File: test.pl

package info (click to toggle)
libdbd-oracle-perl 1.21-2
  • links: PTS
  • area: contrib
  • in suites: lenny
  • size: 1,808 kB
  • ctags: 576
  • sloc: ansic: 6,172; perl: 4,753; makefile: 14
file content (317 lines) | stat: -rwxr-xr-x 10,651 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
#!/usr/local/bin/perl -w

use ExtUtils::testlib;

die "Use 'perl -Mblib test.pl' or 'make test' to run test.pl\n"
    unless "@INC" =~ /\bblib\b/;

# Copyright (c) 1995-2004, Tim Bunce
#
# You may distribute under the terms of either the GNU General Public
# License or the Artistic License, as specified in the Perl README file.

# XXX
# XXX  PLEASE NOTE THAT THIS CODE IS A RANDOM HOTCH-POTCH OF TESTS AND
# XXX  TEST FRAMEWORKS AND IS IN *NO WAY* A TO BE USED AS A STYLE GUIDE!
# XXX

$| = 1;

use Getopt::Long;
use Config;

my $os = $Config{osname};

GetOptions(
	'm!'	=> \my $opt_m,	# do mem leak test
	'n=i'	=> \my $opt_n,	# num loops for some tests
	'c=i'	=> \my $opt_c,	# RowCacheSize for some tests
	'f=i'	=> \my $opt_f,	# fetch test
	'p!'	=> \my $opt_p,	# perf test
) or die;
$opt_n ||= 10;

# skip this old set of half-baked oddities if ORACLE_DSN env var is set
exit 0 if $ENV{ORACLE_DSN};

$dbname = $ARGV[0] || '';	# if '' it'll use TWO_TASK/ORACLE_SID
$dbuser = $ENV{ORACLE_USERID} || 'scott/tiger';

use Oraperl;

exit test_extfetch_perf($opt_f) if $opt_f;

exit test_leak(10 * $opt_n) if $opt_m;

&ora_version;

my @data_sources = DBI->data_sources('Oracle');
print "Data sources:\n\t", join("\n\t",@data_sources),"\n";

print "Connecting\n",
      " to '$dbname' (from command line, else uses ORACLE_SID or TWO_TASK - recommended)\n";
print " as '$dbuser' (via ORACLE_USERID env var or default - recommend name/passwd\@dbname)\n";
printf("(ORACLE_SID='%s', TWO_TASK='%s')\n", $ENV{ORACLE_SID}||'', $ENV{TWO_TASK}||'');
printf("(LOCAL='%s', REMOTE='%s')\n", $ENV{LOCAL}||'', $ENV{REMOTE}||'') if $os eq 'MSWin32';

{	# test connect works first
    local($l) = &ora_login($dbname, $dbuser, '');
    unless($l) {
	$ora_errno = 0 unless defined $ora_errno;
	$ora_errstr = '' unless defined $ora_errstr;
	warn "ora_login: $ora_errno: $ora_errstr\n";
	# Try to help dumb users who don't know how to connect to oracle...
	warn "\nHave you set the environment variable ORACLE_USERID ?\n"
		    if ($ora_errno == 1017);	# ORA-01017: invalid username/password
	warn "\nHave you included your password in ORACLE_USERID ? (e.g., 'user/passwd')\n"
		    if ($ora_errno == 1017 and $dbuser !~ m:/:);
	warn "\nHave you set the environment variable ORACLE_SID or TWO_TASK?\n"
		    if ($ora_errno == 2700);	# error translating ORACLE_SID
	warn "\nORACLE_SID or TWO_TASK possibly not right, or server not running.\n"
		    if ($ora_errno == 1034);	# ORA-01034: ORACLE not available
	warn "\nTWO_TASK possibly not set correctly right.\n"
		    if ($ora_errno == 12545);
	warn "\n";
        warn "Generally set TWO_TASK or ORACLE_SID but not both at the same time.\n";
        warn "Try to connect to the database using an oracle tool like sqlplus\n";
        warn "only if that works should you suspect problems with DBD::Oracle.\n";
        warn "Try leaving dbname value empty and set dbuser to name/passwd\@dbname.\n";
	die "\nTest aborted.\n";
    }
    if ($os ne 'MSWin32' and $os ne 'VMS') {
	my $backtick = `sleep 1; echo Backticks OK`;
	unless ($backtick) {	 # $! == Interrupted system call
	    print "Warning: Oracle's SIGCHLD signal handler breaks perl ",
		  "`backticks` commands: $!\n(d_sigaction=$Config{d_sigaction})\n";
	}
    }
    #test_bind_csr($l);
    #test_auto_reprepare($l);
    &ora_logoff($l)	|| warn "ora_logoff($l): $ora_errno: $ora_errstr\n";
}

&test_intfetch_perf() if $opt_p;

&test1();

print "\nRepetitive connect/open/close/disconnect:\n";
#print "If this test hangs then read the README.help.txt file.\n";
#print "Expect sequence of digits, no other messages:\n";
# likely to fail with: ORA-12516: TNS:listener could not find available handler with matching protocol stack (DBD ERROR: OCIServerAttach)
# in default configurations if the number of iterations is high (>~20)
my $connect_loop_start = DBI::dbi_time();
foreach(1..$opt_n) { print "$_ "; &test2(); }
my $dur = DBI::dbi_time() - $connect_loop_start;
printf "(~%.3f seconds each)\n", $dur / $opt_n;

print "test.pl complete.\n\n";

exit 0;


sub test1 {
    local($lda) = &ora_login($dbname, $dbuser, '')
			|| die "ora_login: $ora_errno: $ora_errstr\n";

    &ora_commit($lda)   || warn "ora_commit($lda): $ora_errno: $ora_errstr\n";
    &ora_rollback($lda) || warn "ora_rollback($lda): $ora_errno: $ora_errstr\n";
    &ora_autocommit($lda, 1);
    &ora_autocommit($lda, 0);

    # Test ora_do with harmless non-select statement
    &ora_do($lda, "set transaction read only ")
			|| warn "ora_do: $ora_errno: $ora_errstr";

    # DBI::dump_results($lda->tables());

    # $lda->debug(2);

    {
	#$lda->trace(2);
	local($csr) = &ora_open($lda,
	    "select to_number('7.2', '9D9',
			'NLS_NUMERIC_CHARACTERS =''.,'''
		    )			num_t,
		    SYSDATE		date_t,
		    USER		char_t,
		    ROWID		rowid_t,
		    HEXTORAW('7D')      raw_t,
		    NULL		null_t
	    from dual") || die "ora_open: $ora_errno: $ora_errstr\n";
	$csr->{RaiseError} = 1;

	print "Fields:    ",scalar(&ora_fetch($csr)),"\n";
	die "ora_fetch in scalar context error" unless &ora_fetch($csr)==6;
	print "Names:     \t",join("\t", &ora_titles($csr)),"\n";
	print "Lengths:   \t",DBI::neat_list([&ora_lengths($csr)],0,"\t"),"\n";
	print "OraTypes:  \t",DBI::neat_list([&ora_types($csr)],	0,"\t"),"\n";
	print "SQLTypes:  \t",DBI::neat_list($csr->{TYPE},		0,"\t"),"\n";
	print "Scale:     \t",DBI::neat_list($csr->{SCALE},		0,"\t"),"\n";
	print "Precision: \t",DBI::neat_list($csr->{PRECISION},	0,"\t"),"\n";
	print "Nullable:  \t",DBI::neat_list($csr->{NULLABLE},	0,"\t"),"\n";
	print "Est row width:\t$csr->{ora_est_row_width}\n";
	print "Prefetch cache:   $csr->{RowsInCache}\n" if $csr->{RowsInCache};

	print "Data rows:\n";
	#$csr->debug(2);
	while(@fields = $csr->fetchrow_array) {
	    die "ora_fetch returned ".@fields." fields instead of 6!"
		    if @fields != 6;
	    die "Perl list/scalar context error" if @fields==1;
	    print "    fetch: ", DBI::neat_list(\@fields),"\n";
	}
	&ora_close($csr) || warn "ora_close($csr): $ora_errno: $ora_errstr\n";
    }
    &ora_logoff($lda)   || warn "ora_logoff($lda): $ora_errno: $ora_errstr\n";
}


sub test2 {		# also used by test_leak()
    my $execute_sth = shift;
    my $dbh = DBI->connect("dbi:Oracle:$dbname", $dbuser, '', { RaiseError=>1 });
    if ($execute_sth) {
	my $sth = $dbh->prepare("select 42,'foo',sysdate from dual where ? >= 1");
	while ($execute_sth-- > 0) {
	    $sth->execute(1);
	    my @row = $sth->fetchrow_array;
	    $sth->finish;
	}
    }
    $dbh->disconnect;
}


sub test_leak {
    local($count) = @_;
    local($ps) = (-d '/proc') ? "ps -lp " : "ps -l";
    local($i) = 0;
    my $execute_sth = 100;
    print "\nMemory leak test: (execute $execute_sth):\n";
    while(++$i <= $count) {
	&test2($execute_sth);
	system("echo $i; $ps$$") if (($i % 10) == 1);
    }
    system("echo $i; $ps$$");
    print "Done.\n\n";
}


sub count_fetch {
    local($csr) = @_;
    local($rows) = 0;
   # while((@row) = &ora_fetch($csr)) {
    while((@row) = $csr->fetchrow_array) {
       ++$rows;
    }
    die "count_fetch $ora_errstr" if $ora_errno;
    return $rows;
}


sub test_intfetch_perf {
    print "\nTesting internal row fetch overhead.\n";
    local($lda) = &ora_login($dbname, $dbuser, '')
		    || die "ora_login: $ora_errno: $ora_errstr\n";
    DBI->trace(0);
    $lda->trace(0);
    local($csr) = &ora_open($lda,"select 0,1,2,3,4,5,6,7,8,9 from dual");
    local($max) = 50000;
    $csr->{ora_fetchtest} = $max;
    require Benchmark;
    $t0 = new Benchmark;
    1 while $csr->fetchrow_arrayref;
    $td = Benchmark::timediff((new Benchmark), $t0);
    $csr->{ora_fetchtest} = 0;
    printf("$max fetches: ".Benchmark::timestr($td)."\n");
    printf("%d per clock second, %d per cpu second\n\n",
	    $max/($td->real  ? $td->real  : 1),
	    $max/($td->cpu_a ? $td->cpu_a : 1));
}

sub test_extfetch_perf {
    my $max = shift;
    print "\nTesting external row fetch overhead.\n";
    my $rows = 0;
    my $dbh = DBI->connect("dbi:Oracle:$dbname", $dbuser, '', { RaiseError => 1 });
    #$dbh->trace(2);
    $dbh->{RowCacheSize} = $::opt_c if defined  $::opt_c;
    my $fields = (0) ? "*" : "object_name, status, object_type";
    my $sth = $dbh->prepare(q{
	select all * from all_objects o1
	union all select all * from all_objects o1
	union all select all * from all_objects o1
	union all select all * from all_objects o1
	union all select all * from all_objects o1
	union all select all * from all_objects o1
	union all select all * from all_objects o1
	union all select all * from all_objects o1
	union all select all * from all_objects o1
	--, all_objects o2
	--where o1.object_id <= 400 and o2.object_id <= 400
    }, { ora_check_sql => 1 });

    require Benchmark;
    $t0 = new Benchmark;
    $sth->execute;
    $sth->trace(0);
    $sth->fetchrow_arrayref;	# fetch one before starting timer
    $td = Benchmark::timediff((new Benchmark), $t0);
    printf("Execute: ".Benchmark::timestr($td)."\n");

    print "Fetching data with RowCacheSize $dbh->{RowCacheSize}...\n";
    $t1 = new Benchmark;
    1 while $sth->fetchrow_arrayref && ++$rows < $max;
    $td = Benchmark::timediff((new Benchmark), $t1);
    printf("$rows fetches: ".Benchmark::timestr($td)."\n");
    printf("%d per clock second, %d per cpu second\n",
	    $rows/($td->real  ? $td->real  : 1),
	    $rows/($td->cpu_a ? $td->cpu_a : 1));
    my $ps = (-d '/proc') ? "ps -lp " : "ps -l";
    system("echo Process memory size; $ps$$");
    print "\n";
    $sth->finish;
    $dbh->disconnect;
    exit 1;
}


sub test_bind_csr {
    local($lda) = @_;
$lda->{RaiseError} =1;
$lda->trace(2);
my $out_csr = $lda->prepare(q{select 42 from dual}); # sacrificial csr XXX
$csr = $lda->prepare(q{
    begin
    OPEN :csr_var FOR select * from all_tables;
    end;
});
$csr->bind_param_inout(':csr_var', \$out_csr, 100, { ora_type => 102 });
$csr->execute();
# at this point $out_csr should be a handle on a new oracle cursor
@row = $out_csr->fetchrow_array;

    exit 1;
}

sub test_auto_reprepare {
    local($dbh) = @_;
    $dbh->do(q{drop table timbo});
    $dbh->{RaiseError} =1;
    #$dbh->trace(2);
    $dbh->do(q{create table timbo ( foo integer)});
    $dbh->do(q{insert into timbo values (91)});
    $dbh->do(q{insert into timbo values (92)});
    $dbh->do(q{insert into timbo values (93)});
    $dbh->commit;
	$Oraperl::ora_cache = $Oraperl::ora_cache = 1;
    my $sth = $dbh->prepare(q{select * from timbo for update});
    $sth->execute; $sth->dump_results;
    $sth->execute;
    print $sth->fetchrow_array,"\n";
    $dbh->commit;
    print $sth->fetchrow_array,"\n";
    $dbh->do(q{drop table timbo});
    exit 1;
}

# end.