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16dc9970 |
1 | package SQL::Translator::Producer::Oracle; |
2 | |
077ebf34 |
3 | # ------------------------------------------------------------------- |
0a91d33e |
4 | # $Id: Oracle.pm,v 1.28 2003-11-05 22:27:55 kycl4rk Exp $ |
077ebf34 |
5 | # ------------------------------------------------------------------- |
abfa405a |
6 | # Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>, |
7 | # darren chamberlain <darren@cpan.org>, |
8 | # Chris Mungall <cjm@fruitfly.org> |
16dc9970 |
9 | # |
077ebf34 |
10 | # This program is free software; you can redistribute it and/or |
11 | # modify it under the terms of the GNU General Public License as |
12 | # published by the Free Software Foundation; version 2. |
13 | # |
14 | # This program is distributed in the hope that it will be useful, but |
15 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | # General Public License for more details. |
18 | # |
19 | # You should have received a copy of the GNU General Public License |
20 | # along with this program; if not, write to the Free Software |
21 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
22 | # 02111-1307 USA |
23 | # ------------------------------------------------------------------- |
24 | |
ba096dc4 |
25 | =head1 NAME |
26 | |
27 | SQL::Translator::Producer::Oracle - Oracle SQL producer |
28 | |
29 | =head1 SYNOPSIS |
30 | |
31 | use SQL::Translator; |
32 | |
33 | my $t = SQL::Translator->new( parser => '...', producer => 'Oracle' ); |
34 | print $translator->translate( $file ); |
35 | |
36 | =head1 DESCRIPTION |
37 | |
38 | Creates an SQL DDL suitable for Oracle. |
39 | |
40 | =cut |
41 | |
16dc9970 |
42 | use strict; |
96844cae |
43 | use vars qw[ $VERSION $DEBUG $WARN ]; |
0a91d33e |
44 | $VERSION = sprintf "%d.%02d", q$Revision: 1.28 $ =~ /(\d+)\.(\d+)/; |
d529894e |
45 | $DEBUG = 0 unless defined $DEBUG; |
16dc9970 |
46 | |
57f77285 |
47 | use SQL::Translator::Schema::Constants; |
5ee19df8 |
48 | use SQL::Translator::Utils qw(header_comment); |
49 | |
16dc9970 |
50 | my %translate = ( |
d529894e |
51 | # |
52 | # MySQL types |
53 | # |
16dc9970 |
54 | bigint => 'number', |
55 | double => 'number', |
56 | decimal => 'number', |
57 | float => 'number', |
58 | int => 'number', |
25966689 |
59 | integer => 'number', |
16dc9970 |
60 | mediumint => 'number', |
61 | smallint => 'number', |
62 | tinyint => 'number', |
16dc9970 |
63 | char => 'char', |
16dc9970 |
64 | varchar => 'varchar2', |
1f58ba76 |
65 | tinyblob => 'blob', |
66 | blob => 'blob', |
67 | mediumblob => 'blob', |
68 | longblob => 'blob', |
9fc9bfb1 |
69 | tinytext => 'varchar2', |
70 | text => 'clob', |
1f58ba76 |
71 | longtext => 'clob', |
72 | mediumtext => 'clob', |
16dc9970 |
73 | enum => 'varchar2', |
74 | set => 'varchar2', |
16dc9970 |
75 | date => 'date', |
76 | datetime => 'date', |
77 | time => 'date', |
78 | timestamp => 'date', |
79 | year => 'date', |
d529894e |
80 | |
81 | # |
82 | # PostgreSQL types |
83 | # |
57f77285 |
84 | numeric => 'number', |
85 | 'double precision' => 'number', |
86 | serial => 'number', |
87 | bigserial => 'number', |
88 | money => 'number', |
89 | character => 'char', |
90 | 'character varying' => 'varchar2', |
91 | bytea => 'BLOB', |
92 | interval => 'number', |
93 | boolean => 'number', |
94 | point => 'number', |
95 | line => 'number', |
96 | lseg => 'number', |
97 | box => 'number', |
98 | path => 'number', |
99 | polygon => 'number', |
100 | circle => 'number', |
101 | cidr => 'number', |
102 | inet => 'varchar2', |
103 | macaddr => 'varchar2', |
104 | bit => 'number', |
105 | 'bit varying' => 'number', |
ab8802d7 |
106 | |
107 | # |
108 | # Oracle types |
109 | # |
110 | number => 'number', |
111 | varchar2 => 'varchar2', |
112 | long => 'clob', |
d529894e |
113 | ); |
114 | |
115 | # |
116 | # Oracle reserved words from: |
117 | # http://technet.oracle.com/docs/products/oracle8i/doc_library/\ |
118 | # 817_doc/server.817/a85397/ap_keywd.htm |
119 | # |
96844cae |
120 | my %ora_reserved = map { $_, 1 } qw( |
d529894e |
121 | ACCESS ADD ALL ALTER AND ANY AS ASC AUDIT |
122 | BETWEEN BY |
123 | CHAR CHECK CLUSTER COLUMN COMMENT COMPRESS CONNECT CREATE CURRENT |
124 | DATE DECIMAL DEFAULT DELETE DESC DISTINCT DROP |
125 | ELSE EXCLUSIVE EXISTS |
126 | FILE FLOAT FOR FROM |
127 | GRANT GROUP |
128 | HAVING |
129 | IDENTIFIED IMMEDIATE IN INCREMENT INDEX INITIAL INSERT |
130 | INTEGER INTERSECT INTO IS |
131 | LEVEL LIKE LOCK LONG |
132 | MAXEXTENTS MINUS MLSLABEL MODE MODIFY |
133 | NOAUDIT NOCOMPRESS NOT NOWAIT NULL NUMBER |
134 | OF OFFLINE ON ONLINE OPTION OR ORDER |
135 | PCTFREE PRIOR PRIVILEGES PUBLIC |
136 | RAW RENAME RESOURCE REVOKE ROW ROWID ROWNUM ROWS |
137 | SELECT SESSION SET SHARE SIZE SMALLINT START |
138 | SUCCESSFUL SYNONYM SYSDATE |
139 | TABLE THEN TO TRIGGER |
140 | UID UNION UNIQUE UPDATE USER |
141 | VALIDATE VALUES VARCHAR VARCHAR2 VIEW |
142 | WHENEVER WHERE WITH |
16dc9970 |
143 | ); |
144 | |
96844cae |
145 | my $max_id_length = 30; |
146 | my %used_identifiers = (); |
d529894e |
147 | my %global_names; |
148 | my %unreserve; |
149 | my %truncated; |
16dc9970 |
150 | |
96844cae |
151 | # ------------------------------------------------------------------- |
077ebf34 |
152 | sub produce { |
a1d94525 |
153 | my $translator = shift; |
154 | $DEBUG = $translator->debug; |
155 | $WARN = $translator->show_warnings; |
156 | my $no_comments = $translator->no_comments; |
157 | my $add_drop_table = $translator->add_drop_table; |
158 | my $schema = $translator->schema; |
d529894e |
159 | my $output; |
44fcd0b5 |
160 | |
5ee19df8 |
161 | $output .= header_comment unless ($no_comments); |
077ebf34 |
162 | |
d529894e |
163 | if ( $translator->parser_type =~ /mysql/i ) { |
164 | $output .= |
ba3cb849 |
165 | "-- We assume that default NLS_DATE_FORMAT has been changed\n". |
166 | "-- but we set it here anyway to be self-consistent.\n" |
167 | unless $no_comments; |
168 | |
169 | $output .= |
d529894e |
170 | "ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS';\n\n"; |
171 | } |
16dc9970 |
172 | |
173 | # |
174 | # Print create for each table |
175 | # |
57f77285 |
176 | for my $table ( $schema->get_tables ) { |
177 | my $table_name = $table->name or next; |
44fcd0b5 |
178 | $table_name = mk_name( $table_name, '', undef, 1 ); |
57f77285 |
179 | my $table_name_ur = unreserve($table_name) or next; |
16dc9970 |
180 | |
57f77285 |
181 | my ( @comments, @field_defs, @trigger_defs, @constraint_defs ); |
16dc9970 |
182 | |
44fcd0b5 |
183 | push @comments, "--\n-- Table: $table_name_ur\n--" unless $no_comments; |
16dc9970 |
184 | |
f6195129 |
185 | my ( %field_name_scope, @field_comments ); |
57f77285 |
186 | for my $field ( $table->get_fields ) { |
16dc9970 |
187 | # |
188 | # Field name |
189 | # |
44fcd0b5 |
190 | my $field_name = mk_name( |
57f77285 |
191 | $field->name, '', \%field_name_scope, 1 |
44fcd0b5 |
192 | ); |
193 | my $field_name_ur = unreserve( $field_name, $table_name ); |
57f77285 |
194 | my $field_def = $field_name_ur; |
16dc9970 |
195 | |
196 | # |
197 | # Datatype |
198 | # |
44fcd0b5 |
199 | my $check; |
57f77285 |
200 | my $data_type = lc $field->data_type; |
201 | my @size = $field->size; |
202 | my %extra = $field->extra; |
203 | my $list = $extra{'list'} || []; |
77d74ea6 |
204 | # \todo deal with embedded quotes |
e6f063bd |
205 | my $commalist = join( ', ', map { qq['$_'] } @$list ); |
44fcd0b5 |
206 | |
207 | if ( $data_type eq 'enum' ) { |
1f58ba76 |
208 | $check = "CHECK ($field_name_ur IN ($commalist))"; |
57f77285 |
209 | $data_type = 'varchar2'; |
44fcd0b5 |
210 | } |
211 | elsif ( $data_type eq 'set' ) { |
212 | # XXX add a CHECK constraint maybe |
213 | # (trickier and slower, than enum :) |
57f77285 |
214 | $data_type = 'varchar2'; |
44fcd0b5 |
215 | } |
216 | else { |
217 | $data_type = defined $translate{ $data_type } ? |
218 | $translate{ $data_type } : |
0a91d33e |
219 | $data_type; |
220 | $data_type ||= 'varchar2'; |
44fcd0b5 |
221 | } |
1f58ba76 |
222 | |
e6f063bd |
223 | # |
224 | # Fixes ORA-02329: column of datatype LOB cannot be |
225 | # unique or a primary key |
226 | # |
1f58ba76 |
227 | if ( $data_type eq 'clob' && $field->is_primary_key ) { |
228 | $data_type = 'varchar2'; |
9fc9bfb1 |
229 | $size[0] = 4000; |
e6f063bd |
230 | warn "CLOB cannot be a primary key, changing to VARCHAR2\n" |
231 | if $WARN; |
1f58ba76 |
232 | } |
233 | |
9fc9bfb1 |
234 | # |
1f58ba76 |
235 | # Fixes ORA-00907: missing right parenthesis |
9fc9bfb1 |
236 | # |
237 | if ( $data_type =~ /(date|clob)/i ) { |
1f58ba76 |
238 | undef @size; |
239 | } |
16dc9970 |
240 | |
57f77285 |
241 | $field_def .= " $data_type"; |
242 | if ( defined $size[0] && $size[0] > 0 ) { |
243 | $field_def .= '(' . join( ', ', @size ) . ')'; |
244 | } |
1f58ba76 |
245 | |
16dc9970 |
246 | # |
247 | # Default value |
248 | # |
57f77285 |
249 | my $default = $field->default_value; |
250 | if ( defined $default ) { |
1c899510 |
251 | # |
252 | # Wherein we try to catch a string being used as |
253 | # a default value for a numerical field. If "true/false," |
254 | # then sub "1/0," otherwise just test the truthity of the |
255 | # argument and use that (naive?). |
256 | # |
ab8802d7 |
257 | if ( |
258 | $data_type =~ /^number$/i && |
259 | $default !~ /^\d+$/ && |
260 | $default !~ m/null/i |
261 | ) { |
1c899510 |
262 | if ( $default =~ /^true$/i ) { |
263 | $default = "'1'"; |
264 | } |
265 | elsif ( $default =~ /^false$/i ) { |
266 | $default = "'0'"; |
267 | } |
268 | else { |
269 | $default = $default ? "'1'" : "'0'"; |
270 | } |
271 | } |
272 | elsif ( |
273 | $data_type =~ /date/ && $default eq 'current_timestamp' |
274 | ) { |
275 | $default = 'SYSDATE'; |
276 | } |
277 | else { |
278 | $default = $default =~ m/null/i ? 'NULL' : "'$default'" |
279 | } |
280 | |
281 | $field_def .= " DEFAULT $default", |
16dc9970 |
282 | } |
283 | |
284 | # |
285 | # Not null constraint |
286 | # |
57f77285 |
287 | unless ( $field->is_nullable ) { |
02c2af3b |
288 | # my $constraint_name = mk_name( |
289 | # join('_', $table_name_ur, $field_name_ur ), 'nn' |
290 | # ); |
291 | # $field_def .= ' CONSTRAINT ' . $constraint_name . ' NOT NULL'; |
292 | $field_def .= ' NOT NULL'; |
16dc9970 |
293 | } |
294 | |
57f77285 |
295 | $field_def .= " $check" if $check; |
44fcd0b5 |
296 | |
16dc9970 |
297 | # |
298 | # Auto_increment |
299 | # |
57f77285 |
300 | if ( $field->is_auto_increment ) { |
44fcd0b5 |
301 | my $base_name = $table_name . "_". $field_name; |
302 | my $seq_name = mk_name( $base_name, 'sq' ); |
303 | my $trigger_name = mk_name( $base_name, 'ai' ); |
16dc9970 |
304 | |
57f77285 |
305 | push @trigger_defs, |
44fcd0b5 |
306 | "CREATE SEQUENCE $seq_name;\n" . |
d529894e |
307 | "CREATE OR REPLACE TRIGGER $trigger_name\n" . |
308 | "BEFORE INSERT ON $table_name\n" . |
44fcd0b5 |
309 | "FOR EACH ROW WHEN (\n" . |
310 | " new.$field_name_ur IS NULL". |
311 | " OR new.$field_name_ur = 0\n". |
312 | ")\n". |
d529894e |
313 | "BEGIN\n" . |
44fcd0b5 |
314 | " SELECT $seq_name.nextval\n" . |
57f77285 |
315 | " INTO :new." . $field->name."\n" . |
16dc9970 |
316 | " FROM dual;\n" . |
44fcd0b5 |
317 | "END;\n/"; |
16dc9970 |
318 | ; |
319 | } |
320 | |
57f77285 |
321 | if ( lc $field->data_type eq 'timestamp' ) { |
44fcd0b5 |
322 | my $base_name = $table_name . "_". $field_name_ur; |
96844cae |
323 | my $trig_name = mk_name( $base_name, 'ts' ); |
57f77285 |
324 | push @trigger_defs, |
44fcd0b5 |
325 | "CREATE OR REPLACE TRIGGER $trig_name\n". |
326 | "BEFORE INSERT OR UPDATE ON $table_name_ur\n". |
b6ab0fe7 |
327 | "FOR EACH ROW WHEN (new.$field_name_ur IS NULL)\n". |
44fcd0b5 |
328 | "BEGIN \n". |
b6ab0fe7 |
329 | " SELECT sysdate INTO :new.$field_name_ur FROM dual;\n". |
44fcd0b5 |
330 | "END;\n/"; |
331 | } |
332 | |
57f77285 |
333 | push @field_defs, $field_def; |
f6195129 |
334 | |
335 | if ( my $comment = $field->comments ) { |
336 | push @field_comments, |
337 | "COMMENT ON COLUMN $table_name.$field_name_ur is\n '". |
ba3cb849 |
338 | $comment."';" unless $no_comments; |
f6195129 |
339 | } |
57f77285 |
340 | } |
341 | |
342 | # |
02c2af3b |
343 | # Table options |
344 | # |
345 | my @table_options; |
346 | for my $opt ( $table->options ) { |
347 | if ( ref $opt eq 'HASH' ) { |
348 | my ( $key, $value ) = each %$opt; |
349 | if ( ref $value eq 'ARRAY' ) { |
350 | push @table_options, "$key\n(\n". join ("\n", |
351 | map { " $_->[0]\t$_->[1]" } |
352 | map { [ each %$_ ] } |
353 | @$value |
354 | )."\n)"; |
355 | } |
356 | elsif ( !defined $value ) { |
357 | push @table_options, $key; |
358 | } |
359 | else { |
360 | push @table_options, "$key $value"; |
361 | } |
362 | } |
363 | } |
364 | |
365 | # |
57f77285 |
366 | # Table constraints |
367 | # |
57f77285 |
368 | for my $c ( $table->get_constraints ) { |
369 | my $name = $c->name || ''; |
370 | my @fields = map { unreserve( $_, $table_name ) } $c->fields; |
371 | my @rfields = map { unreserve( $_, $table_name ) } |
372 | $c->reference_fields; |
4dfb0380 |
373 | next if !@fields && $c->type ne CHECK_C; |
57f77285 |
374 | |
375 | if ( $c->type eq PRIMARY_KEY ) { |
376 | $name ||= mk_name( $table_name, 'pk' ); |
377 | push @constraint_defs, "CONSTRAINT $name PRIMARY KEY ". |
378 | '(' . join( ', ', @fields ) . ')'; |
379 | } |
380 | elsif ( $c->type eq UNIQUE ) { |
1c899510 |
381 | $name ||= mk_name( $table_name, 'u' ); |
57f77285 |
382 | push @constraint_defs, "CONSTRAINT $name UNIQUE " . |
383 | '(' . join( ', ', @fields ) . ')'; |
384 | } |
4dfb0380 |
385 | elsif ( $c->type eq CHECK_C ) { |
386 | $name ||= mk_name( $table_name, 'ck' ); |
387 | my $expression = $c->expression || ''; |
388 | push @constraint_defs, "CONSTRAINT $name CHECK ($expression)"; |
389 | } |
57f77285 |
390 | elsif ( $c->type eq FOREIGN_KEY ) { |
4dfb0380 |
391 | $name ||= mk_name( join('_', $table_name, $c->fields), 'fk' ); |
cd617ba8 |
392 | my $def = "CONSTRAINT $name FOREIGN KEY "; |
393 | |
394 | if ( @fields ) { |
1c899510 |
395 | $def .= '(' . join( ', ', @fields ) . ')'; |
cd617ba8 |
396 | } |
397 | |
1c899510 |
398 | my $ref_table = unreserve($c->reference_table); |
399 | |
400 | $def .= " REFERENCES $ref_table"; |
57f77285 |
401 | |
402 | if ( @rfields ) { |
403 | $def .= ' (' . join( ', ', @rfields ) . ')'; |
404 | } |
405 | |
406 | if ( $c->match_type ) { |
407 | $def .= ' MATCH ' . |
408 | ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL'; |
409 | } |
410 | |
411 | if ( $c->on_delete ) { |
412 | $def .= ' ON DELETE '.join( ' ', $c->on_delete ); |
413 | } |
414 | |
415 | if ( $c->on_update ) { |
416 | $def .= ' ON UPDATE '.join( ' ', $c->on_update ); |
417 | } |
418 | |
419 | push @constraint_defs, $def; |
420 | } |
16dc9970 |
421 | } |
422 | |
423 | # |
424 | # Index Declarations |
425 | # |
57f77285 |
426 | my @index_defs = (); |
57f77285 |
427 | for my $index ( $table->get_indices ) { |
428 | my $index_name = $index->name || ''; |
429 | my $index_type = $index->type || NORMAL; |
44fcd0b5 |
430 | my @fields = map { unreserve( $_, $table_name ) } |
57f77285 |
431 | $index->fields; |
44fcd0b5 |
432 | next unless @fields; |
16dc9970 |
433 | |
57f77285 |
434 | if ( $index_type eq PRIMARY_KEY ) { |
ab8802d7 |
435 | $index_name ||= mk_name( $table_name, 'pk' ); |
57f77285 |
436 | push @field_defs, 'CONSTRAINT '.$index_name.' PRIMARY KEY '. |
16dc9970 |
437 | '(' . join( ', ', @fields ) . ')'; |
438 | } |
57f77285 |
439 | elsif ( $index_type eq NORMAL ) { |
ab8802d7 |
440 | $index_name ||= mk_name( $table_name, $index_name || 'i' ); |
57f77285 |
441 | push @index_defs, |
da8e499e |
442 | "CREATE INDEX $index_name on $table_name_ur (". |
443 | join( ', ', @fields ). |
444 | ");"; |
16dc9970 |
445 | } |
16dc9970 |
446 | else { |
96844cae |
447 | warn "Unknown index type ($index_type) on table $table_name.\n" |
448 | if $WARN; |
16dc9970 |
449 | } |
450 | } |
451 | |
96844cae |
452 | my $create_statement; |
453 | $create_statement = "DROP TABLE $table_name_ur;\n" if $add_drop_table; |
9fc9bfb1 |
454 | |
455 | if ( my @table_comments = $table->comments ) { |
456 | for my $comment ( @table_comments ) { |
457 | next unless $comment; |
458 | push @field_comments, "COMMENT ON TABLE $table_name is\n '". |
ba3cb849 |
459 | $comment."';" unless $no_comments |
9fc9bfb1 |
460 | ; |
461 | } |
462 | } |
463 | |
02c2af3b |
464 | my $table_options = @table_options |
465 | ? "\n".join("\n", @table_options) : ''; |
9fc9bfb1 |
466 | $create_statement .= "CREATE TABLE $table_name_ur (\n" . |
57f77285 |
467 | join( ",\n", map { " $_" } @field_defs, @constraint_defs ) . |
02c2af3b |
468 | "\n)$table_options;" |
16dc9970 |
469 | ; |
470 | |
471 | $output .= join( "\n\n", |
472 | @comments, |
473 | $create_statement, |
57f77285 |
474 | @trigger_defs, |
475 | @index_defs, |
f6195129 |
476 | @field_comments, |
16dc9970 |
477 | '' |
478 | ); |
479 | } |
480 | |
96844cae |
481 | if ( $WARN ) { |
482 | if ( %truncated ) { |
483 | warn "Truncated " . keys( %truncated ) . " names:\n"; |
484 | warn "\t" . join( "\n\t", sort keys %truncated ) . "\n"; |
485 | } |
486 | |
487 | if ( %unreserve ) { |
488 | warn "Encounted " . keys( %unreserve ) . |
489 | " unsafe names in schema (reserved or invalid):\n"; |
490 | warn "\t" . join( "\n\t", sort keys %unreserve ) . "\n"; |
491 | } |
492 | } |
493 | |
d529894e |
494 | return $output; |
16dc9970 |
495 | } |
496 | |
d529894e |
497 | # ------------------------------------------------------------------- |
498 | sub mk_name { |
57f77285 |
499 | my $basename = shift || ''; |
500 | my $type = shift || ''; |
1c899510 |
501 | $type = '' if $type =~ /^\d/; |
57f77285 |
502 | my $scope = shift || ''; |
503 | my $critical = shift || ''; |
d529894e |
504 | my $basename_orig = $basename; |
f5087552 |
505 | my $max_name = $type |
506 | ? $max_id_length - (length($type) + 1) |
507 | : $max_id_length; |
96844cae |
508 | $basename = substr( $basename, 0, $max_name ) |
509 | if length( $basename ) > $max_name; |
d529894e |
510 | my $name = $type ? "${type}_$basename" : $basename; |
511 | |
512 | if ( $basename ne $basename_orig and $critical ) { |
513 | my $show_type = $type ? "+'$type'" : ""; |
514 | warn "Truncating '$basename_orig'$show_type to $max_id_length ", |
96844cae |
515 | "character limit to make '$name'\n" if $WARN; |
516 | $truncated{ $basename_orig } = $name; |
d529894e |
517 | } |
518 | |
519 | $scope ||= \%global_names; |
96844cae |
520 | if ( my $prev = $scope->{ $name } ) { |
521 | my $name_orig = $name; |
522 | $name .= sprintf( "%02d", ++$prev ); |
523 | substr($name, $max_id_length - 3) = "00" |
524 | if length( $name ) > $max_id_length; |
525 | |
526 | warn "The name '$name_orig' has been changed to ", |
527 | "'$name' to make it unique.\n" if $WARN; |
528 | |
529 | $scope->{ $name_orig }++; |
530 | } |
531 | |
532 | $scope->{ $name }++; |
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533 | return $name; |
534 | } |
535 | |
536 | # ------------------------------------------------------------------- |
537 | sub unreserve { |
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538 | my $name = shift || ''; |
539 | my $schema_obj_name = shift || ''; |
540 | |
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541 | my ( $suffix ) = ( $name =~ s/(\W.*)$// ) ? $1 : ''; |
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542 | |
543 | # also trap fields that don't begin with a letter |
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544 | return $name if !$ora_reserved{ uc $name } && $name =~ /^[a-z]/i; |
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545 | |
546 | if ( $schema_obj_name ) { |
547 | ++$unreserve{"$schema_obj_name.$name"}; |
548 | } |
549 | else { |
550 | ++$unreserve{"$name (table name)"}; |
551 | } |
552 | |
553 | my $unreserve = sprintf '%s_', $name; |
554 | return $unreserve.$suffix; |
555 | } |
556 | |
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557 | 1; |
558 | |
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559 | # ------------------------------------------------------------------- |
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560 | # All bad art is the result of good intentions. |
561 | # Oscar Wilde |
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562 | # ------------------------------------------------------------------- |
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563 | |
ba096dc4 |
564 | =pod |
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565 | |
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566 | =head1 CREDITS |
567 | |
ba096dc4 |
568 | Mad props to Tim Bunce for much of the logic stolen from his "mysql2ora" |
569 | script. |
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570 | |
571 | =head1 AUTHOR |
572 | |
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573 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt>. |
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574 | |
575 | =head1 SEE ALSO |
576 | |
ba096dc4 |
577 | SQL::Translator, DDL::Oracle, mysql2ora. |
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578 | |
579 | =cut |