfloat-equal

	* utils/roqet.c:
	reduce stack size

	* src/sparql_parser.y:
	(sparql_parse): remove unused bufer var

	* utils/roqet.c: Test stdin fread value.

	* utils/roqet.c: Query string is now unsigned char*

	(main): Casts for C++ and use fread() result as size_t

	* src/rasqal.h.in, src/rasqal_service.c:
	(rasqal_new_service): query_string arg now unsigned char*

	* src/rdql_parser.y:
	(rdql_parse): remove unused bufer var

	* src/rasqal_dataset.c: rasqal_dataset_term_iterator_s field parts
	is unsigned int not enum.

	* src/rasqal_datetime.c: Casts for C++ in rasqal_xsd_datetime
	module

	(rasqal_xsd_datetime_get_as_timeval)
	(rasqal_xsd_datetime_get_timezone_as_counted_string): Casts of
	malloc returns for C++

	* src/rasqal_query.c:
	(rasqal_query_variable_bound_in_triple): Cast for C++ (when
	RASQAL_DEBUG)

	* src/rdql_lexer.l:
	(rdql_lexer_fatal_error): Mark as RASQAL_NORETURN

	* src/rasqal_internal.h:
	Added RASQAL_NORETURN macro

	* src/rasqal_expr_strings.c:
	(rasqal_unicode_utf8_substr): Alter arg src_length to a size_t -
	internal.

	* src/rasqal_expr_strings.c:
	(rasqal_expression_evaluate_strlen): Use
	rasqal_new_numeric_literal_from_long()

	* src/rasqal_expr_numerics.c:
	(rasqal_expression_evaluate_rand): Force double arithmetic a better
	way.

	* src/rasqal_expr_datetimes.c: Do not try to fit a potentially
	truncate a long int time_t into an int.

	(rasqal_expression_evaluate_to_unixtime): Use
	rasqal_new_numeric_literal_from_long() to avoid potential int
	range truncation.

	* src/rasqal.h.in, src/rasqal_literal.c:
	(rasqal_new_numeric_literal_from_long): Added to make an integer or
	decimal literal depending if it fits in range

	* src/rasqal_algebra.c:
	(rasqal_algebra_algebra_node_write_internal): Use unsigned int
	indent.

	* src/rasqal_algebra.c, src/rasqal_bindings.c,
	src/rasqal_data_graph.c, src/rasqal_general.c,
	src/rasqal_literal.c, src/rasqal_query_write.c,
	src/rasqal_rowsource.c, src/rasqal_service.c, src/sparql_parser.y:
	Casts for C++

	* configure.ac: Update compiler warnings like Raptor 2.0.4

2011-07-14  Dave Beckett <dave@dajobe.org>

	* src/rasqal_literal.c, src/rasqal_query_write.c: Handle returning
	xsd:integer subtypes

	(rasqal_literal_set_typed_value): Call
	rasqal_xsd_datatype_type_to_uri only for atomic XSD types.

	(rasqal_literal_as_node): Call rasqal_xsd_datatype_type_to_uri only
	for atomic XSD types.  Otherwise use the datatype from the source
	literal.

	(rasqal_query_write_sparql_literal): Handle writing non atomic XSD
	types such as integer subtypes.

	Fixes Issue #0000454
	http://bugs.librdf.org/mantis/view.php?id=454

2011-07-09  Dave Beckett <dave@dajobe.org>

	* src/sparql_parser.y:
	Handle SILENT for SERVICE.

	* src/rasqal_graph_pattern.c, src/rasqal_internal.h,
	src/rasqal_query_transform.c: Add silent flag to graph pattern
	rasqal_graph_pattern gains silent bit field.
	(rasqal_graph_patterns_join): Copy silent flag.
	(rasqal_graph_pattern_write_internal): Print silent flag.

	* src/sparql_parser.y:
	(ClearQuery, DropQuery): Handle NULL graph URI for default graph

2011-06-28  Dave Beckett <dave@dajobe.org>

	* configure.ac: Always check for where ceil(), floor() and round()
	can be found.

	* NEWS.html, RELEASE.html, configure.ac: Bumped version to 0.9.27

2011-06-27  Dave Beckett  <dave@dajobe.org>

	* Snapshotted rasqal_0_9_26 for 0.9.26 release (GIT
	44f4b1d74abe6c741e9a9c4bc8465921d7b3691f)

	* src/rasqal_format_rdf.c: Fix a bunch of lost term objects for
	'rdfxml' formatter.

	* src/rasqal_format_rdf.c:
	(rasqal_rowsource_rdf_process): Fix leak of variable.

	* src/rasqal_format_sparql_xml.c:
	(rasqal_sparql_xml_sax2_start_element_handler): Fix leak of
	variable.

	* src/rasqal_service.c:
	(rasqal_service_content_type_handler): Handle getting multiple
	Content-Type:s

	* src/rasqal_query_results.c:
	(rasqal_query_results_get_count): Handle no query

	* NEWS.html, RELEASE.html: 0.9.26

	* src/rasqal_query_transform.c:
	(rasqal_graph_pattern_tree_binds_variable,
	rasqal_graph_pattern_binds_variable): Removed unused functions

2011-06-26  Dave Beckett <dave@dajobe.org>

	* tests/sparql/check-sparql: Handle var=xsdstring(val) roqet
	output

	* src/rasqal_query_transform.c:
	(rasqal_query_union_build_variables_use_map_binds): Restore outer
	var scope each time.

	* tests/sparql/warnings/Makefile.am: data is empty.nt

	* src/rasqal_query_transform.c:
	(rasqal_query_triples_build_variables_use_map_binds): Recalculate
	triple BGP after selecting variables to bind

	* tests/sparql/warnings/Makefile.am,
	tests/sparql/warnings/warning-4.rq: Remove unsupported check for
	multiple FROM

	* tests/improve: count expected fails

	* tests/improve: Handle countiing expecting failures

	* tests/sparql/examples/Makefile.am:
	sparql-query-example-Testing-Values-bound (UNION) passes

	* tests/sparql/survey/Makefile.am: test survey-3 UNION passes

	* src/rasqal_query_transform.c: Calculate binds for BGPs correctly

	(rasqal_query_triples_build_variables_use_map_binds); Bind s/p/o/g
	if bit flag set not when ONLY that bit set.  Update row to mark
	bound here.

	* src/rasqal_query_transform.c:
	(rasqal_query_build_variables_use_map): Do not turn any SELECTed
	variables that are never mentioned into binds

	* src/rasqal_internal.h, src/rasqal_query_transform.c: Made
	selecting an unbound a serious warning

	(RDQL, SPARQL 1.0 require not-error) Added internal
	RASQAL_WARNING_LEVEL_SELECTED_NEVER_BOUND warning level.

	* configure.ac, tests/sparql/Makefile.am,
	tests/sparql/warnings/Makefile.am, tests/sparql/warnings/empty.nt,
	tests/sparql/warnings/manifest.ttl,
	tests/sparql/warnings/warning-1.rq,
	tests/sparql/warnings/warning-2.rq,
	tests/sparql/warnings/warning-3.rq,
	tests/sparql/warnings/warning-4.rq: Add warnings tests

	* src/rasqal_general.c:
	(rasqal_log_warning_simple): Invert test again

2011-06-23  Lauri Aalto <laalto@iki.fi>

	* src/rasqal_query_transform.c: const qualified for const data

2011-06-22  Lauri Aalto <laalto@iki.fi>

	* src/rasqal_general.c: #docs

2011-06-20  Dave Beckett <dave@dajobe.org>

	* tests/sparql/check-sparql: Add -W/--warnings option to set
	warning level (default none: 0)

	* tests/sparql/check-sparql: Use perl to find any core dumps in
	output portably.

	* configure.ac: Really remove --with-redland-config and
	--with-redland from configure

2011-06-18  Dave Beckett <dave@dajobe.org>

	* src/rasqal_algebra.c: nl

	* src/rasqal_query_transform.c:
	Expand sub-SELECT * to variables

	(rasqal_graph_pattern_mentions_variable): Added

	(rasqal_graph_pattern_tree_mentions_variable): Added using above
	to return if a GP tree mentions a variable

	(rasqal_query_select_build_variables_use_map): Expand sub-SELECT *
	into list of variables during use_map walk.

	* src/rasqal_query_transform.c:
	(rasqal_graph_patterns_join): Handle select GP merging

	* src/rasqal_graph_pattern.c:
	(rasqal_graph_pattern_write_internal): Handle sub-SELECT *

	* src/rasqal_query_transform.c:
	(rasqal_query_select_build_variables_use_map): Do not scan sub-GPs

	* tests/sparql/check-sparql:
	look for core dump

2011-06-17  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query_transform.c:
	(rasqal_graph_pattern_promote_variable_mention_to_bind): Add bind
	flag Should stop some of the unused variable warnings.

2011-06-16  Dave Beckett <dave@dajobe.org>

	* src/rasqal_variable.c:
	(main): use rc [clang]

	* src/rasqal_query_transform.c:
	(rasqal_query_triples_build_variables_use_map_binds): Remove
	unused gp_offset var.

	* src/rasqal_query_transform.c:
	(rasqal_query_triples_build_variables_use_map_binds): Remove
	unused row var.

	* src/rasqal_graph_pattern.c, src/rasqal_internal.h,
	src/rasqal_query.c, src/rasqal_query_transform.c,
	src/rasqal_rowsource_triples.c: Replace triples bound_in with more
	accurate triples_use_map

	Removes assumption that a variable can be only bound in one triple.

	struct rasqal_query: array triples_use_map replaces variables_bound_in

	(rasqal_graph_pattern_variable_bound_in): Use the variables_use_map
	to calculate result.

	(rasqal_free_query): Free triples_use_map replacing
	variables_bound_in.

	(rasqal_query_variable_is_bound): Added to partially replace
	rasqal_graph_pattern_variable_bound_in().

	(rasqal_query_variable_bound_in_triple): Added to replace rest of
	rasqal_query_get_bound_in_column_for_variable.

	(rasqal_query_get_bound_in_column_for_variable): Deleted

	(rasqal_query_graph_pattern_bgp_build_bound_in): Deleted

	(rasqal_query_graph_pattern_build_bound_in): Deleted

	(rasqal_query_build_bound_in_triples): Deleted.

	(rasqal_query_check_unused_variables): Use
	rasqal_query_variable_is_bound() and simplify.

	(rasqal_query_build_variables_use): Remove call to deleted
	rasqal_query_build_bound_in_triples().

	(rasqal_query_graph_build_variables_use_map): Added to build
	variables use in a GRAPH GP.

	(rasqal_query_select_build_variables_use_map): Add width and gp
	args.  (rasqal_query_graph_pattern_build_variables_use_map): Call
	above for GRAPH GP.  Update call to
	rasqal_query_select_build_variables_use_map() for changed args.

	(rasqal_graph_pattern_mentions_variable): Deleted

	(rasqal_graph_pattern_promote_variable_mention_to_bind): Add
	vars_scope arg and use it to test and set scope flag.

	(rasqal_query_triples_build_variables_use_map_binds): Added to
	mark variables bound in a triple/basic GP.  Rewrote body to use
	scope and calculate mention, use and handle cases where a triple
	pattern binds the same variable more than 1 time.

	(rasqal_query_triples_build_variables_use_map_binds): Added to
	bind variables for triples/basic GP.

	(rasqal_query_graph_pattern_build_variables_use_map_binds): Added
	pulled out of older
	rasqal_query_build_variables_use_map_binds. Use
	rasqal_query_triples_build_variables_use_map_binds() and
	rasqal_query_union_build_variables_use_map_binds().  Bind sub
	graph patterns after doing variables at head (such as UNION) so
	that binding is in query document order.

	(rasqal_query_build_variables_use_map_binds): Added to wrap
	rasqal_query_graph_pattern_build_variables_use_map_binds().

	(rasqal_query_print_triples_use_map): Added debug function to
	print triples variable use map.

	(rasqal_query_build_variables_use_map): Allocate triples_use_map.
	Use rasqal_query_build_variables_use_map_binds().  Print triples
	use map after binding is done.

	(rasqal_query_graph_build_variables_use_map_binds): Make bound
	variables in GRAPH gp.

	(rasqal_query_let_build_variables_use_map_binds): Add vars_scope
	args.

	(rasqal_query_select_build_variables_use_map): Add width and gp
	args.

	(rasqal_query_select_build_variables_use_map_binds): Added to bind
	sub-SELECT patterns using an inner scope.  Mark projected
	variables into outer scope.

	(rasqal_query_union_build_variables_use_map_binds0: Added to bind
	UNION patterns with inner scopes for each sub-graph pattern.

	* src/rasqal_algebra.c, src/rasqal_internal.h)
	(src/rasqal_query_transform.c: Switch short maps to unsigned short
	maps

	* src/rasqal_algebra.c, src/rasqal_internal.h)
	(src/rasqal_query_transform.c: Switch short maps to unsigned short
	maps

	* src/rasqal_query_transform.c: Build variable scoping in two pass
	USE and BIND scans

	Remove all binding code from the rasqal_query_graph*_use_map
	functions.

	Add new binding marking approach; pass down an array of in-scope
	variables in current context and mark first variable unseen as
	binding it.  UNION and sub-SELECT introduce new scopes.

	FIXME: bound_in code still does a separate and wrong calculation
	that assumes a variable can only be bound in one GP; that is no
	longer true and never has been as long as UNION existed.

	(rasqal_query_graph_build_variables_use_map): Added to mark
	variables mentioned in GRAPH GP (zero one one)

	(rasqal_query_graph_pattern_build_variables_use_map): Call above
	for GRAPH gp and adjust call to
	rasqal_query_select_build_variables_use_map().

	(rasqal_graph_pattern_promote_variable_mention_to_bind): Add
	vars_scope param to know when to bind; does nothing if variable
	passed in is already bound in scope.

	(rasqal_query_graph_pattern_build_variables_use_map_binds): Added
	based on older rasqal_query_build_variables_use_map_binds() to
	perform the binding approach as above moving most code into per-GP
	type functions.  Move binding sub graph patterns to AFTER binding
	variables in the GP itself; so GRAPH ?var etc. works.

	(rasqal_query_build_variables_use_map_binds): Made a skeleton
	around above function.

	(rasqal_query_build_variables_use_map): Call
	rasqal_query_build_variables_use_map_binds().

	(rasqal_query_graph_build_variables_use_map_binds): Use vars
	scope.

	(rasqal_query_let_build_variables_use_map): Use vars scope.

	(rasqal_query_select_build_variables_use_map): Scan
	selected / projected variables for mentions.

	(rasqal_query_select_build_variables_use_map_binds): Added to use
	vars scope, make an inner scope for the sub-SELECT and mark
	project variables for binding if unbound in outer scope.

	(rasqal_query_union_build_variables_use_map_binds): Added to use
	vars scope and and make a new scope for each sub-UNION GP tree.

2011-06-14  Dave Beckett <dave@dajobe.org>

	* configure.ac: Add --enable-debug option like raptor has

	* src/rasqal_query_transform.c: Lose the .

2011-06-11  Dave Beckett <dave@dajobe.org>

	* docs/tmpl/section-general.sgml, docs/tmpl/section-unused.sgml:
	Update tmpls

	* docs/rasqal-sections.txt: Add support_feature to unused section.

	* src/rasqal_general.c: autodocs

	* INSTALL.html, configure.ac, src/rasqal_general.c,
	src/rasqal_redland.c: Remove redland triples store that has not
	worked for some time.

	configure: Remove --with-triples-source and --with-redland-config
	options

	Removed src/rasqal_redland.c module.

	* src/rasqal_raptor.c: Allow no data graphs in the query

	* src/rasqal_general.c, src/rasqal_internal.h, src/rdql_parser.y,
	src/sparql_parser.y: Adjust warning levels so 50 does not warn
	strict.  Invert tests so that 0 does nothing

	* docs/rasqal-changes.tsv, docs/rasqal-sections.txt,
	src/rasqal.h.in, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_strings.c, src/rasqal_general.c,
	src/rasqal_internal.h, src/rasqal_query_results.c,
	src/rasqal_query_transform.c, src/rasqal_service.c,
	src/rdql_parser.y, src/sparql_parser.y, tests/sparql/check-sparql,
	utils/getopt.c, utils/roqet.1, utils/roqet.c: Add
	rasqal_world_set_warning_level() and use with roqet -W LEVEL

	(rasqal_world_set_warning_level): Added to set warning level in
	0...100 range where 0 is no warnings, 50 is the default and 100 is
	all warnings.

	roqet gains a -W LEVEL argument check-sparql: use roqet -W 0

2011-06-06  Dave Beckett <dave@dajobe.org>

	* configure.ac, src/Makefile.am, src/rasqal_datetime.c,
	src/rasqal_internal.h, src/timegm.c: Add portable version of
	timegm when not present

	Fixes Issue#0000438
	http://bugs.librdf.org/mantis/view.php?id=438

2011-06-05  Dave Beckett <dave@dajobe.org>

	* src/rasqal_xsd_datatypes.c: Check for int overflow in strtol()
	and turn into a decimal.

	(rasqal_xsd_check_integer_format): Check for overflow when checking
	string and return failure for integers that are too large.

	* src/rasqal_literal.c: Check for int overflow in strtol() and
	turn into a decimal.

	(rasqal_literal_set_typed_value): Check for overflow when
	converting a string to int and if resulting long won't fit in an
	int, turn it into a decimal.

	Fixes Issue#0000436
	http://bugs.librdf.org/mantis/view.php?id=436

	* configure.ac: Check for limits.h and error.h

	* configure.ac:
	Add cross-compile case to AC_RUN_IFELSE

	* configure.ac:

	* configure.ac: Use AC_RUN_IFELSE to actually run ceil, floor,
	round test

	* configure.ac: Add tests for ceil, floor and round that look in
	libc or libm

	Fixes Issue#0000446
	http://bugs.librdf.org/mantis/view.php?id=446

	* src/rasqal_service.c: warning text

2011-06-04  Dave Beckett <dave@dajobe.org>

	* tests/sparql/check-sparql: skip both types of
	UpdateEvaluationTest

	* tests/sparql/check-sparql: Ignore update tests

	* utils/roqet.c: tidy help

	* utils/roqet.1: Document -W and -E

2011-06-03  Nicholas J Humfrey <njh@aelius.com>

	* Added -W and -E command line options to ignore warning and
	errors respectively.

	Made the roqet error log handling behave more like rapper.

2011-05-24  Dave Beckett <dave@dajobe.org>

	* docs/Makefile.am: Remove README from CLEANFILES.

2011-05-22  Dave Beckett <dave@dajobe.org>

	* docs/Makefile.am: Restore README to CLEANFILES after
	f1749351cb30de99efc6c0f0819c1a4a7da8b6f0

	* src/rasqal_literal.c:
	Fix rasqal_literal_string_compare [CLANG]

	(rasqal_literal_string_compare): Simplyify calling convention; no
	need to ever return incomparable.  Adjust logic to match
	raptor_term_compare() order.

	(rasqal_literal_compare): Protect error_p assignment [CLANG] Call
	rasqal_literal_string_compare to get result - no error arg.

	* src/rasqal_literal.c: Fix rasqal_literal_array_compare with
	NULLs. [CLANG]

	(rasqal_literal_array_compare): Remove duplicate NULL compare code
	and return NULL literal results earlier.

	* src/rasqal_literal.c: Fix rasqal_literal_sequence_compare
	literal NULL case [CLANG]

	(rasqal_literal_sequence_compare): calculate equality result earlier
	if both are NULL literals in the sequence.

	* src/rasqal_literal.c: Fix rasqal_literal_equals_flags with
	RASQAL_LITERAL_VARIABLE [CLANG]

	(rasqal_literal_equals_flags): In RASQAL_LITERAL_VARIABLE case,
	break case when result is calculated rather than fallthrough.
	This can never have worked; this case may have always been handled
	before calling this internal function.

	* src/rasqal_xsd_datatypes.c: Fixes [CLANG]

	(rasqal_xsd_check_double_format, rasqal_xsd_check_float_format)
	(rasqal_xsd_check_integer_format): Cast unused results to void and
	remove assignment to unused vars.

	* src/rasqal_rowsource_triples.c:
	(rasqal_triples_rowsource_init): Remove unused 'con' var [CLANG]

	* src/rasqal_rowsource_project.c:
	(rasqal_project_rowsource_init): Remove unused 'con' var [CLANG]

	* src/rasqal_rowsource_having.c:
	(rasqal_having_rowsource_init): Remove unused 'con' var [CLANG]

	* src/rasqal_rowsource_filter.c:
	(rasqal_filter_rowsource_init): Remove unused 'con' var [CLANG]

	* src/rasqal_random.c:
	Fixes [CLANG]

	(rasqal_random_get_system_seed): Removed un-necessary final
	variable calculations and assignments that never get used

	* src/rasqal_query_transform.c:
	Fixes [CLANG]

	(rasqal_query_graph_pattern_build_variables_use_map_binds): Remove
	bad error freeing of 'var_is_bound' array that is never allocated
	before this point.

	* src/rasqal_query_results.c: Fixes [CLANG]

	(rasqal_query_results_execute_and_store_results): Remove unused
	'query' var

	* src/rasqal_format_table.c:
	(rasqal_query_results_write_table_bindings): Return rc [CLANG]

	* src/rasqal_digest_sha1.c: Fixes [CLANG]

	(SHA1Transform): Removed useless zeroing out locals at end of
	scope (SHA1Final): Removed usless assignment to i

	* src/rasqal_algebra.c: Fixes [CLANG]

	(rasqal_algebra_algebra_node_write_internal): Remove useless final
	arg_count++

	(rasqal_algebra_query_to_algebra)
	(rasqal_algebra_query_prepare_aggregates)
	(rasqal_algebra_query_add_group_by)
	(rasqal_algebra_query_add_modifiers)
	(rasqal_algebra_query_add_aggregation)
	(rasqal_algebra_query_add_projection)
	(rasqal_algebra_query_add_distinct)
	(rasqal_algebra_query_add_having): Removed useless 'modified'
	variable that always has the same value in the debug message.

	* src/Makefile.am: Add analyze target for maintainer to run clang
	on sources

	* src/.gitignore: Ignore clang .plist files

2011-05-20  Dave Beckett <dave@dajobe.org>

	* src/sparql_lexer.l: Do not report failure twice for
	sparql_copy_name

	(sparql_copy_name, sparql_copy_qname): Report failure to decode
	once and end

	* utils/roqet.c:
	(roqet_log_handler): Handle output with no locator nicer

	* src/rasqal_general.c:
	(rasqal_world_set_log_handler): Set raptor log handler too.

2011-05-19  Dave Beckett <dave@dajobe.org>

	* src/sparql_lexer.l: Make lexing failing a regular error, not
	fatal with abort().

	Adjust flex error returns as much as possible to return a regular
	log error event and setjmp / longjmp to start of lexing.

	(sparql_lexer_log_error): Renamed from sparql_lexer_fatal_error
	and takes a log level.  Use YY_FATAL_ERROR_EOF in lexing failures
	to return an error and then yyterminate() the lexing.  No abort.
	That mostly leaves fatal errors in out of memory situations or
	when the lexer is jammed.  Hard to fix futrher without
	post-processing the flex generated C.

2011-05-14  Nicholas J Humfrey <njh@aelius.com>

	* src/rasqal_format_json.c: Added the
	'application/sparql-results+json' mime type, as specified in
	http://www.w3.org/TR/rdf-sparql-json-res/

2011-04-15  Nicholas J Humfrey <njh@aelius.com>

	* docs/Makefile.am: Moved rasqal-fake.i from CLEANFILES to
	DISTCLEANFILES.

2011-04-06  Dave Beckett <dave@dajobe.org>

	* docs/tmpl/section-xsd.sgml: datetime and decimal

2011-03-13  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query_transform.c: Fix mention / bind walking to
	handle single triple BGPs that are not in a Group GP

	(rasqal_query_graph_pattern_build_variables_use_map_binds): Split
	recursive walk and walk to bind vars.  Use utility functions to
	make code more readable.  Rename 'seen' to 'var_is_bound' to match
	the variable use.  On second round of binding if the query graph
	pattern is a BGP, bind the variables now.

	(rasqal_query_build_variables_use_map): After calculating map, if
	there are variables SELECTEd but never bound, mark them as bound
	in the verb so that no error is reported.

2011-03-13  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query_transform.c:
	(rasqal_graph_pattern_promote_variable_mention_to_bind): Added
	utility function to turn a mention into a bind.

	* src/rasqal_query_transform.c: Add utility functions to test var
	bound / mentioned in GP tree

	(rasqal_graph_pattern_binds_variable)
	(rasqal_graph_pattern_mentions_variable): Added to test if a
	variable is bound/mentioned in this GP, not any sub-GP

	(rasqal_graph_pattern_tree_binds_variable): Added to test if a
	variable is bound in this GP or any lower sub-GP.

	* src/rasqal_query_transform.c: Split variable mention and binding
	marking into 2 steps

	(rasqal_query_graph_pattern_build_variables_use_map): Remove
	binding marking.

	(rasqal_query_graph_pattern_build_variables_use_map_binds): Added,
	doing recording of variables that bind.  For basic graph patterns
	(BGPs), do that work in the group that surrounds them, which
	leaves just single BGPs to do.

	(rasqal_query_build_variables_use_map): Call
	rasqal_query_graph_pattern_build_variables_use_map_binds() after
	rasqal_query_graph_pattern_build_variables_use_map().

	(rasqal_query_graph_build_variables_use_map_binds): Renamed from
	rasqal_query_graph_build_variables_use_map_in_internal.

	(rasqal_query_let_build_variables_use_map): Renamed from
	rasqal_query_let_build_variables_use_map_in_internal.

	(rasqal_query_let_build_variables_use_map_binds): Added to do
	binding for LET/BIND GPs.

	(rasqal_query_select_build_variables_use_map): Renamed from
	rasqal_query_select_build_variables_use_map_in_internal.

	* src/rasqal_query_transform.c:
	(rasqal_query_build_variables_use): Return number of errors

2011-03-12  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query_transform.c: Use query->variables_use_map to
	find unused, unbound or both vars.

	(rasqal_query_build_variable_agg_use): Added.

	(rasqal_query_build_variables_use): Call above and walk returned
	list to find variables that are bound+not used, used and not bound
	or neither used nor bound which is probably a parsing error.

2011-03-08  Lauri Aalto <laalto@iki.fi>

	* src/rasqal_format_html.c:
	(rasqal_iostream_write_html_literal): Support writing additional
	literal types.
	Fixes issue #0000431
	http://bugs.librdf.org/mantis/view.php?id=431

2011-03-08  Lauri Aalto <laalto@iki.fi>

	* src/rasqal_format_html.c:
	(rasqal_iostream_write_html_literal): Fixed incorrect HTML
	generated with unknown literal types.
	Fixes Issue #0000430
	http://bugs.librdf.org/mantis/view.php?id=430

2011-03-05  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query_transform.c:
	(rasqal_query_triples_build_variables_use_map_row): Set
	RASQAL_VAR_USE_MENTIONED_HERE to make tests work.

2011-03-03  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query_transform.c:
	(rasqal_query_print_variables_use_map): Tidy formatting

	* src/rasqal_query_transform.c: Generate bind flags for triple
	pattern in query variables use-map

	(rasqal_query_triples_build_variables_use_map_row): Set bound or
	mentioned for variables for this triple pattern.

	* src/rasqal_internal.h, src/rasqal_query.c,
	src/rasqal_query_transform.c: Tidy query transforming code
	building "bound-in-triple" array.

	(rasqal_query_variable_bound_in_triple): Removed, unused

	(rasqal_query_check_unused_variables): Use
	rasqal_query_get_bound_in_column_for_variable() instead of
	accessing query fields.

	(rasqal_query_build_bound_in_triples): Renamed from
	rasqal_query_build_bound_in

	* src/rasqal_query_transform.c:
	(rasqal_query_graph_pattern_bgp_build_bound_in): renamed from
	rasqal_query_triples_build_bound_in_internal

	* src/rasqal_internal.h, src/rasqal_query_transform.c:
	(rasqal_query_triples_build_bound_in): Removed, unused

2011-03-02  Dave Beckett <dave@dajobe.org>

	* utils/srxread.c:
	report error with failure to read format

2011-03-01  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query.c, src/rasqal_query_transform.c: Remove unused,
	undefined RASQAL_NO_GP_MERGE

2011-02-28  Dave Beckett <dave@dajobe.org>

	* src/rasqal_digest.c: Include mhash.h unconditionally for
	RASQAL_DIGEST_MHASH

2011-02-28  Lauri Aalto <laalto@iki.fi>

	* src/rasqal_digest.c:
	(rasqal_digest_buffer): Fixed integer conversion warning

2011-02-28  Nicholas J Humfrey <njh@aelius.com>

	* src/rasqal_format_html.c: Corrected incorrect string length in
	rasqal_iostream_write_html_literal() that was causing it to
	generate invalid HTML.

2011-02-27  Dave Beckett <dave@dajobe.org>

	* utils/roqet.c: Remove internal -g/ --engine NAME for selecting
	query engine

	* scripts/process-changes.pl: caps names can have 0-9

	* scripts/process-changes.pl: caps names can have _

	* docs/tmpl/section-expression.sgml: Updated tmpls

	* docs/rasqal-changes.tsv: Added digest EXPRs for 0.9.26

	* configure.ac, src/rasqal_engine.c, src/rasqal_internal.h,
	src/rasqal_query.c: Removed Query Engine V1

	configure loses --with-query-engine-version option.

2011-02-26  Dave Beckett <dave@dajobe.org>

	* tests/sparql/check-sparql: exist check for output triples

	* src/rasqal_expr_numerics.c, src/sparql_lexer.l,
	src/sparql_parser.y: Lowercase hex needed for digest functions

	* src/rasqal.h.in, src/rasqal_expr.c, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_numerics.c, src/rasqal_internal.h,
	src/rasqal_query_write.c: Implement SPARQL 1.1 message digest
	expressions

	rasqal_op gains RASQAL_EXPR_MD5, RASQAL_EXPR_SHA1,
	RASQAL_EXPR_SHA224, RASQAL_EXPR_SHA256, RASQAL_EXPR_SHA384 and
	RASQAL_EXPR_SHA512.

	(rasqal_expression_evaluate_digest): Added to evaluate the above
	using rasqal_digest_buffer().

	(rasqal_expression_evaluate2): Call above.

	* src/rasqal_digest_md5.c, src/rasqal_digest_sha1.c: Include
	rasqal_internal.h

	* src/rasqal_expr_strings.c:
	(rasqal_expression_evaluate_substr,
	rasqal_expression_evaluate_set_case): Free l1

	* configure.ac, src/Makefile.am, src/rasqal_digest.c,
	src/rasqal_digest_md5.c, src/rasqal_digest_sha1.c,
	src/rasqal_internal.h: Add message digest support internally (MD5,
	SHA1) or mhash (lots)

	(rasqal_digest_buffer): Added internal function.  Skeleton gcrypt
	support also present, not yet enabled in configure.

2011-02-24  Dave Beckett <dave@dajobe.org>

	* NEWS.html: 0.9.25 release pointer

2011-02-23  Dave Beckett <dave@dajobe.org>

	* src/rasqal_decimal.c:
	(rasqal_xsd_decimal_round): Work around lack of mpf_round() in GMP

2011-02-22  Dave Beckett <dave@dajobe.org>

	* NEWS.html, RELEASE.html, configure.ac:
	Bumped version to 0.9.26

	* Snapshotted rasqal_0_9_25 for 0.9.25 release (GIT
	ab36ddfe4189f24dde4f3a0bdaac5459fe9a91d9)

2011-02-21  Dave Beckett <dave@dajobe.org>

	* src/Makefile.am, src/rasqal.h.in, src/rasqal_expr.c,
	src/rasqal_feature.c, src/rasqal_internal.h, src/rasqal_query.c,
	src/rasqal_random.c: Add user API to set random seed for a query

	rasqal_feature gains RASQAL_FEATURE_RAND_SEED for setting the seed
	for use with rand() or rand_r().

	(rasqal_evaluation_context_set_rand_seed): Added for setting seed
	in a standalone expression evaluation context.

	(rasqal_random_get_system_seed): Added as an internal function for
	getting a seed from system sources.

	* src/rasqal_internal.h: docs for internal query fields

	* tests/sparql/check-sparql:
	warnings for bad manifest data

	* src/rasqal_algebra.c:
	(rasqal_algebra_graph_pattern_to_algebra): Remove abort() in debug
	mode.

	* src/rasqal_query_transform.c:
	(rasqal_graph_pattern_join): Handle join of var field (OK when
	merging with empty GP)

2011-02-21  Lauri Aalto <laalto@iki.fi>

	* src/rasqal_query.c:
	(rasqal_query_prepare): Fixed build without HAVE_RAND_R.

	* src/sparql_parser.y: #comment typo

2011-02-19  Dave Beckett <dave@dajobe.org>

	* src/rasqal_decimal.c:
	Fix MPFR floor, round, trunc

	* configure.ac, src/rasqal.h.in, src/rasqal_expr.c,
	src/rasqal_expr_evaluate.c, src/rasqal_expr_numerics.c,
	src/rasqal_internal.h, src/rasqal_query_write.c,
	src/sparql_lexer.l, src/sparql_parser.y: Added ABS, ROUND, CEIL,
	FLOOR expression support and execution.

	rasqal_op gains RASQAL_EXPR_ABS, RASQAL_EXPR_ROUND,
	RASQAL_EXPR_CEIL, and RASQAL_EXPR_FLOOR

	Update all expression callers.

	(rasqal_expression_evaluate_abs, rasqal_expression_evaluate_round,
	rasqal_expression_evaluate_ceil,
	rasqal_expression_evaluate_floor): Added.

	* src/rasqal_internal.h, src/rasqal_literal.c: Add abs, round,
	ceil, floor methods to literal class.

	(rasqal_literal_abs, rasqal_literal_round, rasqal_literal_ceil,
	rasqal_literal_floor): Added.

	* src/rasqal.h.in, src/rasqal_decimal.c: Add abs, round, ceil and
	floor for decimal class

	(rasqal_xsd_decimal_abs, rasqal_xsd_decimal_round,
	rasqal_xsd_decimal_ceil, rasqal_xsd_decimal_floor): Added.

	* configure.ac: Add test for stdint.h

	* src/rasqal_xsd_datatypes.c:
	(rasqal_xsd_format_double): Numbers with no trailing 0s no longer
	fail

2011-02-18  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query.c:
	Mix random seed sources for RAND()

	(rasqal_query_prepare): Use mix public domain code from
	http://www.burtleburtle.net/bob/c/lookup3.c to mix processor
	clock, wall clock time and process ID to get a better random seed.
	This code should definitely be elsewhere rather than in query
	prepare!

	* src/rasqal_query.c: syntax

	* src/rasqal_query.c: autodocs

	* src/rasqal_expr_numerics.c, src/rasqal_query.c: Init random seed
	from some C standard function sources

	* src/rasqal_expr_numerics.c:
	(rasqal_expression_evaluate_rand): Generate a double in range [0, 1)

	* src/rasqal.h.in: fix rasqal_evaluation_context_set_base_uri
	prototype

	* src/rasqal.h.in, src/rasqal_algebra.c, src/rasqal_engine.c,
	src/rasqal_engine_sort.c, src/rasqal_expr.c,
	src/rasqal_expr_numerics.c, src/rasqal_internal.h,
	src/rasqal_query.c, src/rasqal_query_transform.c,
	src/rasqal_rowsource_assignment.c, src/rasqal_rowsource_filter.c,
	src/rasqal_rowsource_join.c, src/rasqal_rowsource_project.c: Turn
	rasqal_evaluation_context into a simple class.

	(rasqal_new_evaluation_context, rasqal_free_evaluation_context,
	rasqal_evaluation_context_set_base_uri): Added.  The constructor
	takes the simple common args - world, locator and flags (none of
	which are shared).  Most fields such as seed can be set
	directly (not referenced counted; shared).

	The single method rasqal_new_evaluation_context_set_base_uri
	manages the reference counted base URI.

	Updated callers and initialise when a query is constructed in
	rasqal_new_query()

	* src/sparql_parser.y:
	(Query): Move BindingsClauseOpt here to allow with any verb

	* src/sparql_parser.y: docs

	* src/sparql_parser.y: NOW() is part of SPARQL 1.1

	* src/rasqal_expr.c:
	(rasqal_expression_visit): Do not fail when visiting BNODE()

	* src/rasqal.h.in, src/rasqal_expr.c: Support BNODE() with no
	args.

	Note RASQAL_EXPR_BNODE handles BNODE()

	(rasqal_new_1op_expression): Allow BNODE() to have a NULL arg.

	* src/sparql_parser.y: Use rasqal_new_0op_expression to make
	RASQAL_EXPR_RAND

	* src/sparql_lexer.l, src/sparql_parser.y: Add SPARQL 1.1 BIND()

	* src/rasqal_query_write.c: Add BIND to rasqal_sparql_op_labels.

	* docs/tmpl/section-expression.sgml,
	docs/tmpl/section-literal.sgml:	Update tmpls

2011-02-15  Dave Beckett <dave@dajobe.org>

	* utils/check_query.c: Find and print differences in query result
	rows

	(new_compare_query_results): Add world parameter

	(compare_query_results_compare): Check number of bindings match.
	For each row, check values match for each binding and print out a
	formatted message with the difference.  Print an error message
	once if there were any row differences.  Tidy the other error
	messages.

	(main): Set executed query results to be stored/rewindable.  Set
	the expected results to be stored/rewindable.

2011-02-15  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query.c:
	(rasqal_query_set_store_results): Make this actually work after a
	prepare.

	* utils/check_query.c: check rows are the same width

	* src/rasqal_dataset.c: autodocs

2011-02-14  Dave Beckett <dave@dajobe.org>

	* src/rasqal_format_rdf.c: Do not emit rs:binding if there is no
	value.

	* src/rasqal_format_table.c: Handle printing NULL values

	* src/sparql_common.h, src/sparql_lexer.l, src/sparql_parser.y:
	Update SPARQL """-quoted and '''-quoted strings to Turtle spec.

	Now support @lang suffix and do not suffer from grabbing too much 
	data.

	(STRING_LITERAL): Removed token from lexer.

	(STRING): Added as a simple lexer string

	(HATHAT): Added lexer token for '^^'.

	(RDFLiteral): Added to parser handling the string, lang string or
	datatyped string alternatives.  Uses STRING

	(SeparatorOpt): Updated to use STRING.

	(BindingValue, GraphTerm): Updated to use RDFLiteral.

	(sparql_stringbuffer_append_sparql_string): Added based on
	turtle_stringbuffer_append_turtle_string adding \f and \b escapes
	and adjusting error handling to go direct to a rasqal function.

	Fixes Issue#0000427
	http://bugs.librdf.org/mantis/view.php?id=427
	and Issue#0000428
	http://bugs.librdf.org/mantis/view.php?id=428

	* tests/sparql/update/Makefile.am,
	tests/sparql/update/insert-data-2.rq,
	tests/sparql/update/insert-data-3.rq,
	tests/sparql/update/insert-data-4.rq: Add tests from Issue#0000427
	http://bugs.librdf.org/mantis/view.php?id=427

2011-02-14  Lauri Aalto <laalto@iki.fi>

	* src/sparql_parser.y:
	(ClearQuery): Quick fix to avoid raptor_uri_copy(NULL) assertion
	failures and make tests pass.

	* src/rasqal_expr_strings.c:
	(rasqal_expression_evaluate_strmatch): Fixed build with
	RASQAL_REGEX_{NONE,PCRE}

2011-02-13  Dave Beckett <dave@dajobe.org>

	* src/rasqal_internal.h, src/sparql_parser.y: Fix SPARQL 1.1 CLEAR
	and DROP to allow optional SILENT

	Add internal sparql_uri_applies typedef to hold the pair of URI
	and applies destination enum.

	(new_uri_applies, free_uri_applies): Added internal to sparql
	parser.

	(GraphRefAll): Returns a sparql_uri_applies value token.  Merge in
	the legacy GRAPH DEFAULT check here.

	(ClearQuery, DropQuery): Simplify using GraphRefAll returning both
	the optional graph URI and the applies enum.

	* tests/sparql/check-sparql: fix GIT earl output

	* src/rasqal_algebra.c, src/rasqal_engine_algebra.c: Add support
	for FILTER graph pattern execution on it's own.

	Previously all FILTER GPs were merged with Basic GP and then
	executed as part of the triples rowsource.  This fails when FILTER
	is used alone like ... ASK WHERE { FILTER ( TRUE ) } which returns
	TRUE.

	(rasqal_new_filter_algebra_node): May now take NULL node.

	(rasqal_algebra_filter_graph_pattern_to_algebra): Added to use
	above to make a FILTER over no node.

	(rasqal_algebra_graph_pattern_to_algebra): Turn FILTER GP into
	algebra with above function.

	(rasqal_algebra_filter_algebra_node_to_rowsource): if the inner
	node is NULL, use an empty rowsource to 'filter' over.  This could
	be optimized out in future but is sufficient and correct.

	* src/rasqal_expr_datetimes.c, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_strings.c: Guard all returns from
	rasqal_expression_evaluate2() to check handle NULL value if not
	supported

	* src/rasqal_rowsource_project.c:
	(rasqal_project_rowsource_read_row): Ignore errors in project AS
	Vars.

	Need to check this against the spec, but tests seem to require it
	such as SPARQL 1.1 project-expression test 'Expression raise an
	error'

	* src/rasqal.h.in, src/rasqal_internal.h, src/rasqal_literal.c:
	Update literal type error returns.

	(rasqal_literal_as_integer, rasqal_literal_as_floating): NULL
	evaluated is a type error not an assertion failure/abort (debug
	mode).

	(rasqal_literal_as_counted_string, rasqal_literal_as_string_flags,
	rasqal_literal_compare, rasqal_literal_as_boolean,
	rasqal_literal_as_integer, rasqal_literal_as_floating): Alter
	parameter names for error return to be error_p and update
	autodocs.

	* src/rasqal_literal.c:
	(rasqal_literal_as_boolean): NULL evaluated is a type error.

	* src/rasqal_expr_evaluate.c:
	(rasqal_expression_evaluate2): Handle AND, OR literal error returns

2011-02-12  Dave Beckett <dave@dajobe.org>

	* src/rasqal_expr_datetimes.c, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_strings.c: Replace literal NULL test with error_p
	return tests

	* src/rasqal_literal.c:
	(rasqal_literal_value): Return NULL on NULL arg; tidy code

	* src/rasqal_literal.c:
	(rasqal_literal_compare): Return error on any NULL pointer arg

	* src/rasqal_expr_evaluate.c:
	(rasqal_expression_evaluate_str): Return on success

	* src/rasqal.h.in, src/rasqal_algebra.c, src/rasqal_engine.c,
	src/rasqal_engine_sort.c, src/rasqal_expr.c,
	src/rasqal_expr_datetimes.c, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_strings.c, src/rasqal_internal.h,
	src/rasqal_query_transform.c, src/rasqal_rowsource_assignment.c,
	src/rasqal_rowsource_filter.c, src/rasqal_rowsource_join.c,
	src/rasqal_rowsource_project.c: rasqal_expression_evaluate2
	updated to add an error pointer return arg.

	(rasqal_expression_evaluate2): Add an error_p pointer to an error
	flag to return an error since NULL is a valid expression evalution
	in some cases; like STRLANG() on non-simple literals.

	Update all callers to set error_p on error/failure case.

	(rasqal_engine_rowsort_calculate_order_values): Tidy cody when an
	error happens.

	(rasqal_expression_sequence_evaluate): Pass down error return.

	(rasqal_expression_evaluate): If error is returned, pass on NULL.

	(rasqal_expression_foreach_fold): If evaluation fails, break loop
	and return error.

	(rasqal_project_rowsource_read_row): Add failed cleanup.  On
	evaluation failure in loop, fail and return.

	* src/rasqal_expr_datetimes.c, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_strings.c: use goto failed on errors

	* src/rasqal_expr_evaluate.c: autodocs

	* src/rasqal_expr_evaluate.c: Rename expr_context to eval_context

	* src/rasqal_expr_datetimes.c, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_strings.c: Update internal autodocs for
	rasqal_evaluation_context API change

	* src/rasqal.h.in, src/rasqal_expr.c, src/rasqal_query.c:
	(rasqal_evaluation_context_init): Renamed from
	rasqal_expression_context_init

2011-02-11  Dave Beckett <dave@dajobe.org>

	* configure.ac, src/Makefile.am, src/rasqal.h.in,
	src/rasqal_expr.c, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_numerics.c, src/rasqal_internal.h,
	src/rasqal_query_write.c, src/sparql_lexer.l, src/sparql_parser.y:
	Add RASQAL_EXPR_RAND for SPARQL 1.1 RAND()

	rasqal_op gains RASQAL_EXPR_RAND

	rasqal_world gains seed field.  Check for rand_r and use it if
	available.

	(rasqal_expression_evaluate_rand): Added TODO: Initialise seed
	with srandom() or with assignment (if srand_r is present) and
	provide API to do so too.

2011-02-10  Dave Beckett <dave@dajobe.org>

	* src/rasqal.h.in, src/rasqal_algebra.c, src/rasqal_engine.c,
	src/rasqal_engine_sort.c, src/rasqal_expr.c,
	src/rasqal_expr_datetimes.c, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_strings.c, src/rasqal_internal.h,
	src/rasqal_query.c, src/rasqal_query_transform.c,
	src/rasqal_rowsource_assignment.c, src/rasqal_rowsource_filter.c,
	src/rasqal_rowsource_join.c, src/rasqal_rowsource_project.c:
	Perform all expression evaluation with rasqal_evaluation_context

	Added new typedef rasqal_evaluation_context to wrap context needed
	for expression evaluation, adding an optional base URI.

	rasqal_query gains a static rasqal_evaluation_context.

	(rasqal_expression_evaluate2): Added taking just an expression and
	an evaluation context.  Deprecates rasqal_expression_evaluate().

	(rasqal_expression_evaluate): Deprecated for above.

	Change all expression evaluation code to use
	rasqal_expression_evaluate() and pass around an expression
	evaluation context eval_context.

	(rasqal_query_prepare): Initialise the query eval_context field.

2011-02-09  Dave Beckett <dave@dajobe.org>

	* src/rasqal_rowsource_empty.c,
	tests/sparql/syntax/result-0triples.n3: Alter empty rowsource to
	return 1 row of no bindings.

	(rasqal_empty_rowsource_read_row): Return a single empty row, then
	NULL.

	(rasqal_empty_rowsource_read_all_rows): Return a seq with one
	empty row

	(main): Adjust tests to expect above.  Alter syntax test
	result-0triples.n3 to expect change.

	* src/rasqal_expr_evaluate.c:
	(rasqal_expression_evaluate_strdt): Free l1 and l2 after done with
	contents.

	* src/rasqal_expr_evaluate.c: Return no value for STRDT() and
	STRLANG() on non-simple literals.

	* src/rasqal_expr_strings.c: SPARQL 1.1 ENCODE_FOR_URI() does not
	preserve language and datatype of input

	(rasqal_expression_evaluate_encode_for_uri): Remove copy of
	language and datatype URI

	* src/rasqal.h.in, src/rasqal_datetime.c, src/rasqal_expr.c,
	src/rasqal_expr_datetimes.c, src/rasqal_expr_evaluate.c,
	src/rasqal_query_write.c, src/sparql_lexer.l, src/sparql_parser.y:
	Added RASQAL_EXPR_TZ for SPARQL 1.1 TZ()

	(rasqal_expression_evaluate_datetime_timezone): Tidy.

	(rasqal_expression_evaluate_datetime_tz): Added, returning the
	timezone string using
	rasqal_xsd_datetime_get_tz_as_counted_string().

	(rasqal_expression_evaluate): Evaluate RASQAL_EXPR_TZ

	* src/rasqal_datetime.c, src/rasqal_internal.h: Add support
	getting timezone string raw (not as day duration)

	(rasqal_xsd_datetime_timezone_format): Added, pulled out of
	rasqal_xsd_datetime_to_counted_string().

	Define #TIMEZONE_STRING_LEN for use throughtout the file.

	(rasqal_xsd_datetime_to_counted_string): Call above.

	(rasqal_xsd_datetime_get_ta_as_counted_string): Added to get back
	the TZ string component.

	* src/sparql_lexer.l: Add TZ as synonym for TIMEZONE. Until
	otherwise informed.

	* src/rasqal_expr_datetimes.c:
	(rasqal_expression_evaluate_datetime_timezone): Add
	xsd:dayTimeDuration datatype to result.

	* src/rasqal_datetime.c:
	(rasqal_xsd_datetime_get_seconds_as_decimal): Correctly get
	decimal.

	* src/sparql_parser.y:
	Allow GROUP BY to have an optional AS ?var

	(AsVarOpt): Added, pulled out of GroupCondition

	(GroupCondition): Handle optional var, returning just an expression

2011-02-08  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query.c:
	rasqal_query_get_bound_in_column_for_variable autodocs

2011-02-08  Lauri Aalto <laalto@iki.fi>

	* src/rasqal_format_html.c, src/rasqal_format_json.c,
	src/rasqal_format_rdf.c, src/rasqal_format_sparql_xml.c,
	src/rasqal_format_sv.c, src/rasqal_format_table.c,
	src/rdql_parser.y, src/sparql_parser.y: Removed remaining
	raptor_syntax_description mime_types_count and uri_strings_count
	initialization after commit e8d0043.

	The counts are initialized by raptor_syntax_description_validate().
	Changed mime_types/uri_strings arrays to be implicitly sized.

2011-02-06  Dave Beckett <dave@dajobe.org>

	* LICENSE.html: Make GPL V2 or newer explicit.

2011-02-03  Nicholas J Humfrey <njh@aelius.com>

	* src/rasqal_format_html.c, src/rasqal_format_json.c,
	src/rasqal_format_rdf.c, src/rasqal_format_sparql_xml.c,
	src/rasqal_format_sv.c, src/rasqal_format_table.c,
	src/rasqal_general.c, src/rasqal_result_formats.c: Use
	raptor_syntax_description_validate() to check query result
	descriptions and query syntax descriptions, instead of duplicating
	code.

2011-02-03  Dave Beckett <dave@dajobe.org>

	* NEWS.html, RELEASE.html, configure.ac:
	Bumped version to 0.9.25

2011-02-01  Dave Beckett <dave@dajobe.org>

	* rasqal.spec.in: Rasqal using raptor2 attempt

2011-01-31  Dave Beckett <dave@dajobe.org>

	* INSTALL.html:
	Update INSTALL notes for pkg-config help, remove --with-raptor

2011-01-31  Lauri Aalto <laalto@iki.fi>

	* src/sparql_parser.y:
	(ClearQuery, DropQuery): Cast away enum-int conversion warnings.

2011-01-30  Dave Beckett  <dave@dajobe.org>

	* Snapshotted rasqal_0_9_24 for 0.9.24 release (GIT commit
	17c89f4f3643385e61e25afec9a3599cacf6dedd)

	* tests/sparql/update/Makefile.am, tests/sparql/update/add-3.rq,
	tests/sparql/update/copy-3.rq, tests/sparql/update/move-3.rq: Add
	tests for ADD, COPY, MOVE with 2 DEFAULT args

	* src/rasqal_update.c:
	(rasqal_new_update_operation): Allow ADD, COPY, MOVE to have 2
	NULL args.

	* RELEASE.html, docs/rasqal-changes.tsv, src/rasqal.h.in:
	Documentation fixes for 0.9.24 Add ADD, MOVE, COPY notes about
	source/dest graphs

	Add rasqal_graph_pattern_get_flattened_triples and new enums to
	API changes

2011-01-29  Dave Beckett <dave@dajobe.org>

	* src/rasqal_expr.c:
	(rasqal_new_group_concat_expression): Add
	RASQAL_EXPR_FLAG_AGGREGATE

	* src/sparql_parser.y, tests/sparql/update/Makefile.am,
	tests/sparql/update/multiple-1.rq: Support SPARQL 1.1 Update
	DELETE WHERE { }

	(DeleteQuery): Add DELETE WHERE { } storing the triples in
	update->delete_templates

	Add and enable DELETE WHERE tests delete-where-1.rq and
	delete-where-2.rq which were in GIT already but not called.

	* src/sparql_lexer.l, src/sparql_parser.y,
	tests/sparql/update/Makefile.am,
	tests/sparql/update/delete-data-2.rq,
	tests/sparql/update/insert-2.rq,
	tests/sparql/update/multiple-1.rq:
	Require ; between update operations

	Add test for multiple operations in one update

	Adjust tests to match new syntax: delete-data-2.rq insert-2.rq

	Alter sparql lexer and parser test buffer size to 4K

	* src/rasqal_literal.c:
	(rasqal_free_literal): Free datetime datatype URI

	* docs/tmpl/section-updates.sgml: Update tmpls

	* src/rasqal_algebra.c:
	(rasqal_algebra_extract_aggregate_expression_visit): Correct
	variable references for aggregate work: give map a reference.

	* src/rasqal_rowsource_aggregation.c: autodocs

	* src/rasqal_rowsource.c: autodocs

2011-01-28  Dave Beckett <dave@dajobe.org>

	* src/rasqal_algebra.c:
	(rasqal_algebra_query_add_aggregation): Clean up ae if no
	aggregation in query.

	* src/rasqal_rowsource_aggregation.c:
	(rasqal_aggregation_rowsource_finish): Free con->expr_data

	* src/rasqal_solution_modifier.c:
	(rasqal_free_solution_modifier): Free having conditions

	* src/rasqal_algebra.c, src/rasqal_dataset.c, src/rasqal_engine.c,
	src/rasqal_format_table.c, src/rasqal_formula.c,
	src/rasqal_general.c, src/rasqal_graph.c,
	src/rasqal_graph_pattern.c, src/rasqal_map.c,
	src/rasqal_result_formats.c, src/rasqal_row_compatible.c,
	src/rasqal_rowsource.c, src/rasqal_triples_source.c,
	src/rasqal_update.c: Make all object destructors simply return on
	a NULL object pointer

	* src/rasqal_projection.c:
	(rasqal_free_projection): Free if pointer NOT NULL

	* src/rasqal_literal.c:
	(rasqal_new_variable_literal): Only free variable if calloc fails

	* docs/rasqal-sections.txt, src/rasqal.h.in,
	src/rasqal_internal.h, src/rasqal_query_write.c,
	src/rasqal_update.c, src/sparql_lexer.l, src/sparql_parser.y,
	tests/sparql/update/Makefile.am, tests/sparql/update/add-1.rq,
	tests/sparql/update/add-2.rq, tests/sparql/update/copy-1.rq,
	tests/sparql/update/copy-2.rq, tests/sparql/update/move-1.rq,
	tests/sparql/update/move-2.rq: Added support for SPARQL 1.1 Update
	draft ADD, MOVE, COPY parsing.

	rasqal_update_type gains new enum values RASQAL_UPDATE_TYPE_ADD,
	RASQAL_UPDATE_TYPE_MOVE and RASQAL_UPDATE_TYPE_COPY

	Added new enum rasqal_update_graph_applies

	rasqal_update_operation gains new applies field for CLEAR and DROP
	to signify they apply to multiple graphs.

	(rasqal_query_write_graphref): Added method for writing uri or
	DEFAULT or Named or ALL

	(rasqal_query_write_sparql_20060406): Write out new tokens and use
	rasqal_query_write_graphref() for terms.  Refactor.  SPARQL
	lexer/parser adds the new tokens ADD, MOVE, COPY and TO.

	(AddQuery, MoveQuery, CopyQuery): Added.

	(UpdateOperation): Add above alternatives to updates.

	(SilentOpt): Added to return silent flag.

	(CreateQuery, DropQuery, LoadQuery): Refactored to use above flag
	and save several code blocks.  Move around the warnings for
	deprecated SPARQL 1.1 and LAQRS syntax.

	(GraphRefAll): Added for Clear and Drop (excluding GraphRef)

	(rasqal_new_update_operation): Add applies arg.

	(rasqal_update_operation_print): Print new ops, document URI and
	applies.  Added tests for SPARQL 1.1 Update ADD, MOVE, COPY

	* NEWS.html, RELEASE.html, configure.ac: Bumped version to 0.9.24

	* src/rasqal_literal.c: Free a few more variable references

	(rasqal_new_variable_literal): Free passed in variable on error

	(rasqal_free_literal): Free variable if not NULL.

	* src/rasqal_literal.c:
	(rasqal_free_literal): Free reference-counted variables

	* utils/roqet.c: Make tidy_query free the query

2011-01-27  Dave Beckett  <dave@dajobe.org>

	* Snapshotted rasqal_0_9_23 for 0.9.23 release (GIT
	c2105bc8f4ccc77bb407213aa19c2a9e57c42531)

	* tests/sparql/Expr1/Makefile.am, tests/sparql/Expr2/Makefile.am:
	Mark 4 SPARQL 1.0 tests as passing after NULL literal comparison
	fixes.
	Expr1:
	  Tests "OPTIONAL-FILTER" and "OPTIONAL - Outer FILTER" now pass
	Expr2:
	  Tests "Test 'boolean effective value' - optional" and 
	  "Test 'boolean effective value' - unknown types" now pass

	* NEWS.html, RELEASE.html, src/rasqal_literal.c:
	(rasqal_literal_equals_flags): Make comparisons with one or more
	NULLs work.

	Fixes Issue#0000417
	http://bugs.librdf.org/mantis/view.php?id=417

2011-01-26  Dave Beckett <dave@dajobe.org>

	* src/rasqal_literal.c:
	(rasqal_literal_array_compare): Sort NULLs earlier in SPARQL
	ordering.
	Fixes Issue#0000407
	http://bugs.librdf.org/mantis/view.php?id=407

	* docs/tmpl/section-graph_pattern.sgml: Update tmpls

	* scripts/process-changes.pl: Sort by new version, newest first.
	Put package title in section only. Handle multiple old/new version
	pairs

	* docs/Makefile.am: Rasqal name

	* ChangeLog, ChangeLog.8, Makefile.am: Add ChangeLog.8 for 2010

	* docs/rasqal-changes.tsv, docs/rasqal-sections.txt: Add
	rasqal_graph_pattern_get_flattened_triples

	* scripts/process-changes.pl:
	Update to version from librdf

2011-01-25  Dave Beckett <dave@dajobe.org>

	* src/rasqal_query_write.c:
	(rasqal_query_write_sparql_triple_data): Emit GRAPH lit { ... }
	correctly

	* src/sparql_parser.y:
	(GraphTemplate): Tidy conditions and do cleanup

	* src/sparql_parser.y:
	(GraphTemplate): Apply GRAPH to triples sequence directly

	* src/rasqal_query_write.c:
	(rasqal_query_write_sparql_triple_data): Handle triples templates

	* src/rasqal_graph_pattern.c:
	(rasqal_graph_pattern_get_flattened_triples_visit): Handle empty
	seq.

	* src/sparql_parser.y: Return flat triples in update insert/delete
	templates

	(GraphTriples, UpdateQuery): Use
	rasqal_triples_sequence_set_origin() to expand BGP/GGP into a flat
	sequence of triples for caller.

	* src/rasqal_graph_pattern.c:
	(rasqal_graph_pattern_get_flattened_triples_visit): Use
	rasqal_triples_sequence_set_origin().

	* src/rasqal_internal.h, src/rasqal_triple.c:
	(rasqal_triples_sequence_set_origin): Added to set the same graph
	URI origin for a sequence of rasqal_triple

	* src/sparql_parser.y: Make update operations
	insert/delete_template fields store seq of triples.

	(GraphTemplate, ModifyTemplate): Now seq of
	rasqal_triple (GraphTemplate): Use
	rasqal_graph_pattern_get_flattened_triples() to turn a basic graph
	pattern or one with GRAPH gp into a sequence of triples.

	* src/rasqal.h.in, src/rasqal_graph_pattern.c:
	(rasqal_graph_pattern_get_flattened_triples): Added to flatten
	triple templates

	* NEWS.html, RELEASE.html, configure.ac: Bumped version to 0.9.23

	* src/rasqal_update.c:
	(rasqal_new_update_operation): Correct internal docs

	* src/rasqal.h.in: rasqal_update_operation docs

2011-01-21  Dave Beckett <dave@dajobe.org>

	* src/rasqal_expr.c:
	(rasqal_expression_compare): Compare op to RASQAL_EXPR_UNKNOWN

2011-01-17  Dave Beckett <dave@dajobe.org>

	* src/sparql_parser.y: When language feature is not allowed, use
	YYERROR to unwind stack and abort query cleanly

2011-01-12  Dave Beckett  <dave@dajobe.org>

	* Snapshotted rasqal_0_9_22 for 0.9.22 release (GIT
	b2b04e39695cced136e1d24d00d84066868d0c89)

	* docs/librasqal.3: skeleton

	* utils/Makefile.am: move check-query to EXTRA for now

	* utils/roqet.1: formatting

	* src/rasqal_general.c: 2011

	* configure.ac, src/.gitignore, src/rasqal.h.in,
	src/win32_rasqal_config.h, src/win32_rasqal_config.h.in:
	Substitute rasqal versions into src/rasqal.h.in and
	src/win32_rasqal_config.h.in

	* rasqal-src-config.in: pkg-config raptor2 only

	* configure.ac: RAPTOR_MIN_VERSION 2.0.0

	* configure.ac: AC_SUBST(RAPTOR_MIN_VERSION)

	* configure.ac: RASQAL_LIBTOOL_VERSION 3:0:0 causing soname bump

2011-01-11  Dave Beckett <dave@dajobe.org>

	* scripts/process-changes.pl: Make changes generate 1 page per
	changeset. Sort output by function, type or enum name

	* docs/rasqal-changes.tsv: 0.9.22 changes

	* src/rasqal.h.in: code style

	* docs/tmpl/rasqal-unused.sgml, docs/tmpl/section-data.sgml,
	docs/tmpl/section-expression.sgml, docs/tmpl/section-general.sgml,
	docs/tmpl/section-literal.sgml, docs/tmpl/section-query.sgml,
	docs/tmpl/section-query_results.sgml,
	docs/tmpl/section-query_results_formatter.sgml,
	docs/tmpl/section-unused.sgml, docs/tmpl/section-variable.sgml,
	docs/tmpl/section-xsd.sgml: Update tmpls

	* src/rasqal.h.in: document rasqal_generate_bnodeid_handler.
	Added enum rasqal_query_results_format_flags for bitflags

	* docs/rasqal-sections.txt: Added rasqal_generate_bnodeid_handler,
	rasqal_query_results_format_flags.  Removed
	rasqal_query_results_formatter_get_mime_type,
	raptor_message_handler

	* docs/rasqal-sections.txt: updated sections

2011-01-11  Lauri Aalto <laalto@iki.fi>

	* src/rasqal.h.in:
	(rasqal_new_query_results_formatter,
	rasqal_new_query_results_formatter_for_content): Added RASQAL_API
	exports to public API functions.

2011-01-10  Dave Beckett <dave@dajobe.org>

	* src/rasqal.h.in: Removed raptor_message_handler

	* docs/.gitignore, docs/Makefile.am, docs/rasqal-changes.tsv,
	docs/rasqal-docs.xml, scripts/Makefile.am,
	scripts/process-changes.pl: Generate Rasqal changes doc sections
	Generate the changes using an update version process-changes.pl
	from raptor V2 that can handle multiple sections for different
	old/new versions as well as omitting sections that have no
	content.

	* src/rasqal.h.in, src/rasqal_data_graph.c, src/rasqal_expr.c,
	src/rasqal_general.c, src/rasqal_internal.h, src/rasqal_query.c,
	src/rasqal_query_results.c, src/rasqal_result_formats.c,
	src/rasqal_service.c, src/rasqal_variable.c, src/rdql_parser.y,
	src/sparql_parser.y, tests/engine/rasqal_graph_test.c,
	tests/engine/rasqal_triples_test.c, utils/check_query.c,
	utils/roqet.1, utils/roqet.c, utils/srxread.c, utils/srxwrite.c:
	Remove all deprecated functions and rename foo2() to foo()

	rasqal_generate_bnodeid_handler takes a world object (was
	rasqal_generate_bnodeid_handler2)

	(rasqal_world_set_generate_bnodeid_handler):
	takes a rasqal_generate_bnodeid_handler arg (was
	rasqal_generate_bnodeid_handler2)

	Removed deprecated: rasqal_query_set_fatal_error_handler,
	rasqal_query_set_error_handler, rasqal_query_set_warning_handler,
	rasqal_query_set_default_generate_bnodeid_parameters,
	rasqal_query_set_generate_bnodeid_handler,
	rasqal_query_results_formats_enumerate,
	rasqal_new_query_results_formatter_by_mime_type,
	rasqal_query_results_formatter_get_mime_type,
	rasqal_new_data_graph, rasqal_new_coalesce_expression,
	rasqal_new_variable_typed,
	rasqal_new_variable.

	(rasqal_query_add_data_graph): Takes a data_graph arg instead of
	uri, name and flags (renamed from rasqal_query_add_data_graph2)

	(rasqal_query_results_write, rasqal_query_results_read): Take a
	name, mime_type, format_uri, base_uri args instead of format_uri,
	base_uri. (Renamed from rasqal_query_results_write2 and
	rasqal_query_results_read2 respectively).

	(rasqal_query_results_formats_check): Takes name, format URI,
	mime_type flags instead of name, uri and type. (Renamed from
	rasqal_query_results_formats_check2)

	(rasqal_new_query_results_formatter): Takes name, format type,
	format URI args instead of just name, format URI (renamed from
	rasqal_new_query_results_formatter2)

	(rasqal_new_query_results_formatter_for_content): Replaces
	rasqal_new_query_results_formatter_by_mime_type and takes optional
	buffer with length and identifer.

	(rasqal_new_function_expression): Added params and flags args to
	handle aggregate expressions. (Renamed from
	rasqal_new_function_expression2)

	roqet: delete deprecated -w arg. Use -d structure instead.

	* src/rasqal.h.in, src/rasqal_data_graph.c, src/rasqal_expr.c,
	src/rasqal_query_results.c, src/rasqal_result_formats.c,
	src/rasqal_variable.c: Add if !defined(RASQAL_DISABLE_DEPRECATED)
	around remaining deprecated functions

2011-01-06  Dave Beckett <dave@dajobe.org>

	* src/rasqal.h.in, src/rasqal_expr.c, src/rasqal_internal.h,
	src/rasqal_query.c: Added RASQAL_DISABLE_DEPRECATED macros around
	things that are going away

2011-01-04  Dave Beckett <dave@dajobe.org>

	* INSTALL.html, configure.ac, rasqal.pc.in, src/rasqal.h.in,
	src/rasqal_algebra.c, src/rasqal_dataset.c, src/rasqal_engine.c,
	src/rasqal_engine_sort.c, src/rasqal_expr.c,
	src/rasqal_format_rdf.c, src/rasqal_format_sparql_xml.c,
	src/rasqal_format_table.c, src/rasqal_general.c,
	src/rasqal_graph_pattern.c, src/rasqal_internal.h,
	src/rasqal_literal.c, src/rasqal_map.c, src/rasqal_query.c,
	src/rasqal_query_results.c, src/rasqal_query_transform.c,
	src/rasqal_query_write.c, src/rasqal_raptor.c,
	src/rasqal_result_formats.c, src/rasqal_row.c,
	src/rasqal_rowsource.c, src/rasqal_rowsource_aggregation.c,
	src/rasqal_rowsource_groupby.c, src/rasqal_rowsource_project.c,
	src/rasqal_rowsource_rowsequence.c, src/rasqal_rowsource_sort.c,
	src/rasqal_service.c, src/rasqal_variable.c, src/rdql_lexer.l,
	src/rdql_parser.y, src/sparql_lexer.l, src/sparql_parser.y,
	utils/Makefile.am, utils/check_query.c, utils/roqet.c: Kill
	support for Raptor V1

2011-01-04  Lauri Aalto <laalto@iki.fi>

	* src/rasqal_expr_strings.c:
	(rasqal_unicode_utf8_substr): Fixed integer conversion resulting
	in change of sign

2011-01-03  Dave Beckett <dave@dajobe.org>

	* src/rasqal_expr_strings.c:
	(rasqal_unicode_utf8_substr): End substr after length unichars

	* RELEASE.html, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_strings.c, src/rasqal_internal.h: Execute SUBSTR()
	2 and 3-arg versions

	(rasqal_unicode_utf8_substr): Added to do unicode UTF-8 substr
	using 0-offset index.

	(rasqal_expression_evaluate_substr): Added to implement SPARQL 1.1
	draft SUBSTR() using above.  Adjust XSD string 1-offset indexes.

	(rasqal_expression_evaluate): Call above for RASQAL_EXPR_SUBSTR

	* RELEASE.html, src/rasqal_expr_evaluate.c,
	src/rasqal_expr_strings.c, src/rasqal_internal.h: Execute
	ENCODE_FOR_URI()

	(rasqal_expression_evaluate_encode_for_uri): Added to implement
	SPARQL 1.1 draft ENCODE_FOR_URI()

	(rasqal_expression_evaluate): Call above for
	RASQAL_EXPR_ENCODE_FOR_URI.

	* INSTALL.html, LICENSE.html, NEWS.html, README.html,
	RELEASE.html, TODO.html, docs/rasqal-docs.xml: #2011

	* docs/tmpl/section-query_results.sgml: Update tmpls

	* utils/check_query.c: Raptor V1 support by importing V2 stuff.
	Sigh.

	* src/rasqal.h.in, src/rasqal_query_results.c:
	(rasqal_query_results_get_row_by_offset): Added to access stored
	query result rows

	* src/rasqal_query_results.c:
	(rasqal_query_check_limit_offset): negative offsets are errors

	* src/rasqal_engine.c, src/rasqal_internal.h,
	src/rasqal_query_results.c:
	(rasqal_query_check_limit_offset): Renamed from
	rasqal_query_results_check_limit_offset Renamed since this no
	longer uses (reads/writes) any query result state Updated callers.

	* src/rasqal_query_results.c:
	(rasqal_query_results_check_limit_offset): Just check, do not set
	finished flag

	* src/rasqal_engine.c, src/rasqal_query_results.c: Adjust callers
	of rasqal_query_results_check_limit_offset() to set finished flag
	explicitly

2011-01-03  Lauri Aalto <laalto@iki.fi>

	* src/rasqal_format_rdf.c: Eliminated initialized data - added
	const to ptr that does not need to be modified

	* src/rasqal_expr_strings.c, src/rasqal_query_results.c:
	(rasqal_expression_evaluate_concat,rasqal_query_results_rewind):
	Init variables before using them

	* src/rasqal_dataset.c, src/rasqal_query_results.c:
	(rasqal_dataset_init_match_internal,rasqal_query_results_get_type):
	Fixed int-enum warnings

	* src/rasqal_expr.c: fixed non-ascii comment

	* src/rasqal_expr_strings.c:
	(rasqal_expression_evaluate_set_case): Fixed compiler warnings

2011-01-02  Dave Beckett <dave@dajobe.org>

	* utils/check_query.c:
	(compare_query_results_compare): renamed to match code style

	* src/rasqal.h.in, src/rasqal_query_results.c: Added rewindable
	query results

	(rasqal_query_results_rewind): Added.

	(rasqal_query_results_execute_and_store_results): Calls above to
	reset the state after execution of all rows.  Adjust return to be
	failure so that empty result sets are not an error.

	(rasqal_query_results_get_row_from_saved): Return a copy of a row
	from a sequence rather then use the raptor_sequence_delete_at to
	allow rewinding to work.

	* src/rasqal.h.in, src/rasqal_internal.h, src/rasqal_query.c:
	(rasqal_query_set_store_results): Moved to public API.  Resets to
	unset after a prepare

	* tests/sparql/check-sparql:
	protect test for undef var

	* src/rasqal_internal.h, src/rasqal_query.c,
	src/rasqal_query_results.c: Alter rasqal_query_execute_with_engine
	to allow storing query results

	(rasqal_query_execute_with_engine): Construct a query result and
	then call rasqal_query_results_execute_with_engine() to execute
	it, passing in any query store_results flag directly.

	(rasqal_query_results_execute_with_engine): Alter signature to
	become a method query_results class, adding a store_results flag
	argument and just do executing not construction and executing -
	misnamed by code style.  Result is now a success int value.

	* utils/check_query.c:
	Add query results comparison local class

	(check_query_log_handler, check_query_error_handler): Tidy to
	print nicer messages if there is no locator

	(new_compare_query_results, free_compare_query_results,
	compare_query_results_set_log_handler,
	compare_compare_query_results): Added skeleton of a query results
	comparison class.

	* utils/check_query.c:
	(check_query_read_results): Added for code tidy.

	* utils/check_query.c: Allow -F/--format to set parser or query
	results format name.

	* utils/check_query.c: Print out expected and actual bindings
	result

	* utils/check_query.c: Init ds to NULL

	* src/rasqal_internal.h: Add V1 raptor_new_iostream_from_filename
	macro

	* utils/check_query.c: Read expected result

	* src/rasqal.h.in: raptor_uri

	* src/rasqal_format_rdf.c, src/rasqal_format_sparql_xml.c: Add
	query results recongising for 'rdf', 'turtle' and 'xml'
	formatters.

	(rasqal_query_results_rdfxml_recognise_syntax,
	rasqal_query_results_turtle_recognise_syntax,
	rasqal_query_results_xml_recognise_syntax): Added. All recognising
	just a few suffixes.

	* src/rasqal_internal.h: recognise not recognize

	* src/rasqal.h.in, src/rasqal_internal.h,
	src/rasqal_result_formats.c: Add query results format guessing.

	(rasqal_world_guess_query_results_format_name): Added to guess
	format based on format URI, mime type, some sample content or an
	identifier.

	(rasqal_new_query_results_formatter_for_content): Added to use
	above to construct a formatter from content.

	Typedef rasqal_query_results_recognize_syntax_func added
	rasqal_query_results_format_factory gains recognize_syntax
	optional factory method.

	* utils/roqet.c:
	(roqet_init_query): Remove unused results variable

	* utils/check_query.c: Use iostream and dataset to read graph
	results.

	* utils/check_query.c:
	(check_query_init_query): Added to pull init query code out of
	main

	* utils/.gitignore, utils/Makefile.am, utils/check_query.c: Add
	start of check_query utility

	* src/rasqal_query_results.c: Use rasqal_query_get_result_type in
	query engine execution

	(rasqal_query_results_execute_with_engine): Call
	rasqal_query_get_result_type() to get expected type and use
	RASQAL_QUERY_RESULTS_UNKNOWN for error case.

	* src/rasqal.h.in, src/rasqal_query.c:
	(rasqal_query_get_result_type): Added to determine expected result
	type from query structure Based on logic from
	rasqal_query_results_execute_with_engine()

	* src/rasqal.h.in: rasqal_query_results_type gains
	RASQAL_QUERY_RESULTS_UNKNOWN

	* src/rasqal.h.in, src/rasqal_query_results.c:
	(rasqal_query_results_get_type): Added

2011-01-01  Dave Beckett <dave@dajobe.org>

	* docs/tmpl/section-expression.sgml: Update tmpls

	* tests/sparql/check-sparql: Handle file: URIs properly for
	reading rdf results

	* src/rasqal_literal.c:
	(rasqal_literal_set_typed_value): Document l->string ownership for
	decimal.

	* src/rasqal_decimal.c:
	(rasqal_xsd_decimal_set_string): Strip leading '+' from decimal
	string for MPFR and GMP

	* src/rasqal_expr_evaluate.c:
	(rasqal_expression_evaluate_datatype): Free literal after getting
	a reference to dt_uri

	* src/rasqal_expr_evaluate.c:
	(rasqal_expression_evaluate): Fix RASQAL_EXPR_DATATYPE return
	value.

	* src/rasqal_format_sparql_xml.c, src/rasqal_general.c,
	src/rasqal_query.c, src/rasqal_redland.c: Replace strcpy with
	memcpy since strcpy() special features are not needed

	* src/rasqal_expr_evaluate.c, src/rasqal_expr_strings.c,
	src/rasqal_format_rdf.c, src/rasqal_literal.c: Replace
	rasqal_literal_as_string + strlen() on result with
	rasqal_literal_as_counted_string() call

	* src/rasqal_internal.h, src/rasqal_literal.c: Ensure true/false
	literal strings have lengths set consistently

	* src/rasqal.h.in, src/rasqal_literal.c:
	(rasqal_literal_as_counted_string): Added to get the literal
	string with length.

	* src/rasqal_expr_datetimes.c: autodocs

	* src/rasqal_expr_datetimes.c:
	(rasqal_expression_evaluate_datetime_timezone): No need to use len

	* src/rasqal_datetime.c:
	(rasqal_xsd_datetime_get_timezone_as_counted_string): Remove
	sprintf for small integers.

	* src/rasqal_expr_datetimes.c, src/rasqal_expr_evaluate.c,
	src/rasqal_internal.h:
	(rasqal_expression_evaluate_datetime_timezone): Added to execute
	TIMEZONE()

	* src/rasqal.h.in, src/rasqal_datetime.c:
	(rasqal_xsd_datetime_get_timezone_as_counted_string): Added to
	turn a timezone into a duration string