use strict;
use warnings;
-use base qw/
- DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault
- DBIx::Class::Schema::Loader::DBI
-/;
-use Carp::Clan qw/^DBIx::Class/;
-use Class::C3;
+use base 'DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault';
+use mro 'c3';
+use Try::Tiny;
+use namespace::clean;
-our $VERSION = '0.06000';
+our $VERSION = '0.07032';
=head1 NAME
-DBIx::Class::Schema::Loader::DBI::Oracle - DBIx::Class::Schema::Loader::DBI
+DBIx::Class::Schema::Loader::DBI::Oracle - DBIx::Class::Schema::Loader::DBI
Oracle Implementation.
-=head1 SYNOPSIS
-
- package My::Schema;
- use base qw/DBIx::Class::Schema::Loader/;
-
- __PACKAGE__->loader_options( debug => 1 );
-
- 1;
-
=head1 DESCRIPTION
-See L<DBIx::Class::Schema::Loader::Base>.
-
-This module is considered experimental and not well tested yet.
+See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>.
=cut
$self->next::method(@_);
- my $dbh = $self->schema->storage->dbh;
+ my ($current_schema) = $self->dbh->selectrow_array('SELECT USER FROM DUAL');
- my ($current_schema) = $dbh->selectrow_array('SELECT USER FROM DUAL', {});
+ $self->db_schema([ $current_schema ]) unless $self->db_schema;
- $self->{db_schema} ||= $current_schema;
+ if (@{ $self->db_schema } == 1 && $self->db_schema->[0] ne '%'
+ && lc($self->db_schema->[0]) ne lc($current_schema)) {
+ $self->dbh->do('ALTER SESSION SET current_schema=' . $self->db_schema->[0]);
+ }
- if (lc($self->db_schema) ne lc($current_schema)) {
- $dbh->do('ALTER SESSION SET current_schema=' . $self->db_schema);
+ if (not defined $self->preserve_case) {
+ $self->preserve_case(0);
+ }
+ elsif ($self->preserve_case) {
+ $self->schema->storage->sql_maker->quote_char('"');
+ $self->schema->storage->sql_maker->name_sep('.');
}
}
-sub _table_as_sql {
- my ($self, $table) = @_;
+sub _build_name_sep { '.' }
+
+sub _system_schemas {
+ my $self = shift;
+
+ # From http://www.adp-gmbh.ch/ora/misc/known_schemas.html
+
+ return ($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/);
+}
+
+sub _system_tables {
+ my $self = shift;
- return $self->_quote_table_name($table);
+ return ($self->next::method(@_), 'PLAN_TABLE');
}
-sub _tables_list {
- my ($self, $opts) = @_;
+sub _dbh_tables {
+ my ($self, $schema) = @_;
- my $dbh = $self->schema->storage->dbh;
+ return $self->dbh->tables(undef, $schema, '%', 'TABLE,VIEW');
+}
+
+sub _filter_tables {
+ my $self = shift;
+
+ # silence a warning from older DBD::Oracles in tests
+ my $warn_handler = $SIG{__WARN__} || sub { warn @_ };
+ local $SIG{__WARN__} = sub {
+ $warn_handler->(@_)
+ unless $_[0] =~ /^Field \d+ has an Oracle type \(\d+\) which is not explicitly supported/;
+ };
- my @tables;
- for my $table ( $dbh->tables(undef, $self->db_schema, '%', 'TABLE,VIEW') ) { #catalog, schema, table, type
- my $quoter = $dbh->get_info(29);
- $table =~ s/$quoter//g;
+ return $self->next::method(@_);
+}
+
+sub _table_fk_info {
+ my $self = shift;
+ my ($table) = @_;
- # remove "user." (schema) prefixes
- $table =~ s/\w+\.//;
+ my $rels = $self->next::method(@_);
- next if $table eq 'PLAN_TABLE';
- $table = lc $table;
- push @tables, $1
- if $table =~ /\A(\w+)\z/;
+ my $deferrable_sth = $self->dbh->prepare_cached(<<'EOF');
+select deferrable from all_constraints
+where owner = ? and table_name = ? and constraint_name = ?
+EOF
+
+ foreach my $rel (@$rels) {
+ # Oracle does not have update rules
+ $rel->{attrs}{on_update} = 'NO ACTION';;
+
+ # DBD::Oracle's foreign_key_info does not return DEFERRABILITY, so we get it ourselves
+ my ($deferrable) = $self->dbh->selectrow_array(
+ $deferrable_sth, undef, $table->schema, $table->name, $rel->{_constraint_name}
+ );
+
+ $rel->{attrs}{is_deferrable} = $deferrable && $deferrable =~ /^DEFERRABLE/i ? 1 : 0;
}
- return $self->_filter_tables(\@tables, $opts);
+ return $rels;
}
sub _table_uniq_info {
my ($self, $table) = @_;
- my $dbh = $self->schema->storage->dbh;
+ my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1);
+SELECT ac.constraint_name, acc.column_name
+FROM all_constraints ac, all_cons_columns acc
+WHERE acc.table_name=? AND acc.owner = ?
+ AND ac.table_name = acc.table_name AND ac.owner = acc.owner
+ AND acc.constraint_name = ac.constraint_name
+ AND ac.constraint_type='U'
+ORDER BY acc.position
+EOF
- my $sth = $dbh->prepare_cached(
- q{
- SELECT constraint_name, acc.column_name
- FROM all_constraints JOIN all_cons_columns acc USING (constraint_name)
- WHERE acc.table_name=? and acc.owner = ? AND constraint_type='U'
- ORDER BY acc.position
- },
- {}, 1);
+ $sth->execute($table->name, $table->schema);
- $sth->execute(uc $table,$self->{db_schema} );
my %constr_names;
+
while(my $constr = $sth->fetchrow_arrayref) {
- my $constr_name = lc $constr->[0];
- my $constr_def = lc $constr->[1];
- $constr_name =~ s/\Q$self->{_quoter}\E//;
- $constr_def =~ s/\Q$self->{_quoter}\E//;
- push @{$constr_names{$constr_name}}, $constr_def;
+ my $constr_name = $self->_lc($constr->[0]);
+ my $constr_col = $self->_lc($constr->[1]);
+ push @{$constr_names{$constr_name}}, $constr_col;
}
-
+
my @uniqs = map { [ $_ => $constr_names{$_} ] } keys %constr_names;
return \@uniqs;
}
-sub _table_pk_info {
- my ($self, $table) = @_;
- return $self->next::method(uc $table);
+sub _table_comment {
+ my $self = shift;
+ my ($table) = @_;
+
+ my $table_comment = $self->next::method(@_);
+
+ return $table_comment if $table_comment;
+
+ ($table_comment) = $self->dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name);
+SELECT comments FROM all_tab_comments
+WHERE owner = ?
+ AND table_name = ?
+ AND (table_type = 'TABLE' OR table_type = 'VIEW')
+EOF
+
+ return $table_comment
}
-sub _table_fk_info {
- my ($self, $table) = @_;
+sub _column_comment {
+ my $self = shift;
+ my ($table, $column_number, $column_name) = @_;
- my $rels = $self->next::method(uc $table);
+ my $column_comment = $self->next::method(@_);
- foreach my $rel (@$rels) {
- $rel->{remote_table} = lc $rel->{remote_table};
- }
+ return $column_comment if $column_comment;
- return $rels;
+ ($column_comment) = $self->dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name, $self->_uc($column_name));
+SELECT comments FROM all_col_comments
+WHERE owner = ?
+ AND table_name = ?
+ AND column_name = ?
+EOF
+
+ return $column_comment
}
sub _columns_info_for {
- my ($self, $table) = @_;
- return $self->next::method(uc $table);
-}
+ my $self = shift;
+ my ($table) = @_;
+
+ my $result = $self->next::method(@_);
+
+ local $self->dbh->{LongReadLen} = 1_000_000;
+ local $self->dbh->{LongTruncOk} = 1;
+
+ my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1);
+SELECT trigger_body
+FROM all_triggers
+WHERE table_name = ? AND table_owner = ?
+AND upper(trigger_type) LIKE '%BEFORE EACH ROW%' AND lower(triggering_event) LIKE '%insert%'
+EOF
+
+ $sth->execute($table->name, $table->schema);
+
+ while (my ($trigger_body) = $sth->fetchrow_array) {
+ if (my ($seq_schema, $seq_name) = $trigger_body =~ /(?:\."?(\w+)"?)?"?(\w+)"?\.nextval/i) {
+ if (my ($col_name) = $trigger_body =~ /:new\.(\w+)/i) {
+ $col_name = $self->_lc($col_name);
+
+ $result->{$col_name}{is_auto_increment} = 1;
-sub _extra_column_info {
- my ($self, $table, $column, $info, $dbi_info) = @_;
- my %extra_info;
-
- my $dbh = $self->schema->storage->dbh;
- my $sth = $dbh->prepare_cached(
- q{
- SELECT COUNT(*)
- FROM all_triggers ut JOIN all_trigger_cols atc USING (trigger_name)
- WHERE atc.table_name = ? AND atc.column_name = ?
- AND column_usage LIKE '%NEW%' AND column_usage LIKE '%OUT%'
- AND trigger_type = 'BEFORE EACH ROW' AND triggering_event LIKE '%INSERT%'
- },
- {}, 1);
-
- $sth->execute($table, $column);
- if ($sth->fetchrow_array) {
- $extra_info{is_auto_increment} = 1;
+ $seq_schema = $self->_lc($seq_schema || $table->schema);
+ $seq_name = $self->_lc($seq_name);
+
+ $result->{$col_name}{sequence} = ($self->qualify_objects ? ($seq_schema . '.') : '') . $seq_name;
+ }
+ }
+ }
+
+ while (my ($col, $info) = each %$result) {
+ no warnings 'uninitialized';
+
+ my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1);
+SELECT data_type, data_length
+FROM all_tab_columns
+WHERE column_name = ? AND table_name = ? AND owner = ?
+EOF
+ $sth->execute($self->_uc($col), $table->name, $table->schema);
+ my ($data_type, $data_length) = $sth->fetchrow_array;
+ $sth->finish;
+ $data_type = lc $data_type;
+
+ if ($data_type =~ /^(?:n(?:var)?char2?|u?rowid|nclob|timestamp\(\d+\)(?: with(?: local)? time zone)?|binary_(?:float|double))\z/i) {
+ $info->{data_type} = $data_type;
+
+ if ($data_type =~ /^u?rowid\z/i) {
+ $info->{size} = $data_length;
+ }
+ }
+
+ if ($info->{data_type} =~ /^(?:n?[cb]lob|long(?: raw)?|bfile|date|binary_(?:float|double)|rowid)\z/i) {
+ delete $info->{size};
+ }
+
+ if ($info->{data_type} =~ /^n(?:var)?char2?\z/i) {
+ if (ref $info->{size}) {
+ $info->{size} = $info->{size}[0] / 8;
+ }
+ else {
+ $info->{size} = $info->{size} / 2;
+ }
+ }
+ elsif ($info->{data_type} =~ /^(?:var)?char2?\z/i) {
+ if (ref $info->{size}) {
+ $info->{size} = $info->{size}[0];
+ }
+ }
+ elsif (lc($info->{data_type}) =~ /^(?:number|decimal)\z/i) {
+ $info->{original}{data_type} = 'number';
+ $info->{data_type} = 'numeric';
+
+ if (try { $info->{size}[0] == 38 && $info->{size}[1] == 0 }) {
+ $info->{original}{size} = $info->{size};
+
+ $info->{data_type} = 'integer';
+ delete $info->{size};
+ }
+ }
+ elsif (my ($precision) = $info->{data_type} =~ /^timestamp\((\d+)\)(?: with (?:local )?time zone)?\z/i) {
+ $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig;
+
+ if ($precision == 6) {
+ delete $info->{size};
+ }
+ else {
+ $info->{size} = $precision;
+ }
+ }
+ elsif ($info->{data_type} =~ /timestamp/i && ref $info->{size} && $info->{size}[0] == 0) {
+ my $size = $info->{size}[1];
+ delete $info->{size};
+ $info->{size} = $size unless $size == 6;
+ }
+ elsif (($precision) = $info->{data_type} =~ /^interval year\((\d+)\) to month\z/i) {
+ $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig;
+
+ if ($precision == 2) {
+ delete $info->{size};
+ }
+ else {
+ $info->{size} = $precision;
+ }
+ }
+ elsif (my ($day_precision, $second_precision) = $info->{data_type} =~ /^interval day\((\d+)\) to second\((\d+)\)\z/i) {
+ $info->{data_type} = join ' ', $info->{data_type} =~ /[a-z]+/ig;
+
+ if ($day_precision == 2 && $second_precision == 6) {
+ delete $info->{size};
+ }
+ else {
+ $info->{size} = [ $day_precision, $second_precision ];
+ }
+ }
+ elsif ($info->{data_type} =~ /^interval year to month\z/i && ref $info->{size}) {
+ my $precision = $info->{size}[0];
+
+ if ($precision == 2) {
+ delete $info->{size};
+ }
+ else {
+ $info->{size} = $precision;
+ }
+ }
+ elsif ($info->{data_type} =~ /^interval day to second\z/i && ref $info->{size}) {
+ if ($info->{size}[0] == 2 && $info->{size}[1] == 6) {
+ delete $info->{size};
+ }
+ }
+ elsif (lc($info->{data_type}) eq 'float') {
+ $info->{original}{data_type} = 'float';
+ $info->{original}{size} = $info->{size};
+
+ if ($info->{size} <= 63) {
+ $info->{data_type} = 'real';
+ }
+ else {
+ $info->{data_type} = 'double precision';
+ }
+ delete $info->{size};
+ }
+ elsif (lc($info->{data_type}) eq 'double precision') {
+ $info->{original}{data_type} = 'float';
+
+ my $size = try { $info->{size}[0] };
+
+ $info->{original}{size} = $size;
+
+ if ($size <= 63) {
+ $info->{data_type} = 'real';
+ }
+ delete $info->{size};
+ }
+ elsif (lc($info->{data_type}) eq 'urowid' && $info->{size} == 4000) {
+ delete $info->{size};
+ }
+ elsif ($info->{data_type} eq '-9104') {
+ $info->{data_type} = 'rowid';
+ delete $info->{size};
+ }
+ elsif ($info->{data_type} eq '-2') {
+ $info->{data_type} = 'raw';
+ $info->{size} = try { $info->{size}[0] / 2 };
+ }
+ elsif (lc($info->{data_type}) eq 'date') {
+ $info->{data_type} = 'datetime';
+ $info->{original}{data_type} = 'date';
+ }
+ elsif (lc($info->{data_type}) eq 'binary_float') {
+ $info->{data_type} = 'real';
+ $info->{original}{data_type} = 'binary_float';
+ }
+ elsif (lc($info->{data_type}) eq 'binary_double') {
+ $info->{data_type} = 'double precision';
+ $info->{original}{data_type} = 'binary_double';
+ }
+
+ # DEFAULT could be missed by ::DBI because of ORA-24345
+ if (not defined $info->{default_value}) {
+ local $self->dbh->{LongReadLen} = 1_000_000;
+ local $self->dbh->{LongTruncOk} = 1;
+ my $sth = $self->dbh->prepare_cached(<<'EOF', {}, 1);
+SELECT data_default
+FROM all_tab_columns
+WHERE column_name = ? AND table_name = ? AND owner = ?
+EOF
+ $sth->execute($self->_uc($col), $table->name, $table->schema);
+ my ($default) = $sth->fetchrow_array;
+ $sth->finish;
+
+ # this is mostly copied from ::DBI::QuotedDefault
+ if (defined $default) {
+ s/^\s+//, s/\s+\z// for $default;
+
+ if ($default =~ /^'(.*?)'\z/) {
+ $info->{default_value} = $1;
+ }
+ elsif ($default =~ /^(-?\d.*?)\z/) {
+ $info->{default_value} = $1;
+ }
+ elsif ($default =~ /^NULL\z/i) {
+ my $null = 'null';
+ $info->{default_value} = \$null;
+ }
+ elsif ($default ne '') {
+ my $val = $default;
+ $info->{default_value} = \$val;
+ }
+ }
+ }
+
+ if ((try { lc(${ $info->{default_value} }) }||'') eq 'sysdate') {
+ my $current_timestamp = 'current_timestamp';
+ $info->{default_value} = \$current_timestamp;
+
+ my $sysdate = 'sysdate';
+ $info->{original}{default_value} = \$sysdate;
+ }
}
- return \%extra_info;
+ return $result;
+}
+
+sub _dbh_column_info {
+ my $self = shift;
+ my ($dbh) = @_;
+
+ # try to avoid ORA-24345
+ local $dbh->{LongReadLen} = 1_000_000;
+ local $dbh->{LongTruncOk} = 1;
+
+ return $self->next::method(@_);
}
=head1 SEE ALSO
=cut
1;
+# vim:et sts=4 sw=4 tw=0: