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16dc9970 |
1 | package SQL::Translator::Parser::MySQL; |
2 | |
49e1eb70 |
3 | # ------------------------------------------------------------------- |
d31c185b |
4 | # $Id: MySQL.pm,v 1.58 2007-03-19 17:15:24 duality72 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 | |
13aec984 |
120 | A subset of the ALTER TABLE syntax that allows addition of foreign keys: |
121 | |
122 | ALTER [IGNORE] TABLE tbl_name alter_specification [, alter_specification] ... |
123 | |
124 | alter_specification: |
125 | ADD [CONSTRAINT [symbol]] |
126 | FOREIGN KEY [index_name] (index_col_name,...) |
127 | [reference_definition] |
128 | |
129 | A subset of INSERT that we ignore: |
130 | |
131 | INSERT anything |
132 | |
d529894e |
133 | =cut |
134 | |
16dc9970 |
135 | use strict; |
d529894e |
136 | use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ]; |
d31c185b |
137 | $VERSION = sprintf "%d.%02d", q$Revision: 1.58 $ =~ /(\d+)\.(\d+)/; |
8d0f3086 |
138 | $DEBUG = 0 unless defined $DEBUG; |
077ebf34 |
139 | |
d529894e |
140 | use Data::Dumper; |
077ebf34 |
141 | use Parse::RecDescent; |
142 | use Exporter; |
07d6e5f7 |
143 | use Storable qw(dclone); |
6b2dbb1a |
144 | use DBI qw(:sql_types); |
077ebf34 |
145 | use base qw(Exporter); |
146 | |
6b2dbb1a |
147 | our %type_mapping = ( |
6b2dbb1a |
148 | ); |
149 | |
077ebf34 |
150 | @EXPORT_OK = qw(parse); |
151 | |
d529894e |
152 | # Enable warnings within the Parse::RecDescent module. |
153 | $::RD_ERRORS = 1; # Make sure the parser dies when it encounters an error |
154 | $::RD_WARN = 1; # Enable warnings. This will warn on unused rules &c. |
155 | $::RD_HINT = 1; # Give out hints to help fix problems. |
156 | |
d31c185b |
157 | use constant DEFAULT_PARSER_VERSION => 30000; |
158 | |
9bf756df |
159 | $GRAMMAR = << 'END_OF_GRAMMAR'; |
d529894e |
160 | |
8ccdeb42 |
161 | { |
d31c185b |
162 | my ( $database_name, %tables, $table_order, @table_comments, %views, $view_order, %procedures, $proc_order ); |
86318717 |
163 | my $delimiter = ';'; |
8ccdeb42 |
164 | } |
d529894e |
165 | |
629b76f9 |
166 | # |
167 | # The "eofile" rule makes the parser fail if any "statement" rule |
168 | # fails. Otherwise, the first successful match by a "statement" |
169 | # won't cause the failure needed to know that the parse, as a whole, |
170 | # failed. -ky |
171 | # |
13aec984 |
172 | startrule : statement(s) eofile { |
d31c185b |
173 | { tables => \%tables, database_name => $database_name, views => \%views, procedures =>\%procedures } |
13aec984 |
174 | } |
629b76f9 |
175 | |
176 | eofile : /^\Z/ |
d529894e |
177 | |
178 | statement : comment |
dcb4fa06 |
179 | | use |
33d0d6d4 |
180 | | set |
61745327 |
181 | | drop |
d529894e |
182 | | create |
13aec984 |
183 | | alter |
184 | | insert |
86318717 |
185 | | delimiter |
186 | | empty_statement |
d529894e |
187 | | <error> |
188 | |
86318717 |
189 | use : /use/i WORD "$delimiter" |
13aec984 |
190 | { |
191 | $database_name = $item[2]; |
192 | @table_comments = (); |
193 | } |
dcb4fa06 |
194 | |
86318717 |
195 | set : /set/i /[^;]+/ "$delimiter" |
c5dabd71 |
196 | { @table_comments = () } |
734dfc91 |
197 | |
86318717 |
198 | drop : /drop/i TABLE /[^;]+/ "$delimiter" |
33d0d6d4 |
199 | |
86318717 |
200 | drop : /drop/i WORD(s) "$delimiter" |
c5dabd71 |
201 | { @table_comments = () } |
61745327 |
202 | |
9bf756df |
203 | string : |
204 | # MySQL strings, unlike common SQL strings, can be double-quoted or |
205 | # single-quoted, and you can escape the delmiters by doubling (but only the |
206 | # delimiter) or by backslashing. |
207 | |
208 | /'(\\.|''|[^\\\'])*'/ | |
209 | /"(\\.|""|[^\\\"])*"/ |
210 | # For reference, std sql str: /(?:(?:\')(?:[^\']*(?:(?:\'\')[^\']*)*)(?:\'))// |
211 | |
212 | nonstring : /[^;\'"]+/ |
213 | |
214 | statement_body : (string | nonstring)(s?) |
215 | |
86318717 |
216 | insert : /insert/i statement_body "$delimiter" |
13aec984 |
217 | |
86318717 |
218 | delimiter : /delimiter/i /[\S]+/ |
07d6e5f7 |
219 | { $delimiter = $item[2] } |
86318717 |
220 | |
221 | empty_statement : "$delimiter" |
222 | |
223 | alter : ALTER TABLE table_name alter_specification(s /,/) "$delimiter" |
13aec984 |
224 | { |
225 | my $table_name = $item{'table_name'}; |
226 | die "Cannot ALTER table '$table_name'; it does not exist" |
227 | unless $tables{ $table_name }; |
228 | for my $definition ( @{ $item[4] } ) { |
229 | $definition->{'extra'}->{'alter'} = 1; |
230 | push @{ $tables{ $table_name }{'constraints'} }, $definition; |
231 | } |
232 | } |
233 | |
234 | alter_specification : ADD foreign_key_def |
235 | { $return = $item[2] } |
236 | |
86318717 |
237 | create : CREATE /database/i WORD "$delimiter" |
c5dabd71 |
238 | { @table_comments = () } |
dcb4fa06 |
239 | |
86318717 |
240 | create : CREATE TEMPORARY(?) TABLE opt_if_not_exists(?) table_name '(' create_definition(s /,/) /(,\s*)?\)/ table_option(s?) "$delimiter" |
d529894e |
241 | { |
242 | my $table_name = $item{'table_name'}; |
243 | $tables{ $table_name }{'order'} = ++$table_order; |
244 | $tables{ $table_name }{'table_name'} = $table_name; |
245 | |
734dfc91 |
246 | if ( @table_comments ) { |
247 | $tables{ $table_name }{'comments'} = [ @table_comments ]; |
248 | @table_comments = (); |
249 | } |
250 | |
61745327 |
251 | my $i = 1; |
40c1ade1 |
252 | for my $definition ( @{ $item[7] } ) { |
f2cf1734 |
253 | if ( $definition->{'supertype'} eq 'field' ) { |
d529894e |
254 | my $field_name = $definition->{'name'}; |
255 | $tables{ $table_name }{'fields'}{ $field_name } = |
256 | { %$definition, order => $i }; |
257 | $i++; |
258 | |
259 | if ( $definition->{'is_primary_key'} ) { |
f2cf1734 |
260 | push @{ $tables{ $table_name }{'constraints'} }, |
d529894e |
261 | { |
262 | type => 'primary_key', |
263 | fields => [ $field_name ], |
16dc9970 |
264 | } |
d529894e |
265 | ; |
266 | } |
dd2ef5ae |
267 | } |
f2cf1734 |
268 | elsif ( $definition->{'supertype'} eq 'constraint' ) { |
f2cf1734 |
269 | push @{ $tables{ $table_name }{'constraints'} }, $definition; |
40c1ade1 |
270 | } |
f2cf1734 |
271 | elsif ( $definition->{'supertype'} eq 'index' ) { |
734dfc91 |
272 | push @{ $tables{ $table_name }{'indices'} }, $definition; |
dd2ef5ae |
273 | } |
d529894e |
274 | } |
dd2ef5ae |
275 | |
02a21f1a |
276 | if ( my @options = @{ $item{'table_option(s?)'} } ) { |
35843e6b |
277 | for my $option ( @options ) { |
278 | my ( $key, $value ) = each %$option; |
279 | if ( $key eq 'comment' ) { |
280 | push @{ $tables{ $table_name }{'comments'} }, $value; |
281 | } |
282 | else { |
283 | push @{ $tables{ $table_name }{'table_options'} }, $option; |
284 | } |
285 | } |
d529894e |
286 | } |
58a88238 |
287 | |
288 | 1; |
d529894e |
289 | } |
dd2ef5ae |
290 | |
40c1ade1 |
291 | opt_if_not_exists : /if not exists/i |
292 | |
86318717 |
293 | create : CREATE UNIQUE(?) /(index|key)/i index_name /on/i table_name '(' field_name(s /,/) ')' "$delimiter" |
d529894e |
294 | { |
734dfc91 |
295 | @table_comments = (); |
d529894e |
296 | push @{ $tables{ $item{'table_name'} }{'indices'} }, |
297 | { |
298 | name => $item[4], |
299 | type => $item[2] ? 'unique' : 'normal', |
300 | fields => $item[8], |
dd2ef5ae |
301 | } |
d529894e |
302 | ; |
303 | } |
dd2ef5ae |
304 | |
d31c185b |
305 | create : CREATE /trigger/i NAME not_delimiter "$delimiter" |
07d6e5f7 |
306 | { |
307 | @table_comments = (); |
308 | } |
d31c185b |
309 | |
310 | create : CREATE PROCEDURE NAME not_delimiter "$delimiter" |
07d6e5f7 |
311 | { |
312 | @table_comments = (); |
d31c185b |
313 | my $func_name = $item[3]; |
314 | my $owner = ''; |
315 | my $sql = "$item[1] $item[2] $item[3] $item[4]"; |
316 | |
317 | $procedures{ $func_name }{'order'} = ++$proc_order; |
318 | $procedures{ $func_name }{'name'} = $func_name; |
319 | $procedures{ $func_name }{'owner'} = $owner; |
320 | $procedures{ $func_name }{'sql'} = $sql; |
07d6e5f7 |
321 | } |
d31c185b |
322 | |
323 | PROCEDURE : /procedure/i |
07d6e5f7 |
324 | | /function/i |
d31c185b |
325 | |
326 | create : CREATE algorithm /view/i NAME not_delimiter "$delimiter" |
07d6e5f7 |
327 | { |
328 | @table_comments = (); |
d31c185b |
329 | my $view_name = $item[4]; |
330 | my $sql = "$item[1] $item[2] $item[3] $item[4] $item[5]"; |
331 | |
332 | # Hack to strip database from function calls in SQL |
333 | $sql =~ s#`\w+`\.(`\w+`\()##g; |
334 | |
335 | $views{ $view_name }{'order'} = ++$view_order; |
336 | $views{ $view_name }{'name'} = $view_name; |
337 | $views{ $view_name }{'sql'} = $sql; |
07d6e5f7 |
338 | } |
d31c185b |
339 | |
340 | algorithm : /algorithm/i /=/ WORD |
07d6e5f7 |
341 | { |
342 | $return = "$item[1]=$item[3]"; |
343 | } |
d31c185b |
344 | |
345 | not_delimiter : /.*?(?=$delimiter)/is |
346 | |
f2cf1734 |
347 | create_definition : constraint |
348 | | index |
d529894e |
349 | | field |
02a21f1a |
350 | | comment |
d529894e |
351 | | <error> |
352 | |
734dfc91 |
353 | comment : /^\s*(?:#|-{2}).*\n/ |
354 | { |
355 | my $comment = $item[1]; |
a82fa2cb |
356 | $comment =~ s/^\s*(#|--)\s*//; |
734dfc91 |
357 | $comment =~ s/\s*$//; |
358 | $return = $comment; |
734dfc91 |
359 | } |
360 | |
da9f2af8 |
361 | comment : /\/\*/ /.*?\*\//s |
e78d62f2 |
362 | { |
363 | my $comment = $item[2]; |
73212389 |
364 | $comment = substr($comment, 0, -2); |
e78d62f2 |
365 | $comment =~ s/^\s*|\s*$//g; |
366 | $return = $comment; |
367 | } |
86318717 |
368 | |
734dfc91 |
369 | field_comment : /^\s*(?:#|-{2}).*\n/ |
370 | { |
371 | my $comment = $item[1]; |
a82fa2cb |
372 | $comment =~ s/^\s*(#|--)\s*//; |
734dfc91 |
373 | $comment =~ s/\s*$//; |
374 | $return = $comment; |
375 | } |
d529894e |
376 | |
35843e6b |
377 | |
378 | field_comment2 : /comment/i /'.*?'/ |
379 | { |
380 | my $comment = $item[2]; |
381 | $comment =~ s/^'//; |
382 | $comment =~ s/'$//; |
383 | $return = $comment; |
384 | } |
385 | |
d529894e |
386 | blank : /\s*/ |
387 | |
100684f3 |
388 | field : field_comment(s?) field_name data_type field_qualifier(s?) field_comment2(?) reference_definition(?) on_update(?) field_comment(s?) |
d529894e |
389 | { |
734dfc91 |
390 | my %qualifiers = map { %$_ } @{ $item{'field_qualifier(s?)'} || [] }; |
d529894e |
391 | if ( my @type_quals = @{ $item{'data_type'}{'qualifiers'} || [] } ) { |
392 | $qualifiers{ $_ } = 1 for @type_quals; |
393 | } |
394 | |
c5dabd71 |
395 | my $null = defined $qualifiers{'not_null'} |
396 | ? $qualifiers{'not_null'} : 1; |
397 | delete $qualifiers{'not_null'}; |
398 | |
35843e6b |
399 | my @comments = ( @{ $item[1] }, @{ $item[5] }, @{ $item[8] } ); |
88b89793 |
400 | |
d529894e |
401 | $return = { |
f2cf1734 |
402 | supertype => 'field', |
403 | name => $item{'field_name'}, |
404 | data_type => $item{'data_type'}{'type'}, |
405 | size => $item{'data_type'}{'size'}, |
406 | list => $item{'data_type'}{'list'}, |
407 | null => $null, |
408 | constraints => $item{'reference_definition(?)'}, |
88b89793 |
409 | comments => [ @comments ], |
d529894e |
410 | %qualifiers, |
411 | } |
412 | } |
413 | | <error> |
dd2ef5ae |
414 | |
d529894e |
415 | field_qualifier : not_null |
416 | { |
417 | $return = { |
418 | null => $item{'not_null'}, |
419 | } |
420 | } |
16dc9970 |
421 | |
d529894e |
422 | field_qualifier : default_val |
423 | { |
424 | $return = { |
425 | default => $item{'default_val'}, |
426 | } |
427 | } |
16dc9970 |
428 | |
d529894e |
429 | field_qualifier : auto_inc |
430 | { |
431 | $return = { |
432 | is_auto_inc => $item{'auto_inc'}, |
433 | } |
434 | } |
16dc9970 |
435 | |
d529894e |
436 | field_qualifier : primary_key |
437 | { |
438 | $return = { |
439 | is_primary_key => $item{'primary_key'}, |
440 | } |
441 | } |
16dc9970 |
442 | |
d529894e |
443 | field_qualifier : unsigned |
444 | { |
445 | $return = { |
446 | is_unsigned => $item{'unsigned'}, |
447 | } |
448 | } |
16dc9970 |
449 | |
19c5bc53 |
450 | field_qualifier : /character set/i WORD |
095b4549 |
451 | { |
452 | $return = { |
bd30a9a2 |
453 | 'CHARACTER SET' => $item[2], |
454 | } |
455 | } |
456 | |
457 | field_qualifier : /collate/i WORD |
458 | { |
459 | $return = { |
460 | COLLATE => $item[2], |
461 | } |
462 | } |
463 | |
464 | field_qualifier : /on update/i CURRENT_TIMESTAMP |
465 | { |
466 | $return = { |
467 | 'ON UPDATE' => $item[2], |
095b4549 |
468 | } |
469 | } |
470 | |
bd356af8 |
471 | field_qualifier : /unique/i KEY(?) |
472 | { |
473 | $return = { |
474 | is_unique => 1, |
475 | } |
476 | } |
477 | |
478 | field_qualifier : KEY |
479 | { |
480 | $return = { |
481 | has_index => 1, |
482 | } |
483 | } |
484 | |
100684f3 |
485 | reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete(?) on_update(?) |
658637cd |
486 | { |
40c1ade1 |
487 | $return = { |
658637cd |
488 | type => 'foreign_key', |
489 | reference_table => $item[2], |
490 | reference_fields => $item[3][0], |
491 | match_type => $item[4][0], |
100684f3 |
492 | on_delete => $item[5][0], |
493 | on_update => $item[6][0], |
658637cd |
494 | } |
495 | } |
496 | |
02a21f1a |
497 | match_type : /match full/i { 'full' } |
658637cd |
498 | | |
02a21f1a |
499 | /match partial/i { 'partial' } |
658637cd |
500 | |
100684f3 |
501 | on_delete : /on delete/i reference_option |
658637cd |
502 | { $item[2] } |
503 | |
100684f3 |
504 | on_update : |
6fa97af6 |
505 | /on update/i 'CURRENT_TIMESTAMP' |
506 | { $item[2] } |
507 | | |
508 | /on update/i reference_option |
658637cd |
509 | { $item[2] } |
510 | |
511 | reference_option: /restrict/i | |
512 | /cascade/i | |
513 | /set null/i | |
514 | /no action/i | |
515 | /set default/i |
516 | { $item[1] } |
517 | |
f2cf1734 |
518 | index : normal_index |
371f5f88 |
519 | | fulltext_index |
58a88238 |
520 | | <error> |
d529894e |
521 | |
0d41bc9b |
522 | table_name : NAME |
d529894e |
523 | |
0d41bc9b |
524 | field_name : NAME |
d529894e |
525 | |
02a21f1a |
526 | index_name : NAME |
d529894e |
527 | |
528 | data_type : WORD parens_value_list(s?) type_qualifier(s?) |
529 | { |
530 | my $type = $item[1]; |
531 | my $size; # field size, applicable only to non-set fields |
532 | my $list; # set list, applicable only to sets (duh) |
533 | |
44fcd0b5 |
534 | if ( uc($type) =~ /^(SET|ENUM)$/ ) { |
d529894e |
535 | $size = undef; |
536 | $list = $item[2][0]; |
537 | } |
538 | else { |
539 | $size = $item[2][0]; |
540 | $list = []; |
541 | } |
542 | |
256d534a |
543 | |
d529894e |
544 | $return = { |
545 | type => $type, |
546 | size => $size, |
547 | list => $list, |
548 | qualifiers => $item[3], |
549 | } |
550 | } |
16dc9970 |
551 | |
658637cd |
552 | parens_field_list : '(' field_name(s /,/) ')' |
553 | { $item[2] } |
554 | |
d529894e |
555 | parens_value_list : '(' VALUE(s /,/) ')' |
556 | { $item[2] } |
16dc9970 |
557 | |
d529894e |
558 | type_qualifier : /(BINARY|UNSIGNED|ZEROFILL)/i |
559 | { lc $item[1] } |
16dc9970 |
560 | |
d529894e |
561 | field_type : WORD |
16dc9970 |
562 | |
d529894e |
563 | create_index : /create/i /index/i |
dd2ef5ae |
564 | |
e78d62f2 |
565 | not_null : /not/i /null/i |
566 | { $return = 0 } |
567 | | |
568 | /null/i |
569 | { $return = 1 } |
16dc9970 |
570 | |
d529894e |
571 | unsigned : /unsigned/i { $return = 0 } |
16dc9970 |
572 | |
09fa21a6 |
573 | #default_val : /default/i /(?:')?[\s\w\d:.-]*(?:')?/ |
574 | # { |
575 | # $item[2] =~ s/'//g; |
576 | # $return = $item[2]; |
577 | # } |
578 | |
6fa97af6 |
579 | default_val : |
580 | /default/i 'CURRENT_TIMESTAMP' |
581 | { |
582 | $return = $item[2]; |
583 | } |
584 | | |
585 | /default/i /'(?:.*?\\')*.*?'|(?:')?[\w\d:.-]*(?:')?/ |
09fa21a6 |
586 | { |
587 | $item[2] =~ s/^\s*'|'\s*$//g; |
d529894e |
588 | $return = $item[2]; |
589 | } |
16dc9970 |
590 | |
d529894e |
591 | auto_inc : /auto_increment/i { 1 } |
16dc9970 |
592 | |
d529894e |
593 | primary_key : /primary/i /key/i { 1 } |
16dc9970 |
594 | |
f2cf1734 |
595 | constraint : primary_key_def |
596 | | unique_key_def |
597 | | foreign_key_def |
598 | | <error> |
599 | |
02a21f1a |
600 | foreign_key_def : foreign_key_def_begin parens_field_list reference_definition |
40c1ade1 |
601 | { |
602 | $return = { |
f2cf1734 |
603 | supertype => 'constraint', |
40c1ade1 |
604 | type => 'foreign_key', |
02a21f1a |
605 | name => $item[1], |
09fa21a6 |
606 | fields => $item[2], |
40c1ade1 |
607 | %{ $item{'reference_definition'} }, |
608 | } |
609 | } |
610 | |
e78d62f2 |
611 | foreign_key_def_begin : /constraint/i /foreign key/i WORD |
612 | { $return = $item[3] } |
613 | | |
614 | /constraint/i NAME /foreign key/i |
615 | { $return = $item[2] } |
616 | | |
617 | /constraint/i /foreign key/i |
02a21f1a |
618 | { $return = '' } |
619 | | |
e78d62f2 |
620 | /foreign key/i WORD |
02a21f1a |
621 | { $return = $item[2] } |
622 | | |
623 | /foreign key/i |
624 | { $return = '' } |
40c1ade1 |
625 | |
1853ba82 |
626 | primary_key_def : primary_key index_name(?) '(' name_with_opt_paren(s /,/) ')' |
d529894e |
627 | { |
f2cf1734 |
628 | $return = { |
629 | supertype => 'constraint', |
630 | name => $item{'index_name(?)'}[0], |
631 | type => 'primary_key', |
632 | fields => $item[4], |
58a88238 |
633 | }; |
d529894e |
634 | } |
16dc9970 |
635 | |
f2cf1734 |
636 | unique_key_def : UNIQUE KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' |
d529894e |
637 | { |
f2cf1734 |
638 | $return = { |
639 | supertype => 'constraint', |
640 | name => $item{'index_name(?)'}[0], |
641 | type => 'unique', |
642 | fields => $item[5], |
d529894e |
643 | } |
644 | } |
16dc9970 |
645 | |
f2cf1734 |
646 | normal_index : KEY index_name(?) '(' name_with_opt_paren(s /,/) ')' |
d529894e |
647 | { |
f2cf1734 |
648 | $return = { |
649 | supertype => 'index', |
650 | type => 'normal', |
651 | name => $item{'index_name(?)'}[0], |
652 | fields => $item[4], |
d529894e |
653 | } |
654 | } |
16dc9970 |
655 | |
f2cf1734 |
656 | fulltext_index : /fulltext/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')' |
371f5f88 |
657 | { |
f2cf1734 |
658 | $return = { |
659 | supertype => 'index', |
660 | type => 'fulltext', |
661 | name => $item{'index_name(?)'}[0], |
662 | fields => $item[5], |
371f5f88 |
663 | } |
664 | } |
665 | |
d529894e |
666 | name_with_opt_paren : NAME parens_value_list(s?) |
667 | { $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] } |
16dc9970 |
668 | |
f2cf1734 |
669 | UNIQUE : /unique/i { 1 } |
16dc9970 |
670 | |
f2cf1734 |
671 | KEY : /key/i | /index/i |
16dc9970 |
672 | |
19c5bc53 |
673 | table_option : /comment/i /=/ /'.*?'/ |
35843e6b |
674 | { |
675 | my $comment = $item[3]; |
676 | $comment =~ s/^'//; |
677 | $comment =~ s/'$//; |
678 | $return = { comment => $comment }; |
679 | } |
bd30a9a2 |
680 | | /(default )?(charset|character set)/i /\s*=\s*/ WORD |
d529894e |
681 | { |
bd30a9a2 |
682 | $return = { 'CHARACTER SET' => $item[3] }; |
d529894e |
683 | } |
19c5bc53 |
684 | | WORD /\s*=\s*/ WORD |
685 | { |
686 | $return = { $item[1] => $item[3] }; |
687 | } |
bd30a9a2 |
688 | |
689 | default : /default/i |
16dc9970 |
690 | |
13aec984 |
691 | ADD : /add/i |
692 | |
693 | ALTER : /alter/i |
694 | |
40c1ade1 |
695 | CREATE : /create/i |
696 | |
697 | TEMPORARY : /temporary/i |
698 | |
699 | TABLE : /table/i |
700 | |
d529894e |
701 | WORD : /\w+/ |
16dc9970 |
702 | |
d529894e |
703 | DIGITS : /\d+/ |
16dc9970 |
704 | |
d529894e |
705 | COMMA : ',' |
16dc9970 |
706 | |
d529894e |
707 | NAME : "`" /\w+/ "`" |
708 | { $item[2] } |
709 | | /\w+/ |
710 | { $item[1] } |
16dc9970 |
711 | |
d529894e |
712 | VALUE : /[-+]?\.?\d+(?:[eE]\d+)?/ |
713 | { $item[1] } |
f2cf1734 |
714 | | /'.*?'/ |
715 | { |
716 | # remove leading/trailing quotes |
717 | my $val = $item[1]; |
718 | $val =~ s/^['"]|['"]$//g; |
719 | $return = $val; |
720 | } |
d529894e |
721 | | /NULL/ |
722 | { 'NULL' } |
16dc9970 |
723 | |
bd30a9a2 |
724 | CURRENT_TIMESTAMP : /current_timestamp(\(\))?/i |
07d6e5f7 |
725 | | /now\(\)/i |
726 | { 'CURRENT_TIMESTAMP' } |
727 | |
9bf756df |
728 | END_OF_GRAMMAR |
16dc9970 |
729 | |
d529894e |
730 | # ------------------------------------------------------------------- |
731 | sub parse { |
70944bc5 |
732 | my ( $translator, $data ) = @_; |
40c1ade1 |
733 | my $parser = Parse::RecDescent->new($GRAMMAR); |
077ebf34 |
734 | |
e099bee9 |
735 | local $::RD_TRACE = $translator->trace ? 1 : undef; |
736 | local $DEBUG = $translator->debug; |
d529894e |
737 | |
738 | unless (defined $parser) { |
739 | return $translator->error("Error instantiating Parse::RecDescent ". |
740 | "instance: Bad grammer"); |
741 | } |
d31c185b |
742 | |
743 | # Preprocess for MySQL-specific and not-before-version comments from mysqldump |
744 | my $parser_version = $translator->parser_args->{mysql_parser_version} || DEFAULT_PARSER_VERSION; |
745 | while ( $data =~ s#/\*!(\d{5})?(.*?)\*/#($1 && $1 > $parser_version ? '' : $2)#es ) {} |
d529894e |
746 | |
747 | my $result = $parser->startrule($data); |
40c1ade1 |
748 | return $translator->error( "Parse failed." ) unless defined $result; |
13aec984 |
749 | warn "Parse result:".Dumper( $result ) if $DEBUG; |
8ccdeb42 |
750 | |
70944bc5 |
751 | my $schema = $translator->schema; |
13aec984 |
752 | $schema->name($result->{'database_name'}) if $result->{'database_name'}; |
753 | |
034ecdec |
754 | my @tables = sort { |
13aec984 |
755 | $result->{'tables'}{ $a }{'order'} |
756 | <=> |
757 | $result->{'tables'}{ $b }{'order'} |
758 | } keys %{ $result->{'tables'} }; |
034ecdec |
759 | |
760 | for my $table_name ( @tables ) { |
13aec984 |
761 | my $tdata = $result->{tables}{ $table_name }; |
8ccdeb42 |
762 | my $table = $schema->add_table( |
763 | name => $tdata->{'table_name'}, |
40c1ade1 |
764 | ) or die $schema->error; |
8ccdeb42 |
765 | |
734dfc91 |
766 | $table->comments( $tdata->{'comments'} ); |
f2cf1734 |
767 | |
8ccdeb42 |
768 | my @fields = sort { |
769 | $tdata->{'fields'}->{$a}->{'order'} |
770 | <=> |
771 | $tdata->{'fields'}->{$b}->{'order'} |
772 | } keys %{ $tdata->{'fields'} }; |
773 | |
774 | for my $fname ( @fields ) { |
775 | my $fdata = $tdata->{'fields'}{ $fname }; |
776 | my $field = $table->add_field( |
777 | name => $fdata->{'name'}, |
778 | data_type => $fdata->{'data_type'}, |
779 | size => $fdata->{'size'}, |
780 | default_value => $fdata->{'default'}, |
781 | is_auto_increment => $fdata->{'is_auto_inc'}, |
782 | is_nullable => $fdata->{'null'}, |
88b89793 |
783 | comments => $fdata->{'comments'}, |
40c1ade1 |
784 | ) or die $table->error; |
f2cf1734 |
785 | |
786 | $table->primary_key( $field->name ) if $fdata->{'is_primary_key'}; |
787 | |
bd30a9a2 |
788 | for my $qual ( qw[ binary unsigned zerofill list collate ], |
07d6e5f7 |
789 | 'character set', 'on update' ) { |
f2cf1734 |
790 | if ( my $val = $fdata->{ $qual } || $fdata->{ uc $qual } ) { |
791 | next if ref $val eq 'ARRAY' && !@$val; |
792 | $field->extra( $qual, $val ); |
793 | } |
794 | } |
795 | |
bd356af8 |
796 | if ( $fdata->{'has_index'} ) { |
797 | $table->add_index( |
798 | name => '', |
799 | type => 'NORMAL', |
800 | fields => $fdata->{'name'}, |
801 | ) or die $table->error; |
802 | } |
803 | |
804 | if ( $fdata->{'is_unique'} ) { |
805 | $table->add_constraint( |
806 | name => '', |
807 | type => 'UNIQUE', |
808 | fields => $fdata->{'name'}, |
809 | ) or die $table->error; |
810 | } |
811 | |
f2cf1734 |
812 | for my $cdata ( @{ $fdata->{'constraints'} } ) { |
813 | next unless $cdata->{'type'} eq 'foreign_key'; |
814 | $cdata->{'fields'} ||= [ $field->name ]; |
815 | push @{ $tdata->{'constraints'} }, $cdata; |
816 | } |
07d6e5f7 |
817 | |
f2cf1734 |
818 | } |
819 | |
820 | for my $idata ( @{ $tdata->{'indices'} || [] } ) { |
821 | my $index = $table->add_index( |
822 | name => $idata->{'name'}, |
823 | type => uc $idata->{'type'}, |
824 | fields => $idata->{'fields'}, |
825 | ) or die $table->error; |
826 | } |
827 | |
02a21f1a |
828 | if ( my @options = @{ $tdata->{'table_options'} || [] } ) { |
829 | $table->options( \@options ) or die $table->error; |
830 | } |
831 | |
f2cf1734 |
832 | for my $cdata ( @{ $tdata->{'constraints'} || [] } ) { |
833 | my $constraint = $table->add_constraint( |
834 | name => $cdata->{'name'}, |
835 | type => $cdata->{'type'}, |
836 | fields => $cdata->{'fields'}, |
837 | reference_table => $cdata->{'reference_table'}, |
838 | reference_fields => $cdata->{'reference_fields'}, |
839 | match_type => $cdata->{'match_type'} || '', |
100684f3 |
840 | on_delete => $cdata->{'on_delete'} || $cdata->{'on_delete_do'}, |
841 | on_update => $cdata->{'on_update'} || $cdata->{'on_update_do'}, |
f2cf1734 |
842 | ) or die $table->error; |
8ccdeb42 |
843 | } |
07d6e5f7 |
844 | |
845 | # After the constrains and PK/idxs have been created, we normalize fields |
846 | normalize_field($_) for $table->get_fields; |
8ccdeb42 |
847 | } |
d31c185b |
848 | |
849 | my @procedures = sort { |
850 | $result->{procedures}->{ $a }->{'order'} <=> $result->{procedures}->{ $b }->{'order'} |
851 | } keys %{ $result->{procedures} }; |
852 | foreach my $proc_name (@procedures) { |
07d6e5f7 |
853 | $schema->add_procedure( |
854 | name => $proc_name, |
855 | owner => $result->{procedures}->{$proc_name}->{owner}, |
856 | sql => $result->{procedures}->{$proc_name}->{sql}, |
857 | ); |
d31c185b |
858 | } |
859 | |
860 | my @views = sort { |
861 | $result->{views}->{ $a }->{'order'} <=> $result->{views}->{ $b }->{'order'} |
862 | } keys %{ $result->{views} }; |
863 | foreach my $view_name (keys %{ $result->{views} }) { |
07d6e5f7 |
864 | $schema->add_view( |
865 | name => $view_name, |
866 | sql => $result->{views}->{$view_name}->{sql}, |
867 | ); |
d31c185b |
868 | } |
8ccdeb42 |
869 | |
f62bd16c |
870 | return 1; |
d529894e |
871 | } |
872 | |
07d6e5f7 |
873 | # Takes a field, and returns |
874 | sub normalize_field { |
875 | my ($field) = @_; |
876 | my ($size, $type, $list, $changed) = @_; |
877 | |
878 | $size = $field->size; |
879 | $type = $field->data_type; |
880 | $list = $field->extra->{list} || []; |
881 | |
882 | if ( !ref $size && $size eq 0 ) { |
883 | if ( lc $type eq 'tinyint' ) { |
884 | $changed = $size != 4; |
885 | $size = 4; |
886 | } |
887 | elsif ( lc $type eq 'smallint' ) { |
888 | $changed = $size != 6; |
889 | $size = 6; |
890 | } |
891 | elsif ( lc $type eq 'mediumint' ) { |
892 | $changed = $size != 9; |
893 | $size = 9; |
894 | } |
895 | elsif ( $type =~ /^int(eger)?$/i ) { |
896 | $changed = $size != 11 || $type ne 'int'; |
897 | $type = 'int'; |
898 | $size = 11; |
899 | } |
900 | elsif ( lc $type eq 'bigint' ) { |
901 | $changed = $size != 20; |
902 | $size = 20; |
903 | } |
904 | elsif ( lc $type =~ /(float|double|decimal|numeric|real|fixed|dec)/ ) { |
905 | my $old_size = (ref $size || '') eq 'ARRAY' ? $size : []; |
906 | $changed = @$old_size != 2 && $old_size->[0] != 8 && $old_size->[1] != 2; |
907 | $size = [8,2]; |
908 | } |
909 | } |
910 | |
911 | if ( $type =~ /^tiny(text|blob)$/i ) { |
912 | $changed = $size != 255; |
913 | $size = 255; |
914 | } |
915 | elsif ( $type =~ /^(blob|text)$/i ) { |
916 | $changed = $size != 65_535; |
917 | $size = 65_535; |
918 | } |
919 | elsif ( $type =~ /^medium(blob|text)$/i ) { |
920 | $changed = $size != 16_777_215; |
921 | $size = 16_777_215; |
922 | } |
923 | elsif ( $type =~ /^long(blob|text)$/i ) { |
924 | $changed = $size != 4_294_967_295; |
925 | $size = 4_294_967_295; |
926 | } |
9ab59f87 |
927 | if ( $field->data_type =~ /(set|enum)/i && !$field->size ) { |
928 | my %extra = $field->extra; |
929 | my $longest = 0; |
930 | for my $len ( map { length } @{ $extra{'list'} || [] } ) { |
931 | $longest = $len if $len > $longest; |
932 | } |
933 | $changed = 1; |
934 | $size = $longest if $longest; |
935 | } |
936 | |
937 | |
07d6e5f7 |
938 | if ($changed) { |
939 | # We only want to clone the field, not *everything* |
940 | { local $field->{table} = undef; |
941 | $field->parsed_field(dclone($field)); |
942 | $field->parsed_field->{table} = $field->table; |
943 | } |
944 | $field->size($size); |
945 | $field->data_type($type); |
9ab59f87 |
946 | $field->sql_data_type( $type_mapping{lc $type} ) if exists $type_mapping{lc $type}; |
07d6e5f7 |
947 | $field->extra->{list} = $list if @$list; |
948 | } |
949 | } |
950 | |
6b2dbb1a |
951 | |
d529894e |
952 | 1; |
953 | |
034ecdec |
954 | # ------------------------------------------------------------------- |
d529894e |
955 | # Where man is not nature is barren. |
956 | # William Blake |
034ecdec |
957 | # ------------------------------------------------------------------- |
16dc9970 |
958 | |
d529894e |
959 | =pod |
16dc9970 |
960 | |
961 | =head1 AUTHOR |
962 | |
19c5bc53 |
963 | Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>, |
8ccdeb42 |
964 | Chris Mungall E<lt>cjm@fruitfly.orgE<gt>. |
16dc9970 |
965 | |
966 | =head1 SEE ALSO |
967 | |
19c5bc53 |
968 | Parse::RecDescent, SQL::Translator::Schema. |
16dc9970 |
969 | |
970 | =cut |