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16dc9970 |
1 | package SQL::Translator::Producer::Oracle; |
2 | |
077ebf34 |
3 | # ------------------------------------------------------------------- |
977651a5 |
4 | # $Id: Oracle.pm,v 1.30 2004-02-09 23:02:15 kycl4rk Exp $ |
077ebf34 |
5 | # ------------------------------------------------------------------- |
977651a5 |
6 | # Copyright (C) 2002-4 SQLFairy Authors |
16dc9970 |
7 | # |
077ebf34 |
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 | |
ba096dc4 |
23 | =head1 NAME |
24 | |
25 | SQL::Translator::Producer::Oracle - Oracle SQL producer |
26 | |
27 | =head1 SYNOPSIS |
28 | |
29 | use SQL::Translator; |
30 | |
31 | my $t = SQL::Translator->new( parser => '...', producer => 'Oracle' ); |
32 | print $translator->translate( $file ); |
33 | |
34 | =head1 DESCRIPTION |
35 | |
36 | Creates an SQL DDL suitable for Oracle. |
37 | |
38 | =cut |
39 | |
16dc9970 |
40 | use strict; |
96844cae |
41 | use vars qw[ $VERSION $DEBUG $WARN ]; |
977651a5 |
42 | $VERSION = sprintf "%d.%02d", q$Revision: 1.30 $ =~ /(\d+)\.(\d+)/; |
d529894e |
43 | $DEBUG = 0 unless defined $DEBUG; |
16dc9970 |
44 | |
57f77285 |
45 | use SQL::Translator::Schema::Constants; |
5ee19df8 |
46 | use SQL::Translator::Utils qw(header_comment); |
47 | |
16dc9970 |
48 | my %translate = ( |
d529894e |
49 | # |
50 | # MySQL types |
51 | # |
16dc9970 |
52 | bigint => 'number', |
53 | double => 'number', |
54 | decimal => 'number', |
55 | float => 'number', |
56 | int => 'number', |
25966689 |
57 | integer => 'number', |
16dc9970 |
58 | mediumint => 'number', |
59 | smallint => 'number', |
60 | tinyint => 'number', |
16dc9970 |
61 | char => 'char', |
16dc9970 |
62 | varchar => 'varchar2', |
1f58ba76 |
63 | tinyblob => 'blob', |
64 | blob => 'blob', |
65 | mediumblob => 'blob', |
66 | longblob => 'blob', |
9fc9bfb1 |
67 | tinytext => 'varchar2', |
68 | text => 'clob', |
1f58ba76 |
69 | longtext => 'clob', |
70 | mediumtext => 'clob', |
16dc9970 |
71 | enum => 'varchar2', |
72 | set => 'varchar2', |
16dc9970 |
73 | date => 'date', |
74 | datetime => 'date', |
75 | time => 'date', |
76 | timestamp => 'date', |
77 | year => 'date', |
d529894e |
78 | |
79 | # |
80 | # PostgreSQL types |
81 | # |
57f77285 |
82 | numeric => 'number', |
83 | 'double precision' => 'number', |
84 | serial => 'number', |
85 | bigserial => 'number', |
86 | money => 'number', |
87 | character => 'char', |
88 | 'character varying' => 'varchar2', |
89 | bytea => 'BLOB', |
90 | interval => 'number', |
91 | boolean => 'number', |
92 | point => 'number', |
93 | line => 'number', |
94 | lseg => 'number', |
95 | box => 'number', |
96 | path => 'number', |
97 | polygon => 'number', |
98 | circle => 'number', |
99 | cidr => 'number', |
100 | inet => 'varchar2', |
101 | macaddr => 'varchar2', |
102 | bit => 'number', |
103 | 'bit varying' => 'number', |
ab8802d7 |
104 | |
105 | # |
106 | # Oracle types |
107 | # |
108 | number => 'number', |
109 | varchar2 => 'varchar2', |
110 | long => 'clob', |
d529894e |
111 | ); |
112 | |
113 | # |
114 | # Oracle reserved words from: |
115 | # http://technet.oracle.com/docs/products/oracle8i/doc_library/\ |
116 | # 817_doc/server.817/a85397/ap_keywd.htm |
117 | # |
96844cae |
118 | my %ora_reserved = map { $_, 1 } qw( |
d529894e |
119 | ACCESS ADD ALL ALTER AND ANY AS ASC AUDIT |
120 | BETWEEN BY |
121 | CHAR CHECK CLUSTER COLUMN COMMENT COMPRESS CONNECT CREATE CURRENT |
122 | DATE DECIMAL DEFAULT DELETE DESC DISTINCT DROP |
123 | ELSE EXCLUSIVE EXISTS |
124 | FILE FLOAT FOR FROM |
125 | GRANT GROUP |
126 | HAVING |
127 | IDENTIFIED IMMEDIATE IN INCREMENT INDEX INITIAL INSERT |
128 | INTEGER INTERSECT INTO IS |
129 | LEVEL LIKE LOCK LONG |
130 | MAXEXTENTS MINUS MLSLABEL MODE MODIFY |
131 | NOAUDIT NOCOMPRESS NOT NOWAIT NULL NUMBER |
132 | OF OFFLINE ON ONLINE OPTION OR ORDER |
133 | PCTFREE PRIOR PRIVILEGES PUBLIC |
134 | RAW RENAME RESOURCE REVOKE ROW ROWID ROWNUM ROWS |
135 | SELECT SESSION SET SHARE SIZE SMALLINT START |
136 | SUCCESSFUL SYNONYM SYSDATE |
137 | TABLE THEN TO TRIGGER |
138 | UID UNION UNIQUE UPDATE USER |
139 | VALIDATE VALUES VARCHAR VARCHAR2 VIEW |
140 | WHENEVER WHERE WITH |
16dc9970 |
141 | ); |
142 | |
96844cae |
143 | my $max_id_length = 30; |
144 | my %used_identifiers = (); |
d529894e |
145 | my %global_names; |
146 | my %unreserve; |
147 | my %truncated; |
16dc9970 |
148 | |
96844cae |
149 | # ------------------------------------------------------------------- |
077ebf34 |
150 | sub produce { |
a1d94525 |
151 | my $translator = shift; |
152 | $DEBUG = $translator->debug; |
153 | $WARN = $translator->show_warnings; |
154 | my $no_comments = $translator->no_comments; |
155 | my $add_drop_table = $translator->add_drop_table; |
156 | my $schema = $translator->schema; |
d529894e |
157 | my $output; |
44fcd0b5 |
158 | |
5ee19df8 |
159 | $output .= header_comment unless ($no_comments); |
077ebf34 |
160 | |
d529894e |
161 | if ( $translator->parser_type =~ /mysql/i ) { |
162 | $output .= |
ba3cb849 |
163 | "-- We assume that default NLS_DATE_FORMAT has been changed\n". |
164 | "-- but we set it here anyway to be self-consistent.\n" |
165 | unless $no_comments; |
166 | |
167 | $output .= |
d529894e |
168 | "ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS';\n\n"; |
169 | } |
16dc9970 |
170 | |
171 | # |
172 | # Print create for each table |
173 | # |
57f77285 |
174 | for my $table ( $schema->get_tables ) { |
175 | my $table_name = $table->name or next; |
44fcd0b5 |
176 | $table_name = mk_name( $table_name, '', undef, 1 ); |
57f77285 |
177 | my $table_name_ur = unreserve($table_name) or next; |
16dc9970 |
178 | |
57f77285 |
179 | my ( @comments, @field_defs, @trigger_defs, @constraint_defs ); |
16dc9970 |
180 | |
44fcd0b5 |
181 | push @comments, "--\n-- Table: $table_name_ur\n--" unless $no_comments; |
16dc9970 |
182 | |
f6195129 |
183 | my ( %field_name_scope, @field_comments ); |
57f77285 |
184 | for my $field ( $table->get_fields ) { |
16dc9970 |
185 | # |
186 | # Field name |
187 | # |
44fcd0b5 |
188 | my $field_name = mk_name( |
57f77285 |
189 | $field->name, '', \%field_name_scope, 1 |
44fcd0b5 |
190 | ); |
191 | my $field_name_ur = unreserve( $field_name, $table_name ); |
57f77285 |
192 | my $field_def = $field_name_ur; |
16dc9970 |
193 | |
194 | # |
195 | # Datatype |
196 | # |
44fcd0b5 |
197 | my $check; |
57f77285 |
198 | my $data_type = lc $field->data_type; |
199 | my @size = $field->size; |
200 | my %extra = $field->extra; |
201 | my $list = $extra{'list'} || []; |
77d74ea6 |
202 | # \todo deal with embedded quotes |
e6f063bd |
203 | my $commalist = join( ', ', map { qq['$_'] } @$list ); |
44fcd0b5 |
204 | |
205 | if ( $data_type eq 'enum' ) { |
1f58ba76 |
206 | $check = "CHECK ($field_name_ur IN ($commalist))"; |
57f77285 |
207 | $data_type = 'varchar2'; |
44fcd0b5 |
208 | } |
209 | elsif ( $data_type eq 'set' ) { |
210 | # XXX add a CHECK constraint maybe |
211 | # (trickier and slower, than enum :) |
57f77285 |
212 | $data_type = 'varchar2'; |
44fcd0b5 |
213 | } |
214 | else { |
215 | $data_type = defined $translate{ $data_type } ? |
216 | $translate{ $data_type } : |
0a91d33e |
217 | $data_type; |
218 | $data_type ||= 'varchar2'; |
44fcd0b5 |
219 | } |
1f58ba76 |
220 | |
e6f063bd |
221 | # |
222 | # Fixes ORA-02329: column of datatype LOB cannot be |
223 | # unique or a primary key |
224 | # |
1f58ba76 |
225 | if ( $data_type eq 'clob' && $field->is_primary_key ) { |
226 | $data_type = 'varchar2'; |
9fc9bfb1 |
227 | $size[0] = 4000; |
e6f063bd |
228 | warn "CLOB cannot be a primary key, changing to VARCHAR2\n" |
229 | if $WARN; |
1f58ba76 |
230 | } |
231 | |
9fc9bfb1 |
232 | # |
1f58ba76 |
233 | # Fixes ORA-00907: missing right parenthesis |
9fc9bfb1 |
234 | # |
235 | if ( $data_type =~ /(date|clob)/i ) { |
1f58ba76 |
236 | undef @size; |
237 | } |
16dc9970 |
238 | |
57f77285 |
239 | $field_def .= " $data_type"; |
240 | if ( defined $size[0] && $size[0] > 0 ) { |
241 | $field_def .= '(' . join( ', ', @size ) . ')'; |
242 | } |
1f58ba76 |
243 | |
16dc9970 |
244 | # |
245 | # Default value |
246 | # |
57f77285 |
247 | my $default = $field->default_value; |
248 | if ( defined $default ) { |
1c899510 |
249 | # |
250 | # Wherein we try to catch a string being used as |
251 | # a default value for a numerical field. If "true/false," |
252 | # then sub "1/0," otherwise just test the truthity of the |
253 | # argument and use that (naive?). |
254 | # |
ab8802d7 |
255 | if ( |
256 | $data_type =~ /^number$/i && |
257 | $default !~ /^\d+$/ && |
258 | $default !~ m/null/i |
259 | ) { |
1c899510 |
260 | if ( $default =~ /^true$/i ) { |
261 | $default = "'1'"; |
262 | } |
263 | elsif ( $default =~ /^false$/i ) { |
264 | $default = "'0'"; |
265 | } |
266 | else { |
267 | $default = $default ? "'1'" : "'0'"; |
268 | } |
269 | } |
270 | elsif ( |
b0c196d4 |
271 | $data_type =~ /date/ && ( |
272 | $default eq 'current_timestamp' |
273 | || |
274 | $default eq 'now()' |
275 | ) |
1c899510 |
276 | ) { |
277 | $default = 'SYSDATE'; |
278 | } |
279 | else { |
280 | $default = $default =~ m/null/i ? 'NULL' : "'$default'" |
281 | } |
282 | |
283 | $field_def .= " DEFAULT $default", |
16dc9970 |
284 | } |
285 | |
286 | # |
287 | # Not null constraint |
288 | # |
57f77285 |
289 | unless ( $field->is_nullable ) { |
02c2af3b |
290 | $field_def .= ' NOT NULL'; |
16dc9970 |
291 | } |
292 | |
57f77285 |
293 | $field_def .= " $check" if $check; |
44fcd0b5 |
294 | |
16dc9970 |
295 | # |
296 | # Auto_increment |
297 | # |
57f77285 |
298 | if ( $field->is_auto_increment ) { |
44fcd0b5 |
299 | my $base_name = $table_name . "_". $field_name; |
300 | my $seq_name = mk_name( $base_name, 'sq' ); |
301 | my $trigger_name = mk_name( $base_name, 'ai' ); |
16dc9970 |
302 | |
57f77285 |
303 | push @trigger_defs, |
44fcd0b5 |
304 | "CREATE SEQUENCE $seq_name;\n" . |
d529894e |
305 | "CREATE OR REPLACE TRIGGER $trigger_name\n" . |
b0c196d4 |
306 | "BEFORE INSERT ON $table_name_ur\n" . |
44fcd0b5 |
307 | "FOR EACH ROW WHEN (\n" . |
308 | " new.$field_name_ur IS NULL". |
309 | " OR new.$field_name_ur = 0\n". |
310 | ")\n". |
d529894e |
311 | "BEGIN\n" . |
44fcd0b5 |
312 | " SELECT $seq_name.nextval\n" . |
57f77285 |
313 | " INTO :new." . $field->name."\n" . |
16dc9970 |
314 | " FROM dual;\n" . |
44fcd0b5 |
315 | "END;\n/"; |
16dc9970 |
316 | ; |
317 | } |
318 | |
57f77285 |
319 | if ( lc $field->data_type eq 'timestamp' ) { |
44fcd0b5 |
320 | my $base_name = $table_name . "_". $field_name_ur; |
96844cae |
321 | my $trig_name = mk_name( $base_name, 'ts' ); |
57f77285 |
322 | push @trigger_defs, |
44fcd0b5 |
323 | "CREATE OR REPLACE TRIGGER $trig_name\n". |
324 | "BEFORE INSERT OR UPDATE ON $table_name_ur\n". |
b6ab0fe7 |
325 | "FOR EACH ROW WHEN (new.$field_name_ur IS NULL)\n". |
44fcd0b5 |
326 | "BEGIN \n". |
b6ab0fe7 |
327 | " SELECT sysdate INTO :new.$field_name_ur FROM dual;\n". |
44fcd0b5 |
328 | "END;\n/"; |
329 | } |
330 | |
57f77285 |
331 | push @field_defs, $field_def; |
f6195129 |
332 | |
333 | if ( my $comment = $field->comments ) { |
334 | push @field_comments, |
335 | "COMMENT ON COLUMN $table_name.$field_name_ur is\n '". |
ba3cb849 |
336 | $comment."';" unless $no_comments; |
f6195129 |
337 | } |
57f77285 |
338 | } |
339 | |
340 | # |
02c2af3b |
341 | # Table options |
342 | # |
343 | my @table_options; |
344 | for my $opt ( $table->options ) { |
345 | if ( ref $opt eq 'HASH' ) { |
346 | my ( $key, $value ) = each %$opt; |
347 | if ( ref $value eq 'ARRAY' ) { |
348 | push @table_options, "$key\n(\n". join ("\n", |
349 | map { " $_->[0]\t$_->[1]" } |
350 | map { [ each %$_ ] } |
351 | @$value |
352 | )."\n)"; |
353 | } |
354 | elsif ( !defined $value ) { |
355 | push @table_options, $key; |
356 | } |
357 | else { |
358 | push @table_options, "$key $value"; |
359 | } |
360 | } |
361 | } |
362 | |
363 | # |
57f77285 |
364 | # Table constraints |
365 | # |
57f77285 |
366 | for my $c ( $table->get_constraints ) { |
367 | my $name = $c->name || ''; |
368 | my @fields = map { unreserve( $_, $table_name ) } $c->fields; |
369 | my @rfields = map { unreserve( $_, $table_name ) } |
370 | $c->reference_fields; |
4dfb0380 |
371 | next if !@fields && $c->type ne CHECK_C; |
57f77285 |
372 | |
373 | if ( $c->type eq PRIMARY_KEY ) { |
374 | $name ||= mk_name( $table_name, 'pk' ); |
375 | push @constraint_defs, "CONSTRAINT $name PRIMARY KEY ". |
376 | '(' . join( ', ', @fields ) . ')'; |
377 | } |
378 | elsif ( $c->type eq UNIQUE ) { |
1c899510 |
379 | $name ||= mk_name( $table_name, 'u' ); |
b0c196d4 |
380 | for my $f ( $c->fields ) { |
381 | my $field_def = $table->get_field( $f ) or next; |
382 | my $dtype = $translate{ $field_def->data_type } or next; |
383 | if ( $WARN && $dtype =~ /clob/i ) { |
384 | warn "Oracle will not allow UNIQUE constraints on " . |
385 | "CLOB field '" . $field_def->table->name . '.' . |
386 | $field_def->name . ".'\n" |
387 | } |
388 | } |
57f77285 |
389 | push @constraint_defs, "CONSTRAINT $name UNIQUE " . |
390 | '(' . join( ', ', @fields ) . ')'; |
391 | } |
4dfb0380 |
392 | elsif ( $c->type eq CHECK_C ) { |
393 | $name ||= mk_name( $table_name, 'ck' ); |
394 | my $expression = $c->expression || ''; |
395 | push @constraint_defs, "CONSTRAINT $name CHECK ($expression)"; |
396 | } |
57f77285 |
397 | elsif ( $c->type eq FOREIGN_KEY ) { |
4dfb0380 |
398 | $name ||= mk_name( join('_', $table_name, $c->fields), 'fk' ); |
cd617ba8 |
399 | my $def = "CONSTRAINT $name FOREIGN KEY "; |
400 | |
401 | if ( @fields ) { |
1c899510 |
402 | $def .= '(' . join( ', ', @fields ) . ')'; |
cd617ba8 |
403 | } |
404 | |
1c899510 |
405 | my $ref_table = unreserve($c->reference_table); |
406 | |
407 | $def .= " REFERENCES $ref_table"; |
57f77285 |
408 | |
409 | if ( @rfields ) { |
410 | $def .= ' (' . join( ', ', @rfields ) . ')'; |
411 | } |
412 | |
413 | if ( $c->match_type ) { |
414 | $def .= ' MATCH ' . |
415 | ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL'; |
416 | } |
417 | |
418 | if ( $c->on_delete ) { |
419 | $def .= ' ON DELETE '.join( ' ', $c->on_delete ); |
420 | } |
421 | |
422 | if ( $c->on_update ) { |
423 | $def .= ' ON UPDATE '.join( ' ', $c->on_update ); |
424 | } |
425 | |
426 | push @constraint_defs, $def; |
427 | } |
16dc9970 |
428 | } |
429 | |
430 | # |
431 | # Index Declarations |
432 | # |
57f77285 |
433 | my @index_defs = (); |
57f77285 |
434 | for my $index ( $table->get_indices ) { |
435 | my $index_name = $index->name || ''; |
436 | my $index_type = $index->type || NORMAL; |
44fcd0b5 |
437 | my @fields = map { unreserve( $_, $table_name ) } |
57f77285 |
438 | $index->fields; |
44fcd0b5 |
439 | next unless @fields; |
16dc9970 |
440 | |
57f77285 |
441 | if ( $index_type eq PRIMARY_KEY ) { |
ab8802d7 |
442 | $index_name ||= mk_name( $table_name, 'pk' ); |
57f77285 |
443 | push @field_defs, 'CONSTRAINT '.$index_name.' PRIMARY KEY '. |
16dc9970 |
444 | '(' . join( ', ', @fields ) . ')'; |
445 | } |
57f77285 |
446 | elsif ( $index_type eq NORMAL ) { |
ab8802d7 |
447 | $index_name ||= mk_name( $table_name, $index_name || 'i' ); |
57f77285 |
448 | push @index_defs, |
da8e499e |
449 | "CREATE INDEX $index_name on $table_name_ur (". |
450 | join( ', ', @fields ). |
451 | ");"; |
16dc9970 |
452 | } |
16dc9970 |
453 | else { |
96844cae |
454 | warn "Unknown index type ($index_type) on table $table_name.\n" |
455 | if $WARN; |
16dc9970 |
456 | } |
457 | } |
458 | |
96844cae |
459 | my $create_statement; |
460 | $create_statement = "DROP TABLE $table_name_ur;\n" if $add_drop_table; |
9fc9bfb1 |
461 | |
462 | if ( my @table_comments = $table->comments ) { |
463 | for my $comment ( @table_comments ) { |
464 | next unless $comment; |
465 | push @field_comments, "COMMENT ON TABLE $table_name is\n '". |
ba3cb849 |
466 | $comment."';" unless $no_comments |
9fc9bfb1 |
467 | ; |
468 | } |
469 | } |
470 | |
02c2af3b |
471 | my $table_options = @table_options |
472 | ? "\n".join("\n", @table_options) : ''; |
9fc9bfb1 |
473 | $create_statement .= "CREATE TABLE $table_name_ur (\n" . |
57f77285 |
474 | join( ",\n", map { " $_" } @field_defs, @constraint_defs ) . |
02c2af3b |
475 | "\n)$table_options;" |
16dc9970 |
476 | ; |
477 | |
478 | $output .= join( "\n\n", |
479 | @comments, |
480 | $create_statement, |
57f77285 |
481 | @trigger_defs, |
482 | @index_defs, |
f6195129 |
483 | @field_comments, |
16dc9970 |
484 | '' |
485 | ); |
486 | } |
487 | |
96844cae |
488 | if ( $WARN ) { |
489 | if ( %truncated ) { |
490 | warn "Truncated " . keys( %truncated ) . " names:\n"; |
491 | warn "\t" . join( "\n\t", sort keys %truncated ) . "\n"; |
492 | } |
493 | |
494 | if ( %unreserve ) { |
495 | warn "Encounted " . keys( %unreserve ) . |
496 | " unsafe names in schema (reserved or invalid):\n"; |
497 | warn "\t" . join( "\n\t", sort keys %unreserve ) . "\n"; |
498 | } |
499 | } |
500 | |
d529894e |
501 | return $output; |
16dc9970 |
502 | } |
503 | |
d529894e |
504 | # ------------------------------------------------------------------- |
505 | sub mk_name { |
57f77285 |
506 | my $basename = shift || ''; |
507 | my $type = shift || ''; |
1c899510 |
508 | $type = '' if $type =~ /^\d/; |
57f77285 |
509 | my $scope = shift || ''; |
510 | my $critical = shift || ''; |
d529894e |
511 | my $basename_orig = $basename; |
f5087552 |
512 | my $max_name = $type |
513 | ? $max_id_length - (length($type) + 1) |
514 | : $max_id_length; |
96844cae |
515 | $basename = substr( $basename, 0, $max_name ) |
516 | if length( $basename ) > $max_name; |
d529894e |
517 | my $name = $type ? "${type}_$basename" : $basename; |
518 | |
519 | if ( $basename ne $basename_orig and $critical ) { |
520 | my $show_type = $type ? "+'$type'" : ""; |
521 | warn "Truncating '$basename_orig'$show_type to $max_id_length ", |
96844cae |
522 | "character limit to make '$name'\n" if $WARN; |
523 | $truncated{ $basename_orig } = $name; |
d529894e |
524 | } |
525 | |
526 | $scope ||= \%global_names; |
96844cae |
527 | if ( my $prev = $scope->{ $name } ) { |
528 | my $name_orig = $name; |
529 | $name .= sprintf( "%02d", ++$prev ); |
530 | substr($name, $max_id_length - 3) = "00" |
531 | if length( $name ) > $max_id_length; |
532 | |
533 | warn "The name '$name_orig' has been changed to ", |
534 | "'$name' to make it unique.\n" if $WARN; |
535 | |
536 | $scope->{ $name_orig }++; |
537 | } |
538 | |
539 | $scope->{ $name }++; |
d529894e |
540 | return $name; |
541 | } |
542 | |
543 | # ------------------------------------------------------------------- |
544 | sub unreserve { |
57f77285 |
545 | my $name = shift || ''; |
546 | my $schema_obj_name = shift || ''; |
547 | |
96844cae |
548 | my ( $suffix ) = ( $name =~ s/(\W.*)$// ) ? $1 : ''; |
d529894e |
549 | |
550 | # also trap fields that don't begin with a letter |
57f77285 |
551 | return $name if !$ora_reserved{ uc $name } && $name =~ /^[a-z]/i; |
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552 | |
553 | if ( $schema_obj_name ) { |
554 | ++$unreserve{"$schema_obj_name.$name"}; |
555 | } |
556 | else { |
557 | ++$unreserve{"$name (table name)"}; |
558 | } |
559 | |
560 | my $unreserve = sprintf '%s_', $name; |
561 | return $unreserve.$suffix; |
562 | } |
563 | |
16dc9970 |
564 | 1; |
565 | |
d529894e |
566 | # ------------------------------------------------------------------- |
16dc9970 |
567 | # All bad art is the result of good intentions. |
568 | # Oscar Wilde |
d529894e |
569 | # ------------------------------------------------------------------- |
16dc9970 |
570 | |
ba096dc4 |
571 | =pod |
16dc9970 |
572 | |
d529894e |
573 | =head1 CREDITS |
574 | |
ba096dc4 |
575 | Mad props to Tim Bunce for much of the logic stolen from his "mysql2ora" |
576 | script. |
16dc9970 |
577 | |
578 | =head1 AUTHOR |
579 | |
ba096dc4 |
580 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt>. |
16dc9970 |
581 | |
582 | =head1 SEE ALSO |
583 | |
ba096dc4 |
584 | SQL::Translator, DDL::Oracle, mysql2ora. |
16dc9970 |
585 | |
586 | =cut |