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1 | package DBIx::Class::Schema::Loader::DBI::Oracle; |
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2 | |
3 | use strict; |
4 | use warnings; |
383bd2a8 |
5 | use base 'DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault'; |
942bd5e0 |
6 | use mro 'c3'; |
1af21646 |
7 | use Try::Tiny; |
ff4b0152 |
8 | use DBIx::Class::Schema::Loader::Utils qw/sigwarn_silencer/; |
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9 | use namespace::clean; |
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10 | |
6c3d66fe |
11 | our $VERSION = '0.07036_02'; |
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12 | |
13 | =head1 NAME |
14 | |
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15 | DBIx::Class::Schema::Loader::DBI::Oracle - DBIx::Class::Schema::Loader::DBI |
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16 | Oracle Implementation. |
17 | |
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18 | =head1 DESCRIPTION |
19 | |
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20 | See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>. |
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21 | |
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22 | =cut |
23 | |
d0e184e9 |
24 | sub _setup { |
25 | my $self = shift; |
26 | |
27 | $self->next::method(@_); |
28 | |
c4a69b87 |
29 | my ($current_schema) = $self->dbh->selectrow_array('SELECT USER FROM DUAL'); |
46065bcb |
30 | |
c4a69b87 |
31 | $self->db_schema([ $current_schema ]) unless $self->db_schema; |
46065bcb |
32 | |
c4a69b87 |
33 | if (@{ $self->db_schema } == 1 && $self->db_schema->[0] ne '%' |
34 | && lc($self->db_schema->[0]) ne lc($current_schema)) { |
35 | $self->dbh->do('ALTER SESSION SET current_schema=' . $self->db_schema->[0]); |
46065bcb |
36 | } |
bc1cb85e |
37 | |
38 | if (not defined $self->preserve_case) { |
39 | $self->preserve_case(0); |
40 | } |
3785bc2e |
41 | elsif ($self->preserve_case) { |
c930f78b |
42 | $self->schema->storage->sql_maker->quote_char('"'); |
43 | $self->schema->storage->sql_maker->name_sep('.'); |
3785bc2e |
44 | } |
d0e184e9 |
45 | } |
46 | |
c4a69b87 |
47 | sub _build_name_sep { '.' } |
48 | |
49 | sub _system_schemas { |
50 | my $self = shift; |
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51 | |
c4a69b87 |
52 | # From http://www.adp-gmbh.ch/ora/misc/known_schemas.html |
53 | |
54 | return ($self->next::method(@_), qw/ANONYMOUS APEX_PUBLIC_USER APEX_030200 APPQOSSYS CTXSYS DBSNMP DIP DMSYS EXFSYS LBACSYS MDDATA MDSYS MGMT_VIEW OLAPSYS ORACLE_OCM ORDDATA ORDPLUGINS ORDSYS OUTLN SI_INFORMTN_SCHEMA SPATIAL_CSW_ADMIN_USR SPATIAL_WFS_ADMIN_USR SYS SYSMAN SYSTEM TRACESRV MTSSYS OASPUBLIC OWBSYS OWBSYS_AUDIT WEBSYS WK_PROXY WKSYS WK_TEST WMSYS XDB OSE$HTTP$ADMIN AURORA$JIS$UTILITY$ AURORA$ORB$UNAUTHENTICATED/, qr/^FLOWS_\d\d\d\d\d\d\z/); |
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55 | } |
56 | |
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57 | sub _system_tables { |
58 | my $self = shift; |
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59 | |
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60 | return ($self->next::method(@_), 'PLAN_TABLE'); |
61 | } |
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62 | |
c4a69b87 |
63 | sub _dbh_tables { |
64 | my ($self, $schema) = @_; |
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65 | |
c4a69b87 |
66 | return $self->dbh->tables(undef, $schema, '%', 'TABLE,VIEW'); |
67 | } |
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68 | |
c4a69b87 |
69 | sub _filter_tables { |
70 | my $self = shift; |
ffb03c96 |
71 | |
c4a69b87 |
72 | # silence a warning from older DBD::Oracles in tests |
ff4b0152 |
73 | local $SIG{__WARN__} = sigwarn_silencer( |
74 | qr/^Field \d+ has an Oracle type \(\d+\) which is not explicitly supported/ |
75 | ); |
128f61d8 |
76 | |
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77 | return $self->next::method(@_); |
e7262300 |
78 | } |
79 | |
a40434df |
80 | sub _table_fk_info { |
81 | my $self = shift; |
82 | my ($table) = @_; |
83 | |
84 | my $rels = $self->next::method(@_); |
85 | |
86 | my $deferrable_sth = $self->dbh->prepare_cached(<<'EOF'); |
87 | select deferrable from all_constraints |
88 | where owner = ? and table_name = ? and constraint_name = ? |
89 | EOF |
90 | |
91 | foreach my $rel (@$rels) { |
92 | # Oracle does not have update rules |
93 | $rel->{attrs}{on_update} = 'NO ACTION';; |
94 | |
95 | # DBD::Oracle's foreign_key_info does not return DEFERRABILITY, so we get it ourselves |
96 | my ($deferrable) = $self->dbh->selectrow_array( |
97 | $deferrable_sth, undef, $table->schema, $table->name, $rel->{_constraint_name} |
98 | ); |
99 | |
100 | $rel->{attrs}{is_deferrable} = $deferrable && $deferrable =~ /^DEFERRABLE/i ? 1 : 0; |
101 | } |
102 | |
103 | return $rels; |
104 | } |
105 | |
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106 | sub _table_uniq_info { |
107 | my ($self, $table) = @_; |
108 | |
c4a69b87 |
109 | my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1); |
5975bbe6 |
110 | SELECT ac.constraint_name, acc.column_name |
111 | FROM all_constraints ac, all_cons_columns acc |
112 | WHERE acc.table_name=? AND acc.owner = ? |
113 | AND ac.table_name = acc.table_name AND ac.owner = acc.owner |
114 | AND acc.constraint_name = ac.constraint_name |
115 | AND ac.constraint_type='U' |
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116 | ORDER BY acc.position |
117 | EOF |
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118 | |
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119 | $sth->execute($table->name, $table->schema); |
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120 | |
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121 | my %constr_names; |
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122 | |
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123 | while(my $constr = $sth->fetchrow_arrayref) { |
f28e7eae |
124 | my $constr_name = $self->_lc($constr->[0]); |
3785bc2e |
125 | my $constr_col = $self->_lc($constr->[1]); |
3785bc2e |
126 | push @{$constr_names{$constr_name}}, $constr_col; |
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127 | } |
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128 | |
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129 | my @uniqs = map { [ $_ => $constr_names{$_} ] } keys %constr_names; |
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130 | return \@uniqs; |
131 | } |
132 | |
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133 | sub _table_comment { |
ea998e8e |
134 | my $self = shift; |
135 | my ($table) = @_; |
136 | |
137 | my $table_comment = $self->next::method(@_); |
138 | |
139 | return $table_comment if $table_comment; |
140 | |
c4a69b87 |
141 | ($table_comment) = $self->dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name); |
142 | SELECT comments FROM all_tab_comments |
3b61a7ca |
143 | WHERE owner = ? |
c4a69b87 |
144 | AND table_name = ? |
145 | AND (table_type = 'TABLE' OR table_type = 'VIEW') |
146 | EOF |
4cd5155b |
147 | |
148 | return $table_comment |
149 | } |
150 | |
151 | sub _column_comment { |
ea998e8e |
152 | my $self = shift; |
153 | my ($table, $column_number, $column_name) = @_; |
154 | |
155 | my $column_comment = $self->next::method(@_); |
156 | |
157 | return $column_comment if $column_comment; |
158 | |
c4a69b87 |
159 | ($column_comment) = $self->dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name, $self->_uc($column_name)); |
160 | SELECT comments FROM all_col_comments |
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161 | WHERE owner = ? |
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162 | AND table_name = ? |
163 | AND column_name = ? |
164 | EOF |
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165 | |
c4a69b87 |
166 | return $column_comment |
65ab592d |
167 | } |
168 | |
169 | sub _columns_info_for { |
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170 | my $self = shift; |
171 | my ($table) = @_; |
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172 | |
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173 | my $result = $self->next::method(@_); |
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174 | |
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175 | local $self->dbh->{LongReadLen} = 1_000_000; |
c4a69b87 |
176 | local $self->dbh->{LongTruncOk} = 1; |
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177 | |
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178 | my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1); |
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179 | SELECT trigger_body |
180 | FROM all_triggers |
181 | WHERE table_name = ? AND table_owner = ? |
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182 | AND upper(trigger_type) LIKE '%BEFORE EACH ROW%' AND lower(triggering_event) LIKE '%insert%' |
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183 | EOF |
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184 | |
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185 | $sth->execute($table->name, $table->schema); |
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186 | |
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187 | while (my ($trigger_body) = $sth->fetchrow_array) { |
188 | if (my ($seq_schema, $seq_name) = $trigger_body =~ /(?:\."?(\w+)"?)?"?(\w+)"?\.nextval/i) { |
189 | if (my ($col_name) = $trigger_body =~ /:new\.(\w+)/i) { |
190 | $col_name = $self->_lc($col_name); |
5cd600fa |
191 | |
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192 | $result->{$col_name}{is_auto_increment} = 1; |
5cd600fa |
193 | |
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194 | $seq_schema = $self->_lc($seq_schema || $table->schema); |
195 | $seq_name = $self->_lc($seq_name); |
5cd600fa |
196 | |
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197 | $result->{$col_name}{sequence} = ($self->qualify_objects ? ($seq_schema . '.') : '') . $seq_name; |
198 | } |
5cd600fa |
199 | } |
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200 | } |
201 | |
202 | while (my ($col, $info) = each %$result) { |
203 | no warnings 'uninitialized'; |
204 | |
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205 | my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1); |
206 | SELECT data_type, data_length |
207 | FROM all_tab_columns |
208 | WHERE column_name = ? AND table_name = ? AND owner = ? |
209 | EOF |
210 | $sth->execute($self->_uc($col), $table->name, $table->schema); |
211 | my ($data_type, $data_length) = $sth->fetchrow_array; |
212 | $sth->finish; |
213 | $data_type = lc $data_type; |
214 | |
215 | if ($data_type =~ /^(?:n(?:var)?char2?|u?rowid|nclob|timestamp\(\d+\)(?: with(?: local)? time zone)?|binary_(?:float|double))\z/i) { |
216 | $info->{data_type} = $data_type; |
217 | |
218 | if ($data_type =~ /^u?rowid\z/i) { |
219 | $info->{size} = $data_length; |
220 | } |
221 | } |
222 | |
760fd65c |
223 | if ($info->{data_type} =~ /^(?:n?[cb]lob|long(?: raw)?|bfile|date|binary_(?:float|double)|rowid)\z/i) { |
224 | delete $info->{size}; |
225 | } |
226 | |
227 | if ($info->{data_type} =~ /^n(?:var)?char2?\z/i) { |
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228 | if (ref $info->{size}) { |
229 | $info->{size} = $info->{size}[0] / 8; |
230 | } |
231 | else { |
232 | $info->{size} = $info->{size} / 2; |
233 | } |
234 | } |
235 | elsif ($info->{data_type} =~ /^(?:var)?char2?\z/i) { |
236 | if (ref $info->{size}) { |
237 | $info->{size} = $info->{size}[0]; |
238 | } |
760fd65c |
239 | } |
1af21646 |
240 | elsif (lc($info->{data_type}) =~ /^(?:number|decimal)\z/i) { |
4ea15dfe |
241 | $info->{original}{data_type} = 'number'; |
242 | $info->{data_type} = 'numeric'; |
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243 | |
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244 | if (try { $info->{size}[0] == 38 && $info->{size}[1] == 0 }) { |
4ea15dfe |
245 | $info->{original}{size} = $info->{size}; |
246 | |
760fd65c |
247 | $info->{data_type} = 'integer'; |
248 | delete $info->{size}; |
249 | } |
250 | } |
251 | elsif (my ($precision) = $info->{data_type} =~ /^timestamp\((\d+)\)(?: with (?:local )?time zone)?\z/i) { |
252 | $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig; |
253 | |
254 | if ($precision == 6) { |
255 | delete $info->{size}; |
256 | } |
257 | else { |
258 | $info->{size} = $precision; |
259 | } |
260 | } |
1af21646 |
261 | elsif ($info->{data_type} =~ /timestamp/i && ref $info->{size} && $info->{size}[0] == 0) { |
262 | my $size = $info->{size}[1]; |
263 | delete $info->{size}; |
264 | $info->{size} = $size unless $size == 6; |
265 | } |
760fd65c |
266 | elsif (($precision) = $info->{data_type} =~ /^interval year\((\d+)\) to month\z/i) { |
267 | $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig; |
268 | |
269 | if ($precision == 2) { |
270 | delete $info->{size}; |
271 | } |
272 | else { |
273 | $info->{size} = $precision; |
274 | } |
275 | } |
276 | elsif (my ($day_precision, $second_precision) = $info->{data_type} =~ /^interval day\((\d+)\) to second\((\d+)\)\z/i) { |
277 | $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig; |
278 | |
279 | if ($day_precision == 2 && $second_precision == 6) { |
280 | delete $info->{size}; |
281 | } |
282 | else { |
283 | $info->{size} = [ $day_precision, $second_precision ]; |
284 | } |
285 | } |
1af21646 |
286 | elsif ($info->{data_type} =~ /^interval year to month\z/i && ref $info->{size}) { |
287 | my $precision = $info->{size}[0]; |
288 | |
289 | if ($precision == 2) { |
290 | delete $info->{size}; |
291 | } |
292 | else { |
293 | $info->{size} = $precision; |
294 | } |
295 | } |
296 | elsif ($info->{data_type} =~ /^interval day to second\z/i && ref $info->{size}) { |
297 | if ($info->{size}[0] == 2 && $info->{size}[1] == 6) { |
298 | delete $info->{size}; |
299 | } |
300 | } |
1c22571b |
301 | elsif (lc($info->{data_type}) eq 'float') { |
302 | $info->{original}{data_type} = 'float'; |
303 | $info->{original}{size} = $info->{size}; |
304 | |
305 | if ($info->{size} <= 63) { |
306 | $info->{data_type} = 'real'; |
307 | } |
308 | else { |
309 | $info->{data_type} = 'double precision'; |
310 | } |
311 | delete $info->{size}; |
312 | } |
1af21646 |
313 | elsif (lc($info->{data_type}) eq 'double precision') { |
314 | $info->{original}{data_type} = 'float'; |
315 | |
316 | my $size = try { $info->{size}[0] }; |
317 | |
318 | $info->{original}{size} = $size; |
319 | |
320 | if ($size <= 63) { |
321 | $info->{data_type} = 'real'; |
322 | } |
323 | delete $info->{size}; |
324 | } |
760fd65c |
325 | elsif (lc($info->{data_type}) eq 'urowid' && $info->{size} == 4000) { |
326 | delete $info->{size}; |
327 | } |
1af21646 |
328 | elsif ($info->{data_type} eq '-9104') { |
329 | $info->{data_type} = 'rowid'; |
330 | delete $info->{size}; |
331 | } |
332 | elsif ($info->{data_type} eq '-2') { |
333 | $info->{data_type} = 'raw'; |
334 | $info->{size} = try { $info->{size}[0] / 2 }; |
335 | } |
3785bc2e |
336 | elsif (lc($info->{data_type}) eq 'date') { |
337 | $info->{data_type} = 'datetime'; |
338 | $info->{original}{data_type} = 'date'; |
339 | } |
1c22571b |
340 | elsif (lc($info->{data_type}) eq 'binary_float') { |
341 | $info->{data_type} = 'real'; |
342 | $info->{original}{data_type} = 'binary_float'; |
3b61a7ca |
343 | } |
1c22571b |
344 | elsif (lc($info->{data_type}) eq 'binary_double') { |
345 | $info->{data_type} = 'double precision'; |
346 | $info->{original}{data_type} = 'binary_double'; |
1af21646 |
347 | } |
348 | |
349 | # DEFAULT could be missed by ::DBI because of ORA-24345 |
350 | if (not defined $info->{default_value}) { |
351 | local $self->dbh->{LongReadLen} = 1_000_000; |
352 | local $self->dbh->{LongTruncOk} = 1; |
353 | my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1); |
354 | SELECT data_default |
355 | FROM all_tab_columns |
356 | WHERE column_name = ? AND table_name = ? AND owner = ? |
357 | EOF |
358 | $sth->execute($self->_uc($col), $table->name, $table->schema); |
359 | my ($default) = $sth->fetchrow_array; |
360 | $sth->finish; |
361 | |
362 | # this is mostly copied from ::DBI::QuotedDefault |
363 | if (defined $default) { |
364 | s/^\s+//, s/\s+\z// for $default; |
365 | |
366 | if ($default =~ /^'(.*?)'\z/) { |
367 | $info->{default_value} = $1; |
368 | } |
369 | elsif ($default =~ /^(-?\d.*?)\z/) { |
370 | $info->{default_value} = $1; |
371 | } |
372 | elsif ($default =~ /^NULL\z/i) { |
373 | my $null = 'null'; |
374 | $info->{default_value} = \$null; |
375 | } |
376 | elsif ($default ne '') { |
377 | my $val = $default; |
378 | $info->{default_value} = \$val; |
379 | } |
380 | } |
381 | } |
760fd65c |
382 | |
1af21646 |
383 | if ((try { lc(${ $info->{default_value} }) }||'') eq 'sysdate') { |
3785bc2e |
384 | my $current_timestamp = 'current_timestamp'; |
385 | $info->{default_value} = \$current_timestamp; |
701cd3e3 |
386 | |
387 | my $sysdate = 'sysdate'; |
388 | $info->{original}{default_value} = \$sysdate; |
760fd65c |
389 | } |
fb328d1a |
390 | } |
391 | |
760fd65c |
392 | return $result; |
fb328d1a |
393 | } |
394 | |
1af21646 |
395 | sub _dbh_column_info { |
396 | my $self = shift; |
397 | my ($dbh) = @_; |
398 | |
399 | # try to avoid ORA-24345 |
400 | local $dbh->{LongReadLen} = 1_000_000; |
401 | local $dbh->{LongTruncOk} = 1; |
402 | |
403 | return $self->next::method(@_); |
404 | } |
405 | |
e7262300 |
406 | =head1 SEE ALSO |
407 | |
408 | L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>, |
409 | L<DBIx::Class::Schema::Loader::DBI> |
410 | |
411 | =head1 AUTHOR |
412 | |
9cc8e7e1 |
413 | See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>. |
e7262300 |
414 | |
be80bba7 |
415 | =head1 LICENSE |
416 | |
417 | This library is free software; you can redistribute it and/or modify it under |
418 | the same terms as Perl itself. |
fb328d1a |
419 | |
e7262300 |
420 | =cut |
421 | |
422 | 1; |
760fd65c |
423 | # vim:et sts=4 sw=4 tw=0: |