Commit | Line | Data |
8b445e33 |
1 | package DBIx::Class::Storage::DBI; |
e673f011 |
2 | # -*- mode: cperl; cperl-indent-level: 2 -*- |
8b445e33 |
3 | |
a62cf8d4 |
4 | use base 'DBIx::Class::Storage'; |
5 | |
20a2c954 |
6 | use strict; |
7 | use warnings; |
8b445e33 |
8 | use DBI; |
aeaf3ce2 |
9 | use SQL::Abstract::Limit; |
28927b50 |
10 | use DBIx::Class::Storage::DBI::Cursor; |
4c248161 |
11 | use DBIx::Class::Storage::Statistics; |
92b858c9 |
12 | use IO::File; |
701da8c4 |
13 | use Carp::Clan qw/DBIx::Class/; |
bd7efd39 |
14 | BEGIN { |
15 | |
cb5f2eea |
16 | package DBIC::SQL::Abstract; # Would merge upstream, but nate doesn't reply :( |
bd7efd39 |
17 | |
18 | use base qw/SQL::Abstract::Limit/; |
19 | |
2cc3a7be |
20 | # This prevents the caching of $dbh in S::A::L, I believe |
21 | sub new { |
22 | my $self = shift->SUPER::new(@_); |
23 | |
24 | # If limit_dialect is a ref (like a $dbh), go ahead and replace |
25 | # it with what it resolves to: |
26 | $self->{limit_dialect} = $self->_find_syntax($self->{limit_dialect}) |
27 | if ref $self->{limit_dialect}; |
28 | |
29 | $self; |
30 | } |
31 | |
260129d8 |
32 | sub _RowNumberOver { |
33 | my ($self, $sql, $order, $rows, $offset ) = @_; |
34 | |
35 | $offset += 1; |
36 | my $last = $rows + $offset; |
37 | my ( $order_by ) = $self->_order_by( $order ); |
38 | |
39 | $sql = <<""; |
40 | SELECT * FROM |
41 | ( |
42 | SELECT Q1.*, ROW_NUMBER() OVER( ) AS ROW_NUM FROM ( |
43 | $sql |
44 | $order_by |
45 | ) Q1 |
46 | ) Q2 |
47 | WHERE ROW_NUM BETWEEN $offset AND $last |
48 | |
49 | return $sql; |
50 | } |
51 | |
52 | |
2cc3a7be |
53 | # While we're at it, this should make LIMIT queries more efficient, |
54 | # without digging into things too deeply |
758272ec |
55 | use Scalar::Util 'blessed'; |
2cc3a7be |
56 | sub _find_syntax { |
57 | my ($self, $syntax) = @_; |
758272ec |
58 | my $dbhname = blessed($syntax) ? $syntax->{Driver}{Name} : $syntax; |
59 | # print STDERR "Found DBH $syntax >$dbhname< ", $syntax->{Driver}->{Name}, "\n"; |
260129d8 |
60 | if(ref($self) && $dbhname && $dbhname eq 'DB2') { |
61 | return 'RowNumberOver'; |
62 | } |
63 | |
2cc3a7be |
64 | $self->{_cached_syntax} ||= $self->SUPER::_find_syntax($syntax); |
65 | } |
66 | |
54540863 |
67 | sub select { |
68 | my ($self, $table, $fields, $where, $order, @rest) = @_; |
6346a152 |
69 | $table = $self->_quote($table) unless ref($table); |
eac29141 |
70 | local $self->{rownum_hack_count} = 1 |
71 | if (defined $rest[0] && $self->{limit_dialect} eq 'RowNum'); |
54540863 |
72 | @rest = (-1) unless defined $rest[0]; |
0823196c |
73 | die "LIMIT 0 Does Not Compute" if $rest[0] == 0; |
74 | # and anyway, SQL::Abstract::Limit will cause a barf if we don't first |
8839560b |
75 | local $self->{having_bind} = []; |
bc0c9800 |
76 | my ($sql, @ret) = $self->SUPER::select( |
77 | $table, $self->_recurse_fields($fields), $where, $order, @rest |
78 | ); |
8839560b |
79 | return wantarray ? ($sql, @ret, @{$self->{having_bind}}) : $sql; |
54540863 |
80 | } |
81 | |
6346a152 |
82 | sub insert { |
83 | my $self = shift; |
84 | my $table = shift; |
85 | $table = $self->_quote($table) unless ref($table); |
86 | $self->SUPER::insert($table, @_); |
87 | } |
88 | |
89 | sub update { |
90 | my $self = shift; |
91 | my $table = shift; |
92 | $table = $self->_quote($table) unless ref($table); |
93 | $self->SUPER::update($table, @_); |
94 | } |
95 | |
96 | sub delete { |
97 | my $self = shift; |
98 | my $table = shift; |
99 | $table = $self->_quote($table) unless ref($table); |
100 | $self->SUPER::delete($table, @_); |
101 | } |
102 | |
54540863 |
103 | sub _emulate_limit { |
104 | my $self = shift; |
105 | if ($_[3] == -1) { |
106 | return $_[1].$self->_order_by($_[2]); |
107 | } else { |
108 | return $self->SUPER::_emulate_limit(@_); |
109 | } |
110 | } |
111 | |
112 | sub _recurse_fields { |
113 | my ($self, $fields) = @_; |
114 | my $ref = ref $fields; |
115 | return $self->_quote($fields) unless $ref; |
116 | return $$fields if $ref eq 'SCALAR'; |
117 | |
118 | if ($ref eq 'ARRAY') { |
eac29141 |
119 | return join(', ', map { |
120 | $self->_recurse_fields($_) |
121 | .(exists $self->{rownum_hack_count} |
122 | ? ' AS col'.$self->{rownum_hack_count}++ |
123 | : '') |
124 | } @$fields); |
54540863 |
125 | } elsif ($ref eq 'HASH') { |
126 | foreach my $func (keys %$fields) { |
127 | return $self->_sqlcase($func) |
128 | .'( '.$self->_recurse_fields($fields->{$func}).' )'; |
129 | } |
130 | } |
131 | } |
132 | |
133 | sub _order_by { |
134 | my $self = shift; |
135 | my $ret = ''; |
8839560b |
136 | my @extra; |
54540863 |
137 | if (ref $_[0] eq 'HASH') { |
138 | if (defined $_[0]->{group_by}) { |
139 | $ret = $self->_sqlcase(' group by ') |
140 | .$self->_recurse_fields($_[0]->{group_by}); |
141 | } |
8839560b |
142 | if (defined $_[0]->{having}) { |
143 | my $frag; |
144 | ($frag, @extra) = $self->_recurse_where($_[0]->{having}); |
145 | push(@{$self->{having_bind}}, @extra); |
146 | $ret .= $self->_sqlcase(' having ').$frag; |
147 | } |
54540863 |
148 | if (defined $_[0]->{order_by}) { |
7ce5cbe7 |
149 | $ret .= $self->_order_by($_[0]->{order_by}); |
54540863 |
150 | } |
d09c569a |
151 | } elsif (ref $_[0] eq 'SCALAR') { |
e535069e |
152 | $ret = $self->_sqlcase(' order by ').${ $_[0] }; |
d09c569a |
153 | } elsif (ref $_[0] eq 'ARRAY' && @{$_[0]}) { |
154 | my @order = @{+shift}; |
155 | $ret = $self->_sqlcase(' order by ') |
156 | .join(', ', map { |
157 | my $r = $self->_order_by($_, @_); |
158 | $r =~ s/^ ?ORDER BY //i; |
159 | $r; |
160 | } @order); |
54540863 |
161 | } else { |
162 | $ret = $self->SUPER::_order_by(@_); |
163 | } |
164 | return $ret; |
165 | } |
166 | |
f48dd03f |
167 | sub _order_directions { |
168 | my ($self, $order) = @_; |
169 | $order = $order->{order_by} if ref $order eq 'HASH'; |
170 | return $self->SUPER::_order_directions($order); |
171 | } |
172 | |
2a816814 |
173 | sub _table { |
bd7efd39 |
174 | my ($self, $from) = @_; |
175 | if (ref $from eq 'ARRAY') { |
176 | return $self->_recurse_from(@$from); |
177 | } elsif (ref $from eq 'HASH') { |
178 | return $self->_make_as($from); |
179 | } else { |
6346a152 |
180 | return $from; # would love to quote here but _table ends up getting called |
181 | # twice during an ->select without a limit clause due to |
182 | # the way S::A::Limit->select works. should maybe consider |
183 | # bypassing this and doing S::A::select($self, ...) in |
184 | # our select method above. meantime, quoting shims have |
185 | # been added to select/insert/update/delete here |
bd7efd39 |
186 | } |
187 | } |
188 | |
189 | sub _recurse_from { |
190 | my ($self, $from, @join) = @_; |
191 | my @sqlf; |
192 | push(@sqlf, $self->_make_as($from)); |
193 | foreach my $j (@join) { |
194 | my ($to, $on) = @$j; |
73856587 |
195 | |
54540863 |
196 | # check whether a join type exists |
197 | my $join_clause = ''; |
ca7b9fdf |
198 | my $to_jt = ref($to) eq 'ARRAY' ? $to->[0] : $to; |
199 | if (ref($to_jt) eq 'HASH' and exists($to_jt->{-join_type})) { |
200 | $join_clause = ' '.uc($to_jt->{-join_type}).' JOIN '; |
54540863 |
201 | } else { |
202 | $join_clause = ' JOIN '; |
203 | } |
73856587 |
204 | push(@sqlf, $join_clause); |
205 | |
bd7efd39 |
206 | if (ref $to eq 'ARRAY') { |
207 | push(@sqlf, '(', $self->_recurse_from(@$to), ')'); |
208 | } else { |
96cdbbab |
209 | push(@sqlf, $self->_make_as($to)); |
bd7efd39 |
210 | } |
211 | push(@sqlf, ' ON ', $self->_join_condition($on)); |
212 | } |
213 | return join('', @sqlf); |
214 | } |
215 | |
216 | sub _make_as { |
217 | my ($self, $from) = @_; |
54540863 |
218 | return join(' ', map { (ref $_ eq 'SCALAR' ? $$_ : $self->_quote($_)) } |
bc0c9800 |
219 | reverse each %{$self->_skip_options($from)}); |
73856587 |
220 | } |
221 | |
222 | sub _skip_options { |
54540863 |
223 | my ($self, $hash) = @_; |
224 | my $clean_hash = {}; |
225 | $clean_hash->{$_} = $hash->{$_} |
226 | for grep {!/^-/} keys %$hash; |
227 | return $clean_hash; |
bd7efd39 |
228 | } |
229 | |
230 | sub _join_condition { |
231 | my ($self, $cond) = @_; |
5efe4c79 |
232 | if (ref $cond eq 'HASH') { |
233 | my %j; |
bc0c9800 |
234 | for (keys %$cond) { |
235 | my $x = '= '.$self->_quote($cond->{$_}); $j{$_} = \$x; |
236 | }; |
5efe4c79 |
237 | return $self->_recurse_where(\%j); |
238 | } elsif (ref $cond eq 'ARRAY') { |
239 | return join(' OR ', map { $self->_join_condition($_) } @$cond); |
240 | } else { |
241 | die "Can't handle this yet!"; |
242 | } |
bd7efd39 |
243 | } |
244 | |
2a816814 |
245 | sub _quote { |
246 | my ($self, $label) = @_; |
247 | return '' unless defined $label; |
3b24f6ea |
248 | return "*" if $label eq '*'; |
41728a6e |
249 | return $label unless $self->{quote_char}; |
3b24f6ea |
250 | if(ref $self->{quote_char} eq "ARRAY"){ |
251 | return $self->{quote_char}->[0] . $label . $self->{quote_char}->[1] |
252 | if !defined $self->{name_sep}; |
253 | my $sep = $self->{name_sep}; |
254 | return join($self->{name_sep}, |
255 | map { $self->{quote_char}->[0] . $_ . $self->{quote_char}->[1] } |
256 | split(/\Q$sep\E/,$label)); |
257 | } |
2a816814 |
258 | return $self->SUPER::_quote($label); |
259 | } |
260 | |
7be93b07 |
261 | sub limit_dialect { |
262 | my $self = shift; |
263 | $self->{limit_dialect} = shift if @_; |
264 | return $self->{limit_dialect}; |
265 | } |
266 | |
2437a1e3 |
267 | sub quote_char { |
268 | my $self = shift; |
269 | $self->{quote_char} = shift if @_; |
270 | return $self->{quote_char}; |
271 | } |
272 | |
273 | sub name_sep { |
274 | my $self = shift; |
275 | $self->{name_sep} = shift if @_; |
276 | return $self->{name_sep}; |
277 | } |
278 | |
bd7efd39 |
279 | } # End of BEGIN block |
280 | |
8b445e33 |
281 | use base qw/DBIx::Class/; |
282 | |
1f692767 |
283 | __PACKAGE__->load_components(qw/AccessorGroup/); |
8b445e33 |
284 | |
223b8fe3 |
285 | __PACKAGE__->mk_group_accessors('simple' => |
2cc3a7be |
286 | qw/_connect_info _dbh _sql_maker _sql_maker_opts _conn_pid _conn_tid |
287 | debug debugobj cursor on_connect_do transaction_depth/); |
8091aa91 |
288 | |
b327f988 |
289 | =head1 NAME |
290 | |
291 | DBIx::Class::Storage::DBI - DBI storage handler |
292 | |
293 | =head1 SYNOPSIS |
294 | |
295 | =head1 DESCRIPTION |
296 | |
297 | This class represents the connection to the database |
298 | |
299 | =head1 METHODS |
300 | |
9b83fccd |
301 | =head2 new |
302 | |
303 | =cut |
304 | |
8b445e33 |
305 | sub new { |
04786a4c |
306 | my $new = {}; |
307 | bless $new, (ref $_[0] || $_[0]); |
308 | |
28927b50 |
309 | $new->cursor("DBIx::Class::Storage::DBI::Cursor"); |
d79f59b9 |
310 | $new->transaction_depth(0); |
4c248161 |
311 | |
312 | $new->debugobj(new DBIx::Class::Storage::Statistics()); |
313 | |
314 | my $fh; |
6fe735fa |
315 | |
316 | my $debug_env = $ENV{DBIX_CLASS_STORAGE_DBI_DEBUG} |
317 | || $ENV{DBIC_TRACE}; |
318 | |
319 | if (defined($debug_env) && ($debug_env =~ /=(.+)$/)) { |
4c248161 |
320 | $fh = IO::File->new($1, 'w') |
bc0c9800 |
321 | or $new->throw_exception("Cannot open trace file $1"); |
92b858c9 |
322 | } else { |
4c248161 |
323 | $fh = IO::File->new('>&STDERR'); |
92b858c9 |
324 | } |
004d31fb |
325 | $new->debugfh($fh); |
6fe735fa |
326 | $new->debug(1) if $debug_env; |
2cc3a7be |
327 | $new->_sql_maker_opts({}); |
223b8fe3 |
328 | return $new; |
8b445e33 |
329 | } |
330 | |
9b83fccd |
331 | =head2 throw_exception |
332 | |
333 | Throws an exception - croaks. |
334 | |
335 | =cut |
336 | |
1c339d71 |
337 | sub throw_exception { |
338 | my ($self, $msg) = @_; |
3b042bcb |
339 | croak($msg); |
1c339d71 |
340 | } |
341 | |
1b45b01e |
342 | =head2 connect_info |
343 | |
bb4f246d |
344 | The arguments of C<connect_info> are always a single array reference. |
1b45b01e |
345 | |
bb4f246d |
346 | This is normally accessed via L<DBIx::Class::Schema/connection>, which |
347 | encapsulates its argument list in an arrayref before calling |
348 | C<connect_info> here. |
1b45b01e |
349 | |
bb4f246d |
350 | The arrayref can either contain the same set of arguments one would |
351 | normally pass to L<DBI/connect>, or a lone code reference which returns |
352 | a connected database handle. |
d7c4c15c |
353 | |
2cc3a7be |
354 | In either case, if the final argument in your connect_info happens |
355 | to be a hashref, C<connect_info> will look there for several |
356 | connection-specific options: |
357 | |
358 | =over 4 |
359 | |
360 | =item on_connect_do |
361 | |
362 | This can be set to an arrayref of literal sql statements, which will |
363 | be executed immediately after making the connection to the database |
364 | every time we [re-]connect. |
365 | |
366 | =item limit_dialect |
367 | |
368 | Sets the limit dialect. This is useful for JDBC-bridge among others |
369 | where the remote SQL-dialect cannot be determined by the name of the |
370 | driver alone. |
371 | |
372 | =item quote_char |
d7c4c15c |
373 | |
2cc3a7be |
374 | Specifies what characters to use to quote table and column names. If |
375 | you use this you will want to specify L<name_sep> as well. |
376 | |
377 | quote_char expects either a single character, in which case is it is placed |
378 | on either side of the table/column, or an arrayref of length 2 in which case the |
379 | table/column name is placed between the elements. |
380 | |
381 | For example under MySQL you'd use C<quote_char =E<gt> '`'>, and user SQL Server you'd |
382 | use C<quote_char =E<gt> [qw/[ ]/]>. |
383 | |
384 | =item name_sep |
385 | |
386 | This only needs to be used in conjunction with L<quote_char>, and is used to |
387 | specify the charecter that seperates elements (schemas, tables, columns) from |
388 | each other. In most cases this is simply a C<.>. |
389 | |
390 | =back |
391 | |
392 | These options can be mixed in with your other L<DBI> connection attributes, |
393 | or placed in a seperate hashref after all other normal L<DBI> connection |
394 | arguments. |
395 | |
396 | Every time C<connect_info> is invoked, any previous settings for |
397 | these options will be cleared before setting the new ones, regardless of |
398 | whether any options are specified in the new C<connect_info>. |
399 | |
400 | Examples: |
401 | |
402 | # Simple SQLite connection |
bb4f246d |
403 | ->connect_info([ 'dbi:SQLite:./foo.db' ]); |
6789ebe3 |
404 | |
2cc3a7be |
405 | # Connect via subref |
bb4f246d |
406 | ->connect_info([ sub { DBI->connect(...) } ]); |
6789ebe3 |
407 | |
2cc3a7be |
408 | # A bit more complicated |
bb4f246d |
409 | ->connect_info( |
410 | [ |
411 | 'dbi:Pg:dbname=foo', |
412 | 'postgres', |
413 | 'my_pg_password', |
414 | { AutoCommit => 0 }, |
2cc3a7be |
415 | { quote_char => q{"}, name_sep => q{.} }, |
416 | ] |
417 | ); |
418 | |
419 | # Equivalent to the previous example |
420 | ->connect_info( |
421 | [ |
422 | 'dbi:Pg:dbname=foo', |
423 | 'postgres', |
424 | 'my_pg_password', |
425 | { AutoCommit => 0, quote_char => q{"}, name_sep => q{.} }, |
bb4f246d |
426 | ] |
427 | ); |
6789ebe3 |
428 | |
2cc3a7be |
429 | # Subref + DBIC-specific connection options |
bb4f246d |
430 | ->connect_info( |
431 | [ |
432 | sub { DBI->connect(...) }, |
2cc3a7be |
433 | { |
434 | quote_char => q{`}, |
435 | name_sep => q{@}, |
436 | on_connect_do => ['SET search_path TO myschema,otherschema,public'], |
437 | }, |
bb4f246d |
438 | ] |
439 | ); |
6789ebe3 |
440 | |
bb4f246d |
441 | =head2 on_connect_do |
6789ebe3 |
442 | |
2cc3a7be |
443 | This method is deprecated in favor of setting via L</connect_info>. |
6789ebe3 |
444 | |
92b858c9 |
445 | =head2 debug |
446 | |
4c248161 |
447 | Causes SQL trace information to be emitted on the C<debugobj> object. |
448 | (or C<STDERR> if C<debugobj> has not specifically been set). |
92b858c9 |
449 | |
f7a90adc |
450 | This is the equivalent to setting L</DBIC_TRACE> in your |
451 | shell environment. |
452 | |
92b858c9 |
453 | =head2 debugfh |
454 | |
4c248161 |
455 | Set or retrieve the filehandle used for trace/debug output. This should be |
456 | an IO::Handle compatible ojbect (only the C<print> method is used. Initially |
457 | set to be STDERR - although see information on the |
6fe735fa |
458 | L<DBIC_TRACE> environment variable. |
92b858c9 |
459 | |
004d31fb |
460 | =cut |
461 | |
462 | sub debugfh { |
463 | my $self = shift; |
464 | |
465 | if ($self->debugobj->can('debugfh')) { |
466 | return $self->debugobj->debugfh(@_); |
467 | } |
468 | } |
469 | |
4c248161 |
470 | =head2 debugobj |
471 | |
472 | Sets or retrieves the object used for metric collection. Defaults to an instance |
473 | of L<DBIx::Class::Storage::Statistics> that is campatible with the original |
474 | method of using a coderef as a callback. See the aforementioned Statistics |
475 | class for more information. |
476 | |
486ad69b |
477 | =head2 debugcb |
478 | |
479 | Sets a callback to be executed each time a statement is run; takes a sub |
4c248161 |
480 | reference. Callback is executed as $sub->($op, $info) where $op is |
481 | SELECT/INSERT/UPDATE/DELETE and $info is what would normally be printed. |
486ad69b |
482 | |
4c248161 |
483 | See L<debugobj> for a better way. |
d7c4c15c |
484 | |
4c248161 |
485 | =cut |
004d31fb |
486 | |
486ad69b |
487 | sub debugcb { |
004d31fb |
488 | my $self = shift; |
4c248161 |
489 | |
004d31fb |
490 | if ($self->debugobj->can('callback')) { |
491 | return $self->debugobj->callback(@_); |
4c248161 |
492 | } |
486ad69b |
493 | } |
494 | |
9b83fccd |
495 | =head2 disconnect |
496 | |
497 | Disconnect the L<DBI> handle, performing a rollback first if the |
498 | database is not in C<AutoCommit> mode. |
499 | |
500 | =cut |
501 | |
412db1f4 |
502 | sub disconnect { |
503 | my ($self) = @_; |
504 | |
92925617 |
505 | if( $self->connected ) { |
506 | $self->_dbh->rollback unless $self->_dbh->{AutoCommit}; |
507 | $self->_dbh->disconnect; |
508 | $self->_dbh(undef); |
509 | } |
412db1f4 |
510 | } |
511 | |
9b83fccd |
512 | =head2 connected |
513 | |
514 | Check if the L<DBI> handle is connected. Returns true if the handle |
515 | is connected. |
516 | |
517 | =cut |
518 | |
519 | sub connected { my ($self) = @_; |
412db1f4 |
520 | |
1346e22d |
521 | if(my $dbh = $self->_dbh) { |
522 | if(defined $self->_conn_tid && $self->_conn_tid != threads->tid) { |
1346e22d |
523 | return $self->_dbh(undef); |
524 | } |
525 | elsif($self->_conn_pid != $$) { |
526 | $self->_dbh->{InactiveDestroy} = 1; |
2cc3a7be |
527 | return $self->_dbh(undef); |
1346e22d |
528 | } |
529 | return ($dbh->FETCH('Active') && $dbh->ping); |
530 | } |
531 | |
532 | return 0; |
412db1f4 |
533 | } |
534 | |
9b83fccd |
535 | =head2 ensure_connected |
536 | |
537 | Check whether the database handle is connected - if not then make a |
538 | connection. |
539 | |
540 | =cut |
541 | |
412db1f4 |
542 | sub ensure_connected { |
543 | my ($self) = @_; |
544 | |
545 | unless ($self->connected) { |
8b445e33 |
546 | $self->_populate_dbh; |
547 | } |
412db1f4 |
548 | } |
549 | |
c235bbae |
550 | =head2 dbh |
551 | |
552 | Returns the dbh - a data base handle of class L<DBI>. |
553 | |
554 | =cut |
555 | |
412db1f4 |
556 | sub dbh { |
557 | my ($self) = @_; |
558 | |
559 | $self->ensure_connected; |
8b445e33 |
560 | return $self->_dbh; |
561 | } |
562 | |
f1f56aad |
563 | sub _sql_maker_args { |
564 | my ($self) = @_; |
565 | |
2cc3a7be |
566 | return ( limit_dialect => $self->dbh, %{$self->_sql_maker_opts} ); |
f1f56aad |
567 | } |
568 | |
9b83fccd |
569 | =head2 sql_maker |
570 | |
571 | Returns a C<sql_maker> object - normally an object of class |
572 | C<DBIC::SQL::Abstract>. |
573 | |
574 | =cut |
575 | |
48c69e7c |
576 | sub sql_maker { |
577 | my ($self) = @_; |
fdc1c3d0 |
578 | unless ($self->_sql_maker) { |
f1f56aad |
579 | $self->_sql_maker(new DBIC::SQL::Abstract( $self->_sql_maker_args )); |
48c69e7c |
580 | } |
581 | return $self->_sql_maker; |
582 | } |
583 | |
1b45b01e |
584 | sub connect_info { |
bb4f246d |
585 | my ($self, $info_arg) = @_; |
586 | |
587 | if($info_arg) { |
2cc3a7be |
588 | # Kill sql_maker/_sql_maker_opts, so we get a fresh one with only |
589 | # the new set of options |
590 | $self->_sql_maker(undef); |
591 | $self->_sql_maker_opts({}); |
592 | |
bb4f246d |
593 | my $info = [ @$info_arg ]; # copy because we can alter it |
594 | my $last_info = $info->[-1]; |
595 | if(ref $last_info eq 'HASH') { |
2cc3a7be |
596 | if(my $on_connect_do = delete $last_info->{on_connect_do}) { |
bb4f246d |
597 | $self->on_connect_do($on_connect_do); |
598 | } |
599 | for my $sql_maker_opt (qw/limit_dialect quote_char name_sep/) { |
2cc3a7be |
600 | if(my $opt_val = delete $last_info->{$sql_maker_opt}) { |
601 | $self->_sql_maker_opts->{$sql_maker_opt} = $opt_val; |
1b45b01e |
602 | } |
bb4f246d |
603 | } |
1b45b01e |
604 | |
2cc3a7be |
605 | # Get rid of any trailing empty hashref |
606 | pop(@$info) if !keys %$last_info; |
1b45b01e |
607 | } |
608 | |
bb4f246d |
609 | $self->_connect_info($info); |
610 | } |
611 | |
612 | $self->_connect_info; |
1b45b01e |
613 | } |
614 | |
8b445e33 |
615 | sub _populate_dbh { |
616 | my ($self) = @_; |
1b45b01e |
617 | my @info = @{$self->_connect_info || []}; |
8b445e33 |
618 | $self->_dbh($self->_connect(@info)); |
2fd24e78 |
619 | |
620 | if(ref $self eq 'DBIx::Class::Storage::DBI') { |
621 | my $driver = $self->_dbh->{Driver}->{Name}; |
efe6365b |
622 | if ($self->load_optional_class("DBIx::Class::Storage::DBI::${driver}")) { |
2fd24e78 |
623 | bless $self, "DBIx::Class::Storage::DBI::${driver}"; |
624 | $self->_rebless() if $self->can('_rebless'); |
625 | } |
843f8ecd |
626 | } |
2fd24e78 |
627 | |
d7c4c15c |
628 | # if on-connect sql statements are given execute them |
629 | foreach my $sql_statement (@{$self->on_connect_do || []}) { |
4c248161 |
630 | $self->debugobj->query_start($sql_statement) if $self->debug(); |
d7c4c15c |
631 | $self->_dbh->do($sql_statement); |
4c248161 |
632 | $self->debugobj->query_end($sql_statement) if $self->debug(); |
d7c4c15c |
633 | } |
5ef3e508 |
634 | |
1346e22d |
635 | $self->_conn_pid($$); |
636 | $self->_conn_tid(threads->tid) if $INC{'threads.pm'}; |
8b445e33 |
637 | } |
638 | |
639 | sub _connect { |
640 | my ($self, @info) = @_; |
5ef3e508 |
641 | |
9d31f7dc |
642 | $self->throw_exception("You failed to provide any connection info") |
643 | if !@info; |
644 | |
90ec6cad |
645 | my ($old_connect_via, $dbh); |
646 | |
5ef3e508 |
647 | if ($INC{'Apache/DBI.pm'} && $ENV{MOD_PERL}) { |
90ec6cad |
648 | $old_connect_via = $DBI::connect_via; |
5ef3e508 |
649 | $DBI::connect_via = 'connect'; |
5ef3e508 |
650 | } |
651 | |
75db246c |
652 | eval { |
bb4f246d |
653 | $dbh = ref $info[0] eq 'CODE' |
654 | ? &{$info[0]} |
655 | : DBI->connect(@info); |
75db246c |
656 | }; |
90ec6cad |
657 | |
658 | $DBI::connect_via = $old_connect_via if $old_connect_via; |
659 | |
75db246c |
660 | if (!$dbh || $@) { |
661 | $self->throw_exception("DBI Connection failed: " . ($@ || $DBI::errstr)); |
662 | } |
90ec6cad |
663 | |
e571e823 |
664 | $dbh; |
8b445e33 |
665 | } |
666 | |
8091aa91 |
667 | =head2 txn_begin |
8b445e33 |
668 | |
8091aa91 |
669 | Calls begin_work on the current dbh. |
8b445e33 |
670 | |
181a28f4 |
671 | See L<DBIx::Class::Schema> for the txn_do() method, which allows for |
672 | an entire code block to be executed transactionally. |
673 | |
8b445e33 |
674 | =cut |
675 | |
8091aa91 |
676 | sub txn_begin { |
d79f59b9 |
677 | my $self = shift; |
a32e8402 |
678 | if ($self->{transaction_depth}++ == 0) { |
679 | my $dbh = $self->dbh; |
680 | if ($dbh->{AutoCommit}) { |
4c248161 |
681 | $self->debugobj->txn_begin() |
a32e8402 |
682 | if ($self->debug); |
683 | $dbh->begin_work; |
684 | } |
986e4fca |
685 | } |
8091aa91 |
686 | } |
8b445e33 |
687 | |
8091aa91 |
688 | =head2 txn_commit |
8b445e33 |
689 | |
8091aa91 |
690 | Issues a commit against the current dbh. |
8b445e33 |
691 | |
8091aa91 |
692 | =cut |
693 | |
694 | sub txn_commit { |
d79f59b9 |
695 | my $self = shift; |
7c5a8b60 |
696 | my $dbh = $self->dbh; |
d79f59b9 |
697 | if ($self->{transaction_depth} == 0) { |
a32e8402 |
698 | unless ($dbh->{AutoCommit}) { |
4c248161 |
699 | $self->debugobj->txn_commit() |
986e4fca |
700 | if ($self->debug); |
a32e8402 |
701 | $dbh->commit; |
986e4fca |
702 | } |
8091aa91 |
703 | } |
704 | else { |
986e4fca |
705 | if (--$self->{transaction_depth} == 0) { |
4c248161 |
706 | $self->debugobj->txn_commit() |
986e4fca |
707 | if ($self->debug); |
7c5a8b60 |
708 | $dbh->commit; |
986e4fca |
709 | } |
8091aa91 |
710 | } |
711 | } |
712 | |
713 | =head2 txn_rollback |
714 | |
181a28f4 |
715 | Issues a rollback against the current dbh. A nested rollback will |
716 | throw a L<DBIx::Class::Storage::NESTED_ROLLBACK_EXCEPTION> exception, |
717 | which allows the rollback to propagate to the outermost transaction. |
8b445e33 |
718 | |
719 | =cut |
720 | |
8091aa91 |
721 | sub txn_rollback { |
d79f59b9 |
722 | my $self = shift; |
a62cf8d4 |
723 | |
724 | eval { |
7c5a8b60 |
725 | my $dbh = $self->dbh; |
a62cf8d4 |
726 | if ($self->{transaction_depth} == 0) { |
a32e8402 |
727 | unless ($dbh->{AutoCommit}) { |
4c248161 |
728 | $self->debugobj->txn_rollback() |
986e4fca |
729 | if ($self->debug); |
a32e8402 |
730 | $dbh->rollback; |
986e4fca |
731 | } |
a62cf8d4 |
732 | } |
733 | else { |
986e4fca |
734 | if (--$self->{transaction_depth} == 0) { |
4c248161 |
735 | $self->debugobj->txn_rollback() |
986e4fca |
736 | if ($self->debug); |
7c5a8b60 |
737 | $dbh->rollback; |
986e4fca |
738 | } |
739 | else { |
1346e22d |
740 | die DBIx::Class::Storage::NESTED_ROLLBACK_EXCEPTION->new; |
986e4fca |
741 | } |
a62cf8d4 |
742 | } |
743 | }; |
744 | |
745 | if ($@) { |
746 | my $error = $@; |
747 | my $exception_class = "DBIx::Class::Storage::NESTED_ROLLBACK_EXCEPTION"; |
748 | $error =~ /$exception_class/ and $self->throw_exception($error); |
749 | $self->{transaction_depth} = 0; # ensure that a failed rollback |
750 | $self->throw_exception($error); # resets the transaction depth |
8091aa91 |
751 | } |
752 | } |
8b445e33 |
753 | |
223b8fe3 |
754 | sub _execute { |
755 | my ($self, $op, $extra_bind, $ident, @args) = @_; |
756 | my ($sql, @bind) = $self->sql_maker->$op($ident, @args); |
944f30bf |
757 | unshift(@bind, @$extra_bind) if $extra_bind; |
f59ffc79 |
758 | if ($self->debug) { |
e673f011 |
759 | my @debug_bind = map { defined $_ ? qq{'$_'} : q{'NULL'} } @bind; |
4c248161 |
760 | $self->debugobj->query_start($sql, @debug_bind); |
f59ffc79 |
761 | } |
75db246c |
762 | my $sth = eval { $self->sth($sql,$op) }; |
763 | |
764 | if (!$sth || $@) { |
ec0ff6f6 |
765 | $self->throw_exception( |
766 | 'no sth generated via sql (' . ($@ || $self->_dbh->errstr) . "): $sql" |
767 | ); |
75db246c |
768 | } |
438adc0e |
769 | @bind = map { ref $_ ? ''.$_ : $_ } @bind; # stringify args |
701da8c4 |
770 | my $rv; |
75d07914 |
771 | if ($sth) { |
4c248161 |
772 | my $time = time(); |
95dad7e2 |
773 | $rv = eval { $sth->execute(@bind) }; |
774 | |
775 | if ($@ || !$rv) { |
776 | $self->throw_exception("Error executing '$sql': ".($@ || $sth->errstr)); |
777 | } |
75d07914 |
778 | } else { |
1c339d71 |
779 | $self->throw_exception("'$sql' did not generate a statement."); |
701da8c4 |
780 | } |
4c248161 |
781 | if ($self->debug) { |
758272ec |
782 | my @debug_bind = map { defined $_ ? qq{`$_'} : q{`NULL'} } @bind; |
4c248161 |
783 | $self->debugobj->query_end($sql, @debug_bind); |
784 | } |
223b8fe3 |
785 | return (wantarray ? ($rv, $sth, @bind) : $rv); |
786 | } |
787 | |
8b445e33 |
788 | sub insert { |
789 | my ($self, $ident, $to_insert) = @_; |
bc0c9800 |
790 | $self->throw_exception( |
791 | "Couldn't insert ".join(', ', |
792 | map "$_ => $to_insert->{$_}", keys %$to_insert |
793 | )." into ${ident}" |
794 | ) unless ($self->_execute('insert' => [], $ident, $to_insert)); |
8b445e33 |
795 | return $to_insert; |
796 | } |
797 | |
798 | sub update { |
223b8fe3 |
799 | return shift->_execute('update' => [], @_); |
8b445e33 |
800 | } |
801 | |
802 | sub delete { |
223b8fe3 |
803 | return shift->_execute('delete' => [], @_); |
8b445e33 |
804 | } |
805 | |
de705b51 |
806 | sub _select { |
8b445e33 |
807 | my ($self, $ident, $select, $condition, $attrs) = @_; |
223b8fe3 |
808 | my $order = $attrs->{order_by}; |
809 | if (ref $condition eq 'SCALAR') { |
810 | $order = $1 if $$condition =~ s/ORDER BY (.*)$//i; |
811 | } |
8839560b |
812 | if (exists $attrs->{group_by} || $attrs->{having}) { |
bc0c9800 |
813 | $order = { |
814 | group_by => $attrs->{group_by}, |
815 | having => $attrs->{having}, |
816 | ($order ? (order_by => $order) : ()) |
817 | }; |
54540863 |
818 | } |
5c91499f |
819 | my @args = ('select', $attrs->{bind}, $ident, $select, $condition, $order); |
9229f20a |
820 | if ($attrs->{software_limit} || |
821 | $self->sql_maker->_default_limit_syntax eq "GenericSubQ") { |
822 | $attrs->{software_limit} = 1; |
5c91499f |
823 | } else { |
0823196c |
824 | $self->throw_exception("rows attribute must be positive if present") |
825 | if (defined($attrs->{rows}) && !($attrs->{rows} > 0)); |
5c91499f |
826 | push @args, $attrs->{rows}, $attrs->{offset}; |
827 | } |
de705b51 |
828 | return $self->_execute(@args); |
829 | } |
830 | |
9b83fccd |
831 | =head2 select |
832 | |
d3b0e369 |
833 | =over 4 |
834 | |
835 | =item Arguments: $ident, $select, $condition, $attrs |
836 | |
837 | =back |
838 | |
9b83fccd |
839 | Handle a SQL select statement. |
840 | |
841 | =cut |
842 | |
de705b51 |
843 | sub select { |
844 | my $self = shift; |
845 | my ($ident, $select, $condition, $attrs) = @_; |
cb5f2eea |
846 | return $self->cursor->new($self, \@_, $attrs); |
8b445e33 |
847 | } |
848 | |
9b83fccd |
849 | =head2 select_single |
850 | |
851 | Performs a select, fetch and return of data - handles a single row |
852 | only. |
853 | |
854 | =cut |
855 | |
6157db4f |
856 | # Need to call finish() to work round broken DBDs |
857 | |
1a14aa3f |
858 | sub select_single { |
de705b51 |
859 | my $self = shift; |
860 | my ($rv, $sth, @bind) = $self->_select(@_); |
6157db4f |
861 | my @row = $sth->fetchrow_array; |
862 | $sth->finish(); |
863 | return @row; |
1a14aa3f |
864 | } |
865 | |
9b83fccd |
866 | =head2 sth |
867 | |
d3b0e369 |
868 | =over 4 |
869 | |
870 | =item Arguments: $sql |
871 | |
872 | =back |
873 | |
9b83fccd |
874 | Returns a L<DBI> sth (statement handle) for the supplied SQL. |
875 | |
876 | =cut |
877 | |
8b445e33 |
878 | sub sth { |
cb5f2eea |
879 | my ($self, $sql) = @_; |
91fa659e |
880 | # 3 is the if_active parameter which avoids active sth re-use |
881 | return $self->dbh->prepare_cached($sql, {}, 3); |
8b445e33 |
882 | } |
883 | |
a953d8d9 |
884 | =head2 columns_info_for |
885 | |
d3b0e369 |
886 | Returns database type info for a given table column. |
a953d8d9 |
887 | |
888 | =cut |
889 | |
890 | sub columns_info_for { |
0d67fe74 |
891 | my ($self, $table) = @_; |
bfe10d87 |
892 | |
a32e8402 |
893 | my $dbh = $self->dbh; |
894 | |
895 | if ($dbh->can('column_info')) { |
a953d8d9 |
896 | my %result; |
955f1590 |
897 | local $dbh->{RaiseError} = 1; |
898 | local $dbh->{PrintError} = 0; |
0d67fe74 |
899 | eval { |
4d272ce5 |
900 | my ($schema,$tab) = $table =~ /^(.+?)\.(.+)$/ ? ($1,$2) : (undef,$table); |
901 | my $sth = $dbh->column_info( undef,$schema, $tab, '%' ); |
0d67fe74 |
902 | $sth->execute(); |
099049b5 |
903 | |
0d67fe74 |
904 | while ( my $info = $sth->fetchrow_hashref() ){ |
bfe10d87 |
905 | my %column_info; |
0d67fe74 |
906 | $column_info{data_type} = $info->{TYPE_NAME}; |
907 | $column_info{size} = $info->{COLUMN_SIZE}; |
908 | $column_info{is_nullable} = $info->{NULLABLE} ? 1 : 0; |
909 | $column_info{default_value} = $info->{COLUMN_DEF}; |
0b88a5bb |
910 | my $col_name = $info->{COLUMN_NAME}; |
911 | $col_name =~ s/^\"(.*)\"$/$1/; |
0d67fe74 |
912 | |
0b88a5bb |
913 | $result{$col_name} = \%column_info; |
0d67fe74 |
914 | } |
915 | }; |
093fc7a6 |
916 | return \%result if !$@ && scalar keys %result; |
0d67fe74 |
917 | } |
918 | |
919 | my %result; |
a32e8402 |
920 | my $sth = $dbh->prepare("SELECT * FROM $table WHERE 1=0"); |
0d67fe74 |
921 | $sth->execute; |
922 | my @columns = @{$sth->{NAME_lc}}; |
923 | for my $i ( 0 .. $#columns ){ |
924 | my %column_info; |
925 | my $type_num = $sth->{TYPE}->[$i]; |
926 | my $type_name; |
a32e8402 |
927 | if(defined $type_num && $dbh->can('type_info')) { |
928 | my $type_info = $dbh->type_info($type_num); |
0d67fe74 |
929 | $type_name = $type_info->{TYPE_NAME} if $type_info; |
a953d8d9 |
930 | } |
0d67fe74 |
931 | $column_info{data_type} = $type_name ? $type_name : $type_num; |
932 | $column_info{size} = $sth->{PRECISION}->[$i]; |
933 | $column_info{is_nullable} = $sth->{NULLABLE}->[$i] ? 1 : 0; |
934 | |
935 | if ($column_info{data_type} =~ m/^(.*?)\((.*?)\)$/) { |
936 | $column_info{data_type} = $1; |
937 | $column_info{size} = $2; |
938 | } |
939 | |
940 | $result{$columns[$i]} = \%column_info; |
941 | } |
bfe10d87 |
942 | |
0d67fe74 |
943 | return \%result; |
a953d8d9 |
944 | } |
945 | |
9b83fccd |
946 | =head2 last_insert_id |
947 | |
948 | Return the row id of the last insert. |
949 | |
950 | =cut |
951 | |
843f8ecd |
952 | sub last_insert_id { |
953 | my ($self, $row) = @_; |
954 | |
955 | return $self->dbh->func('last_insert_rowid'); |
956 | |
957 | } |
958 | |
9b83fccd |
959 | =head2 sqlt_type |
960 | |
961 | Returns the database driver name. |
962 | |
963 | =cut |
964 | |
90ec6cad |
965 | sub sqlt_type { shift->dbh->{Driver}->{Name} } |
1c339d71 |
966 | |
9b83fccd |
967 | =head2 create_ddl_dir (EXPERIMENTAL) |
968 | |
969 | =over 4 |
970 | |
971 | =item Arguments: $schema \@databases, $version, $directory, $sqlt_args |
972 | |
973 | =back |
974 | |
d3b0e369 |
975 | Creates a SQL file based on the Schema, for each of the specified |
9b83fccd |
976 | database types, in the given directory. |
977 | |
978 | Note that this feature is currently EXPERIMENTAL and may not work correctly |
979 | across all databases, or fully handle complex relationships. |
980 | |
981 | =cut |
982 | |
e673f011 |
983 | sub create_ddl_dir |
984 | { |
985 | my ($self, $schema, $databases, $version, $dir, $sqltargs) = @_; |
986 | |
987 | if(!$dir || !-d $dir) |
988 | { |
989 | warn "No directory given, using ./\n"; |
990 | $dir = "./"; |
991 | } |
992 | $databases ||= ['MySQL', 'SQLite', 'PostgreSQL']; |
993 | $databases = [ $databases ] if(ref($databases) ne 'ARRAY'); |
994 | $version ||= $schema->VERSION || '1.x'; |
9e7b9292 |
995 | $sqltargs = { ( add_drop_table => 1 ), %{$sqltargs || {}} }; |
e673f011 |
996 | |
1c339d71 |
997 | eval "use SQL::Translator"; |
998 | $self->throw_exception("Can't deploy without SQL::Translator: $@") if $@; |
e673f011 |
999 | |
9e7b9292 |
1000 | my $sqlt = SQL::Translator->new($sqltargs); |
e673f011 |
1001 | foreach my $db (@$databases) |
1002 | { |
1003 | $sqlt->reset(); |
1004 | $sqlt->parser('SQL::Translator::Parser::DBIx::Class'); |
1005 | # $sqlt->parser_args({'DBIx::Class' => $schema); |
1006 | $sqlt->data($schema); |
1007 | $sqlt->producer($db); |
1008 | |
1009 | my $file; |
1010 | my $filename = $schema->ddl_filename($db, $dir, $version); |
1011 | if(-e $filename) |
1012 | { |
1013 | $self->throw_exception("$filename already exists, skipping $db"); |
1014 | next; |
1015 | } |
1016 | open($file, ">$filename") |
1017 | or $self->throw_exception("Can't open $filename for writing ($!)"); |
1018 | my $output = $sqlt->translate; |
1019 | #use Data::Dumper; |
1020 | # print join(":", keys %{$schema->source_registrations}); |
1021 | # print Dumper($sqlt->schema); |
1022 | if(!$output) |
1023 | { |
1024 | $self->throw_exception("Failed to translate to $db. (" . $sqlt->error . ")"); |
1025 | next; |
1026 | } |
1027 | print $file $output; |
1028 | close($file); |
1029 | } |
1030 | |
1031 | } |
1032 | |
9b83fccd |
1033 | =head2 deployment_statements |
1034 | |
d3b0e369 |
1035 | =over 4 |
1036 | |
1037 | =item Arguments: $schema, $type, $version, $directory, $sqlt_args |
1038 | |
1039 | =back |
1040 | |
1041 | Returns the statements used by L</deploy> and L<DBIx::Class::Schema/deploy>. |
1042 | The database driver name is given by C<$type>, though the value from |
1043 | L</sqlt_type> is used if it is not specified. |
1044 | |
1045 | C<$directory> is used to return statements from files in a previously created |
1046 | L</create_ddl_dir> directory and is optional. The filenames are constructed |
1047 | from L<DBIx::Class::Schema/ddl_filename>, the schema name and the C<$version>. |
1048 | |
1049 | If no C<$directory> is specified then the statements are constructed on the |
1050 | fly using L<SQL::Translator> and C<$version> is ignored. |
1051 | |
1052 | See L<SQL::Translator/METHODS> for a list of values for C<$sqlt_args>. |
9b83fccd |
1053 | |
1054 | =cut |
1055 | |
e673f011 |
1056 | sub deployment_statements { |
1057 | my ($self, $schema, $type, $version, $dir, $sqltargs) = @_; |
915919c5 |
1058 | # Need to be connected to get the correct sqlt_type |
c377d939 |
1059 | $self->ensure_connected() unless $type; |
e673f011 |
1060 | $type ||= $self->sqlt_type; |
1061 | $version ||= $schema->VERSION || '1.x'; |
1062 | $dir ||= './'; |
0382d607 |
1063 | eval "use SQL::Translator"; |
1064 | if(!$@) |
1065 | { |
1066 | eval "use SQL::Translator::Parser::DBIx::Class;"; |
1067 | $self->throw_exception($@) if $@; |
1068 | eval "use SQL::Translator::Producer::${type};"; |
1069 | $self->throw_exception($@) if $@; |
1070 | my $tr = SQL::Translator->new(%$sqltargs); |
1071 | SQL::Translator::Parser::DBIx::Class::parse( $tr, $schema ); |
1072 | return "SQL::Translator::Producer::${type}"->can('produce')->($tr); |
1073 | } |
e673f011 |
1074 | |
1075 | my $filename = $schema->ddl_filename($type, $dir, $version); |
1076 | if(!-f $filename) |
1077 | { |
0382d607 |
1078 | # $schema->create_ddl_dir([ $type ], $version, $dir, $sqltargs); |
1079 | $self->throw_exception("No SQL::Translator, and no Schema file found, aborting deploy"); |
1080 | return; |
e673f011 |
1081 | } |
1082 | my $file; |
1083 | open($file, "<$filename") |
1084 | or $self->throw_exception("Can't open $filename ($!)"); |
1085 | my @rows = <$file>; |
1086 | close($file); |
1087 | |
1088 | return join('', @rows); |
1089 | |
1c339d71 |
1090 | } |
843f8ecd |
1091 | |
9b83fccd |
1092 | =head2 deploy |
1093 | |
1094 | Sends the appropriate statements to create or modify tables to the |
1095 | db. This would normally be called through |
1096 | L<DBIx::Class::Schema/deploy>. |
1097 | |
1098 | =cut |
1099 | |
1c339d71 |
1100 | sub deploy { |
260129d8 |
1101 | my ($self, $schema, $type, $sqltargs, $dir) = @_; |
ae9a0fa0 |
1102 | foreach my $statement ( $self->deployment_statements($schema, $type, undef, $dir, { no_comments => 1, %{ $sqltargs || {} } } ) ) { |
1103 | for ( split(";\n", $statement)) { |
1104 | next if($_ =~ /^--/); |
1105 | next if(!$_); |
1106 | # next if($_ =~ /^DROP/m); |
e673f011 |
1107 | next if($_ =~ /^BEGIN TRANSACTION/m); |
1108 | next if($_ =~ /^COMMIT/m); |
ae9a0fa0 |
1109 | next if $_ =~ /^\s+$/; # skip whitespace only |
bdea30e3 |
1110 | $self->debugobj->query_start($_) if $self->debug; |
e4fe9ba3 |
1111 | $self->dbh->do($_) or warn "SQL was:\n $_"; |
4c248161 |
1112 | $self->debugobj->query_end($_) if $self->debug; |
ae9a0fa0 |
1113 | } |
75d07914 |
1114 | } |
1c339d71 |
1115 | } |
843f8ecd |
1116 | |
9b83fccd |
1117 | =head2 datetime_parser |
1118 | |
1119 | Returns the datetime parser class |
1120 | |
1121 | =cut |
1122 | |
f86fcf0d |
1123 | sub datetime_parser { |
1124 | my $self = shift; |
1125 | return $self->{datetime_parser} ||= $self->build_datetime_parser(@_); |
1126 | } |
1127 | |
9b83fccd |
1128 | =head2 datetime_parser_type |
1129 | |
1130 | Defines (returns) the datetime parser class - currently hardwired to |
1131 | L<DateTime::Format::MySQL> |
1132 | |
1133 | =cut |
1134 | |
f86fcf0d |
1135 | sub datetime_parser_type { "DateTime::Format::MySQL"; } |
1136 | |
9b83fccd |
1137 | =head2 build_datetime_parser |
1138 | |
1139 | See L</datetime_parser> |
1140 | |
1141 | =cut |
1142 | |
f86fcf0d |
1143 | sub build_datetime_parser { |
1144 | my $self = shift; |
1145 | my $type = $self->datetime_parser_type(@_); |
1146 | eval "use ${type}"; |
1147 | $self->throw_exception("Couldn't load ${type}: $@") if $@; |
1148 | return $type; |
1149 | } |
1150 | |
89d794d4 |
1151 | sub DESTROY { |
1152 | # NOTE: if there's a merge conflict here when -current is pushed |
1153 | # back to trunk, take -current's version and ignore this trunk one :) |
1154 | my $self = shift; |
1155 | |
1156 | if($self->_dbh && $self->_conn_pid != $$) { |
1157 | $self->_dbh->{InactiveDestroy} = 1; |
1158 | } |
1159 | |
1160 | $self->_dbh(undef); |
1161 | } |
92925617 |
1162 | |
8b445e33 |
1163 | 1; |
1164 | |
9b83fccd |
1165 | =head1 SQL METHODS |
1166 | |
1167 | The module defines a set of methods within the DBIC::SQL::Abstract |
1168 | namespace. These build on L<SQL::Abstract::Limit> to provide the |
1169 | SQL query functions. |
1170 | |
1171 | The following methods are extended:- |
1172 | |
1173 | =over 4 |
1174 | |
1175 | =item delete |
1176 | |
1177 | =item insert |
1178 | |
1179 | =item select |
1180 | |
1181 | =item update |
1182 | |
1183 | =item limit_dialect |
1184 | |
2cc3a7be |
1185 | See L</connect_info> for details. |
1186 | For setting, this method is deprecated in favor of L</connect_info>. |
bb4f246d |
1187 | |
9b83fccd |
1188 | =item quote_char |
1189 | |
2cc3a7be |
1190 | See L</connect_info> for details. |
1191 | For setting, this method is deprecated in favor of L</connect_info>. |
bb4f246d |
1192 | |
9b83fccd |
1193 | =item name_sep |
1194 | |
2cc3a7be |
1195 | See L</connect_info> for details. |
1196 | For setting, this method is deprecated in favor of L</connect_info>. |
bb4f246d |
1197 | |
9b83fccd |
1198 | =back |
1199 | |
92b858c9 |
1200 | =head1 ENVIRONMENT VARIABLES |
1201 | |
6fe735fa |
1202 | =head2 DBIC_TRACE |
92b858c9 |
1203 | |
6fe735fa |
1204 | If C<DBIC_TRACE> is set then SQL trace information |
92b858c9 |
1205 | is produced (as when the L<debug> method is set). |
1206 | |
1207 | If the value is of the form C<1=/path/name> then the trace output is |
1208 | written to the file C</path/name>. |
1209 | |
d1cceec4 |
1210 | This environment variable is checked when the storage object is first |
1211 | created (when you call connect on your schema). So, run-time changes |
1212 | to this environment variable will not take effect unless you also |
1213 | re-connect on your schema. |
1214 | |
6fe735fa |
1215 | =head2 DBIX_CLASS_STORAGE_DBI_DEBUG |
1216 | |
1217 | Old name for DBIC_TRACE |
1218 | |
8b445e33 |
1219 | =head1 AUTHORS |
1220 | |
daec44b8 |
1221 | Matt S. Trout <mst@shadowcatsystems.co.uk> |
8b445e33 |
1222 | |
9f19b1d6 |
1223 | Andy Grundman <andy@hybridized.org> |
1224 | |
8b445e33 |
1225 | =head1 LICENSE |
1226 | |
1227 | You may distribute this code under the same terms as Perl itself. |
1228 | |
1229 | =cut |