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1 | package DBIx::Class::Schema::Loader::Base; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | use base qw/Class::Accessor::Fast/; |
6 | use Class::C3; |
fa994d3c |
7 | use Carp::Clan qw/^DBIx::Class/; |
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8 | use UNIVERSAL::require; |
9 | use DBIx::Class::Schema::Loader::RelBuilder; |
10 | use Data::Dump qw/ dump /; |
11 | use POSIX qw//; |
dd03ee1a |
12 | use File::Spec qw//; |
996be9ee |
13 | require DBIx::Class; |
14 | |
32f784fc |
15 | our $VERSION = '0.03999_01'; |
16 | |
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17 | __PACKAGE__->mk_ro_accessors(qw/ |
18 | schema |
19 | schema_class |
20 | |
21 | exclude |
22 | constraint |
23 | additional_classes |
24 | additional_base_classes |
25 | left_base_classes |
26 | components |
27 | resultset_components |
59cfa251 |
28 | skip_relationships |
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29 | moniker_map |
30 | inflect_singular |
31 | inflect_plural |
32 | debug |
33 | dump_directory |
d65cda9e |
34 | dump_overwrite |
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35 | |
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36 | db_schema |
37 | _tables |
38 | classes |
39 | monikers |
40 | /); |
41 | |
42 | =head1 NAME |
43 | |
44 | DBIx::Class::Schema::Loader::Base - Base DBIx::Class::Schema::Loader Implementation. |
45 | |
46 | =head1 SYNOPSIS |
47 | |
48 | See L<DBIx::Class::Schema::Loader> |
49 | |
50 | =head1 DESCRIPTION |
51 | |
52 | This is the base class for the storage-specific C<DBIx::Class::Schema::*> |
53 | classes, and implements the common functionality between them. |
54 | |
55 | =head1 CONSTRUCTOR OPTIONS |
56 | |
57 | These constructor options are the base options for |
58 | L<DBIx::Class::Schema::Loader/loader_opts>. Available constructor options are: |
59 | |
59cfa251 |
60 | =head2 skip_relationships |
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61 | |
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62 | Skip setting up relationships. The default is to attempt the loading |
63 | of relationships. |
996be9ee |
64 | |
65 | =head2 debug |
66 | |
67 | If set to true, each constructive L<DBIx::Class> statement the loader |
68 | decides to execute will be C<warn>-ed before execution. |
69 | |
d65cda9e |
70 | =head2 db_schema |
71 | |
72 | Set the name of the schema to load (schema in the sense that your database |
73 | vendor means it). Does not currently support loading more than one schema |
74 | name. |
75 | |
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76 | =head2 constraint |
77 | |
78 | Only load tables matching regex. Best specified as a qr// regex. |
79 | |
80 | =head2 exclude |
81 | |
82 | Exclude tables matching regex. Best specified as a qr// regex. |
83 | |
84 | =head2 moniker_map |
85 | |
8f9d7ce5 |
86 | Overrides the default table name to moniker translation. Can be either |
87 | a hashref of table keys and moniker values, or a coderef for a translator |
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88 | function taking a single scalar table name argument and returning |
89 | a scalar moniker. If the hash entry does not exist, or the function |
90 | returns a false value, the code falls back to default behavior |
91 | for that table name. |
92 | |
93 | The default behavior is: C<join '', map ucfirst, split /[\W_]+/, lc $table>, |
94 | which is to say: lowercase everything, split up the table name into chunks |
95 | anywhere a non-alpha-numeric character occurs, change the case of first letter |
96 | of each chunk to upper case, and put the chunks back together. Examples: |
97 | |
98 | Table Name | Moniker Name |
99 | --------------------------- |
100 | luser | Luser |
101 | luser_group | LuserGroup |
102 | luser-opts | LuserOpts |
103 | |
104 | =head2 inflect_plural |
105 | |
106 | Just like L</moniker_map> above (can be hash/code-ref, falls back to default |
107 | if hash key does not exist or coderef returns false), but acts as a map |
108 | for pluralizing relationship names. The default behavior is to utilize |
109 | L<Lingua::EN::Inflect::Number/to_PL>. |
110 | |
111 | =head2 inflect_singular |
112 | |
113 | As L</inflect_plural> above, but for singularizing relationship names. |
114 | Default behavior is to utilize L<Lingua::EN::Inflect::Number/to_S>. |
115 | |
116 | =head2 additional_base_classes |
117 | |
118 | List of additional base classes all of your table classes will use. |
119 | |
120 | =head2 left_base_classes |
121 | |
122 | List of additional base classes all of your table classes will use |
123 | that need to be leftmost. |
124 | |
125 | =head2 additional_classes |
126 | |
127 | List of additional classes which all of your table classes will use. |
128 | |
129 | =head2 components |
130 | |
131 | List of additional components to be loaded into all of your table |
132 | classes. A good example would be C<ResultSetManager>. |
133 | |
134 | =head2 resultset_components |
135 | |
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136 | List of additional ResultSet components to be loaded into your table |
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137 | classes. A good example would be C<AlwaysRS>. Component |
138 | C<ResultSetManager> will be automatically added to the above |
139 | C<components> list if this option is set. |
140 | |
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141 | =head2 dump_directory |
142 | |
143 | This option is designed to be a tool to help you transition from this |
144 | loader to a manually-defined schema when you decide it's time to do so. |
145 | |
146 | The value of this option is a perl libdir pathname. Within |
147 | that directory this module will create a baseline manual |
148 | L<DBIx::Class::Schema> module set, based on what it creates at runtime |
149 | in memory. |
150 | |
151 | The created schema class will have the same classname as the one on |
152 | which you are setting this option (and the ResultSource classes will be |
153 | based on this name as well). Therefore it is wise to note that if you |
154 | point the C<dump_directory> option of a schema class at the live libdir |
155 | where that class is currently located, it will overwrite itself with a |
156 | manual version of itself. This might be a really good or bad thing |
157 | depending on your situation and perspective. |
158 | |
8f9d7ce5 |
159 | Normally you wouldn't hard-code this setting in your schema class, as it |
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160 | is meant for one-time manual usage. |
161 | |
162 | See L<DBIx::Class::Schema::Loader/dump_to_dir> for examples of the |
163 | recommended way to access this functionality. |
164 | |
d65cda9e |
165 | =head2 dump_overwrite |
166 | |
167 | If set to a true value, the dumping code will overwrite existing files. |
02356864 |
168 | The default is false, which means the dumping code will skip the already |
169 | existing files. |
d65cda9e |
170 | |
996be9ee |
171 | =head1 METHODS |
172 | |
173 | None of these methods are intended for direct invocation by regular |
174 | users of L<DBIx::Class::Schema::Loader>. Anything you can find here |
175 | can also be found via standard L<DBIx::Class::Schema> methods somehow. |
176 | |
177 | =cut |
178 | |
179 | # ensure that a peice of object data is a valid arrayref, creating |
180 | # an empty one or encapsulating whatever's there. |
181 | sub _ensure_arrayref { |
182 | my $self = shift; |
183 | |
184 | foreach (@_) { |
185 | $self->{$_} ||= []; |
186 | $self->{$_} = [ $self->{$_} ] |
187 | unless ref $self->{$_} eq 'ARRAY'; |
188 | } |
189 | } |
190 | |
191 | =head2 new |
192 | |
193 | Constructor for L<DBIx::Class::Schema::Loader::Base>, used internally |
194 | by L<DBIx::Class::Schema::Loader>. |
195 | |
196 | =cut |
197 | |
198 | sub new { |
199 | my ( $class, %args ) = @_; |
200 | |
201 | my $self = { %args }; |
202 | |
203 | bless $self => $class; |
204 | |
205 | $self->{db_schema} ||= ''; |
206 | $self->_ensure_arrayref(qw/additional_classes |
207 | additional_base_classes |
208 | left_base_classes |
209 | components |
210 | resultset_components |
211 | /); |
212 | |
213 | push(@{$self->{components}}, 'ResultSetManager') |
214 | if @{$self->{resultset_components}}; |
215 | |
216 | $self->{monikers} = {}; |
217 | $self->{classes} = {}; |
218 | |
996be9ee |
219 | $self->{schema_class} ||= ( ref $self->{schema} || $self->{schema} ); |
220 | $self->{schema} ||= $self->{schema_class}; |
221 | |
222 | $self; |
223 | } |
224 | |
225 | sub _load_external { |
226 | my $self = shift; |
227 | |
88603c41 |
228 | my $abs_dump_dir; |
229 | |
dd03ee1a |
230 | $abs_dump_dir = File::Spec->rel2abs($self->dump_directory) |
88603c41 |
231 | if $self->dump_directory; |
232 | |
996be9ee |
233 | foreach my $table_class (values %{$self->classes}) { |
234 | $table_class->require; |
235 | if($@ && $@ !~ /^Can't locate /) { |
236 | croak "Failed to load external class definition" |
237 | . " for '$table_class': $@"; |
238 | } |
239 | next if $@; # "Can't locate" error |
240 | |
241 | # If we make it to here, we loaded an external definition |
242 | warn qq/# Loaded external class definition for '$table_class'\n/ |
243 | if $self->debug; |
244 | |
88603c41 |
245 | if($abs_dump_dir) { |
996be9ee |
246 | my $class_path = $table_class; |
247 | $class_path =~ s{::}{/}g; |
e50425a9 |
248 | $class_path .= '.pm'; |
dd03ee1a |
249 | my $filename = File::Spec->rel2abs($INC{$class_path}); |
996be9ee |
250 | croak 'Failed to locate actual external module file for ' |
251 | . "'$table_class'" |
252 | if !$filename; |
88603c41 |
253 | next if($filename =~ /^$abs_dump_dir/); |
996be9ee |
254 | open(my $fh, '<', $filename) |
255 | or croak "Failed to open $filename for reading: $!"; |
256 | $self->_raw_stmt($table_class, |
257 | q|# These lines loaded from user-supplied external file: | |
258 | ); |
259 | while(<$fh>) { |
260 | chomp; |
261 | $self->_raw_stmt($table_class, $_); |
262 | } |
263 | $self->_raw_stmt($table_class, |
264 | q|# End of lines loaded from user-supplied external file | |
265 | ); |
266 | close($fh) |
267 | or croak "Failed to close $filename: $!"; |
268 | } |
269 | } |
270 | } |
271 | |
272 | =head2 load |
273 | |
274 | Does the actual schema-construction work. |
275 | |
276 | =cut |
277 | |
278 | sub load { |
279 | my $self = shift; |
280 | |
281 | $self->_load_classes; |
59cfa251 |
282 | $self->_load_relationships if ! $self->skip_relationships; |
996be9ee |
283 | $self->_load_external; |
284 | $self->_dump_to_dir if $self->dump_directory; |
285 | |
5223f24a |
286 | # Drop temporary cache |
287 | delete $self->{_cache}; |
288 | |
996be9ee |
289 | 1; |
290 | } |
291 | |
292 | sub _get_dump_filename { |
293 | my ($self, $class) = (@_); |
294 | |
295 | $class =~ s{::}{/}g; |
296 | return $self->dump_directory . q{/} . $class . q{.pm}; |
297 | } |
298 | |
299 | sub _ensure_dump_subdirs { |
300 | my ($self, $class) = (@_); |
301 | |
302 | my @name_parts = split(/::/, $class); |
dd03ee1a |
303 | pop @name_parts; # we don't care about the very last element, |
304 | # which is a filename |
305 | |
996be9ee |
306 | my $dir = $self->dump_directory; |
307 | foreach (@name_parts) { |
dd03ee1a |
308 | $dir = File::Spec->catdir($dir,$_); |
996be9ee |
309 | if(! -d $dir) { |
25328cc4 |
310 | mkdir($dir) or croak "mkdir('$dir') failed: $!"; |
996be9ee |
311 | } |
312 | } |
313 | } |
314 | |
315 | sub _dump_to_dir { |
316 | my ($self) = @_; |
317 | |
318 | my $target_dir = $self->dump_directory; |
d65cda9e |
319 | |
fc2b71fd |
320 | my $schema_class = $self->schema_class; |
996be9ee |
321 | |
25328cc4 |
322 | croak "Must specify target directory for dumping!" if ! $target_dir; |
996be9ee |
323 | |
fc2b71fd |
324 | warn "Dumping manual schema for $schema_class to directory $target_dir ...\n"; |
996be9ee |
325 | |
326 | if(! -d $target_dir) { |
25328cc4 |
327 | mkdir($target_dir) or croak "mkdir('$target_dir') failed: $!"; |
996be9ee |
328 | } |
329 | |
330 | my $verstr = $DBIx::Class::Schema::Loader::VERSION; |
331 | my $datestr = POSIX::strftime('%Y-%m-%d %H:%M:%S', localtime); |
332 | my $tagline = qq|# Created by DBIx::Class::Schema::Loader v$verstr @ $datestr|; |
333 | |
996be9ee |
334 | $self->_ensure_dump_subdirs($schema_class); |
335 | |
336 | my $schema_fn = $self->_get_dump_filename($schema_class); |
02356864 |
337 | if (-f $schema_fn && !$self->dump_overwrite) { |
338 | warn "$schema_fn exists, will not overwrite\n"; |
339 | } |
340 | else { |
341 | open(my $schema_fh, '>', $schema_fn) |
342 | or croak "Cannot open $schema_fn for writing: $!"; |
343 | print $schema_fh qq|package $schema_class;\n\n$tagline\n\n|; |
344 | print $schema_fh qq|use strict;\nuse warnings;\n\n|; |
345 | print $schema_fh qq|use base 'DBIx::Class::Schema';\n\n|; |
346 | print $schema_fh qq|__PACKAGE__->load_classes;\n|; |
347 | print $schema_fh qq|\n1;\n\n|; |
348 | close($schema_fh) |
349 | or croak "Cannot close $schema_fn: $!"; |
350 | } |
996be9ee |
351 | |
352 | foreach my $src_class (sort keys %{$self->{_dump_storage}}) { |
353 | $self->_ensure_dump_subdirs($src_class); |
354 | my $src_fn = $self->_get_dump_filename($src_class); |
02356864 |
355 | if (-f $src_fn && !$self->dump_overwrite) { |
356 | warn "$src_fn exists, will not overwrite\n"; |
357 | next; |
358 | } |
996be9ee |
359 | open(my $src_fh, '>', $src_fn) |
25328cc4 |
360 | or croak "Cannot open $src_fn for writing: $!"; |
996be9ee |
361 | print $src_fh qq|package $src_class;\n\n$tagline\n\n|; |
362 | print $src_fh qq|use strict;\nuse warnings;\n\n|; |
363 | print $src_fh qq|use base 'DBIx::Class';\n\n|; |
364 | print $src_fh qq|$_\n| |
365 | for @{$self->{_dump_storage}->{$src_class}}; |
366 | print $src_fh qq|\n1;\n\n|; |
367 | close($src_fh) |
25328cc4 |
368 | or croak "Cannot close $src_fn: $!"; |
996be9ee |
369 | } |
370 | |
371 | warn "Schema dump completed.\n"; |
372 | } |
373 | |
374 | sub _use { |
375 | my $self = shift; |
376 | my $target = shift; |
cb54990b |
377 | my $evalstr; |
996be9ee |
378 | |
379 | foreach (@_) { |
cb54990b |
380 | warn "$target: use $_;" if $self->debug; |
996be9ee |
381 | $self->_raw_stmt($target, "use $_;"); |
cb54990b |
382 | $_->require or croak ($_ . "->require: $@"); |
383 | $evalstr .= "package $target; use $_;"; |
996be9ee |
384 | } |
cb54990b |
385 | eval $evalstr if $evalstr; |
386 | croak $@ if $@; |
996be9ee |
387 | } |
388 | |
389 | sub _inject { |
390 | my $self = shift; |
391 | my $target = shift; |
392 | my $schema_class = $self->schema_class; |
393 | |
394 | my $blist = join(q{ }, @_); |
cb54990b |
395 | warn "$target: use base qw/ $blist /;" if $self->debug && @_; |
996be9ee |
396 | $self->_raw_stmt($target, "use base qw/ $blist /;") if @_; |
996be9ee |
397 | foreach (@_) { |
398 | $_->require or croak ($_ . "->require: $@"); |
399 | $schema_class->inject_base($target, $_); |
400 | } |
401 | } |
402 | |
403 | # Load and setup classes |
404 | sub _load_classes { |
405 | my $self = shift; |
406 | |
a13b2803 |
407 | my $schema = $self->schema; |
408 | my $schema_class = $self->schema_class; |
409 | my $constraint = $self->constraint; |
410 | my $exclude = $self->exclude; |
411 | my @tables = sort $self->_tables_list; |
996be9ee |
412 | |
413 | warn "No tables found in database, nothing to load" if !@tables; |
414 | |
415 | if(@tables) { |
416 | @tables = grep { /$constraint/ } @tables if $constraint; |
417 | @tables = grep { ! /$exclude/ } @tables if $exclude; |
418 | |
419 | warn "All tables excluded by constraint/exclude, nothing to load" |
420 | if !@tables; |
421 | } |
422 | |
423 | $self->{_tables} = \@tables; |
424 | |
425 | foreach my $table (@tables) { |
426 | my $table_moniker = $self->_table2moniker($table); |
427 | my $table_class = $schema_class . q{::} . $table_moniker; |
428 | |
429 | my $table_normalized = lc $table; |
430 | $self->classes->{$table} = $table_class; |
431 | $self->classes->{$table_normalized} = $table_class; |
432 | $self->monikers->{$table} = $table_moniker; |
433 | $self->monikers->{$table_normalized} = $table_moniker; |
434 | |
435 | no warnings 'redefine'; |
436 | local *Class::C3::reinitialize = sub { }; |
437 | use warnings; |
438 | |
a13b2803 |
439 | { no strict 'refs'; @{"${table_class}::ISA"} = qw/DBIx::Class/ } |
440 | |
996be9ee |
441 | $self->_use ($table_class, @{$self->additional_classes}); |
442 | $self->_inject($table_class, @{$self->additional_base_classes}); |
443 | |
444 | $self->_dbic_stmt($table_class, 'load_components', @{$self->components}, qw/PK::Auto Core/); |
445 | |
446 | $self->_dbic_stmt($table_class, 'load_resultset_components', @{$self->resultset_components}) |
447 | if @{$self->resultset_components}; |
448 | $self->_inject($table_class, @{$self->left_base_classes}); |
449 | } |
450 | |
451 | Class::C3::reinitialize; |
452 | |
453 | foreach my $table (@tables) { |
454 | my $table_class = $self->classes->{$table}; |
455 | my $table_moniker = $self->monikers->{$table}; |
456 | |
457 | $self->_dbic_stmt($table_class,'table',$table); |
458 | |
459 | my $cols = $self->_table_columns($table); |
a13b2803 |
460 | my $col_info; |
12af3806 |
461 | eval { $col_info = $self->_columns_info_for($table) }; |
a13b2803 |
462 | if($@) { |
463 | $self->_dbic_stmt($table_class,'add_columns',@$cols); |
464 | } |
465 | else { |
520107ef |
466 | my %col_info_lc = map { lc($_), $col_info->{$_} } keys %$col_info; |
8ac8926d |
467 | $self->_dbic_stmt( |
468 | $table_class, |
469 | 'add_columns', |
520107ef |
470 | map { $_, ($col_info_lc{$_}||{}) } @$cols |
8ac8926d |
471 | ); |
a13b2803 |
472 | } |
996be9ee |
473 | |
474 | my $pks = $self->_table_pk_info($table) || []; |
475 | @$pks ? $self->_dbic_stmt($table_class,'set_primary_key',@$pks) |
476 | : carp("$table has no primary key"); |
477 | |
478 | my $uniqs = $self->_table_uniq_info($table) || []; |
479 | $self->_dbic_stmt($table_class,'add_unique_constraint',@$_) for (@$uniqs); |
480 | |
481 | $schema_class->register_class($table_moniker, $table_class); |
482 | $schema->register_class($table_moniker, $table_class) if $schema ne $schema_class; |
483 | } |
484 | } |
485 | |
486 | =head2 tables |
487 | |
488 | Returns a sorted list of loaded tables, using the original database table |
489 | names. |
490 | |
491 | =cut |
492 | |
493 | sub tables { |
494 | my $self = shift; |
495 | |
496 | return @{$self->_tables}; |
497 | } |
498 | |
499 | # Make a moniker from a table |
500 | sub _table2moniker { |
501 | my ( $self, $table ) = @_; |
502 | |
503 | my $moniker; |
504 | |
505 | if( ref $self->moniker_map eq 'HASH' ) { |
506 | $moniker = $self->moniker_map->{$table}; |
507 | } |
508 | elsif( ref $self->moniker_map eq 'CODE' ) { |
509 | $moniker = $self->moniker_map->($table); |
510 | } |
511 | |
512 | $moniker ||= join '', map ucfirst, split /[\W_]+/, lc $table; |
513 | |
514 | return $moniker; |
515 | } |
516 | |
517 | sub _load_relationships { |
518 | my $self = shift; |
519 | |
520 | # Construct the fk_info RelBuilder wants to see, by |
521 | # translating table names to monikers in the _fk_info output |
522 | my %fk_info; |
523 | foreach my $table ($self->tables) { |
524 | my $tbl_fk_info = $self->_table_fk_info($table); |
525 | foreach my $fkdef (@$tbl_fk_info) { |
526 | $fkdef->{remote_source} = |
527 | $self->monikers->{delete $fkdef->{remote_table}}; |
528 | } |
529 | my $moniker = $self->monikers->{$table}; |
530 | $fk_info{$moniker} = $tbl_fk_info; |
531 | } |
532 | |
533 | my $relbuilder = DBIx::Class::Schema::Loader::RelBuilder->new( |
534 | $self->schema_class, \%fk_info, $self->inflect_plural, |
535 | $self->inflect_singular |
536 | ); |
537 | |
538 | my $rel_stmts = $relbuilder->generate_code; |
539 | foreach my $src_class (sort keys %$rel_stmts) { |
540 | my $src_stmts = $rel_stmts->{$src_class}; |
541 | foreach my $stmt (@$src_stmts) { |
542 | $self->_dbic_stmt($src_class,$stmt->{method},@{$stmt->{args}}); |
543 | } |
544 | } |
545 | } |
546 | |
547 | # Overload these in driver class: |
548 | |
549 | # Returns an arrayref of column names |
550 | sub _table_columns { croak "ABSTRACT METHOD" } |
551 | |
552 | # Returns arrayref of pk col names |
553 | sub _table_pk_info { croak "ABSTRACT METHOD" } |
554 | |
555 | # Returns an arrayref of uniqs [ [ foo => [ col1, col2 ] ], [ bar => [ ... ] ] ] |
556 | sub _table_uniq_info { croak "ABSTRACT METHOD" } |
557 | |
558 | # Returns an arrayref of foreign key constraints, each |
559 | # being a hashref with 3 keys: |
560 | # local_columns (arrayref), remote_columns (arrayref), remote_table |
561 | sub _table_fk_info { croak "ABSTRACT METHOD" } |
562 | |
563 | # Returns an array of lower case table names |
564 | sub _tables_list { croak "ABSTRACT METHOD" } |
565 | |
566 | # Execute a constructive DBIC class method, with debug/dump_to_dir hooks. |
567 | sub _dbic_stmt { |
568 | my $self = shift; |
569 | my $class = shift; |
570 | my $method = shift; |
571 | |
572 | if(!$self->debug && !$self->dump_directory) { |
573 | $class->$method(@_); |
574 | return; |
575 | } |
576 | |
577 | my $args = dump(@_); |
578 | $args = '(' . $args . ')' if @_ < 2; |
579 | my $stmt = $method . $args . q{;}; |
580 | |
581 | warn qq|$class\->$stmt\n| if $self->debug; |
582 | $class->$method(@_); |
583 | $self->_raw_stmt($class, '__PACKAGE__->' . $stmt); |
584 | } |
585 | |
586 | # Store a raw source line for a class (for dumping purposes) |
587 | sub _raw_stmt { |
588 | my ($self, $class, $stmt) = @_; |
589 | push(@{$self->{_dump_storage}->{$class}}, $stmt) if $self->dump_directory; |
590 | } |
591 | |
592 | =head2 monikers |
593 | |
8f9d7ce5 |
594 | Returns a hashref of loaded table to moniker mappings. There will |
996be9ee |
595 | be two entries for each table, the original name and the "normalized" |
596 | name, in the case that the two are different (such as databases |
597 | that like uppercase table names, or preserve your original mixed-case |
598 | definitions, or what-have-you). |
599 | |
600 | =head2 classes |
601 | |
8f9d7ce5 |
602 | Returns a hashref of table to class mappings. In some cases it will |
996be9ee |
603 | contain multiple entries per table for the original and normalized table |
604 | names, as above in L</monikers>. |
605 | |
606 | =head1 SEE ALSO |
607 | |
608 | L<DBIx::Class::Schema::Loader> |
609 | |
610 | =cut |
611 | |
612 | 1; |