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f8f0253c |
1 | package SQL::Translator::Producer::PostgreSQL; |
2 | |
3 | # ------------------------------------------------------------------- |
977651a5 |
4 | # $Id: PostgreSQL.pm,v 1.22 2004-02-09 23:02:15 kycl4rk Exp $ |
f8f0253c |
5 | # ------------------------------------------------------------------- |
977651a5 |
6 | # Copyright (C) 2002-4 SQLFairy Authors |
f8f0253c |
7 | # |
8 | # This program is free software; you can redistribute it and/or |
9 | # modify it under the terms of the GNU General Public License as |
10 | # published by the Free Software Foundation; version 2. |
11 | # |
12 | # This program is distributed in the hope that it will be useful, but |
13 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | # General Public License for more details. |
16 | # |
17 | # You should have received a copy of the GNU General Public License |
18 | # along with this program; if not, write to the Free Software |
19 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
20 | # 02111-1307 USA |
21 | # ------------------------------------------------------------------- |
22 | |
96844cae |
23 | =head1 NAME |
24 | |
25 | SQL::Translator::Producer::PostgreSQL - PostgreSQL producer for SQL::Translator |
26 | |
20770e44 |
27 | =head1 SYNOPSIS |
28 | |
29 | my $t = SQL::Translator->new( parser => '...', producer => 'PostgreSQL' ); |
30 | $t->translate; |
31 | |
32 | =head1 DESCRIPTION |
33 | |
34 | Creates a DDL suitable for PostgreSQL. Very heavily based on the Oracle |
35 | producer. |
36 | |
96844cae |
37 | =cut |
38 | |
f8f0253c |
39 | use strict; |
96844cae |
40 | use vars qw[ $DEBUG $WARN $VERSION ]; |
977651a5 |
41 | $VERSION = sprintf "%d.%02d", q$Revision: 1.22 $ =~ /(\d+)\.(\d+)/; |
f8f0253c |
42 | $DEBUG = 1 unless defined $DEBUG; |
43 | |
0c43e0a1 |
44 | use SQL::Translator::Schema::Constants; |
5ee19df8 |
45 | use SQL::Translator::Utils qw(header_comment); |
f8f0253c |
46 | use Data::Dumper; |
47 | |
d529894e |
48 | my %translate = ( |
49 | # |
50 | # MySQL types |
51 | # |
52 | bigint => 'bigint', |
4328d7bd |
53 | double => 'numeric', |
54 | decimal => 'numeric', |
55 | float => 'numeric', |
d529894e |
56 | int => 'integer', |
57 | mediumint => 'integer', |
58 | smallint => 'smallint', |
59 | tinyint => 'smallint', |
c8c17a58 |
60 | char => 'character', |
da8e499e |
61 | varchar => 'character varying', |
d529894e |
62 | longtext => 'text', |
63 | mediumtext => 'text', |
64 | text => 'text', |
65 | tinytext => 'text', |
66 | tinyblob => 'bytea', |
67 | blob => 'bytea', |
68 | mediumblob => 'bytea', |
69 | longblob => 'bytea', |
da8e499e |
70 | enum => 'character varying', |
71 | set => 'character varying', |
d529894e |
72 | date => 'date', |
73 | datetime => 'timestamp', |
74 | time => 'date', |
75 | timestamp => 'timestamp', |
76 | year => 'date', |
77 | |
78 | # |
79 | # Oracle types |
80 | # |
96844cae |
81 | number => 'integer', |
c8c17a58 |
82 | char => 'character', |
da8e499e |
83 | varchar2 => 'character varying', |
96844cae |
84 | long => 'text', |
85 | CLOB => 'bytea', |
86 | date => 'date', |
87 | |
88 | # |
89 | # Sybase types |
90 | # |
91 | int => 'integer', |
92 | money => 'money', |
da8e499e |
93 | varchar => 'character varying', |
96844cae |
94 | datetime => 'timestamp', |
95 | text => 'text', |
4328d7bd |
96 | real => 'numeric', |
96844cae |
97 | comment => 'text', |
98 | bit => 'bit', |
99 | tinyint => 'smallint', |
4328d7bd |
100 | float => 'numeric', |
d529894e |
101 | ); |
102 | |
96844cae |
103 | my %reserved = map { $_, 1 } qw[ |
104 | ALL ANALYSE ANALYZE AND ANY AS ASC |
105 | BETWEEN BINARY BOTH |
106 | CASE CAST CHECK COLLATE COLUMN CONSTRAINT CROSS |
107 | CURRENT_DATE CURRENT_TIME CURRENT_TIMESTAMP CURRENT_USER |
108 | DEFAULT DEFERRABLE DESC DISTINCT DO |
109 | ELSE END EXCEPT |
110 | FALSE FOR FOREIGN FREEZE FROM FULL |
111 | GROUP HAVING |
112 | ILIKE IN INITIALLY INNER INTERSECT INTO IS ISNULL |
113 | JOIN LEADING LEFT LIKE LIMIT |
114 | NATURAL NEW NOT NOTNULL NULL |
115 | OFF OFFSET OLD ON ONLY OR ORDER OUTER OVERLAPS |
116 | PRIMARY PUBLIC REFERENCES RIGHT |
117 | SELECT SESSION_USER SOME TABLE THEN TO TRAILING TRUE |
118 | UNION UNIQUE USER USING VERBOSE WHEN WHERE |
119 | ]; |
d529894e |
120 | |
83efd5a3 |
121 | my $max_id_length = 62; |
96844cae |
122 | my %used_identifiers = (); |
123 | my %global_names; |
124 | my %unreserve; |
125 | my %truncated; |
126 | |
127 | =pod |
128 | |
129 | =head1 PostgreSQL Create Table Syntax |
130 | |
131 | CREATE [ [ LOCAL ] { TEMPORARY | TEMP } ] TABLE table_name ( |
132 | { column_name data_type [ DEFAULT default_expr ] [ column_constraint [, ... ] ] |
133 | | table_constraint } [, ... ] |
134 | ) |
135 | [ INHERITS ( parent_table [, ... ] ) ] |
136 | [ WITH OIDS | WITHOUT OIDS ] |
137 | |
138 | where column_constraint is: |
139 | |
140 | [ CONSTRAINT constraint_name ] |
141 | { NOT NULL | NULL | UNIQUE | PRIMARY KEY | |
142 | CHECK (expression) | |
143 | REFERENCES reftable [ ( refcolumn ) ] [ MATCH FULL | MATCH PARTIAL ] |
144 | [ ON DELETE action ] [ ON UPDATE action ] } |
145 | [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ] |
146 | |
147 | and table_constraint is: |
148 | |
149 | [ CONSTRAINT constraint_name ] |
150 | { UNIQUE ( column_name [, ... ] ) | |
151 | PRIMARY KEY ( column_name [, ... ] ) | |
152 | CHECK ( expression ) | |
153 | FOREIGN KEY ( column_name [, ... ] ) REFERENCES reftable [ ( refcolumn [, ... ] ) ] |
154 | [ MATCH FULL | MATCH PARTIAL ] [ ON DELETE action ] [ ON UPDATE action ] } |
155 | [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ] |
156 | |
da8e499e |
157 | =head1 Create Index Syntax |
158 | |
159 | CREATE [ UNIQUE ] INDEX index_name ON table |
160 | [ USING acc_method ] ( column [ ops_name ] [, ...] ) |
161 | [ WHERE predicate ] |
162 | CREATE [ UNIQUE ] INDEX index_name ON table |
163 | [ USING acc_method ] ( func_name( column [, ... ]) [ ops_name ] ) |
164 | [ WHERE predicate ] |
165 | |
96844cae |
166 | =cut |
f8f0253c |
167 | |
96844cae |
168 | # ------------------------------------------------------------------- |
f8f0253c |
169 | sub produce { |
a1d94525 |
170 | my $translator = shift; |
171 | $DEBUG = $translator->debug; |
172 | $WARN = $translator->show_warnings; |
173 | my $no_comments = $translator->no_comments; |
174 | my $add_drop_table = $translator->add_drop_table; |
175 | my $schema = $translator->schema; |
96844cae |
176 | |
da8e499e |
177 | my $output; |
5ee19df8 |
178 | $output .= header_comment unless ($no_comments); |
50840472 |
179 | my %used_index_names; |
96844cae |
180 | |
021dbce8 |
181 | my @fks; |
0c43e0a1 |
182 | for my $table ( $schema->get_tables ) { |
183 | my $table_name = $table->name or next; |
da8e499e |
184 | $table_name = mk_name( $table_name, '', undef, 1 ); |
185 | my $table_name_ur = unreserve($table_name); |
186 | |
0c43e0a1 |
187 | my ( @comments, @field_defs, @sequence_defs, @constraint_defs ); |
96844cae |
188 | |
da8e499e |
189 | push @comments, "--\n-- Table: $table_name_ur\n--" unless $no_comments; |
f8f0253c |
190 | |
191 | # |
192 | # Fields |
193 | # |
96844cae |
194 | my %field_name_scope; |
0c43e0a1 |
195 | for my $field ( $table->get_fields ) { |
96844cae |
196 | my $field_name = mk_name( |
0c43e0a1 |
197 | $field->name, '', \%field_name_scope, 1 |
96844cae |
198 | ); |
199 | my $field_name_ur = unreserve( $field_name, $table_name ); |
0c43e0a1 |
200 | my $field_def = qq["$field_name_ur"]; |
da8e499e |
201 | |
202 | # |
203 | # Datatype |
204 | # |
0c43e0a1 |
205 | my @size = $field->size; |
206 | my $data_type = lc $field->data_type; |
207 | my %extra = $field->extra; |
208 | my $list = $extra{'list'} || []; |
4524cf01 |
209 | # todo deal with embedded quotes |
210 | my $commalist = join( ', ', map { qq['$_'] } @$list ); |
da8e499e |
211 | my $seq_name; |
212 | |
213 | if ( $data_type eq 'enum' ) { |
214 | my $len = 0; |
215 | $len = ($len < length($_)) ? length($_) : $len for (@$list); |
4524cf01 |
216 | my $chk_name = mk_name( $table_name.'_'.$field_name, 'chk' ); |
0c43e0a1 |
217 | push @constraint_defs, |
4328d7bd |
218 | qq[Constraint "$chk_name" CHECK ("$field_name" ]. |
219 | qq[IN ($commalist))]; |
0c43e0a1 |
220 | $data_type = 'character varying'; |
da8e499e |
221 | } |
222 | elsif ( $data_type eq 'set' ) { |
0c43e0a1 |
223 | $data_type = 'character varying'; |
da8e499e |
224 | } |
0c43e0a1 |
225 | elsif ( $field->is_auto_increment ) { |
50840472 |
226 | if ( defined $size[0] && $size[0] > 11 ) { |
4328d7bd |
227 | $data_type = 'bigserial'; |
50840472 |
228 | } |
229 | else { |
4328d7bd |
230 | $data_type = 'serial'; |
50840472 |
231 | } |
232 | undef @size; |
da8e499e |
233 | } |
234 | else { |
235 | $data_type = defined $translate{ $data_type } ? |
236 | $translate{ $data_type } : |
61aa0c9d |
237 | $data_type; |
0c43e0a1 |
238 | } |
239 | |
50840472 |
240 | if ( $data_type =~ /timestamp/i ) { |
c8c17a58 |
241 | if ( defined $size[0] && $size[0] > 6 ) { |
242 | $size[0] = 6; |
50840472 |
243 | } |
244 | } |
245 | |
246 | if ( $data_type eq 'integer' ) { |
247 | if ( defined $size[0] ) { |
4328d7bd |
248 | if ( $size[0] > 10 ) { |
249 | $data_type = 'bigint'; |
50840472 |
250 | } |
251 | elsif ( $size[0] < 5 ) { |
4328d7bd |
252 | $data_type = 'smallint'; |
50840472 |
253 | } |
254 | else { |
4328d7bd |
255 | $data_type = 'integer'; |
50840472 |
256 | } |
257 | } |
258 | else { |
4328d7bd |
259 | $data_type = 'integer'; |
50840472 |
260 | } |
50840472 |
261 | } |
4328d7bd |
262 | |
263 | # |
264 | # PG doesn't need a size for integers or text |
265 | # |
266 | undef @size if $data_type =~ m/(integer|smallint|bigint|text)/; |
50840472 |
267 | |
0c43e0a1 |
268 | $field_def .= " $data_type"; |
269 | |
270 | if ( defined $size[0] && $size[0] > 0 ) { |
4328d7bd |
271 | $field_def .= '(' . join( ',', @size ) . ')'; |
f8f0253c |
272 | } |
273 | |
da8e499e |
274 | # |
c8c17a58 |
275 | # Default value -- disallow for timestamps |
da8e499e |
276 | # |
c8c17a58 |
277 | my $default = $data_type =~ /(timestamp|date)/i |
278 | ? undef : $field->default_value; |
0c43e0a1 |
279 | if ( defined $default ) { |
280 | $field_def .= sprintf( ' DEFAULT %s', |
281 | ( $field->is_auto_increment && $seq_name ) |
da8e499e |
282 | ? qq[nextval('"$seq_name"'::text)] : |
0c43e0a1 |
283 | ( $default =~ m/null/i ) ? 'NULL' : "'$default'" |
da8e499e |
284 | ); |
285 | } |
f8f0253c |
286 | |
da8e499e |
287 | # |
288 | # Not null constraint |
289 | # |
0c43e0a1 |
290 | $field_def .= ' NOT NULL' unless $field->is_nullable; |
f8f0253c |
291 | |
0c43e0a1 |
292 | push @field_defs, $field_def; |
f8f0253c |
293 | } |
f8f0253c |
294 | |
295 | # |
da8e499e |
296 | # Index Declarations |
f8f0253c |
297 | # |
0c43e0a1 |
298 | my @index_defs = (); |
da8e499e |
299 | my $idx_name_default; |
0c43e0a1 |
300 | for my $index ( $table->get_indices ) { |
301 | my $name = $index->name || ''; |
c8c17a58 |
302 | if ( $name ) { |
303 | $name = next_unused_name($name, \%used_index_names); |
304 | $used_index_names{$name} = $name; |
305 | } |
306 | |
0c43e0a1 |
307 | my $type = $index->type || NORMAL; |
d8dcdb7a |
308 | my @fields = |
309 | map { $_ =~ s/\(.+\)//; $_ } |
310 | map { unreserve( $_, $table_name ) } |
0c43e0a1 |
311 | $index->fields; |
da8e499e |
312 | next unless @fields; |
313 | |
c8c17a58 |
314 | my $def_start = qq[Constraint "$name" ]; |
0c43e0a1 |
315 | if ( $type eq PRIMARY_KEY ) { |
c8c17a58 |
316 | push @constraint_defs, "${def_start}PRIMARY KEY ". |
50840472 |
317 | '("' . join( '", "', @fields ) . '")'; |
da8e499e |
318 | } |
0c43e0a1 |
319 | elsif ( $type eq UNIQUE ) { |
c8c17a58 |
320 | push @constraint_defs, "${def_start}UNIQUE " . |
50840472 |
321 | '("' . join( '", "', @fields ) . '")'; |
da8e499e |
322 | } |
0c43e0a1 |
323 | elsif ( $type eq NORMAL ) { |
0c43e0a1 |
324 | push @index_defs, |
c8c17a58 |
325 | 'CREATE INDEX "' . $name . "\" on $table_name_ur (". |
326 | join( ', ', map { qq["$_"] } @fields ). |
327 | ');' |
328 | ; |
da8e499e |
329 | } |
f8f0253c |
330 | else { |
0c43e0a1 |
331 | warn "Unknown index type ($type) on table $table_name.\n" |
da8e499e |
332 | if $WARN; |
f8f0253c |
333 | } |
334 | } |
335 | |
0c43e0a1 |
336 | # |
337 | # Table constraints |
338 | # |
339 | my $c_name_default; |
340 | for my $c ( $table->get_constraints ) { |
341 | my $name = $c->name || ''; |
c8c17a58 |
342 | if ( $name ) { |
343 | $name = next_unused_name($name, \%used_index_names); |
344 | $used_index_names{$name} = $name; |
345 | } |
346 | |
0c43e0a1 |
347 | my @fields = |
348 | map { $_ =~ s/\(.+\)//; $_ } |
349 | map { unreserve( $_, $table_name ) } |
350 | $c->fields; |
c8c17a58 |
351 | |
0c43e0a1 |
352 | my @rfields = |
353 | map { $_ =~ s/\(.+\)//; $_ } |
354 | map { unreserve( $_, $table_name ) } |
355 | $c->reference_fields; |
c8c17a58 |
356 | |
8065e024 |
357 | next if !@fields && $c->type ne CHECK_C; |
0c43e0a1 |
358 | |
c8c17a58 |
359 | my $def_start = $name ? qq[Constraint "$name" ] : ''; |
0c43e0a1 |
360 | if ( $c->type eq PRIMARY_KEY ) { |
c8c17a58 |
361 | push @constraint_defs, "${def_start}PRIMARY KEY ". |
50840472 |
362 | '("' . join( '", "', @fields ) . '")'; |
0c43e0a1 |
363 | } |
364 | elsif ( $c->type eq UNIQUE ) { |
50840472 |
365 | $name = next_unused_name($name, \%used_index_names); |
366 | $used_index_names{$name} = $name; |
c8c17a58 |
367 | push @constraint_defs, "${def_start}UNIQUE " . |
50840472 |
368 | '("' . join( '", "', @fields ) . '")'; |
0c43e0a1 |
369 | } |
8065e024 |
370 | elsif ( $c->type eq CHECK_C ) { |
8065e024 |
371 | my $expression = $c->expression; |
c8c17a58 |
372 | push @constraint_defs, "${def_start}CHECK ($expression)"; |
8065e024 |
373 | } |
0c43e0a1 |
374 | elsif ( $c->type eq FOREIGN_KEY ) { |
021dbce8 |
375 | my $def .= "ALTER TABLE $table_name ADD FOREIGN KEY (" . |
376 | join( ', ', map { qq["$_"] } @fields ) . ')' . |
377 | "\n REFERENCES " . $c->reference_table; |
0c43e0a1 |
378 | |
379 | if ( @rfields ) { |
50840472 |
380 | $def .= ' ("' . join( '", "', @rfields ) . '")'; |
0c43e0a1 |
381 | } |
382 | |
383 | if ( $c->match_type ) { |
384 | $def .= ' MATCH ' . |
385 | ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL'; |
386 | } |
387 | |
388 | if ( $c->on_delete ) { |
389 | $def .= ' ON DELETE '.join( ' ', $c->on_delete ); |
390 | } |
391 | |
392 | if ( $c->on_update ) { |
393 | $def .= ' ON UPDATE '.join( ' ', $c->on_update ); |
394 | } |
395 | |
021dbce8 |
396 | push @fks, "$def;"; |
0c43e0a1 |
397 | } |
398 | } |
399 | |
da8e499e |
400 | my $create_statement; |
401 | $create_statement = qq[DROP TABLE "$table_name_ur";\n] |
402 | if $add_drop_table; |
403 | $create_statement .= qq[CREATE TABLE "$table_name_ur" (\n]. |
0c43e0a1 |
404 | join( ",\n", map { " $_" } @field_defs, @constraint_defs ). |
da8e499e |
405 | "\n);" |
406 | ; |
407 | |
408 | $output .= join( "\n\n", |
409 | @comments, |
0c43e0a1 |
410 | @sequence_defs, |
da8e499e |
411 | $create_statement, |
0c43e0a1 |
412 | @index_defs, |
da8e499e |
413 | '' |
414 | ); |
415 | } |
416 | |
600ac2f7 |
417 | if ( @fks ) { |
418 | $output .= "--\n-- Foreign Key Definitions\n--\n\n" unless $no_comments; |
419 | $output .= join( "\n\n", @fks ); |
420 | } |
021dbce8 |
421 | |
da8e499e |
422 | if ( $WARN ) { |
423 | if ( %truncated ) { |
424 | warn "Truncated " . keys( %truncated ) . " names:\n"; |
425 | warn "\t" . join( "\n\t", sort keys %truncated ) . "\n"; |
426 | } |
427 | |
428 | if ( %unreserve ) { |
429 | warn "Encounted " . keys( %unreserve ) . |
430 | " unsafe names in schema (reserved or invalid):\n"; |
431 | warn "\t" . join( "\n\t", sort keys %unreserve ) . "\n"; |
432 | } |
f8f0253c |
433 | } |
434 | |
da8e499e |
435 | return $output; |
f8f0253c |
436 | } |
437 | |
96844cae |
438 | # ------------------------------------------------------------------- |
439 | sub mk_name { |
0c43e0a1 |
440 | my $basename = shift || ''; |
441 | my $type = shift || ''; |
442 | my $scope = shift || ''; |
443 | my $critical = shift || ''; |
96844cae |
444 | my $basename_orig = $basename; |
2ad4c2c8 |
445 | my $max_name = $type |
446 | ? $max_id_length - (length($type) + 1) |
447 | : $max_id_length; |
96844cae |
448 | $basename = substr( $basename, 0, $max_name ) |
449 | if length( $basename ) > $max_name; |
450 | my $name = $type ? "${type}_$basename" : $basename; |
451 | |
452 | if ( $basename ne $basename_orig and $critical ) { |
453 | my $show_type = $type ? "+'$type'" : ""; |
454 | warn "Truncating '$basename_orig'$show_type to $max_id_length ", |
455 | "character limit to make '$name'\n" if $WARN; |
456 | $truncated{ $basename_orig } = $name; |
457 | } |
458 | |
459 | $scope ||= \%global_names; |
460 | if ( my $prev = $scope->{ $name } ) { |
461 | my $name_orig = $name; |
462 | $name .= sprintf( "%02d", ++$prev ); |
463 | substr($name, $max_id_length - 3) = "00" |
464 | if length( $name ) > $max_id_length; |
465 | |
466 | warn "The name '$name_orig' has been changed to ", |
467 | "'$name' to make it unique.\n" if $WARN; |
468 | |
469 | $scope->{ $name_orig }++; |
f8f0253c |
470 | } |
96844cae |
471 | |
472 | $scope->{ $name }++; |
473 | return $name; |
474 | } |
475 | |
476 | # ------------------------------------------------------------------- |
477 | sub unreserve { |
0c43e0a1 |
478 | my $name = shift || ''; |
479 | my $schema_obj_name = shift || ''; |
480 | |
96844cae |
481 | my ( $suffix ) = ( $name =~ s/(\W.*)$// ) ? $1 : ''; |
482 | |
483 | # also trap fields that don't begin with a letter |
0c43e0a1 |
484 | return $name if !$reserved{ uc $name } && $name =~ /^[a-z]/i; |
96844cae |
485 | |
486 | if ( $schema_obj_name ) { |
487 | ++$unreserve{"$schema_obj_name.$name"}; |
488 | } |
489 | else { |
490 | ++$unreserve{"$name (table name)"}; |
491 | } |
492 | |
493 | my $unreserve = sprintf '%s_', $name; |
494 | return $unreserve.$suffix; |
f8f0253c |
495 | } |
496 | |
50840472 |
497 | # ------------------------------------------------------------------- |
498 | sub next_unused_name { |
499 | my $name = shift || ''; |
500 | my $used_names = shift || ''; |
501 | |
502 | my %used_names = %$used_names; |
503 | |
504 | if ( !defined($used_names{$name}) ) { |
505 | $used_names{$name} = $name; |
506 | return $name; |
507 | } |
508 | |
509 | my $i = 2; |
510 | while ( defined($used_names{$name . $i}) ) { |
511 | ++$i; |
512 | } |
513 | $name .= $i; |
514 | $used_names{$name} = $name; |
515 | return $name; |
516 | } |
517 | |
f8f0253c |
518 | 1; |
f8f0253c |
519 | |
96844cae |
520 | # ------------------------------------------------------------------- |
521 | # Life is full of misery, loneliness, and suffering -- |
522 | # and it's all over much too soon. |
523 | # Woody Allen |
524 | # ------------------------------------------------------------------- |
f8f0253c |
525 | |
96844cae |
526 | =pod |
f8f0253c |
527 | |
20770e44 |
528 | =head1 SEE ALSO |
529 | |
530 | SQL::Translator, SQL::Translator::Producer::Oracle. |
531 | |
f8f0253c |
532 | =head1 AUTHOR |
533 | |
20770e44 |
534 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt>. |
f8f0253c |
535 | |
536 | =cut |