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1 | package SQL::Translator::Parser::PostgreSQL; |
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2 | |
3 | # ------------------------------------------------------------------- |
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4 | # Copyright (C) 2002-2009 SQLFairy Authors |
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5 | # |
6 | # This program is free software; you can redistribute it and/or |
7 | # modify it under the terms of the GNU General Public License as |
8 | # published by the Free Software Foundation; version 2. |
9 | # |
10 | # This program is distributed in the hope that it will be useful, but |
11 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | # General Public License for more details. |
14 | # |
15 | # You should have received a copy of the GNU General Public License |
16 | # along with this program; if not, write to the Free Software |
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17 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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18 | # 02111-1307 USA |
19 | # ------------------------------------------------------------------- |
20 | |
21 | =head1 NAME |
22 | |
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23 | SQL::Translator::Parser::PostgreSQL - parser for PostgreSQL |
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24 | |
25 | =head1 SYNOPSIS |
26 | |
27 | use SQL::Translator; |
84012a55 |
28 | use SQL::Translator::Parser::PostgreSQL; |
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29 | |
30 | my $translator = SQL::Translator->new; |
84012a55 |
31 | $translator->parser("SQL::Translator::Parser::PostgreSQL"); |
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32 | |
33 | =head1 DESCRIPTION |
34 | |
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35 | The grammar was started from the MySQL parsers. Here is the description |
36 | from PostgreSQL: |
37 | |
38 | Table: |
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39 | (http://www.postgresql.org/docs/view.php?version=7.3&idoc=1&file=sql-createtable.html) |
40 | |
41 | CREATE [ [ LOCAL ] { TEMPORARY | TEMP } ] TABLE table_name ( |
42 | { column_name data_type [ DEFAULT default_expr ] |
43 | [ column_constraint [, ... ] ] |
44 | | table_constraint } [, ... ] |
45 | ) |
46 | [ INHERITS ( parent_table [, ... ] ) ] |
47 | [ WITH OIDS | WITHOUT OIDS ] |
48 | |
49 | where column_constraint is: |
50 | |
51 | [ CONSTRAINT constraint_name ] |
52 | { NOT NULL | NULL | UNIQUE | PRIMARY KEY | |
53 | CHECK (expression) | |
54 | REFERENCES reftable [ ( refcolumn ) ] [ MATCH FULL | MATCH PARTIAL ] |
55 | [ ON DELETE action ] [ ON UPDATE action ] } |
56 | [ DEFERRABLE | NOT DEFERRABLE ] |
57 | [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ] |
58 | |
59 | and table_constraint is: |
60 | |
61 | [ CONSTRAINT constraint_name ] |
62 | { UNIQUE ( column_name [, ... ] ) | |
63 | PRIMARY KEY ( column_name [, ... ] ) | |
64 | CHECK ( expression ) | |
65 | FOREIGN KEY ( column_name [, ... ] ) |
66 | REFERENCES reftable [ ( refcolumn [, ... ] ) ] |
67 | [ MATCH FULL | MATCH PARTIAL ] |
68 | [ ON DELETE action ] [ ON UPDATE action ] } |
69 | [ DEFERRABLE | NOT DEFERRABLE ] |
70 | [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ] |
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71 | |
72 | Index: |
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73 | (http://www.postgresql.org/docs/view.php?version=7.3&idoc=1&file=sql-createindex.html) |
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74 | |
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75 | CREATE [ UNIQUE ] INDEX index_name ON table |
76 | [ USING acc_method ] ( column [ ops_name ] [, ...] ) |
77 | [ WHERE predicate ] |
78 | CREATE [ UNIQUE ] INDEX index_name ON table |
79 | [ USING acc_method ] ( func_name( column [, ... ]) [ ops_name ] ) |
80 | [ WHERE predicate ] |
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81 | |
0012a163 |
82 | Alter table: |
83 | |
84 | ALTER TABLE [ ONLY ] table [ * ] |
85 | ADD [ COLUMN ] column type [ column_constraint [ ... ] ] |
86 | ALTER TABLE [ ONLY ] table [ * ] |
87 | ALTER [ COLUMN ] column { SET DEFAULT value | DROP DEFAULT } |
88 | ALTER TABLE [ ONLY ] table [ * ] |
89 | ALTER [ COLUMN ] column SET STATISTICS integer |
90 | ALTER TABLE [ ONLY ] table [ * ] |
91 | RENAME [ COLUMN ] column TO newcolumn |
92 | ALTER TABLE table |
93 | RENAME TO new_table |
94 | ALTER TABLE table |
95 | ADD table_constraint_definition |
96 | ALTER TABLE [ ONLY ] table |
97 | DROP CONSTRAINT constraint { RESTRICT | CASCADE } |
98 | ALTER TABLE table |
99 | OWNER TO new_owner |
100 | |
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101 | View table: |
102 | |
103 | CREATE [ OR REPLACE ] VIEW view [ ( column name list ) ] AS SELECT query |
104 | |
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105 | =cut |
106 | |
107 | use strict; |
da06ac74 |
108 | use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ]; |
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109 | $VERSION = '1.59'; |
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110 | $DEBUG = 0 unless defined $DEBUG; |
111 | |
112 | use Data::Dumper; |
113 | use Parse::RecDescent; |
114 | use Exporter; |
115 | use base qw(Exporter); |
116 | |
117 | @EXPORT_OK = qw(parse); |
118 | |
119 | # Enable warnings within the Parse::RecDescent module. |
120 | $::RD_ERRORS = 1; # Make sure the parser dies when it encounters an error |
121 | $::RD_WARN = 1; # Enable warnings. This will warn on unused rules &c. |
122 | $::RD_HINT = 1; # Give out hints to help fix problems. |
123 | |
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124 | $GRAMMAR = q! |
125 | |
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126 | { my ( %tables, @views, $table_order, $field_order, @table_comments) } |
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127 | |
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128 | # |
129 | # The "eofile" rule makes the parser fail if any "statement" rule |
130 | # fails. Otherwise, the first successful match by a "statement" |
131 | # won't cause the failure needed to know that the parse, as a whole, |
132 | # failed. -ky |
133 | # |
330e4686 |
134 | startrule : statement(s) eofile { { tables => \%tables, views => \@views } } |
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135 | |
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136 | eofile : /^\Z/ |
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137 | |
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138 | |
139 | statement : create |
ac397a49 |
140 | | comment_on_table |
141 | | comment_on_column |
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142 | | comment_on_other |
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143 | | comment |
0012a163 |
144 | | alter |
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145 | | grant |
146 | | revoke |
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147 | | drop |
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148 | | insert |
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149 | | connect |
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150 | | update |
0012a163 |
151 | | set |
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152 | | select |
153 | | copy |
154 | | readin_symbol |
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155 | | commit |
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156 | | <error> |
157 | |
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158 | commit : /commit/i ';' |
159 | |
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160 | connect : /^\s*\\\connect.*\n/ |
161 | |
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162 | set : /set/i /[^;]*/ ';' |
0012a163 |
163 | |
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164 | revoke : /revoke/i WORD(s /,/) /on/i TABLE(?) table_id /from/i name_with_opt_quotes(s /,/) ';' |
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165 | { |
330e4686 |
166 | my $table_info = $item{'table_id'}; |
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167 | my $schema_name = $table_info->{'schema_name'}; |
168 | my $table_name = $table_info->{'table_name'}; |
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169 | push @{ $tables{ $table_name }{'permissions'} }, { |
170 | type => 'revoke', |
171 | actions => $item[2], |
91c75eab |
172 | users => $item[7], |
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173 | } |
174 | } |
175 | |
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176 | revoke : /revoke/i WORD(s /,/) /on/i SCHEMA(?) schema_name /from/i name_with_opt_quotes(s /,/) ';' |
177 | { 1 } |
178 | |
330e4686 |
179 | grant : /grant/i WORD(s /,/) /on/i TABLE(?) table_id /to/i name_with_opt_quotes(s /,/) ';' |
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180 | { |
330e4686 |
181 | my $table_info = $item{'table_id'}; |
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182 | my $schema_name = $table_info->{'schema_name'}; |
183 | my $table_name = $table_info->{'table_name'}; |
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184 | push @{ $tables{ $table_name }{'permissions'} }, { |
185 | type => 'grant', |
186 | actions => $item[2], |
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187 | users => $item[7], |
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188 | } |
189 | } |
190 | |
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191 | grant : /grant/i WORD(s /,/) /on/i SCHEMA(?) schema_name /to/i name_with_opt_quotes(s /,/) ';' |
192 | { 1 } |
193 | |
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194 | drop : /drop/i /[^;]*/ ';' |
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195 | |
9bf756df |
196 | string : |
197 | /'(\\.|''|[^\\\'])*'/ |
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198 | |
9bf756df |
199 | nonstring : /[^;\'"]+/ |
200 | |
9644fab3 |
201 | statement_body : string | nonstring |
9bf756df |
202 | |
9644fab3 |
203 | insert : /insert/i statement_body(s?) ';' |
9bf756df |
204 | |
9644fab3 |
205 | update : /update/i statement_body(s?) ';' |
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206 | |
0012a163 |
207 | # |
208 | # Create table. |
209 | # |
330e4686 |
210 | create : CREATE temporary(?) TABLE table_id '(' create_definition(s? /,/) ')' table_option(s?) ';' |
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211 | { |
330e4686 |
212 | my $table_info = $item{'table_id'}; |
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213 | my $schema_name = $table_info->{'schema_name'}; |
214 | my $table_name = $table_info->{'table_name'}; |
215 | $tables{ $table_name }{'order'} = ++$table_order; |
216 | $tables{ $table_name }{'schema_name'} = $schema_name; |
217 | $tables{ $table_name }{'table_name'} = $table_name; |
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218 | |
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219 | $tables{ $table_name }{'temporary'} = $item[2][0]; |
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220 | |
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221 | if ( @table_comments ) { |
222 | $tables{ $table_name }{'comments'} = [ @table_comments ]; |
223 | @table_comments = (); |
224 | } |
225 | |
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226 | my @constraints; |
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227 | for my $definition ( @{ $item[6] } ) { |
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228 | if ( $definition->{'supertype'} eq 'field' ) { |
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229 | my $field_name = $definition->{'name'}; |
230 | $tables{ $table_name }{'fields'}{ $field_name } = |
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231 | { %$definition, order => $field_order++ }; |
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232 | |
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233 | for my $constraint ( @{ $definition->{'constraints'} || [] } ) { |
234 | $constraint->{'fields'} = [ $field_name ]; |
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235 | push @{ $tables{ $table_name }{'constraints'} }, |
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236 | $constraint; |
0efb6e1b |
237 | } |
238 | } |
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239 | elsif ( $definition->{'supertype'} eq 'constraint' ) { |
240 | push @{ $tables{ $table_name }{'constraints'} }, $definition; |
0efb6e1b |
241 | } |
b3384294 |
242 | elsif ( $definition->{'supertype'} eq 'index' ) { |
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243 | push @{ $tables{ $table_name }{'indices'} }, $definition; |
244 | } |
245 | } |
246 | |
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247 | for my $option ( @{ $item[8] } ) { |
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248 | $tables{ $table_name }{'table_options(s?)'}{ $option->{'type'} } = |
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249 | $option; |
250 | } |
251 | |
252 | 1; |
253 | } |
254 | |
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255 | create : CREATE unique(?) /(index|key)/i index_name /on/i table_id using_method(?) '(' field_name(s /,/) ')' where_predicate(?) ';' |
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256 | { |
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257 | my $table_info = $item{'table_id'}; |
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258 | my $schema_name = $table_info->{'schema_name'}; |
259 | my $table_name = $table_info->{'table_name'}; |
260 | push @{ $tables{ $table_name }{'indices'} }, |
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261 | { |
b3384294 |
262 | name => $item{'index_name'}, |
263 | supertype => $item{'unique'}[0] ? 'constraint' : 'index', |
264 | type => $item{'unique'}[0] ? 'unique' : 'normal', |
265 | fields => $item[9], |
266 | method => $item{'using_method'}[0], |
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267 | } |
268 | ; |
269 | } |
270 | |
330e4686 |
271 | create : CREATE or_replace(?) temporary(?) VIEW view_id view_fields(?) /AS/i view_target ';' |
272 | { |
273 | push @views, { |
274 | schema_name => $item{view_id}{schema_name}, |
275 | view_name => $item{view_id}{view_name}, |
276 | sql => $item{view_target}, |
277 | fields => $item[6], |
278 | is_temporary => $item[3][0], |
279 | } |
280 | } |
281 | |
0012a163 |
282 | # |
211e2e90 |
283 | # Create anything else (e.g., domain, etc.) |
0012a163 |
284 | # |
211e2e90 |
285 | create : CREATE WORD /[^;]+/ ';' |
ac397a49 |
286 | { @table_comments = (); } |
0012a163 |
287 | |
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288 | using_method : /using/i WORD { $item[2] } |
289 | |
290 | where_predicate : /where/i /[^;]+/ |
291 | |
292 | create_definition : field |
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293 | | table_constraint |
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294 | | <error> |
295 | |
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296 | comment : /^\s*(?:#|-{2})(.*)\n/ |
297 | { |
298 | my $comment = $item[1]; |
299 | $comment =~ s/^\s*(#|-*)\s*//; |
300 | $comment =~ s/\s*$//; |
ac397a49 |
301 | $return = $comment; |
302 | push @table_comments, $comment; |
303 | } |
304 | |
330e4686 |
305 | comment_on_table : /comment/i /on/i /table/i table_id /is/i comment_phrase ';' |
ac397a49 |
306 | { |
330e4686 |
307 | my $table_info = $item{'table_id'}; |
a20abbda |
308 | my $schema_name = $table_info->{'schema_name'}; |
309 | my $table_name = $table_info->{'table_name'}; |
310 | push @{ $tables{ $table_name }{'comments'} }, $item{'comment_phrase'}; |
ac397a49 |
311 | } |
312 | |
313 | comment_on_column : /comment/i /on/i /column/i column_name /is/i comment_phrase ';' |
314 | { |
315 | my $table_name = $item[4]->{'table'}; |
316 | my $field_name = $item[4]->{'field'}; |
e1fa2c52 |
317 | if ($tables{ $table_name }{'fields'}{ $field_name } ) { |
318 | push @{ $tables{ $table_name }{'fields'}{ $field_name }{'comments'} }, |
319 | $item{'comment_phrase'}; |
320 | } |
321 | else { |
322 | die "No such column as $table_name.$field_name"; |
323 | } |
ac397a49 |
324 | } |
325 | |
e4a9818d |
326 | comment_on_other : /comment/i /on/i /\w+/ /\w+/ /is/i comment_phrase ';' |
327 | { |
328 | push(@table_comments, $item{'comment_phrase'}); |
329 | } |
330 | |
331 | # [added by cjm 20041019] |
332 | # [TODO: other comment-on types] |
333 | # for now we just have a general mechanism for handling other |
334 | # kinds of comments than table/column; I'm not sure of the best |
335 | # way to incorporate these into the datamodel |
336 | # |
337 | # this is the exhaustive list of types of comment: |
338 | #COMMENT ON DATABASE my_database IS 'Development Database'; |
339 | #COMMENT ON INDEX my_index IS 'Enforces uniqueness on employee id'; |
340 | #COMMENT ON RULE my_rule IS 'Logs UPDATES of employee records'; |
341 | #COMMENT ON SEQUENCE my_sequence IS 'Used to generate primary keys'; |
342 | #COMMENT ON TABLE my_table IS 'Employee Information'; |
343 | #COMMENT ON TYPE my_type IS 'Complex Number support'; |
344 | #COMMENT ON VIEW my_view IS 'View of departmental costs'; |
345 | #COMMENT ON COLUMN my_table.my_field IS 'Employee ID number'; |
346 | #COMMENT ON TRIGGER my_trigger ON my_table IS 'Used for R.I.'; |
347 | # |
348 | # this is tested by test 08 |
349 | |
ac397a49 |
350 | column_name : NAME '.' NAME |
351 | { $return = { table => $item[1], field => $item[3] } } |
352 | |
e4a9818d |
353 | comment_phrase : /null/i |
354 | { $return = 'NULL' } |
355 | |
356 | comment_phrase : /'/ comment_phrase_unquoted(s) /'/ |
357 | { my $phrase = join(' ', @{ $item[2] }); |
358 | $return = $phrase} |
359 | |
360 | # [cjm TODO: double-single quotes in a comment_phrase] |
361 | comment_phrase_unquoted : /[^\']*/ |
362 | { $return = $item[1] } |
363 | |
364 | |
365 | xxxcomment_phrase : /'.*?'|NULL/ |
ac397a49 |
366 | { |
8e9e79dc |
367 | my $val = $item[1] || ''; |
ac397a49 |
368 | $val =~ s/^'|'$//g; |
369 | $return = $val; |
370 | } |
371 | |
a82fa2cb |
372 | field : field_comment(s?) field_name data_type field_meta(s?) field_comment(s?) |
4422e22a |
373 | { |
3022f45b |
374 | my ( $default, @constraints, $is_pk ); |
00ef67ea |
375 | my $is_nullable = 1; |
41fc9cb3 |
376 | for my $meta ( @{ $item[4] } ) { |
82968eb9 |
377 | if ( $meta->{'type'} eq 'default' ) { |
378 | $default = $meta; |
379 | next; |
380 | } |
381 | elsif ( $meta->{'type'} eq 'not_null' ) { |
00ef67ea |
382 | $is_nullable = 0; |
82968eb9 |
383 | } |
384 | elsif ( $meta->{'type'} eq 'primary_key' ) { |
385 | $is_pk = 1; |
386 | } |
4422e22a |
387 | |
82968eb9 |
388 | push @constraints, $meta if $meta->{'supertype'} eq 'constraint'; |
389 | } |
0efb6e1b |
390 | |
f2f71b8e |
391 | my @comments = ( @{ $item[1] }, @{ $item[5] } ); |
392 | |
0a7fc605 |
393 | $return = { |
b3384294 |
394 | supertype => 'field', |
7eac5e12 |
395 | name => $item{'field_name'}, |
396 | data_type => $item{'data_type'}{'type'}, |
397 | size => $item{'data_type'}{'size'}, |
00ef67ea |
398 | is_nullable => $is_nullable, |
7eac5e12 |
399 | default => $default->{'value'}, |
400 | constraints => [ @constraints ], |
401 | comments => [ @comments ], |
402 | is_primary_key => $is_pk || 0, |
403 | is_auto_increment => $item{'data_type'}{'is_auto_increment'}, |
4422e22a |
404 | } |
405 | } |
406 | | <error> |
407 | |
a82fa2cb |
408 | field_comment : /^\s*(?:#|-{2})(.*)\n/ |
409 | { |
410 | my $comment = $item[1]; |
411 | $comment =~ s/^\s*(#|-*)\s*//; |
412 | $comment =~ s/\s*$//; |
413 | $return = $comment; |
414 | } |
415 | |
0efb6e1b |
416 | field_meta : default_val |
82968eb9 |
417 | | column_constraint |
4422e22a |
418 | |
330e4686 |
419 | view_fields : '(' field_name(s /,/) ')' |
420 | { $return = join (',', @{$item[2]} ) } |
421 | |
0efb6e1b |
422 | column_constraint : constraint_name(?) column_constraint_type deferrable(?) deferred(?) |
423 | { |
424 | my $desc = $item{'column_constraint_type'}; |
425 | my $type = $desc->{'type'}; |
426 | my $fields = $desc->{'fields'} || []; |
427 | my $expression = $desc->{'expression'} || ''; |
428 | |
429 | $return = { |
82968eb9 |
430 | supertype => 'constraint', |
0efb6e1b |
431 | name => $item{'constraint_name'}[0] || '', |
432 | type => $type, |
433 | expression => $type eq 'check' ? $expression : '', |
f04713db |
434 | deferrable => $item{'deferrable'}, |
0efb6e1b |
435 | deferred => $item{'deferred'}, |
436 | reference_table => $desc->{'reference_table'}, |
437 | reference_fields => $desc->{'reference_fields'}, |
438 | match_type => $desc->{'match_type'}, |
100684f3 |
439 | on_delete => $desc->{'on_delete'} || $desc->{'on_delete_do'}, |
440 | on_update => $desc->{'on_update'} || $desc->{'on_update_do'}, |
4422e22a |
441 | } |
442 | } |
443 | |
0efb6e1b |
444 | constraint_name : /constraint/i name_with_opt_quotes { $item[2] } |
445 | |
446 | column_constraint_type : /not null/i { $return = { type => 'not_null' } } |
447 | | |
f04713db |
448 | /null/i |
0efb6e1b |
449 | { $return = { type => 'null' } } |
450 | | |
f04713db |
451 | /unique/i |
0efb6e1b |
452 | { $return = { type => 'unique' } } |
453 | | |
454 | /primary key/i |
455 | { $return = { type => 'primary_key' } } |
456 | | |
457 | /check/i '(' /[^)]+/ ')' |
b3384294 |
458 | { $return = { type => 'check', expression => $item[3] } } |
0efb6e1b |
459 | | |
330e4686 |
460 | /references/i table_id parens_word_list(?) match_type(?) key_action(s?) |
0efb6e1b |
461 | { |
330e4686 |
462 | my $table_info = $item{'table_id'}; |
a20abbda |
463 | my $schema_name = $table_info->{'schema_name'}; |
464 | my $table_name = $table_info->{'table_name'}; |
3022f45b |
465 | my ( $on_delete, $on_update ); |
466 | for my $action ( @{ $item[5] || [] } ) { |
467 | $on_delete = $action->{'action'} if $action->{'type'} eq 'delete'; |
468 | $on_update = $action->{'action'} if $action->{'type'} eq 'update'; |
469 | } |
470 | |
0efb6e1b |
471 | $return = { |
472 | type => 'foreign_key', |
a20abbda |
473 | reference_table => $table_name, |
0138f7bb |
474 | reference_fields => $item[3][0], |
0efb6e1b |
475 | match_type => $item[4][0], |
100684f3 |
476 | on_delete => $on_delete, |
477 | on_update => $on_update, |
ba1a1626 |
478 | } |
4422e22a |
479 | } |
480 | |
330e4686 |
481 | table_id : schema_qualification(?) name_with_opt_quotes { |
482 | $return = { schema_name => $item[1][0], table_name => $item[2] } |
a20abbda |
483 | } |
484 | |
330e4686 |
485 | view_id : schema_qualification(?) name_with_opt_quotes { |
486 | $return = { schema_name => $item[1][0], view_name => $item[2] } |
487 | } |
488 | |
489 | view_target : /select|with/i /[^;]+/ { |
490 | $return = "$item[1] $item[2]"; |
491 | } |
492 | |
493 | # SELECT views _may_ support outer parens, and we used to produce |
494 | # such sql, although non-standard. Use ugly lookeahead to parse |
495 | view_target : '(' /select/i / [^;]+ (?= \) ) /x ')' { |
496 | $return = "$item[2] $item[3]" |
497 | } |
498 | |
499 | view_target_spec : |
500 | |
501 | schema_qualification : name_with_opt_quotes '.' |
4422e22a |
502 | |
34338cb2 |
503 | schema_name : name_with_opt_quotes |
504 | |
0efb6e1b |
505 | field_name : name_with_opt_quotes |
4422e22a |
506 | |
0012a163 |
507 | name_with_opt_quotes : double_quote(?) NAME double_quote(?) { $item[2] } |
4422e22a |
508 | |
0efb6e1b |
509 | double_quote: /"/ |
4422e22a |
510 | |
d4056aa7 |
511 | index_name : name_with_opt_quotes |
4422e22a |
512 | |
0efb6e1b |
513 | data_type : pg_data_type parens_value_list(?) |
4422e22a |
514 | { |
3022f45b |
515 | my $data_type = $item[1]; |
ba1a1626 |
516 | |
0efb6e1b |
517 | # |
518 | # We can deduce some sizes from the data type's name. |
519 | # |
44ffdb73 |
520 | if ( my $size = $item[2][0] ) { |
521 | $data_type->{'size'} = $size; |
522 | } |
4422e22a |
523 | |
3022f45b |
524 | $return = $data_type; |
4422e22a |
525 | } |
526 | |
0efb6e1b |
527 | pg_data_type : |
50840472 |
528 | /(bigint|int8)/i |
3022f45b |
529 | { |
530 | $return = { |
50840472 |
531 | type => 'integer', |
b8ea6076 |
532 | size => 20, |
3022f45b |
533 | }; |
534 | } |
0efb6e1b |
535 | | |
1bbd4a2b |
536 | /(smallint|int2)/i |
3022f45b |
537 | { |
538 | $return = { |
539 | type => 'integer', |
b8ea6076 |
540 | size => 5, |
3022f45b |
541 | }; |
542 | } |
0efb6e1b |
543 | | |
c4c363bb |
544 | /interval/i |
545 | { |
546 | $return = { type => 'interval' }; |
547 | } |
548 | | |
50840472 |
549 | /(integer|int4?)/i # interval must come before this |
3022f45b |
550 | { |
551 | $return = { |
552 | type => 'integer', |
b8ea6076 |
553 | size => 10, |
3022f45b |
554 | }; |
555 | } |
50840472 |
556 | | |
557 | /(real|float4)/i |
558 | { |
559 | $return = { |
560 | type => 'real', |
b8ea6076 |
561 | size => 10, |
50840472 |
562 | }; |
563 | } |
0efb6e1b |
564 | | |
1bbd4a2b |
565 | /(double precision|float8?)/i |
3022f45b |
566 | { |
567 | $return = { |
568 | type => 'float', |
b8ea6076 |
569 | size => 20, |
3022f45b |
570 | }; |
571 | } |
0efb6e1b |
572 | | |
50840472 |
573 | /(bigserial|serial8)/i |
3022f45b |
574 | { |
50840472 |
575 | $return = { |
7eac5e12 |
576 | type => 'integer', |
b8ea6076 |
577 | size => 20, |
7eac5e12 |
578 | is_auto_increment => 1, |
3022f45b |
579 | }; |
580 | } |
0efb6e1b |
581 | | |
1bbd4a2b |
582 | /serial4?/i |
3022f45b |
583 | { |
584 | $return = { |
7eac5e12 |
585 | type => 'integer', |
b8ea6076 |
586 | size => 11, |
7eac5e12 |
587 | is_auto_increment => 1, |
3022f45b |
588 | }; |
589 | } |
0efb6e1b |
590 | | |
1bbd4a2b |
591 | /(bit varying|varbit)/i |
3022f45b |
592 | { |
593 | $return = { type => 'varbit' }; |
594 | } |
0efb6e1b |
595 | | |
1bbd4a2b |
596 | /character varying/i |
3022f45b |
597 | { |
598 | $return = { type => 'varchar' }; |
599 | } |
0efb6e1b |
600 | | |
1bbd4a2b |
601 | /char(acter)?/i |
3022f45b |
602 | { |
603 | $return = { type => 'char' }; |
604 | } |
0efb6e1b |
605 | | |
1bbd4a2b |
606 | /bool(ean)?/i |
3022f45b |
607 | { |
608 | $return = { type => 'boolean' }; |
609 | } |
0efb6e1b |
610 | | |
1bbd4a2b |
611 | /bytea/i |
3022f45b |
612 | { |
82968eb9 |
613 | $return = { type => 'bytea' }; |
3022f45b |
614 | } |
0efb6e1b |
615 | | |
b5a782a0 |
616 | /(timestamptz|timestamp)(?:\(\d\))?( with(?:out)? time zone)?/i |
3022f45b |
617 | { |
b5a782a0 |
618 | $return = { type => 'timestamp' . ($2||'') }; |
3022f45b |
619 | } |
0efb6e1b |
620 | | |
38a6a4f9 |
621 | /text/i |
622 | { |
623 | $return = { |
624 | type => 'text', |
625 | size => 64_000, |
626 | }; |
627 | } |
628 | | |
c4c363bb |
629 | /(bit|box|cidr|circle|date|inet|line|lseg|macaddr|money|numeric|decimal|path|point|polygon|timetz|time|varchar)/i |
3022f45b |
630 | { |
631 | $return = { type => $item[1] }; |
632 | } |
0efb6e1b |
633 | |
4422e22a |
634 | parens_value_list : '(' VALUE(s /,/) ')' |
635 | { $item[2] } |
636 | |
efd0c9ec |
637 | |
638 | parens_word_list : '(' name_with_opt_quotes(s /,/) ')' |
0efb6e1b |
639 | { $item[2] } |
4422e22a |
640 | |
0efb6e1b |
641 | field_size : '(' num_range ')' { $item{'num_range'} } |
4422e22a |
642 | |
0efb6e1b |
643 | num_range : DIGITS ',' DIGITS |
4422e22a |
644 | { $return = $item[1].','.$item[3] } |
645 | | DIGITS |
646 | { $return = $item[1] } |
647 | |
f2f71b8e |
648 | table_constraint : comment(s?) constraint_name(?) table_constraint_type deferrable(?) deferred(?) comment(s?) |
0efb6e1b |
649 | { |
650 | my $desc = $item{'table_constraint_type'}; |
651 | my $type = $desc->{'type'}; |
652 | my $fields = $desc->{'fields'}; |
653 | my $expression = $desc->{'expression'}; |
f2f71b8e |
654 | my @comments = ( @{ $item[1] }, @{ $item[-1] } ); |
0efb6e1b |
655 | |
656 | $return = { |
d4056aa7 |
657 | name => $item[2][0] || '', |
b3384294 |
658 | supertype => 'constraint', |
659 | type => $type, |
0efb6e1b |
660 | fields => $type ne 'check' ? $fields : [], |
661 | expression => $type eq 'check' ? $expression : '', |
f04713db |
662 | deferrable => $item{'deferrable'}, |
0efb6e1b |
663 | deferred => $item{'deferred'}, |
664 | reference_table => $desc->{'reference_table'}, |
665 | reference_fields => $desc->{'reference_fields'}, |
840447a5 |
666 | match_type => $desc->{'match_type'}, |
100684f3 |
667 | on_delete => $desc->{'on_delete'} || $desc->{'on_delete_do'}, |
668 | on_update => $desc->{'on_update'} || $desc->{'on_update_do'}, |
f2f71b8e |
669 | comments => [ @comments ], |
0efb6e1b |
670 | } |
671 | } |
4422e22a |
672 | |
0efb6e1b |
673 | table_constraint_type : /primary key/i '(' name_with_opt_quotes(s /,/) ')' |
674 | { |
675 | $return = { |
676 | type => 'primary_key', |
677 | fields => $item[3], |
678 | } |
679 | } |
680 | | |
681 | /unique/i '(' name_with_opt_quotes(s /,/) ')' |
682 | { |
683 | $return = { |
684 | type => 'unique', |
685 | fields => $item[3], |
686 | } |
687 | } |
688 | | |
b3384294 |
689 | /check/i '(' /[^)]+/ ')' |
0efb6e1b |
690 | { |
691 | $return = { |
692 | type => 'check', |
693 | expression => $item[3], |
694 | } |
695 | } |
696 | | |
330e4686 |
697 | /foreign key/i '(' name_with_opt_quotes(s /,/) ')' /references/i table_id parens_word_list(?) match_type(?) key_action(s?) |
0efb6e1b |
698 | { |
3022f45b |
699 | my ( $on_delete, $on_update ); |
700 | for my $action ( @{ $item[9] || [] } ) { |
701 | $on_delete = $action->{'action'} if $action->{'type'} eq 'delete'; |
702 | $on_update = $action->{'action'} if $action->{'type'} eq 'update'; |
703 | } |
704 | |
0efb6e1b |
705 | $return = { |
b3384294 |
706 | supertype => 'constraint', |
0efb6e1b |
707 | type => 'foreign_key', |
708 | fields => $item[3], |
a20abbda |
709 | reference_table => $item[6]->{'table_name'}, |
0efb6e1b |
710 | reference_fields => $item[7][0], |
711 | match_type => $item[8][0], |
100684f3 |
712 | on_delete => $on_delete || '', |
713 | on_update => $on_update || '', |
0efb6e1b |
714 | } |
715 | } |
716 | |
99f3fab6 |
717 | deferrable : not(?) /deferrable/i |
0efb6e1b |
718 | { |
719 | $return = ( $item[1] =~ /not/i ) ? 0 : 1; |
720 | } |
4422e22a |
721 | |
0efb6e1b |
722 | deferred : /initially/i /(deferred|immediate)/i { $item[2] } |
4422e22a |
723 | |
840447a5 |
724 | match_type : /match/i /partial|full|simple/i { $item[2] } |
0efb6e1b |
725 | |
3022f45b |
726 | key_action : key_delete |
727 | | |
728 | key_update |
0efb6e1b |
729 | |
3022f45b |
730 | key_delete : /on delete/i key_mutation |
731 | { |
8c12c406 |
732 | $return = { |
3022f45b |
733 | type => 'delete', |
734 | action => $item[2], |
735 | }; |
736 | } |
737 | |
738 | key_update : /on update/i key_mutation |
739 | { |
8c12c406 |
740 | $return = { |
3022f45b |
741 | type => 'update', |
742 | action => $item[2], |
743 | }; |
744 | } |
745 | |
746 | key_mutation : /no action/i { $return = 'no_action' } |
747 | | |
748 | /restrict/i { $return = 'restrict' } |
749 | | |
750 | /cascade/i { $return = 'cascade' } |
751 | | |
38a6a4f9 |
752 | /set null/i { $return = 'set null' } |
3022f45b |
753 | | |
38a6a4f9 |
754 | /set default/i { $return = 'set default' } |
0efb6e1b |
755 | |
330e4686 |
756 | alter : alter_table table_id add_column field ';' |
00ef67ea |
757 | { |
758 | my $field_def = $item[4]; |
a20abbda |
759 | $tables{ $item[2]->{'table_name'} }{'fields'}{ $field_def->{'name'} } = { |
00ef67ea |
760 | %$field_def, order => $field_order++ |
761 | }; |
762 | 1; |
763 | } |
764 | |
330e4686 |
765 | alter : alter_table table_id ADD table_constraint ';' |
0012a163 |
766 | { |
a20abbda |
767 | my $table_name = $item[2]->{'table_name'}; |
0012a163 |
768 | my $constraint = $item[4]; |
0012a163 |
769 | push @{ $tables{ $table_name }{'constraints'} }, $constraint; |
00ef67ea |
770 | 1; |
0012a163 |
771 | } |
772 | |
330e4686 |
773 | alter : alter_table table_id drop_column NAME restrict_or_cascade(?) ';' |
00ef67ea |
774 | { |
a20abbda |
775 | $tables{ $item[2]->{'table_name'} }{'fields'}{ $item[4] }{'drop'} = 1; |
00ef67ea |
776 | 1; |
777 | } |
0012a163 |
778 | |
330e4686 |
779 | alter : alter_table table_id alter_column NAME alter_default_val ';' |
00ef67ea |
780 | { |
a20abbda |
781 | $tables{ $item[2]->{'table_name'} }{'fields'}{ $item[4] }{'default'} = |
00ef67ea |
782 | $item[5]->{'value'}; |
783 | 1; |
784 | } |
785 | |
786 | # |
787 | # These will just parse for now but won't affect the structure. - ky |
788 | # |
330e4686 |
789 | alter : alter_table table_id /rename/i /to/i NAME ';' |
00ef67ea |
790 | { 1 } |
791 | |
330e4686 |
792 | alter : alter_table table_id alter_column NAME SET /statistics/i INTEGER ';' |
00ef67ea |
793 | { 1 } |
794 | |
330e4686 |
795 | alter : alter_table table_id alter_column NAME SET /storage/i storage_type ';' |
00ef67ea |
796 | { 1 } |
797 | |
330e4686 |
798 | alter : alter_table table_id rename_column NAME /to/i NAME ';' |
00ef67ea |
799 | { 1 } |
800 | |
330e4686 |
801 | alter : alter_table table_id DROP /constraint/i NAME restrict_or_cascade ';' |
00ef67ea |
802 | { 1 } |
803 | |
330e4686 |
804 | alter : alter_table table_id /owner/i /to/i NAME ';' |
00ef67ea |
805 | { 1 } |
806 | |
6f28e7ac |
807 | alter : alter_sequence NAME /owned/i /by/i column_name ';' |
808 | { 1 } |
809 | |
00ef67ea |
810 | storage_type : /(plain|external|extended|main)/i |
811 | |
330e4686 |
812 | temporary : /temp(orary)?\\b/i |
813 | { |
814 | 1; |
815 | } |
3e98f7d9 |
816 | |
330e4686 |
817 | or_replace : /or replace/i |
3e98f7d9 |
818 | |
00ef67ea |
819 | alter_default_val : SET default_val |
820 | { |
821 | $return = { value => $item[2]->{'value'} } |
822 | } |
823 | | DROP DEFAULT |
824 | { |
825 | $return = { value => undef } |
826 | } |
827 | |
828 | # |
829 | # This is a little tricky to get right, at least WRT to making the |
830 | # tests pass. The problem is that the constraints are stored just as |
831 | # a list (no name access), and the tests expect the constraints in a |
832 | # particular order. I'm going to leave the rule but disable the code |
833 | # for now. - ky |
834 | # |
330e4686 |
835 | alter : alter_table table_id alter_column NAME alter_nullable ';' |
00ef67ea |
836 | { |
a20abbda |
837 | # my $table_name = $item[2]->{'table_name'}; |
00ef67ea |
838 | # my $field_name = $item[4]; |
839 | # my $is_nullable = $item[5]->{'is_nullable'}; |
840 | # |
841 | # $tables{ $table_name }{'fields'}{ $field_name }{'is_nullable'} = |
842 | # $is_nullable; |
843 | # |
844 | # if ( $is_nullable ) { |
845 | # 1; |
846 | # push @{ $tables{ $table_name }{'constraints'} }, { |
847 | # type => 'not_null', |
848 | # fields => [ $field_name ], |
849 | # }; |
850 | # } |
851 | # else { |
852 | # for my $i ( |
853 | # 0 .. $#{ $tables{ $table_name }{'constraints'} || [] } |
854 | # ) { |
855 | # my $c = $tables{ $table_name }{'constraints'}[ $i ] or next; |
856 | # my $fields = join( '', @{ $c->{'fields'} || [] } ) or next; |
857 | # if ( $c->{'type'} eq 'not_null' && $fields eq $field_name ) { |
858 | # delete $tables{ $table_name }{'constraints'}[ $i ]; |
859 | # last; |
860 | # } |
861 | # } |
862 | # } |
863 | |
864 | 1; |
865 | } |
866 | |
867 | alter_nullable : SET not_null |
868 | { |
869 | $return = { is_nullable => 0 } |
870 | } |
871 | | DROP not_null |
872 | { |
873 | $return = { is_nullable => 1 } |
874 | } |
875 | |
876 | not_null : /not/i /null/i |
877 | |
99f3fab6 |
878 | not : /not/i |
879 | |
00ef67ea |
880 | add_column : ADD COLUMN(?) |
881 | |
882 | alter_table : ALTER TABLE ONLY(?) |
883 | |
6f28e7ac |
884 | alter_sequence : ALTER SEQUENCE |
885 | |
00ef67ea |
886 | drop_column : DROP COLUMN(?) |
887 | |
888 | alter_column : ALTER COLUMN(?) |
889 | |
890 | rename_column : /rename/i COLUMN(?) |
891 | |
892 | restrict_or_cascade : /restrict/i | |
893 | /cascade/i |
894 | |
34338cb2 |
895 | # Handle functions that can be called |
896 | select : SELECT select_function ';' |
897 | { 1 } |
898 | |
899 | # Read the setval function but don't do anything with it because this parser |
900 | # isn't handling sequences |
901 | select_function : schema_qualification(?) /setval/i '(' VALUE /,/ VALUE /,/ /(true|false)/i ')' |
902 | { 1 } |
903 | |
904 | # Skipping all COPY commands |
905 | copy : COPY WORD /[^;]+/ ';' { 1 } |
906 | { 1 } |
907 | |
908 | # The "\." allows reading in from STDIN but this isn't needed for schema |
909 | # creation, so it is skipped. |
910 | readin_symbol : '\.' |
911 | {1} |
912 | |
00ef67ea |
913 | # |
914 | # End basically useless stuff. - ky |
915 | # |
0012a163 |
916 | |
211e2e90 |
917 | create_table : CREATE TABLE |
0efb6e1b |
918 | |
211e2e90 |
919 | create_index : CREATE /index/i |
4422e22a |
920 | |
37e74f25 |
921 | default_val : DEFAULT /(\d+|'[^']*'|\w+\(.*\))|\w+/ |
4422e22a |
922 | { |
f04713db |
923 | my $val = defined $item[2] ? $item[2] : ''; |
924 | $val =~ s/^'|'$//g; |
0efb6e1b |
925 | $return = { |
82968eb9 |
926 | supertype => 'constraint', |
927 | type => 'default', |
0efb6e1b |
928 | value => $val, |
929 | } |
4422e22a |
930 | } |
f27085c9 |
931 | | /null/i |
932 | { |
933 | $return = { |
934 | supertype => 'constraint', |
935 | type => 'default', |
936 | value => 'NULL', |
937 | } |
938 | } |
4422e22a |
939 | |
4422e22a |
940 | name_with_opt_paren : NAME parens_value_list(s?) |
0efb6e1b |
941 | { $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] } |
4422e22a |
942 | |
943 | unique : /unique/i { 1 } |
944 | |
945 | key : /key/i | /index/i |
946 | |
0efb6e1b |
947 | table_option : /inherits/i '(' name_with_opt_quotes(s /,/) ')' |
4422e22a |
948 | { |
0efb6e1b |
949 | $return = { type => 'inherits', table_name => $item[3] } |
950 | } |
951 | | |
952 | /with(out)? oids/i |
953 | { |
954 | $return = { type => $item[1] =~ /out/i ? 'without_oids' : 'with_oids' } |
4422e22a |
955 | } |
956 | |
00ef67ea |
957 | ADD : /add/i |
958 | |
959 | ALTER : /alter/i |
960 | |
211e2e90 |
961 | CREATE : /create/i |
962 | |
00ef67ea |
963 | ONLY : /only/i |
964 | |
965 | DEFAULT : /default/i |
966 | |
967 | DROP : /drop/i |
968 | |
969 | COLUMN : /column/i |
970 | |
0d51cd9e |
971 | TABLE : /table/i |
972 | |
330e4686 |
973 | VIEW : /view/i |
974 | |
34338cb2 |
975 | SCHEMA : /schema/i |
976 | |
0efb6e1b |
977 | SEMICOLON : /\s*;\n?/ |
978 | |
6f28e7ac |
979 | SEQUENCE : /sequence/i |
980 | |
34338cb2 |
981 | SELECT : /select/i |
982 | |
983 | COPY : /copy/i |
984 | |
00ef67ea |
985 | INTEGER : /\d+/ |
986 | |
4422e22a |
987 | WORD : /\w+/ |
988 | |
989 | DIGITS : /\d+/ |
990 | |
991 | COMMA : ',' |
992 | |
00ef67ea |
993 | SET : /set/i |
994 | |
4422e22a |
995 | NAME : "`" /\w+/ "`" |
996 | { $item[2] } |
997 | | /\w+/ |
998 | { $item[1] } |
0012a163 |
999 | | /[\$\w]+/ |
1000 | { $item[1] } |
4422e22a |
1001 | |
1002 | VALUE : /[-+]?\.?\d+(?:[eE]\d+)?/ |
1003 | { $item[1] } |
1004 | | /'.*?'/ # XXX doesn't handle embedded quotes |
1005 | { $item[1] } |
f04713db |
1006 | | /null/i |
4422e22a |
1007 | { 'NULL' } |
1008 | |
1009 | !; |
1010 | |
1011 | # ------------------------------------------------------------------- |
1012 | sub parse { |
1013 | my ( $translator, $data ) = @_; |
9fa2a755 |
1014 | my $parser = Parse::RecDescent->new($GRAMMAR); |
4422e22a |
1015 | |
1016 | $::RD_TRACE = $translator->trace ? 1 : undef; |
1017 | $DEBUG = $translator->debug; |
1018 | |
1019 | unless (defined $parser) { |
1020 | return $translator->error("Error instantiating Parse::RecDescent ". |
1021 | "instance: Bad grammer"); |
1022 | } |
1023 | |
1024 | my $result = $parser->startrule($data); |
1025 | die "Parse failed.\n" unless defined $result; |
1026 | warn Dumper($result) if $DEBUG; |
82968eb9 |
1027 | |
1028 | my $schema = $translator->schema; |
1029 | my @tables = sort { |
330e4686 |
1030 | ( $result->{tables}{ $a }{'order'} || 0 ) <=> ( $result->{tables}{ $b }{'order'} || 0 ) |
1031 | } keys %{ $result->{tables} }; |
82968eb9 |
1032 | |
1033 | for my $table_name ( @tables ) { |
330e4686 |
1034 | my $tdata = $result->{tables}{ $table_name }; |
82968eb9 |
1035 | my $table = $schema->add_table( |
a20abbda |
1036 | #schema => $tdata->{'schema_name'}, |
1037 | name => $tdata->{'table_name'}, |
d7fcc1d6 |
1038 | ) or die "Couldn't create table '$table_name': " . $schema->error; |
82968eb9 |
1039 | |
3e98f7d9 |
1040 | $table->extra(temporary => 1) if $tdata->{'temporary'}; |
1041 | |
a82fa2cb |
1042 | $table->comments( $tdata->{'comments'} ); |
1043 | |
82968eb9 |
1044 | my @fields = sort { |
429f639c |
1045 | $tdata->{'fields'}{ $a }{'order'} |
82968eb9 |
1046 | <=> |
429f639c |
1047 | $tdata->{'fields'}{ $b }{'order'} |
82968eb9 |
1048 | } keys %{ $tdata->{'fields'} }; |
1049 | |
1050 | for my $fname ( @fields ) { |
1051 | my $fdata = $tdata->{'fields'}{ $fname }; |
00ef67ea |
1052 | next if $fdata->{'drop'}; |
82968eb9 |
1053 | my $field = $table->add_field( |
1054 | name => $fdata->{'name'}, |
1055 | data_type => $fdata->{'data_type'}, |
1056 | size => $fdata->{'size'}, |
1057 | default_value => $fdata->{'default'}, |
7eac5e12 |
1058 | is_auto_increment => $fdata->{'is_auto_increment'}, |
00ef67ea |
1059 | is_nullable => $fdata->{'is_nullable'}, |
a82fa2cb |
1060 | comments => $fdata->{'comments'}, |
82968eb9 |
1061 | ) or die $table->error; |
1062 | |
1063 | $table->primary_key( $field->name ) if $fdata->{'is_primary_key'}; |
1064 | |
1065 | for my $cdata ( @{ $fdata->{'constraints'} } ) { |
1066 | next unless $cdata->{'type'} eq 'foreign_key'; |
1067 | $cdata->{'fields'} ||= [ $field->name ]; |
1068 | push @{ $tdata->{'constraints'} }, $cdata; |
1069 | } |
1070 | } |
1071 | |
1072 | for my $idata ( @{ $tdata->{'indices'} || [] } ) { |
1073 | my $index = $table->add_index( |
1074 | name => $idata->{'name'}, |
1075 | type => uc $idata->{'type'}, |
1076 | fields => $idata->{'fields'}, |
3406fd5b |
1077 | ) or die $table->error . ' ' . $table->name; |
82968eb9 |
1078 | } |
1079 | |
1080 | for my $cdata ( @{ $tdata->{'constraints'} || [] } ) { |
1081 | my $constraint = $table->add_constraint( |
1082 | name => $cdata->{'name'}, |
1083 | type => $cdata->{'type'}, |
1084 | fields => $cdata->{'fields'}, |
1085 | reference_table => $cdata->{'reference_table'}, |
1086 | reference_fields => $cdata->{'reference_fields'}, |
1087 | match_type => $cdata->{'match_type'} || '', |
100684f3 |
1088 | on_delete => $cdata->{'on_delete'} || $cdata->{'on_delete_do'}, |
1089 | on_update => $cdata->{'on_update'} || $cdata->{'on_update_do'}, |
b3384294 |
1090 | expression => $cdata->{'expression'}, |
1091 | ) or die "Can't add constraint of type '" . |
1092 | $cdata->{'type'} . "' to table '" . $table->name . |
1093 | "': " . $table->error; |
82968eb9 |
1094 | } |
1095 | } |
1096 | |
330e4686 |
1097 | for my $vinfo (@{$result->{views}}) { |
1098 | my $sql = $vinfo->{sql}; |
1099 | $sql =~ s/\A\s+|\s+\z//g; |
1100 | my $view = $schema->add_view ( |
1101 | name => $vinfo->{view_name}, |
1102 | sql => $sql, |
1103 | fields => $vinfo->{fields}, |
1104 | ); |
1105 | |
1106 | $view->extra ( temporary => 1 ) if $vinfo->{is_temporary}; |
1107 | } |
1108 | |
f62bd16c |
1109 | return 1; |
4422e22a |
1110 | } |
1111 | |
1112 | 1; |
1113 | |
82968eb9 |
1114 | # ------------------------------------------------------------------- |
1115 | # Rescue the drowning and tie your shoestrings. |
1116 | # Henry David Thoreau |
1117 | # ------------------------------------------------------------------- |
4422e22a |
1118 | |
1119 | =pod |
1120 | |
0efb6e1b |
1121 | =head1 AUTHORS |
4422e22a |
1122 | |
11ad2df9 |
1123 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt>, |
b8ea6076 |
1124 | Allen Day E<lt>allenday@ucla.eduE<gt>. |
4422e22a |
1125 | |
1126 | =head1 SEE ALSO |
1127 | |
1128 | perl(1), Parse::RecDescent. |
1129 | |
1130 | =cut |