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# 2017-08-10
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements tests of writing to WITHOUT ROWID virtual tables
# using the tclvar eponymous virtual table.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix vtabJ
ifcapable !vtab {
finish_test
return
}
register_tclvar_module db
unset -nocomplain vtabJ
do_test 100 {
set vtabJ(1) this
set vtabJ(two) is
set vtabJ(3) {a test}
db eval {
SELECT fullname, value FROM tclvar WHERE name='vtabJ' ORDER BY fullname;
}
} {vtabJ(1) this vtabJ(3) {a test} vtabJ(two) is}
do_execsql_test 110 {
INSERT INTO tclvar(fullname, value)
VALUES('vtabJ(4)',4),('vtabJ(five)',555);
SELECT fullname, value FROM tclvar WHERE name='vtabJ' ORDER BY fullname;
} {vtabJ(1) this vtabJ(3) {a test} vtabJ(4) 4 vtabJ(five) 555 vtabJ(two) is}
do_test 111 {
set res {}
foreach vname [lsort [array names vtabJ]] {
lappend res vtabJ($vname) $vtabJ($vname)
}
set res
} {vtabJ(1) this vtabJ(3) {a test} vtabJ(4) 4 vtabJ(five) 555 vtabJ(two) is}
do_test 120 {
db eval {
INSERT INTO tclvar(fullname, value) VALUES('vtabJ(4)',444);
}
set vtabJ(4)
} {444}
do_test 130 {
db eval {
INSERT INTO tclvar(fullname, value) VALUES('vtabJ(4)',NULL);
}
info exists vtabJ(4)
} {0}
do_test 140 {
db eval {
UPDATE tclvar SET value=55 WHERE fullname='vtabJ(five)';
}
set vtabJ(five)
} {55}
do_test 150 {
db eval {
UPDATE tclvar SET fullname='vtabJ(5)' WHERE fullname='vtabJ(five)';
}
set vtabJ(5)
} {55}
do_test 151 {
info exists vtabJ(five)
} {0}
do_test 152 {
set res {}
foreach vname [lsort [array names vtabJ]] {
lappend res vtabJ($vname) $vtabJ($vname)
}
set res
} {vtabJ(1) this vtabJ(3) {a test} vtabJ(5) 55 vtabJ(two) is}
do_execsql_test 160 {
SELECT fullname FROM tclvar WHERE arrayname='two'
} {vtabJ(two)}
do_execsql_test 161 {
DELETE FROM tclvar WHERE arrayname='two';
SELECT fullname, value FROM tclvar WHERE name='vtabJ' ORDER BY fullname;
} {vtabJ(1) this vtabJ(3) {a test} vtabJ(5) 55}
do_test 162 {
set res {}
foreach vname [lsort [array names vtabJ]] {
lappend res vtabJ($vname) $vtabJ($vname)
}
set res
} {vtabJ(1) this vtabJ(3) {a test} vtabJ(5) 55}
# Try to trick the module into updating the same variable twice for a
# single UPDATE statement.
#
do_execsql_test 171 {
INSERT INTO tclvar(fullname, value) VALUES('xx', 'a');
SELECT name, value FROM tclvar where name = 'xx';
} {xx a}
do_execsql_test 172 {
UPDATE tclvar SET value = value || 't'
WHERE name = 'xx' OR name = 'x'||'x';
SELECT name, value FROM tclvar where name = 'xx';
} {xx at}
do_execsql_test 173 {
UPDATE tclvar SET value = value || 't'
WHERE name = 'xx' OR name BETWEEN 'xx' AND 'xx';
SELECT name, value FROM tclvar where name = 'xx';
} {xx att}
do_execsql_test 181 {
DELETE FROM tclvar WHERE name BETWEEN 'xx' AND 'xx' OR name='xx';
SELECT name, value FROM tclvar where name = 'xx';
} {}
#-------------------------------------------------------------------------
do_execsql_test 200 {
CREATE TABLE var(k TEXT, v TEXT);
INSERT INTO var VALUES('testvar1', 10);
INSERT INTO var VALUES('testvar2', 20);
INSERT INTO var VALUES('testvar3', 30);
}
do_test 210 {
foreach {testvar1 testvar2 testvar3} {1 2 3} {}
execsql {
UPDATE tclvar SET value = var.v FROM var WHERE name = var.k;
}
list $testvar1 $testvar2 $testvar3
} {10 20 30}
do_test 220 {
execsql {
CREATE TABLE nam(k TEXT, v TEXT);
INSERT INTO nam VALUES('testvar1', 'tv1');
INSERT INTO nam VALUES('testvar2', 'tv2');
INSERT INTO nam VALUES('testvar3', 'tv3');
UPDATE tclvar SET fullname = nam.v FROM nam WHERE name = nam.k;
}
list $tv1 $tv2 $tv3
} {10 20 30}
finish_test
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