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1 | package SQL::Translator::Producer::Oracle; |
2 | |
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3 | # ------------------------------------------------------------------- |
02c2af3b |
4 | # $Id: Oracle.pm,v 1.25 2003-10-04 01:21:10 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 | |
16dc9970 |
25 | use strict; |
96844cae |
26 | use vars qw[ $VERSION $DEBUG $WARN ]; |
02c2af3b |
27 | $VERSION = sprintf "%d.%02d", q$Revision: 1.25 $ =~ /(\d+)\.(\d+)/; |
d529894e |
28 | $DEBUG = 0 unless defined $DEBUG; |
16dc9970 |
29 | |
57f77285 |
30 | use SQL::Translator::Schema::Constants; |
5ee19df8 |
31 | use SQL::Translator::Utils qw(header_comment); |
32 | |
16dc9970 |
33 | my %translate = ( |
d529894e |
34 | # |
35 | # MySQL types |
36 | # |
16dc9970 |
37 | bigint => 'number', |
38 | double => 'number', |
39 | decimal => 'number', |
40 | float => 'number', |
41 | int => 'number', |
25966689 |
42 | integer => 'number', |
16dc9970 |
43 | mediumint => 'number', |
44 | smallint => 'number', |
45 | tinyint => 'number', |
16dc9970 |
46 | char => 'char', |
16dc9970 |
47 | varchar => 'varchar2', |
1f58ba76 |
48 | tinyblob => 'blob', |
49 | blob => 'blob', |
50 | mediumblob => 'blob', |
51 | longblob => 'blob', |
9fc9bfb1 |
52 | tinytext => 'varchar2', |
53 | text => 'clob', |
1f58ba76 |
54 | longtext => 'clob', |
55 | mediumtext => 'clob', |
16dc9970 |
56 | enum => 'varchar2', |
57 | set => 'varchar2', |
16dc9970 |
58 | date => 'date', |
59 | datetime => 'date', |
60 | time => 'date', |
61 | timestamp => 'date', |
62 | year => 'date', |
d529894e |
63 | |
64 | # |
65 | # PostgreSQL types |
66 | # |
57f77285 |
67 | numeric => 'number', |
68 | 'double precision' => 'number', |
69 | serial => 'number', |
70 | bigserial => 'number', |
71 | money => 'number', |
72 | character => 'char', |
73 | 'character varying' => 'varchar2', |
74 | bytea => 'BLOB', |
75 | interval => 'number', |
76 | boolean => 'number', |
77 | point => 'number', |
78 | line => 'number', |
79 | lseg => 'number', |
80 | box => 'number', |
81 | path => 'number', |
82 | polygon => 'number', |
83 | circle => 'number', |
84 | cidr => 'number', |
85 | inet => 'varchar2', |
86 | macaddr => 'varchar2', |
87 | bit => 'number', |
88 | 'bit varying' => 'number', |
ab8802d7 |
89 | |
90 | # |
91 | # Oracle types |
92 | # |
93 | number => 'number', |
94 | varchar2 => 'varchar2', |
95 | long => 'clob', |
d529894e |
96 | ); |
97 | |
98 | # |
99 | # Oracle reserved words from: |
100 | # http://technet.oracle.com/docs/products/oracle8i/doc_library/\ |
101 | # 817_doc/server.817/a85397/ap_keywd.htm |
102 | # |
96844cae |
103 | my %ora_reserved = map { $_, 1 } qw( |
d529894e |
104 | ACCESS ADD ALL ALTER AND ANY AS ASC AUDIT |
105 | BETWEEN BY |
106 | CHAR CHECK CLUSTER COLUMN COMMENT COMPRESS CONNECT CREATE CURRENT |
107 | DATE DECIMAL DEFAULT DELETE DESC DISTINCT DROP |
108 | ELSE EXCLUSIVE EXISTS |
109 | FILE FLOAT FOR FROM |
110 | GRANT GROUP |
111 | HAVING |
112 | IDENTIFIED IMMEDIATE IN INCREMENT INDEX INITIAL INSERT |
113 | INTEGER INTERSECT INTO IS |
114 | LEVEL LIKE LOCK LONG |
115 | MAXEXTENTS MINUS MLSLABEL MODE MODIFY |
116 | NOAUDIT NOCOMPRESS NOT NOWAIT NULL NUMBER |
117 | OF OFFLINE ON ONLINE OPTION OR ORDER |
118 | PCTFREE PRIOR PRIVILEGES PUBLIC |
119 | RAW RENAME RESOURCE REVOKE ROW ROWID ROWNUM ROWS |
120 | SELECT SESSION SET SHARE SIZE SMALLINT START |
121 | SUCCESSFUL SYNONYM SYSDATE |
122 | TABLE THEN TO TRIGGER |
123 | UID UNION UNIQUE UPDATE USER |
124 | VALIDATE VALUES VARCHAR VARCHAR2 VIEW |
125 | WHENEVER WHERE WITH |
16dc9970 |
126 | ); |
127 | |
96844cae |
128 | my $max_id_length = 30; |
129 | my %used_identifiers = (); |
d529894e |
130 | my %global_names; |
131 | my %unreserve; |
132 | my %truncated; |
16dc9970 |
133 | |
96844cae |
134 | # ------------------------------------------------------------------- |
077ebf34 |
135 | sub produce { |
a1d94525 |
136 | my $translator = shift; |
137 | $DEBUG = $translator->debug; |
138 | $WARN = $translator->show_warnings; |
139 | my $no_comments = $translator->no_comments; |
140 | my $add_drop_table = $translator->add_drop_table; |
141 | my $schema = $translator->schema; |
d529894e |
142 | my $output; |
44fcd0b5 |
143 | |
5ee19df8 |
144 | $output .= header_comment unless ($no_comments); |
077ebf34 |
145 | |
d529894e |
146 | if ( $translator->parser_type =~ /mysql/i ) { |
147 | $output .= |
148 | "-- We assume that default NLS_DATE_FORMAT has been changed\n". |
149 | "-- but we set it here anyway to be self-consistent.\n". |
150 | "ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS';\n\n"; |
151 | } |
16dc9970 |
152 | |
153 | # |
154 | # Print create for each table |
155 | # |
57f77285 |
156 | for my $table ( $schema->get_tables ) { |
157 | my $table_name = $table->name or next; |
44fcd0b5 |
158 | $table_name = mk_name( $table_name, '', undef, 1 ); |
57f77285 |
159 | my $table_name_ur = unreserve($table_name) or next; |
16dc9970 |
160 | |
57f77285 |
161 | my ( @comments, @field_defs, @trigger_defs, @constraint_defs ); |
16dc9970 |
162 | |
44fcd0b5 |
163 | push @comments, "--\n-- Table: $table_name_ur\n--" unless $no_comments; |
16dc9970 |
164 | |
f6195129 |
165 | my ( %field_name_scope, @field_comments ); |
57f77285 |
166 | for my $field ( $table->get_fields ) { |
16dc9970 |
167 | # |
168 | # Field name |
169 | # |
44fcd0b5 |
170 | my $field_name = mk_name( |
57f77285 |
171 | $field->name, '', \%field_name_scope, 1 |
44fcd0b5 |
172 | ); |
173 | my $field_name_ur = unreserve( $field_name, $table_name ); |
57f77285 |
174 | my $field_def = $field_name_ur; |
16dc9970 |
175 | |
176 | # |
177 | # Datatype |
178 | # |
44fcd0b5 |
179 | my $check; |
57f77285 |
180 | my $data_type = lc $field->data_type; |
181 | my @size = $field->size; |
182 | my %extra = $field->extra; |
183 | my $list = $extra{'list'} || []; |
77d74ea6 |
184 | # \todo deal with embedded quotes |
e6f063bd |
185 | my $commalist = join( ', ', map { qq['$_'] } @$list ); |
44fcd0b5 |
186 | |
187 | if ( $data_type eq 'enum' ) { |
1f58ba76 |
188 | $check = "CHECK ($field_name_ur IN ($commalist))"; |
57f77285 |
189 | $data_type = 'varchar2'; |
44fcd0b5 |
190 | } |
191 | elsif ( $data_type eq 'set' ) { |
192 | # XXX add a CHECK constraint maybe |
193 | # (trickier and slower, than enum :) |
57f77285 |
194 | $data_type = 'varchar2'; |
44fcd0b5 |
195 | } |
196 | else { |
197 | $data_type = defined $translate{ $data_type } ? |
198 | $translate{ $data_type } : |
199 | die "Unknown datatype: $data_type\n"; |
44fcd0b5 |
200 | } |
1f58ba76 |
201 | |
e6f063bd |
202 | # |
203 | # Fixes ORA-02329: column of datatype LOB cannot be |
204 | # unique or a primary key |
205 | # |
1f58ba76 |
206 | if ( $data_type eq 'clob' && $field->is_primary_key ) { |
207 | $data_type = 'varchar2'; |
9fc9bfb1 |
208 | $size[0] = 4000; |
e6f063bd |
209 | warn "CLOB cannot be a primary key, changing to VARCHAR2\n" |
210 | if $WARN; |
1f58ba76 |
211 | } |
212 | |
9fc9bfb1 |
213 | # |
1f58ba76 |
214 | # Fixes ORA-00907: missing right parenthesis |
9fc9bfb1 |
215 | # |
216 | if ( $data_type =~ /(date|clob)/i ) { |
1f58ba76 |
217 | undef @size; |
218 | } |
16dc9970 |
219 | |
57f77285 |
220 | $field_def .= " $data_type"; |
221 | if ( defined $size[0] && $size[0] > 0 ) { |
222 | $field_def .= '(' . join( ', ', @size ) . ')'; |
223 | } |
1f58ba76 |
224 | |
16dc9970 |
225 | # |
226 | # Default value |
227 | # |
57f77285 |
228 | my $default = $field->default_value; |
229 | if ( defined $default ) { |
1c899510 |
230 | # |
231 | # Wherein we try to catch a string being used as |
232 | # a default value for a numerical field. If "true/false," |
233 | # then sub "1/0," otherwise just test the truthity of the |
234 | # argument and use that (naive?). |
235 | # |
ab8802d7 |
236 | if ( |
237 | $data_type =~ /^number$/i && |
238 | $default !~ /^\d+$/ && |
239 | $default !~ m/null/i |
240 | ) { |
1c899510 |
241 | if ( $default =~ /^true$/i ) { |
242 | $default = "'1'"; |
243 | } |
244 | elsif ( $default =~ /^false$/i ) { |
245 | $default = "'0'"; |
246 | } |
247 | else { |
248 | $default = $default ? "'1'" : "'0'"; |
249 | } |
250 | } |
251 | elsif ( |
252 | $data_type =~ /date/ && $default eq 'current_timestamp' |
253 | ) { |
254 | $default = 'SYSDATE'; |
255 | } |
256 | else { |
257 | $default = $default =~ m/null/i ? 'NULL' : "'$default'" |
258 | } |
259 | |
260 | $field_def .= " DEFAULT $default", |
16dc9970 |
261 | } |
262 | |
263 | # |
264 | # Not null constraint |
265 | # |
57f77285 |
266 | unless ( $field->is_nullable ) { |
02c2af3b |
267 | # my $constraint_name = mk_name( |
268 | # join('_', $table_name_ur, $field_name_ur ), 'nn' |
269 | # ); |
270 | # $field_def .= ' CONSTRAINT ' . $constraint_name . ' NOT NULL'; |
271 | $field_def .= ' NOT NULL'; |
16dc9970 |
272 | } |
273 | |
57f77285 |
274 | $field_def .= " $check" if $check; |
44fcd0b5 |
275 | |
16dc9970 |
276 | # |
277 | # Auto_increment |
278 | # |
57f77285 |
279 | if ( $field->is_auto_increment ) { |
44fcd0b5 |
280 | my $base_name = $table_name . "_". $field_name; |
281 | my $seq_name = mk_name( $base_name, 'sq' ); |
282 | my $trigger_name = mk_name( $base_name, 'ai' ); |
16dc9970 |
283 | |
57f77285 |
284 | push @trigger_defs, |
44fcd0b5 |
285 | "CREATE SEQUENCE $seq_name;\n" . |
d529894e |
286 | "CREATE OR REPLACE TRIGGER $trigger_name\n" . |
287 | "BEFORE INSERT ON $table_name\n" . |
44fcd0b5 |
288 | "FOR EACH ROW WHEN (\n" . |
289 | " new.$field_name_ur IS NULL". |
290 | " OR new.$field_name_ur = 0\n". |
291 | ")\n". |
d529894e |
292 | "BEGIN\n" . |
44fcd0b5 |
293 | " SELECT $seq_name.nextval\n" . |
57f77285 |
294 | " INTO :new." . $field->name."\n" . |
16dc9970 |
295 | " FROM dual;\n" . |
44fcd0b5 |
296 | "END;\n/"; |
16dc9970 |
297 | ; |
298 | } |
299 | |
57f77285 |
300 | if ( lc $field->data_type eq 'timestamp' ) { |
44fcd0b5 |
301 | my $base_name = $table_name . "_". $field_name_ur; |
96844cae |
302 | my $trig_name = mk_name( $base_name, 'ts' ); |
57f77285 |
303 | push @trigger_defs, |
44fcd0b5 |
304 | "CREATE OR REPLACE TRIGGER $trig_name\n". |
305 | "BEFORE INSERT OR UPDATE ON $table_name_ur\n". |
b6ab0fe7 |
306 | "FOR EACH ROW WHEN (new.$field_name_ur IS NULL)\n". |
44fcd0b5 |
307 | "BEGIN \n". |
b6ab0fe7 |
308 | " SELECT sysdate INTO :new.$field_name_ur FROM dual;\n". |
44fcd0b5 |
309 | "END;\n/"; |
310 | } |
311 | |
57f77285 |
312 | push @field_defs, $field_def; |
f6195129 |
313 | |
314 | if ( my $comment = $field->comments ) { |
315 | push @field_comments, |
316 | "COMMENT ON COLUMN $table_name.$field_name_ur is\n '". |
317 | $comment."';"; |
318 | } |
57f77285 |
319 | } |
320 | |
321 | # |
02c2af3b |
322 | # Table options |
323 | # |
324 | my @table_options; |
325 | for my $opt ( $table->options ) { |
326 | if ( ref $opt eq 'HASH' ) { |
327 | my ( $key, $value ) = each %$opt; |
328 | if ( ref $value eq 'ARRAY' ) { |
329 | push @table_options, "$key\n(\n". join ("\n", |
330 | map { " $_->[0]\t$_->[1]" } |
331 | map { [ each %$_ ] } |
332 | @$value |
333 | )."\n)"; |
334 | } |
335 | elsif ( !defined $value ) { |
336 | push @table_options, $key; |
337 | } |
338 | else { |
339 | push @table_options, "$key $value"; |
340 | } |
341 | } |
342 | } |
343 | |
344 | # |
57f77285 |
345 | # Table constraints |
346 | # |
57f77285 |
347 | for my $c ( $table->get_constraints ) { |
348 | my $name = $c->name || ''; |
349 | my @fields = map { unreserve( $_, $table_name ) } $c->fields; |
350 | my @rfields = map { unreserve( $_, $table_name ) } |
351 | $c->reference_fields; |
4dfb0380 |
352 | next if !@fields && $c->type ne CHECK_C; |
57f77285 |
353 | |
354 | if ( $c->type eq PRIMARY_KEY ) { |
355 | $name ||= mk_name( $table_name, 'pk' ); |
356 | push @constraint_defs, "CONSTRAINT $name PRIMARY KEY ". |
357 | '(' . join( ', ', @fields ) . ')'; |
358 | } |
359 | elsif ( $c->type eq UNIQUE ) { |
1c899510 |
360 | $name ||= mk_name( $table_name, 'u' ); |
57f77285 |
361 | push @constraint_defs, "CONSTRAINT $name UNIQUE " . |
362 | '(' . join( ', ', @fields ) . ')'; |
363 | } |
4dfb0380 |
364 | elsif ( $c->type eq CHECK_C ) { |
365 | $name ||= mk_name( $table_name, 'ck' ); |
366 | my $expression = $c->expression || ''; |
367 | push @constraint_defs, "CONSTRAINT $name CHECK ($expression)"; |
368 | } |
57f77285 |
369 | elsif ( $c->type eq FOREIGN_KEY ) { |
4dfb0380 |
370 | $name ||= mk_name( join('_', $table_name, $c->fields), 'fk' ); |
cd617ba8 |
371 | my $def = "CONSTRAINT $name FOREIGN KEY "; |
372 | |
373 | if ( @fields ) { |
1c899510 |
374 | $def .= '(' . join( ', ', @fields ) . ')'; |
cd617ba8 |
375 | } |
376 | |
1c899510 |
377 | my $ref_table = unreserve($c->reference_table); |
378 | |
379 | $def .= " REFERENCES $ref_table"; |
57f77285 |
380 | |
381 | if ( @rfields ) { |
382 | $def .= ' (' . join( ', ', @rfields ) . ')'; |
383 | } |
384 | |
385 | if ( $c->match_type ) { |
386 | $def .= ' MATCH ' . |
387 | ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL'; |
388 | } |
389 | |
390 | if ( $c->on_delete ) { |
391 | $def .= ' ON DELETE '.join( ' ', $c->on_delete ); |
392 | } |
393 | |
394 | if ( $c->on_update ) { |
395 | $def .= ' ON UPDATE '.join( ' ', $c->on_update ); |
396 | } |
397 | |
398 | push @constraint_defs, $def; |
399 | } |
16dc9970 |
400 | } |
401 | |
402 | # |
403 | # Index Declarations |
404 | # |
57f77285 |
405 | my @index_defs = (); |
57f77285 |
406 | for my $index ( $table->get_indices ) { |
407 | my $index_name = $index->name || ''; |
408 | my $index_type = $index->type || NORMAL; |
44fcd0b5 |
409 | my @fields = map { unreserve( $_, $table_name ) } |
57f77285 |
410 | $index->fields; |
44fcd0b5 |
411 | next unless @fields; |
16dc9970 |
412 | |
57f77285 |
413 | if ( $index_type eq PRIMARY_KEY ) { |
ab8802d7 |
414 | $index_name ||= mk_name( $table_name, 'pk' ); |
57f77285 |
415 | push @field_defs, 'CONSTRAINT '.$index_name.' PRIMARY KEY '. |
16dc9970 |
416 | '(' . join( ', ', @fields ) . ')'; |
417 | } |
57f77285 |
418 | elsif ( $index_type eq NORMAL ) { |
ab8802d7 |
419 | $index_name ||= mk_name( $table_name, $index_name || 'i' ); |
57f77285 |
420 | push @index_defs, |
da8e499e |
421 | "CREATE INDEX $index_name on $table_name_ur (". |
422 | join( ', ', @fields ). |
423 | ");"; |
16dc9970 |
424 | } |
16dc9970 |
425 | else { |
96844cae |
426 | warn "Unknown index type ($index_type) on table $table_name.\n" |
427 | if $WARN; |
16dc9970 |
428 | } |
429 | } |
430 | |
96844cae |
431 | my $create_statement; |
432 | $create_statement = "DROP TABLE $table_name_ur;\n" if $add_drop_table; |
9fc9bfb1 |
433 | |
434 | if ( my @table_comments = $table->comments ) { |
435 | for my $comment ( @table_comments ) { |
436 | next unless $comment; |
437 | push @field_comments, "COMMENT ON TABLE $table_name is\n '". |
438 | $comment."';" |
439 | ; |
440 | } |
441 | } |
442 | |
02c2af3b |
443 | my $table_options = @table_options |
444 | ? "\n".join("\n", @table_options) : ''; |
9fc9bfb1 |
445 | $create_statement .= "CREATE TABLE $table_name_ur (\n" . |
57f77285 |
446 | join( ",\n", map { " $_" } @field_defs, @constraint_defs ) . |
02c2af3b |
447 | "\n)$table_options;" |
16dc9970 |
448 | ; |
449 | |
450 | $output .= join( "\n\n", |
451 | @comments, |
452 | $create_statement, |
57f77285 |
453 | @trigger_defs, |
454 | @index_defs, |
f6195129 |
455 | @field_comments, |
16dc9970 |
456 | '' |
457 | ); |
458 | } |
459 | |
96844cae |
460 | if ( $WARN ) { |
461 | if ( %truncated ) { |
462 | warn "Truncated " . keys( %truncated ) . " names:\n"; |
463 | warn "\t" . join( "\n\t", sort keys %truncated ) . "\n"; |
464 | } |
465 | |
466 | if ( %unreserve ) { |
467 | warn "Encounted " . keys( %unreserve ) . |
468 | " unsafe names in schema (reserved or invalid):\n"; |
469 | warn "\t" . join( "\n\t", sort keys %unreserve ) . "\n"; |
470 | } |
471 | } |
472 | |
d529894e |
473 | return $output; |
16dc9970 |
474 | } |
475 | |
d529894e |
476 | # ------------------------------------------------------------------- |
477 | sub mk_name { |
57f77285 |
478 | my $basename = shift || ''; |
479 | my $type = shift || ''; |
1c899510 |
480 | $type = '' if $type =~ /^\d/; |
57f77285 |
481 | my $scope = shift || ''; |
482 | my $critical = shift || ''; |
d529894e |
483 | my $basename_orig = $basename; |
f5087552 |
484 | my $max_name = $type |
485 | ? $max_id_length - (length($type) + 1) |
486 | : $max_id_length; |
96844cae |
487 | $basename = substr( $basename, 0, $max_name ) |
488 | if length( $basename ) > $max_name; |
d529894e |
489 | my $name = $type ? "${type}_$basename" : $basename; |
490 | |
491 | if ( $basename ne $basename_orig and $critical ) { |
492 | my $show_type = $type ? "+'$type'" : ""; |
493 | warn "Truncating '$basename_orig'$show_type to $max_id_length ", |
96844cae |
494 | "character limit to make '$name'\n" if $WARN; |
495 | $truncated{ $basename_orig } = $name; |
d529894e |
496 | } |
497 | |
498 | $scope ||= \%global_names; |
96844cae |
499 | if ( my $prev = $scope->{ $name } ) { |
500 | my $name_orig = $name; |
501 | $name .= sprintf( "%02d", ++$prev ); |
502 | substr($name, $max_id_length - 3) = "00" |
503 | if length( $name ) > $max_id_length; |
504 | |
505 | warn "The name '$name_orig' has been changed to ", |
506 | "'$name' to make it unique.\n" if $WARN; |
507 | |
508 | $scope->{ $name_orig }++; |
509 | } |
510 | |
511 | $scope->{ $name }++; |
d529894e |
512 | return $name; |
513 | } |
514 | |
515 | # ------------------------------------------------------------------- |
516 | sub unreserve { |
57f77285 |
517 | my $name = shift || ''; |
518 | my $schema_obj_name = shift || ''; |
519 | |
96844cae |
520 | my ( $suffix ) = ( $name =~ s/(\W.*)$// ) ? $1 : ''; |
d529894e |
521 | |
522 | # also trap fields that don't begin with a letter |
57f77285 |
523 | return $name if !$ora_reserved{ uc $name } && $name =~ /^[a-z]/i; |
d529894e |
524 | |
525 | if ( $schema_obj_name ) { |
526 | ++$unreserve{"$schema_obj_name.$name"}; |
527 | } |
528 | else { |
529 | ++$unreserve{"$name (table name)"}; |
530 | } |
531 | |
532 | my $unreserve = sprintf '%s_', $name; |
533 | return $unreserve.$suffix; |
534 | } |
535 | |
16dc9970 |
536 | 1; |
537 | |
d529894e |
538 | # ------------------------------------------------------------------- |
16dc9970 |
539 | # All bad art is the result of good intentions. |
540 | # Oscar Wilde |
d529894e |
541 | # ------------------------------------------------------------------- |
16dc9970 |
542 | |
543 | =head1 NAME |
544 | |
545 | SQL::Translator::Producer::Oracle - Oracle SQL producer |
546 | |
547 | =head1 SYNOPSIS |
548 | |
077ebf34 |
549 | use SQL::Translator::Parser::MySQL; |
16dc9970 |
550 | use SQL::Translator::Producer::Oracle; |
551 | |
077ebf34 |
552 | my $original_create = ""; # get this from somewhere... |
553 | my $translator = SQL::Translator->new; |
554 | |
555 | $translator->parser("SQL::Translator::Parser::MySQL"); |
556 | $translator->producer("SQL::Translator::Producer::Oracle"); |
557 | |
558 | my $new_create = $translator->translate($original_create); |
559 | |
16dc9970 |
560 | =head1 DESCRIPTION |
561 | |
077ebf34 |
562 | SQL::Translator::Producer::Oracle takes a parsed data structure, |
563 | created by a SQL::Translator::Parser subclass, and turns it into a |
564 | create string suitable for use with an Oracle database. |
16dc9970 |
565 | |
d529894e |
566 | =head1 CREDITS |
567 | |
568 | A hearty "thank-you" to Tim Bunce for much of the logic stolen from |
569 | his "mysql2ora" script. |
16dc9970 |
570 | |
571 | =head1 AUTHOR |
572 | |
d529894e |
573 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt> |
16dc9970 |
574 | |
575 | =head1 SEE ALSO |
576 | |
577 | perl(1). |
578 | |
579 | =cut |