1 package DBIx::Class::Schema::Loader::DBI::Oracle;
5 use base 'DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault';
8 use DBIx::Class::Schema::Loader::Utils qw/sigwarn_silencer/;
11 our $VERSION = '0.07042';
15 DBIx::Class::Schema::Loader::DBI::Oracle - DBIx::Class::Schema::Loader::DBI
16 Oracle Implementation.
20 See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>.
27 $self->next::method(@_);
29 my ($current_schema) = $self->dbh->selectrow_array('SELECT USER FROM DUAL');
31 $self->db_schema([ $current_schema ]) unless $self->db_schema;
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]);
38 if (not defined $self->preserve_case) {
39 $self->preserve_case(0);
41 elsif ($self->preserve_case) {
42 $self->schema->storage->sql_maker->quote_char('"');
43 $self->schema->storage->sql_maker->name_sep('.');
47 sub _build_name_sep { '.' }
52 # From http://www.adp-gmbh.ch/ora/misc/known_schemas.html
54 return ($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/);
60 return ($self->next::method(@_), 'PLAN_TABLE');
64 my ($self, $schema) = @_;
66 return $self->dbh->tables(undef, $schema, '%', 'TABLE,VIEW');
72 # silence a warning from older DBD::Oracles in tests
73 local $SIG{__WARN__} = sigwarn_silencer(
74 qr/^Field \d+ has an Oracle type \(\d+\) which is not explicitly supported/
77 return $self->next::method(@_);
84 my $rels = $self->next::method(@_);
86 my $deferrable_sth = $self->dbh->prepare_cached(<<'EOF');
87 select deferrable from all_constraints
88 where owner = ? and table_name = ? and constraint_name = ? and status = 'ENABLED'
91 foreach my $rel (@$rels) {
92 # Oracle does not have update rules
93 $rel->{attrs}{on_update} = 'NO ACTION';;
95 # DBD::Oracle's foreign_key_info does not return DEFERRABILITY, so we get it ourselves
96 my ($deferrable) = $self->dbh->selectrow_array(
97 $deferrable_sth, undef, $table->schema, $table->name, $rel->{_constraint_name}
100 $rel->{attrs}{is_deferrable} = $deferrable && $deferrable =~ /^DEFERRABLE/i ? 1 : 0;
106 sub _table_uniq_info {
107 my ($self, $table) = @_;
109 my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1);
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'
116 AND ac.status = 'ENABLED'
117 ORDER BY acc.position
120 $sth->execute($table->name, $table->schema);
124 while(my $constr = $sth->fetchrow_arrayref) {
125 my $constr_name = $self->_lc($constr->[0]);
126 my $constr_col = $self->_lc($constr->[1]);
127 push @{$constr_names{$constr_name}}, $constr_col;
130 return [ map { [ $_ => $constr_names{$_} ] } sort keys %constr_names ];
137 my $table_comment = $self->next::method(@_);
139 return $table_comment if $table_comment;
141 ($table_comment) = $self->dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name);
142 SELECT comments FROM all_tab_comments
145 AND (table_type = 'TABLE' OR table_type = 'VIEW')
148 return $table_comment
151 sub _column_comment {
153 my ($table, $column_number, $column_name) = @_;
155 my $column_comment = $self->next::method(@_);
157 return $column_comment if $column_comment;
159 ($column_comment) = $self->dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name, $self->_uc($column_name));
160 SELECT comments FROM all_col_comments
166 return $column_comment
169 sub _columns_info_for {
173 my $result = $self->next::method(@_);
175 local $self->dbh->{LongReadLen} = 1_000_000;
176 local $self->dbh->{LongTruncOk} = 1;
178 my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1);
181 WHERE table_name = ? AND table_owner = ? AND status = 'ENABLED'
182 AND upper(trigger_type) LIKE '%BEFORE EACH ROW%' AND lower(triggering_event) LIKE '%insert%'
185 $sth->execute($table->name, $table->schema);
187 while (my ($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);
192 $result->{$col_name}{is_auto_increment} = 1;
194 $seq_schema = $self->_lc($seq_schema || $table->schema);
195 $seq_name = $self->_lc($seq_name);
197 $result->{$col_name}{sequence} = ($self->qualify_objects ? ($seq_schema . '.') : '') . $seq_name;
202 # Old DBD::Oracle report the size in (UTF-16) bytes, not characters
203 my $nchar_size_factor = $DBD::Oracle::VERSION >= 1.52 ? 1 : 2;
205 while (my ($col, $info) = each %$result) {
206 no warnings 'uninitialized';
208 my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1);
209 SELECT data_type, data_length
211 WHERE column_name = ? AND table_name = ? AND owner = ?
213 $sth->execute($self->_uc($col), $table->name, $table->schema);
214 my ($data_type, $data_length) = $sth->fetchrow_array;
216 $data_type = lc $data_type;
218 if ($data_type =~ /^(?:n(?:var)?char2?|u?rowid|nclob|timestamp\(\d+\)(?: with(?: local)? time zone)?|binary_(?:float|double))\z/i) {
219 $info->{data_type} = $data_type;
221 if ($data_type =~ /^u?rowid\z/i) {
222 $info->{size} = $data_length;
226 if ($info->{data_type} =~ /^(?:n?[cb]lob|long(?: raw)?|bfile|date|binary_(?:float|double)|rowid)\z/i) {
227 delete $info->{size};
230 if ($info->{data_type} =~ /^n(?:var)?char2?\z/i) {
231 if (ref $info->{size}) {
232 $info->{size} = $info->{size}[0] / 8;
235 $info->{size} = $info->{size} / $nchar_size_factor;
238 elsif ($info->{data_type} =~ /^(?:var)?char2?\z/i) {
239 if (ref $info->{size}) {
240 $info->{size} = $info->{size}[0];
243 elsif (lc($info->{data_type}) =~ /^(?:number|decimal)\z/i) {
244 $info->{original}{data_type} = 'number';
245 $info->{data_type} = 'numeric';
247 if (try { $info->{size}[0] == 38 && $info->{size}[1] == 0 }) {
248 $info->{original}{size} = $info->{size};
250 $info->{data_type} = 'integer';
251 delete $info->{size};
254 elsif (my ($precision) = $info->{data_type} =~ /^timestamp\((\d+)\)(?: with (?:local )?time zone)?\z/i) {
255 $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig;
257 if ($precision == 6) {
258 delete $info->{size};
261 $info->{size} = $precision;
264 elsif ($info->{data_type} =~ /timestamp/i && ref $info->{size} && $info->{size}[0] == 0) {
265 my $size = $info->{size}[1];
266 delete $info->{size};
267 $info->{size} = $size unless $size == 6;
269 elsif (($precision) = $info->{data_type} =~ /^interval year\((\d+)\) to month\z/i) {
270 $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig;
272 if ($precision == 2) {
273 delete $info->{size};
276 $info->{size} = $precision;
279 elsif (my ($day_precision, $second_precision) = $info->{data_type} =~ /^interval day\((\d+)\) to second\((\d+)\)\z/i) {
280 $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig;
282 if ($day_precision == 2 && $second_precision == 6) {
283 delete $info->{size};
286 $info->{size} = [ $day_precision, $second_precision ];
289 elsif ($info->{data_type} =~ /^interval year to month\z/i && ref $info->{size}) {
290 my $precision = $info->{size}[0];
292 if ($precision == 2) {
293 delete $info->{size};
296 $info->{size} = $precision;
299 elsif ($info->{data_type} =~ /^interval day to second\z/i && ref $info->{size}) {
300 if ($info->{size}[0] == 2 && $info->{size}[1] == 6) {
301 delete $info->{size};
304 elsif (lc($info->{data_type}) eq 'float') {
305 $info->{original}{data_type} = 'float';
306 $info->{original}{size} = $info->{size};
308 if ($info->{size} <= 63) {
309 $info->{data_type} = 'real';
312 $info->{data_type} = 'double precision';
314 delete $info->{size};
316 elsif (lc($info->{data_type}) eq 'double precision') {
317 $info->{original}{data_type} = 'float';
319 my $size = try { $info->{size}[0] };
321 $info->{original}{size} = $size;
324 $info->{data_type} = 'real';
326 delete $info->{size};
328 elsif (lc($info->{data_type}) eq 'urowid' && $info->{size} == 4000) {
329 delete $info->{size};
331 elsif ($info->{data_type} eq '-9104') {
332 $info->{data_type} = 'rowid';
333 delete $info->{size};
335 elsif ($info->{data_type} eq '-2') {
336 $info->{data_type} = 'raw';
337 $info->{size} = try { $info->{size}[0] / 2 };
339 elsif (lc($info->{data_type}) eq 'date') {
340 $info->{data_type} = 'datetime';
341 $info->{original}{data_type} = 'date';
343 elsif (lc($info->{data_type}) eq 'binary_float') {
344 $info->{data_type} = 'real';
345 $info->{original}{data_type} = 'binary_float';
347 elsif (lc($info->{data_type}) eq 'binary_double') {
348 $info->{data_type} = 'double precision';
349 $info->{original}{data_type} = 'binary_double';
352 # DEFAULT could be missed by ::DBI because of ORA-24345
353 if (not defined $info->{default_value}) {
354 local $self->dbh->{LongReadLen} = 1_000_000;
355 local $self->dbh->{LongTruncOk} = 1;
356 my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1);
359 WHERE column_name = ? AND table_name = ? AND owner = ?
361 $sth->execute($self->_uc($col), $table->name, $table->schema);
362 my ($default) = $sth->fetchrow_array;
365 # this is mostly copied from ::DBI::QuotedDefault
366 if (defined $default) {
367 s/^\s+//, s/\s+\z// for $default;
369 if ($default =~ /^'(.*?)'\z/) {
370 $info->{default_value} = $1;
372 elsif ($default =~ /^(-?\d.*?)\z/) {
373 $info->{default_value} = $1;
375 elsif ($default =~ /^NULL\z/i) {
377 $info->{default_value} = \$null;
379 elsif ($default ne '') {
381 $info->{default_value} = \$val;
386 if ((try { lc(${ $info->{default_value} }) }||'') eq 'sysdate') {
387 my $current_timestamp = 'current_timestamp';
388 $info->{default_value} = \$current_timestamp;
390 my $sysdate = 'sysdate';
391 $info->{original}{default_value} = \$sysdate;
398 sub _dbh_column_info {
402 # try to avoid ORA-24345
403 local $dbh->{LongReadLen} = 1_000_000;
404 local $dbh->{LongTruncOk} = 1;
406 return $self->next::method(@_);
411 L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
412 L<DBIx::Class::Schema::Loader::DBI>
416 See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
420 This library is free software; you can redistribute it and/or modify it under
421 the same terms as Perl itself.
426 # vim:et sts=4 sw=4 tw=0: