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16dc9970 |
1 | package SQL::Translator::Parser::MySQL; |
2 | |
49e1eb70 |
3 | # ------------------------------------------------------------------- |
a82fa2cb |
4 | # $Id: MySQL.pm,v 1.44 2004-03-01 17:39:22 kycl4rk Exp $ |
49e1eb70 |
5 | # ------------------------------------------------------------------- |
90075866 |
6 | # Copyright (C) 2002-4 SQLFairy Authors |
077ebf34 |
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 | # ------------------------------------------------------------------- |
16dc9970 |
22 | |
d529894e |
23 | =head1 NAME |
24 | |
25 | SQL::Translator::Parser::MySQL - parser for MySQL |
26 | |
27 | =head1 SYNOPSIS |
28 | |
29 | use SQL::Translator; |
30 | use SQL::Translator::Parser::MySQL; |
31 | |
32 | my $translator = SQL::Translator->new; |
33 | $translator->parser("SQL::Translator::Parser::MySQL"); |
34 | |
35 | =head1 DESCRIPTION |
36 | |
37 | The grammar is influenced heavily by Tim Bunce's "mysql2ora" grammar. |
38 | |
629b76f9 |
39 | Here's the word from the MySQL site |
40 | (http://www.mysql.com/doc/en/CREATE_TABLE.html): |
41 | |
42 | CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)] |
43 | [table_options] [select_statement] |
44 | |
45 | or |
46 | |
47 | CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name LIKE old_table_name; |
48 | |
49 | create_definition: |
50 | col_name type [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT] |
51 | [PRIMARY KEY] [reference_definition] |
52 | or PRIMARY KEY (index_col_name,...) |
53 | or KEY [index_name] (index_col_name,...) |
54 | or INDEX [index_name] (index_col_name,...) |
55 | or UNIQUE [INDEX] [index_name] (index_col_name,...) |
56 | or FULLTEXT [INDEX] [index_name] (index_col_name,...) |
57 | or [CONSTRAINT symbol] FOREIGN KEY [index_name] (index_col_name,...) |
58 | [reference_definition] |
59 | or CHECK (expr) |
60 | |
61 | type: |
62 | TINYINT[(length)] [UNSIGNED] [ZEROFILL] |
63 | or SMALLINT[(length)] [UNSIGNED] [ZEROFILL] |
64 | or MEDIUMINT[(length)] [UNSIGNED] [ZEROFILL] |
65 | or INT[(length)] [UNSIGNED] [ZEROFILL] |
66 | or INTEGER[(length)] [UNSIGNED] [ZEROFILL] |
67 | or BIGINT[(length)] [UNSIGNED] [ZEROFILL] |
68 | or REAL[(length,decimals)] [UNSIGNED] [ZEROFILL] |
69 | or DOUBLE[(length,decimals)] [UNSIGNED] [ZEROFILL] |
70 | or FLOAT[(length,decimals)] [UNSIGNED] [ZEROFILL] |
71 | or DECIMAL(length,decimals) [UNSIGNED] [ZEROFILL] |
72 | or NUMERIC(length,decimals) [UNSIGNED] [ZEROFILL] |
73 | or CHAR(length) [BINARY] |
74 | or VARCHAR(length) [BINARY] |
75 | or DATE |
76 | or TIME |
77 | or TIMESTAMP |
78 | or DATETIME |
79 | or TINYBLOB |
80 | or BLOB |
81 | or MEDIUMBLOB |
82 | or LONGBLOB |
83 | or TINYTEXT |
84 | or TEXT |
85 | or MEDIUMTEXT |
86 | or LONGTEXT |
87 | or ENUM(value1,value2,value3,...) |
88 | or SET(value1,value2,value3,...) |
89 | |
90 | index_col_name: |
91 | col_name [(length)] |
92 | |
93 | reference_definition: |
94 | REFERENCES tbl_name [(index_col_name,...)] |
95 | [MATCH FULL | MATCH PARTIAL] |
96 | [ON DELETE reference_option] |
97 | [ON UPDATE reference_option] |
98 | |
99 | reference_option: |
100 | RESTRICT | CASCADE | SET NULL | NO ACTION | SET DEFAULT |
101 | |
102 | table_options: |
103 | TYPE = {BDB | HEAP | ISAM | InnoDB | MERGE | MRG_MYISAM | MYISAM } |
104 | or AUTO_INCREMENT = # |
105 | or AVG_ROW_LENGTH = # |
106 | or CHECKSUM = {0 | 1} |
107 | or COMMENT = "string" |
108 | or MAX_ROWS = # |
109 | or MIN_ROWS = # |
110 | or PACK_KEYS = {0 | 1 | DEFAULT} |
111 | or PASSWORD = "string" |
112 | or DELAY_KEY_WRITE = {0 | 1} |
113 | or ROW_FORMAT= { default | dynamic | fixed | compressed } |
114 | or RAID_TYPE= {1 | STRIPED | RAID0 } RAID_CHUNKS=# RAID_CHUNKSIZE=# |
115 | or UNION = (table_name,[table_name...]) |
116 | or INSERT_METHOD= {NO | FIRST | LAST } |
117 | or DATA DIRECTORY="absolute path to directory" |
118 | or INDEX DIRECTORY="absolute path to directory" |
119 | |
d529894e |
120 | =cut |
121 | |
16dc9970 |
122 | use strict; |
d529894e |
123 | use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ]; |
a82fa2cb |
124 | $VERSION = sprintf "%d.%02d", q$Revision: 1.44 $ =~ /(\d+)\.(\d+)/; |
8d0f3086 |
125 | $DEBUG = 0 unless defined $DEBUG; |
077ebf34 |
126 | |
d529894e |
127 | use Data::Dumper; |
077ebf34 |
128 | use Parse::RecDescent; |
129 | use Exporter; |
130 | use base qw(Exporter); |
131 | |
132 | @EXPORT_OK = qw(parse); |
133 | |
d529894e |
134 | # Enable warnings within the Parse::RecDescent module. |
135 | $::RD_ERRORS = 1; # Make sure the parser dies when it encounters an error |
136 | $::RD_WARN = 1; # Enable warnings. This will warn on unused rules &c. |
137 | $::RD_HINT = 1; # Give out hints to help fix problems. |
138 | |
d529894e |
139 | $GRAMMAR = q! |
140 | |
8ccdeb42 |
141 | { |
7898fb70 |
142 | my ( %tables, $table_order, @table_comments ); |
8ccdeb42 |
143 | } |
d529894e |
144 | |
629b76f9 |
145 | # |
146 | # The "eofile" rule makes the parser fail if any "statement" rule |
147 | # fails. Otherwise, the first successful match by a "statement" |
148 | # won't cause the failure needed to know that the parse, as a whole, |
149 | # failed. -ky |
150 | # |
151 | startrule : statement(s) eofile { \%tables } |
152 | |
153 | eofile : /^\Z/ |
d529894e |
154 | |
155 | statement : comment |
dcb4fa06 |
156 | | use |
33d0d6d4 |
157 | | set |
61745327 |
158 | | drop |
d529894e |
159 | | create |
160 | | <error> |
161 | |
dcb4fa06 |
162 | use : /use/i WORD ';' |
c5dabd71 |
163 | { @table_comments = () } |
dcb4fa06 |
164 | |
33d0d6d4 |
165 | set : /set/i /[^;]+/ ';' |
c5dabd71 |
166 | { @table_comments = () } |
734dfc91 |
167 | |
2e8dfb76 |
168 | drop : /drop/i TABLE /[^;]+/ ';' |
33d0d6d4 |
169 | |
61745327 |
170 | drop : /drop/i WORD(s) ';' |
c5dabd71 |
171 | { @table_comments = () } |
61745327 |
172 | |
dcb4fa06 |
173 | create : CREATE /database/i WORD ';' |
c5dabd71 |
174 | { @table_comments = () } |
dcb4fa06 |
175 | |
40c1ade1 |
176 | create : CREATE TEMPORARY(?) TABLE opt_if_not_exists(?) table_name '(' create_definition(s /,/) ')' table_option(s?) ';' |
d529894e |
177 | { |
178 | my $table_name = $item{'table_name'}; |
179 | $tables{ $table_name }{'order'} = ++$table_order; |
180 | $tables{ $table_name }{'table_name'} = $table_name; |
181 | |
734dfc91 |
182 | if ( @table_comments ) { |
183 | $tables{ $table_name }{'comments'} = [ @table_comments ]; |
184 | @table_comments = (); |
185 | } |
186 | |
61745327 |
187 | my $i = 1; |
40c1ade1 |
188 | for my $definition ( @{ $item[7] } ) { |
f2cf1734 |
189 | if ( $definition->{'supertype'} eq 'field' ) { |
d529894e |
190 | my $field_name = $definition->{'name'}; |
191 | $tables{ $table_name }{'fields'}{ $field_name } = |
192 | { %$definition, order => $i }; |
193 | $i++; |
194 | |
195 | if ( $definition->{'is_primary_key'} ) { |
f2cf1734 |
196 | push @{ $tables{ $table_name }{'constraints'} }, |
d529894e |
197 | { |
198 | type => 'primary_key', |
199 | fields => [ $field_name ], |
16dc9970 |
200 | } |
d529894e |
201 | ; |
202 | } |
dd2ef5ae |
203 | } |
f2cf1734 |
204 | elsif ( $definition->{'supertype'} eq 'constraint' ) { |
f2cf1734 |
205 | push @{ $tables{ $table_name }{'constraints'} }, $definition; |
40c1ade1 |
206 | } |
f2cf1734 |
207 | elsif ( $definition->{'supertype'} eq 'index' ) { |
734dfc91 |
208 | push @{ $tables{ $table_name }{'indices'} }, $definition; |
dd2ef5ae |
209 | } |
d529894e |
210 | } |
dd2ef5ae |
211 | |
02a21f1a |
212 | if ( my @options = @{ $item{'table_option(s?)'} } ) { |
213 | $tables{ $table_name }{'table_options'} = \@options; |
d529894e |
214 | } |
58a88238 |
215 | |
216 | 1; |
d529894e |
217 | } |
dd2ef5ae |
218 | |
40c1ade1 |
219 | opt_if_not_exists : /if not exists/i |
220 | |
f2cf1734 |
221 | create : CREATE UNIQUE(?) /(index|key)/i index_name /on/i table_name '(' field_name(s /,/) ')' ';' |
d529894e |
222 | { |
734dfc91 |
223 | @table_comments = (); |
d529894e |
224 | push @{ $tables{ $item{'table_name'} }{'indices'} }, |
225 | { |
226 | name => $item[4], |
227 | type => $item[2] ? 'unique' : 'normal', |
228 | fields => $item[8], |
dd2ef5ae |
229 | } |
d529894e |
230 | ; |
231 | } |
dd2ef5ae |
232 | |
f2cf1734 |
233 | create_definition : constraint |
234 | | index |
d529894e |
235 | | field |
02a21f1a |
236 | | comment |
d529894e |
237 | | <error> |
238 | |
734dfc91 |
239 | comment : /^\s*(?:#|-{2}).*\n/ |
240 | { |
241 | my $comment = $item[1]; |
a82fa2cb |
242 | $comment =~ s/^\s*(#|--)\s*//; |
734dfc91 |
243 | $comment =~ s/\s*$//; |
244 | $return = $comment; |
245 | push @table_comments, $comment; |
246 | } |
247 | |
248 | field_comment : /^\s*(?:#|-{2}).*\n/ |
249 | { |
250 | my $comment = $item[1]; |
a82fa2cb |
251 | $comment =~ s/^\s*(#|--)\s*//; |
734dfc91 |
252 | $comment =~ s/\s*$//; |
253 | $return = $comment; |
254 | } |
d529894e |
255 | |
256 | blank : /\s*/ |
257 | |
734dfc91 |
258 | field : field_comment(s?) field_name data_type field_qualifier(s?) reference_definition(?) field_comment(s?) |
d529894e |
259 | { |
734dfc91 |
260 | my %qualifiers = map { %$_ } @{ $item{'field_qualifier(s?)'} || [] }; |
d529894e |
261 | if ( my @type_quals = @{ $item{'data_type'}{'qualifiers'} || [] } ) { |
262 | $qualifiers{ $_ } = 1 for @type_quals; |
263 | } |
264 | |
c5dabd71 |
265 | my $null = defined $qualifiers{'not_null'} |
266 | ? $qualifiers{'not_null'} : 1; |
267 | delete $qualifiers{'not_null'}; |
268 | |
88b89793 |
269 | my @comments = ( @{ $item[1] }, @{ $item[6] } ); |
270 | |
d529894e |
271 | $return = { |
f2cf1734 |
272 | supertype => 'field', |
273 | name => $item{'field_name'}, |
274 | data_type => $item{'data_type'}{'type'}, |
275 | size => $item{'data_type'}{'size'}, |
276 | list => $item{'data_type'}{'list'}, |
277 | null => $null, |
278 | constraints => $item{'reference_definition(?)'}, |
88b89793 |
279 | comments => [ @comments ], |
d529894e |
280 | %qualifiers, |
281 | } |
282 | } |
283 | | <error> |
dd2ef5ae |
284 | |
d529894e |
285 | field_qualifier : not_null |
286 | { |
287 | $return = { |
288 | null => $item{'not_null'}, |
289 | } |
290 | } |
16dc9970 |
291 | |
d529894e |
292 | field_qualifier : default_val |
293 | { |
294 | $return = { |
295 | default => $item{'default_val'}, |
296 | } |
297 | } |
16dc9970 |
298 | |
d529894e |
299 | field_qualifier : auto_inc |
300 | { |
301 | $return = { |
302 | is_auto_inc => $item{'auto_inc'}, |
303 | } |
304 | } |
16dc9970 |
305 | |
d529894e |
306 | field_qualifier : primary_key |
307 | { |
308 | $return = { |
309 | is_primary_key => $item{'primary_key'}, |
310 | } |
311 | } |
16dc9970 |
312 | |
d529894e |
313 | field_qualifier : unsigned |
314 | { |
315 | $return = { |
316 | is_unsigned => $item{'unsigned'}, |
317 | } |
318 | } |
16dc9970 |
319 | |
095b4549 |
320 | field_qualifier : /character set/i WORD |
321 | { |
322 | $return = { |
323 | character_set => $item[2], |
324 | } |
325 | } |
326 | |
658637cd |
327 | reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete_do(?) on_update_do(?) |
328 | { |
40c1ade1 |
329 | $return = { |
658637cd |
330 | type => 'foreign_key', |
331 | reference_table => $item[2], |
332 | reference_fields => $item[3][0], |
333 | match_type => $item[4][0], |
334 | on_delete_do => $item[5][0], |
335 | on_update_do => $item[6][0], |
336 | } |
337 | } |
338 | |
02a21f1a |
339 | match_type : /match full/i { 'full' } |
658637cd |
340 | | |
02a21f1a |
341 | /match partial/i { 'partial' } |
658637cd |
342 | |
343 | on_delete_do : /on delete/i reference_option |
344 | { $item[2] } |
345 | |
346 | on_update_do : /on update/i reference_option |
347 | { $item[2] } |
348 | |
349 | reference_option: /restrict/i | |
350 | /cascade/i | |
351 | /set null/i | |
352 | /no action/i | |
353 | /set default/i |
354 | { $item[1] } |
355 | |
f2cf1734 |
356 | index : normal_index |
371f5f88 |
357 | | fulltext_index |
58a88238 |
358 | | <error> |
d529894e |
359 | |
0d41bc9b |
360 | table_name : NAME |
d529894e |
361 | |
0d41bc9b |
362 | field_name : NAME |
d529894e |
363 | |
02a21f1a |
364 | index_name : NAME |
d529894e |
365 | |
366 | data_type : WORD parens_value_list(s?) type_qualifier(s?) |
367 | { |
368 | my $type = $item[1]; |
369 | my $size; # field size, applicable only to non-set fields |
370 | my $list; # set list, applicable only to sets (duh) |
371 | |
44fcd0b5 |
372 | if ( uc($type) =~ /^(SET|ENUM)$/ ) { |
d529894e |
373 | $size = undef; |
374 | $list = $item[2][0]; |
375 | } |
376 | else { |
377 | $size = $item[2][0]; |
378 | $list = []; |
379 | } |
380 | |
6333c482 |
381 | unless ( @{ $size || [] } ) { |
382 | if ( lc $type eq 'tinyint' ) { |
7898fb70 |
383 | $size = 4; |
6333c482 |
384 | } |
385 | elsif ( lc $type eq 'smallint' ) { |
7898fb70 |
386 | $size = 6; |
6333c482 |
387 | } |
388 | elsif ( lc $type eq 'mediumint' ) { |
7898fb70 |
389 | $size = 9; |
6333c482 |
390 | } |
c736c39c |
391 | elsif ( $type =~ /^int(eger)?$/ ) { |
f2cf1734 |
392 | $type = 'int'; |
7898fb70 |
393 | $size = 11; |
6333c482 |
394 | } |
395 | elsif ( lc $type eq 'bigint' ) { |
7898fb70 |
396 | $size = 20; |
6333c482 |
397 | } |
1eb08c80 |
398 | elsif ( |
399 | lc $type =~ /(float|double|decimal|numeric|real|fixed|dec)/ |
400 | ) { |
6333c482 |
401 | $size = [8,2]; |
402 | } |
403 | } |
404 | |
7898fb70 |
405 | if ( $type =~ /^tiny(text|blob)$/i ) { |
406 | $size = 255; |
256d534a |
407 | } |
7898fb70 |
408 | elsif ( $type =~ /^(blob|text)$/i ) { |
409 | $size = 65_535; |
256d534a |
410 | } |
7898fb70 |
411 | elsif ( $type =~ /^medium(blob|text)$/i ) { |
412 | $size = 16_777_215; |
256d534a |
413 | } |
7898fb70 |
414 | elsif ( $type =~ /^long(blob|text)$/i ) { |
415 | $size = 4_294_967_295; |
256d534a |
416 | } |
417 | |
d529894e |
418 | $return = { |
419 | type => $type, |
420 | size => $size, |
421 | list => $list, |
422 | qualifiers => $item[3], |
423 | } |
424 | } |
16dc9970 |
425 | |
658637cd |
426 | parens_field_list : '(' field_name(s /,/) ')' |
427 | { $item[2] } |
428 | |
d529894e |
429 | parens_value_list : '(' VALUE(s /,/) ')' |
430 | { $item[2] } |
16dc9970 |
431 | |
d529894e |
432 | type_qualifier : /(BINARY|UNSIGNED|ZEROFILL)/i |
433 | { lc $item[1] } |
16dc9970 |
434 | |
d529894e |
435 | field_type : WORD |
16dc9970 |
436 | |
d529894e |
437 | create_index : /create/i /index/i |
dd2ef5ae |
438 | |
d529894e |
439 | not_null : /not/i /null/i { $return = 0 } |
16dc9970 |
440 | |
d529894e |
441 | unsigned : /unsigned/i { $return = 0 } |
16dc9970 |
442 | |
09fa21a6 |
443 | #default_val : /default/i /(?:')?[\s\w\d:.-]*(?:')?/ |
444 | # { |
445 | # $item[2] =~ s/'//g; |
446 | # $return = $item[2]; |
447 | # } |
448 | |
449 | default_val : /default/i /'(?:.*?\\')*.*?'|(?:')?[\w\d:.-]*(?:')?/ |
450 | { |
451 | $item[2] =~ s/^\s*'|'\s*$//g; |
d529894e |
452 | $return = $item[2]; |
453 | } |
16dc9970 |
454 | |
d529894e |
455 | auto_inc : /auto_increment/i { 1 } |
16dc9970 |
456 | |
d529894e |
457 | primary_key : /primary/i /key/i { 1 } |
16dc9970 |
458 | |
f2cf1734 |
459 | constraint : primary_key_def |
460 | | unique_key_def |
461 | | foreign_key_def |
462 | | <error> |
463 | |
02a21f1a |
464 | foreign_key_def : foreign_key_def_begin parens_field_list reference_definition |
40c1ade1 |
465 | { |
466 | $return = { |
f2cf1734 |
467 | supertype => 'constraint', |
40c1ade1 |
468 | type => 'foreign_key', |
02a21f1a |
469 | name => $item[1], |
09fa21a6 |
470 | fields => $item[2], |
40c1ade1 |
471 | %{ $item{'reference_definition'} }, |
472 | } |
473 | } |
474 | |
02a21f1a |
475 | foreign_key_def_begin : /constraint/i /foreign key/i |
476 | { $return = '' } |
477 | | |
478 | /constraint/i WORD /foreign key/i |
479 | { $return = $item[2] } |
480 | | |
481 | /foreign key/i |
482 | { $return = '' } |
40c1ade1 |
483 | |
1853ba82 |
484 | primary_key_def : primary_key index_name(?) '(' name_with_opt_paren(s /,/) ')' |
d529894e |
485 | { |
f2cf1734 |
486 | $return = { |
487 | supertype => 'constraint', |
488 | name => $item{'index_name(?)'}[0], |
489 | type => 'primary_key', |
490 | fields => $item[4], |
58a88238 |
491 | }; |
d529894e |
492 | } |
16dc9970 |
493 | |
f2cf1734 |
494 | unique_key_def : UNIQUE KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' |
d529894e |
495 | { |
f2cf1734 |
496 | $return = { |
497 | supertype => 'constraint', |
498 | name => $item{'index_name(?)'}[0], |
499 | type => 'unique', |
500 | fields => $item[5], |
d529894e |
501 | } |
502 | } |
16dc9970 |
503 | |
f2cf1734 |
504 | normal_index : KEY index_name(?) '(' name_with_opt_paren(s /,/) ')' |
d529894e |
505 | { |
f2cf1734 |
506 | $return = { |
507 | supertype => 'index', |
508 | type => 'normal', |
509 | name => $item{'index_name(?)'}[0], |
510 | fields => $item[4], |
d529894e |
511 | } |
512 | } |
16dc9970 |
513 | |
f2cf1734 |
514 | fulltext_index : /fulltext/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' |
371f5f88 |
515 | { |
f2cf1734 |
516 | $return = { |
517 | supertype => 'index', |
518 | type => 'fulltext', |
519 | name => $item{'index_name(?)'}[0], |
520 | fields => $item[5], |
371f5f88 |
521 | } |
522 | } |
523 | |
d529894e |
524 | name_with_opt_paren : NAME parens_value_list(s?) |
525 | { $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] } |
16dc9970 |
526 | |
f2cf1734 |
527 | UNIQUE : /unique/i { 1 } |
16dc9970 |
528 | |
f2cf1734 |
529 | KEY : /key/i | /index/i |
16dc9970 |
530 | |
02a21f1a |
531 | table_option : WORD /\s*=\s*/ WORD |
d529894e |
532 | { |
02a21f1a |
533 | $return = { $item[1] => $item[3] }; |
d529894e |
534 | } |
16dc9970 |
535 | |
40c1ade1 |
536 | CREATE : /create/i |
537 | |
538 | TEMPORARY : /temporary/i |
539 | |
540 | TABLE : /table/i |
541 | |
d529894e |
542 | WORD : /\w+/ |
16dc9970 |
543 | |
d529894e |
544 | DIGITS : /\d+/ |
16dc9970 |
545 | |
d529894e |
546 | COMMA : ',' |
16dc9970 |
547 | |
d529894e |
548 | NAME : "`" /\w+/ "`" |
549 | { $item[2] } |
550 | | /\w+/ |
551 | { $item[1] } |
16dc9970 |
552 | |
d529894e |
553 | VALUE : /[-+]?\.?\d+(?:[eE]\d+)?/ |
554 | { $item[1] } |
f2cf1734 |
555 | | /'.*?'/ |
556 | { |
557 | # remove leading/trailing quotes |
558 | my $val = $item[1]; |
559 | $val =~ s/^['"]|['"]$//g; |
560 | $return = $val; |
561 | } |
d529894e |
562 | | /NULL/ |
563 | { 'NULL' } |
16dc9970 |
564 | |
d529894e |
565 | !; |
16dc9970 |
566 | |
d529894e |
567 | # ------------------------------------------------------------------- |
568 | sub parse { |
70944bc5 |
569 | my ( $translator, $data ) = @_; |
40c1ade1 |
570 | my $parser = Parse::RecDescent->new($GRAMMAR); |
077ebf34 |
571 | |
e099bee9 |
572 | local $::RD_TRACE = $translator->trace ? 1 : undef; |
573 | local $DEBUG = $translator->debug; |
d529894e |
574 | |
575 | unless (defined $parser) { |
576 | return $translator->error("Error instantiating Parse::RecDescent ". |
577 | "instance: Bad grammer"); |
578 | } |
579 | |
580 | my $result = $parser->startrule($data); |
40c1ade1 |
581 | return $translator->error( "Parse failed." ) unless defined $result; |
8ccdeb42 |
582 | warn Dumper( $result ) if $DEBUG; |
583 | |
70944bc5 |
584 | my $schema = $translator->schema; |
034ecdec |
585 | my @tables = sort { |
586 | $result->{ $a }->{'order'} <=> $result->{ $b }->{'order'} |
587 | } keys %{ $result }; |
588 | |
589 | for my $table_name ( @tables ) { |
8ccdeb42 |
590 | my $tdata = $result->{ $table_name }; |
591 | my $table = $schema->add_table( |
592 | name => $tdata->{'table_name'}, |
40c1ade1 |
593 | ) or die $schema->error; |
8ccdeb42 |
594 | |
734dfc91 |
595 | $table->comments( $tdata->{'comments'} ); |
f2cf1734 |
596 | |
8ccdeb42 |
597 | my @fields = sort { |
598 | $tdata->{'fields'}->{$a}->{'order'} |
599 | <=> |
600 | $tdata->{'fields'}->{$b}->{'order'} |
601 | } keys %{ $tdata->{'fields'} }; |
602 | |
603 | for my $fname ( @fields ) { |
604 | my $fdata = $tdata->{'fields'}{ $fname }; |
605 | my $field = $table->add_field( |
606 | name => $fdata->{'name'}, |
607 | data_type => $fdata->{'data_type'}, |
608 | size => $fdata->{'size'}, |
609 | default_value => $fdata->{'default'}, |
610 | is_auto_increment => $fdata->{'is_auto_inc'}, |
611 | is_nullable => $fdata->{'null'}, |
88b89793 |
612 | comments => $fdata->{'comments'}, |
40c1ade1 |
613 | ) or die $table->error; |
f2cf1734 |
614 | |
615 | $table->primary_key( $field->name ) if $fdata->{'is_primary_key'}; |
616 | |
617 | for my $qual ( qw[ binary unsigned zerofill list ] ) { |
618 | if ( my $val = $fdata->{ $qual } || $fdata->{ uc $qual } ) { |
619 | next if ref $val eq 'ARRAY' && !@$val; |
620 | $field->extra( $qual, $val ); |
621 | } |
622 | } |
623 | |
624 | if ( $field->data_type =~ /(set|enum)/i && !$field->size ) { |
625 | my %extra = $field->extra; |
d14fe688 |
626 | my $longest = 0; |
f2cf1734 |
627 | for my $len ( map { length } @{ $extra{'list'} || [] } ) { |
628 | $longest = $len if $len > $longest; |
629 | } |
630 | $field->size( $longest ) if $longest; |
631 | } |
632 | |
633 | for my $cdata ( @{ $fdata->{'constraints'} } ) { |
634 | next unless $cdata->{'type'} eq 'foreign_key'; |
635 | $cdata->{'fields'} ||= [ $field->name ]; |
636 | push @{ $tdata->{'constraints'} }, $cdata; |
637 | } |
638 | } |
639 | |
640 | for my $idata ( @{ $tdata->{'indices'} || [] } ) { |
641 | my $index = $table->add_index( |
642 | name => $idata->{'name'}, |
643 | type => uc $idata->{'type'}, |
644 | fields => $idata->{'fields'}, |
645 | ) or die $table->error; |
646 | } |
647 | |
02a21f1a |
648 | if ( my @options = @{ $tdata->{'table_options'} || [] } ) { |
649 | $table->options( \@options ) or die $table->error; |
650 | } |
651 | |
f2cf1734 |
652 | for my $cdata ( @{ $tdata->{'constraints'} || [] } ) { |
653 | my $constraint = $table->add_constraint( |
654 | name => $cdata->{'name'}, |
655 | type => $cdata->{'type'}, |
656 | fields => $cdata->{'fields'}, |
657 | reference_table => $cdata->{'reference_table'}, |
658 | reference_fields => $cdata->{'reference_fields'}, |
659 | match_type => $cdata->{'match_type'} || '', |
660 | on_delete => $cdata->{'on_delete_do'}, |
661 | on_update => $cdata->{'on_update_do'}, |
662 | ) or die $table->error; |
8ccdeb42 |
663 | } |
664 | } |
665 | |
f62bd16c |
666 | return 1; |
d529894e |
667 | } |
668 | |
669 | 1; |
670 | |
034ecdec |
671 | # ------------------------------------------------------------------- |
d529894e |
672 | # Where man is not nature is barren. |
673 | # William Blake |
034ecdec |
674 | # ------------------------------------------------------------------- |
16dc9970 |
675 | |
d529894e |
676 | =pod |
16dc9970 |
677 | |
678 | =head1 AUTHOR |
679 | |
d529894e |
680 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt>, |
8ccdeb42 |
681 | Chris Mungall E<lt>cjm@fruitfly.orgE<gt>. |
16dc9970 |
682 | |
683 | =head1 SEE ALSO |
684 | |
8ccdeb42 |
685 | perl(1), Parse::RecDescent, SQL::Translator::Schema. |
16dc9970 |
686 | |
687 | =cut |