DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault
DBIx::Class::Schema::Loader::DBI
/;
-use Carp::Clan qw/^DBIx::Class/;
use mro 'c3';
-our $VERSION = '0.07002';
+use List::Util 'any';
+use namespace::clean;
-=head1 NAME
-
-DBIx::Class::Schema::Loader::DBI::DB2 - DBIx::Class::Schema::Loader::DBI DB2 Implementation.
+use DBIx::Class::Schema::Loader::Table ();
-=head1 SYNOPSIS
+our $VERSION = '0.07047';
- package My::Schema;
- use base qw/DBIx::Class::Schema::Loader/;
-
- __PACKAGE__->loader_options( db_schema => "MYSCHEMA" );
+=head1 NAME
- 1;
+DBIx::Class::Schema::Loader::DBI::DB2 - DBIx::Class::Schema::Loader::DBI DB2 Implementation.
=head1 DESCRIPTION
-See L<DBIx::Class::Schema::Loader::Base>.
+See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>.
=cut
+sub _system_schemas {
+ my $self = shift;
+
+ return ($self->next::method(@_), qw/
+ SYSCAT SYSIBM SYSIBMADM SYSPUBLIC SYSSTAT SYSTOOLS
+ /);
+}
+
sub _setup {
my $self = shift;
$self->next::method(@_);
- my $dbh = $self->schema->storage->dbh;
- $self->{db_schema} ||= $dbh->selectrow_array('VALUES(CURRENT_USER)', {});
+ my $ns = $self->name_sep;
+
+ $self->db_schema([ $self->dbh->selectrow_array(<<"EOF", {}) ]) unless $self->db_schema;
+SELECT CURRENT_SCHEMA FROM sysibm${ns}sysdummy1
+EOF
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('.');
+ $self->schema->storage->sql_maker->name_sep($ns);
}
}
my @uniqs;
- my $dbh = $self->schema->storage->dbh;
-
- my $sth = $self->{_cache}->{db2_uniq} ||= $dbh->prepare(
- q{SELECT kcu.COLNAME, kcu.CONSTNAME, kcu.COLSEQ
- FROM SYSCAT.TABCONST as tc
- JOIN SYSCAT.KEYCOLUSE as kcu
- ON tc.CONSTNAME = kcu.CONSTNAME AND tc.TABSCHEMA = kcu.TABSCHEMA
- WHERE tc.TABSCHEMA = ? and tc.TABNAME = ? and tc.TYPE = 'U'}
- ) or die $DBI::errstr;
+ my $sth = $self->{_cache}->{db2_uniq} ||= $self->dbh->prepare(<<'EOF');
+SELECT kcu.colname, kcu.constname, kcu.colseq
+FROM syscat.tabconst as tc
+JOIN syscat.keycoluse as kcu
+ ON tc.constname = kcu.constname
+ AND tc.tabschema = kcu.tabschema
+ AND tc.tabname = kcu.tabname
+WHERE tc.tabschema = ? and tc.tabname = ? and tc.type = 'U'
+EOF
- $sth->execute($self->db_schema, $self->_uc($table)) or die $DBI::errstr;
+ $sth->execute($table->schema, $table->name);
my %keydata;
while(my $row = $sth->fetchrow_arrayref) {
my ($col, $constname, $seq) = @$row;
push(@{$keydata{$constname}}, [ $seq, $self->_lc($col) ]);
}
- foreach my $keyname (keys %keydata) {
+ foreach my $keyname (sort keys %keydata) {
my @ordered_cols = map { $_->[1] } sort { $a->[0] <=> $b->[0] }
@{$keydata{$keyname}};
push(@uniqs, [ $keyname => \@ordered_cols ]);
}
$sth->finish;
-
+
return \@uniqs;
}
-# DBD::DB2 doesn't follow the DBI API for ->tables
-sub _tables_list {
- my ($self, $opts) = @_;
-
- my $dbh = $self->schema->storage->dbh;
- my @tables = map $self->_lc($_), $dbh->tables(
- $self->db_schema ? { TABLE_SCHEM => $self->db_schema } : undef
+sub _table_fk_info {
+ my ($self, $table) = @_;
+
+ my $sth = $self->{_cache}->{db2_fk} ||= $self->dbh->prepare(<<'EOF');
+SELECT tc.constname, sr.reftabschema, sr.reftabname,
+ kcu.colname, rkcu.colname, kcu.colseq,
+ sr.deleterule, sr.updaterule
+FROM syscat.tabconst tc
+JOIN syscat.keycoluse kcu
+ ON tc.constname = kcu.constname
+ AND tc.tabschema = kcu.tabschema
+ AND tc.tabname = kcu.tabname
+JOIN syscat.references sr
+ ON tc.constname = sr.constname
+ AND tc.tabschema = sr.tabschema
+ AND tc.tabname = sr.tabname
+JOIN syscat.keycoluse rkcu
+ ON sr.refkeyname = rkcu.constname
+ AND sr.reftabschema = rkcu.tabschema
+ AND sr.reftabname = rkcu.tabname
+ AND kcu.colseq = rkcu.colseq
+WHERE tc.tabschema = ?
+ AND tc.tabname = ?
+ AND tc.type = 'F';
+EOF
+ $sth->execute($table->schema, $table->name);
+
+ my %rels;
+
+ my %rules = (
+ A => 'NO ACTION',
+ C => 'CASCADE',
+ N => 'SET NULL',
+ R => 'RESTRICT',
);
- s/\Q$self->{_quoter}\E//g for @tables;
- s/^.*\Q$self->{_namesep}\E// for @tables;
- return $self->_filter_tables(\@tables, $opts);
-}
+ COLS: while (my @row = $sth->fetchrow_array) {
+ my ($fk, $remote_schema, $remote_table, $local_col, $remote_col,
+ $colseq, $delete_rule, $update_rule) = @row;
-sub _table_pk_info {
- my ($self, $table) = @_;
- return $self->next::method($self->_uc($table));
-}
+ if (not exists $rels{$fk}) {
+ if ($self->db_schema && $self->db_schema->[0] ne '%'
+ && (not any { $_ eq $remote_schema } @{ $self->db_schema })) {
-sub _table_fk_info {
- my ($self, $table) = @_;
+ next COLS;
+ }
- my $rels = $self->next::method($self->_uc($table));
+ $rels{$fk}{remote_table} = DBIx::Class::Schema::Loader::Table->new(
+ loader => $self,
+ name => $remote_table,
+ schema => $remote_schema,
+ );
+ }
- foreach my $rel (@$rels) {
- $rel->{remote_table} = $self->_lc($rel->{remote_table});
+ $rels{$fk}{local_columns}[$colseq-1] = $self->_lc($local_col);
+ $rels{$fk}{remote_columns}[$colseq-1] = $self->_lc($remote_col);
+
+ $rels{$fk}{attrs} ||= {
+ on_delete => $rules{$delete_rule},
+ on_update => $rules{$update_rule},
+ is_deferrable => 1, # DB2 has no deferrable constraints
+ };
}
- return $rels;
+ return [ values %rels ];
+}
+
+
+# DBD::DB2 doesn't follow the DBI API for ->tables (pre 1.85), but since its
+# backwards compatible we don't change it.
+# DBD::DB2 1.85 and beyond default TABLE_NAME to '', previously defaulted to
+# '%'. so we supply it.
+sub _dbh_tables {
+ my ($self, $schema) = @_;
+
+ return $self->dbh->tables($schema ? { TABLE_SCHEM => $schema, TABLE_NAME => '%' } : undef);
+}
+
+sub _dbh_table_info {
+ my $self = shift;
+
+ local $^W = 0; # shut up undef warning from DBD::DB2
+
+ $self->next::method(@_);
}
sub _columns_info_for {
my $self = shift;
my ($table) = @_;
- my $result = $self->next::method($self->_uc($table));
-
- my $dbh = $self->schema->storage->dbh;
+ my $result = $self->next::method(@_);
while (my ($col, $info) = each %$result) {
# check for identities
- my $sth = $dbh->prepare_cached(
+ my $sth = $self->dbh->prepare_cached(
q{
SELECT COUNT(*)
FROM syscat.columns
AND identity = 'Y' AND generated != ''
},
{}, 1);
- $sth->execute($self->db_schema, $self->_uc($table), $self->_uc($col));
+ $sth->execute($table->schema, $table->name, $self->_uc($col));
if ($sth->fetchrow_array) {
$info->{is_auto_increment} = 1;
}
$info->{data_type} = 'varbinary';
}
- my ($size) = $dbh->selectrow_array(<<'EOF', {}, $self->db_schema, $self->_uc($table), $self->_uc($col));
+ my ($size) = $self->dbh->selectrow_array(<<'EOF', {}, $table->schema, $table->name, $self->_uc($col));
SELECT length
FROM syscat.columns
WHERE tabschema = ? AND tabname = ? AND colname = ?
L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
L<DBIx::Class::Schema::Loader::DBI>
-=head1 AUTHOR
+=head1 AUTHORS
-See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
+See L<DBIx::Class::Schema::Loader/AUTHORS>.
=head1 LICENSE
projects / dbsrgits/DBIx-Class-Schema-Loader.git / blobdiff