use strict;
use warnings;
-use base qw/DBIx::Class::Storage::DBI::MultiColumnIn/;
-use mro 'c3';
+use base qw/DBIx::Class::Storage::DBI/;
-use DBD::Pg qw(:pg_types);
use Scope::Guard ();
-use Context::Preserve ();
-
-# Ask for a DBD::Pg with array support
-warn __PACKAGE__.": DBD::Pg 2.9.2 or greater is strongly recommended\n"
- if ($DBD::Pg::VERSION < 2.009002); # pg uses (used?) version::qv()
-
-__PACKAGE__->mk_group_accessors(simple => qw/
- _auto_cols
-/);
-
-sub _prep_for_execute {
- my $self = shift;
- my ($op, $extra_bind, $ident, $args) = @_;
-
- if ($op eq 'insert') {
- $self->_auto_cols([]);
-
- my %pk;
- @pk{$ident->primary_columns} = ();
-
- my @auto_inc_cols = grep {
- my $inserting = $args->[0]{$_};
-
- ($ident->column_info($_)->{is_auto_increment}
- || exists $pk{$_})
- && (
- (not defined $inserting)
- ||
- (ref $inserting eq 'SCALAR' && $$inserting =~ /^null\z/i)
- )
- } $ident->columns;
-
- if (@auto_inc_cols) {
- $args->[1]{returning} = \@auto_inc_cols;
-
- $self->_auto_cols->[0] = \@auto_inc_cols;
- }
- }
-
- return $self->next::method(@_);
-}
-
-sub _execute {
- my $self = shift;
- my ($op) = @_;
-
- my ($rv, $sth, @bind) = $self->dbh_do($self->can('_dbh_execute'), @_);
-
- if ($op eq 'insert' && $self->_auto_cols) {
- local $@;
- my (@auto_cols) = eval {
- local $SIG{__WARN__} = sub {};
- $sth->fetchrow_array
- };
- $self->_auto_cols->[1] = \@auto_cols;
- $sth->finish;
- }
-
- return wantarray ? ($rv, $sth, @bind) : $rv;
+use Scalar::Util 'weaken';
+use Context::Preserve 'preserve_context';
+use DBIx::Class::Carp;
+use Try::Tiny;
+use namespace::clean;
+
+__PACKAGE__->sql_limit_dialect ('LimitOffset');
+__PACKAGE__->sql_quote_char ('"');
+__PACKAGE__->datetime_parser_type ('DateTime::Format::Pg');
+__PACKAGE__->_use_multicolumn_in (1);
+
+sub _determine_supports_insert_returning {
+ return shift->_server_info->{normalized_dbms_version} >= 8.002
+ ? 1
+ : 0
+ ;
}
-
sub with_deferred_fk_checks {
my ($self, $sub) = @_;
my $txn_scope_guard = $self->txn_scope_guard;
$self->_do_query('SET CONSTRAINTS ALL DEFERRED');
-
- my $sg = Scope::Guard->new(sub {
- $self->_do_query('SET CONSTRAINTS ALL IMMEDIATE');
- });
- return Context::Preserve::preserve_context(sub { $sub->() },
- after => sub { $txn_scope_guard->commit });
+ weaken($self);
+ return preserve_context {
+ my $sg = Scope::Guard->new(sub {
+ $self->_do_query('SET CONSTRAINTS ALL IMMEDIATE');
+ });
+ $sub->()
+ } after => sub { $txn_scope_guard->commit };
}
-sub insert {
- my $self = shift;
-
- my $updated_cols = $self->next::method(@_);
-
- if ($self->_auto_cols->[0]) {
- my %auto_cols;
- @auto_cols{ @{ $self->_auto_cols->[0] } } = @{ $self->_auto_cols->[1] };
-
- $updated_cols = { %$updated_cols, %auto_cols };
- }
+# only used when INSERT ... RETURNING is disabled
+sub last_insert_id {
+ my ($self,$source,@cols) = @_;
- return $updated_cols;
-}
+ my @values;
-sub last_insert_id {
- my ($self, $source, @cols) = @_;
- my @result;
+ my $col_info = $source->columns_info(\@cols);
- my %auto_cols;
- @auto_cols{ @{ $self->_auto_cols->[0] } } =
- @{ $self->_auto_cols->[1] };
+ for my $col (@cols) {
+ my $seq = ( $col_info->{$col}{sequence} ||= $self->dbh_do('_dbh_get_autoinc_seq', $source, $col) )
+ or $self->throw_exception( sprintf(
+ "Could not determine sequence for column '%s.%s', please consider adding a schema-qualified sequence to its column info",
+ $source->name,
+ $col,
+ ));
- push @result, $auto_cols{$_} for @cols;
+ push @values, $self->_dbh->last_insert_id(undef, undef, undef, undef, {sequence => $seq});
+ }
- return @result;
+ return @values;
}
sub _sequence_fetch {
my ($self, $function, $sequence) = @_;
$self->throw_exception('No sequence to fetch') unless $sequence;
-
+
my ($val) = $self->_get_dbh->selectrow_array(
- sprintf "select $function('%s')",
- $sequence
+ sprintf ("select %s('%s')", $function, (ref $sequence eq 'SCALAR') ? $$sequence : $sequence)
);
return $val;
-}
+}
sub _dbh_get_autoinc_seq {
my ($self, $dbh, $source, $col) = @_;
$seq_expr = '' unless defined $seq_expr;
$schema = "$schema." if defined $schema && length $schema;
$self->throw_exception( sprintf (
- 'no sequence found for %s%s.%s, check the RDBMS table definition or explicitly set the '.
+ "No sequence found for '%s%s.%s', check the RDBMS table definition or explicitly set the ".
"'sequence' for this column in %s",
$schema ? "$schema." : '',
$table,
));
}
- return $1;
+ return $1; # exception thrown unless match is made above
}
# custom method for fetching column default, since column_info has a
return 'PostgreSQL';
}
-sub datetime_parser_type { return "DateTime::Format::Pg"; }
-
sub bind_attribute_by_data_type {
my ($self,$data_type) = @_;
- my $bind_attributes = {
- bytea => { pg_type => DBD::Pg::PG_BYTEA },
- blob => { pg_type => DBD::Pg::PG_BYTEA },
- };
+ if ($self->_is_binary_lob_type($data_type)) {
+ # this is a hot-ish codepath, use an escape flag to minimize
+ # amount of function/method calls
+ # additionally version.pm is cock, and memleaks on multiple
+ # ->VERSION calls
+ # the flag is stored in the DBD namespace, so that Class::Unload
+ # will work (unlikely, but still)
+ unless ($DBD::Pg::__DBIC_DBD_VERSION_CHECK_DONE__) {
+ if ($self->_server_info->{normalized_dbms_version} >= 9.0) {
+ try { DBD::Pg->VERSION('2.17.2'); 1 } or carp (
+ __PACKAGE__.': BYTEA columns are known to not work on Pg >= 9.0 with DBD::Pg < 2.17.2'
+ );
+ }
+ elsif (not try { DBD::Pg->VERSION('2.9.2'); 1 } ) { carp (
+ __PACKAGE__.': DBD::Pg 2.9.2 or greater is strongly recommended for BYTEA column support'
+ )}
+
+ $DBD::Pg::__DBIC_DBD_VERSION_CHECK_DONE__ = 1;
+ }
- if( defined $bind_attributes->{$data_type} ) {
- return $bind_attributes->{$data_type};
+ return { pg_type => DBD::Pg::PG_BYTEA() };
}
else {
- return;
+ return undef;
}
}
-sub _svp_begin {
+sub _exec_svp_begin {
my ($self, $name) = @_;
- $self->_get_dbh->pg_savepoint($name);
+ $self->_dbh->pg_savepoint($name);
}
-sub _svp_release {
+sub _exec_svp_release {
my ($self, $name) = @_;
- $self->_get_dbh->pg_release($name);
+ $self->_dbh->pg_release($name);
}
-sub _svp_rollback {
+sub _exec_svp_rollback {
my ($self, $name) = @_;
- $self->_get_dbh->pg_rollback_to($name);
+ $self->_dbh->pg_rollback_to($name);
+}
+
+sub deployment_statements {
+ my $self = shift;;
+ my ($schema, $type, $version, $dir, $sqltargs, @rest) = @_;
+
+ $sqltargs ||= {};
+
+ if (
+ ! exists $sqltargs->{producer_args}{postgres_version}
+ and
+ my $dver = $self->_server_info->{normalized_dbms_version}
+ ) {
+ $sqltargs->{producer_args}{postgres_version} = $dver;
+ }
+
+ $self->next::method($schema, $type, $version, $dir, $sqltargs, @rest);
}
1;
# In your result (table) classes
use base 'DBIx::Class::Core';
__PACKAGE__->set_primary_key('id');
- __PACKAGE__->sequence('mysequence');
=head1 DESCRIPTION
},
);
-=head1 AUTHORS
-
-See L<DBIx::Class/CONTRIBUTORS>
+=head1 FURTHER QUESTIONS?
-=head1 LICENSE
+Check the list of L<additional DBIC resources|DBIx::Class/GETTING HELP/SUPPORT>.
-You may distribute this code under the same terms as Perl itself.
+=head1 COPYRIGHT AND LICENSE
-=cut
+This module is free software L<copyright|DBIx::Class/COPYRIGHT AND LICENSE>
+by the L<DBIx::Class (DBIC) authors|DBIx::Class/AUTHORS>. You can
+redistribute it and/or modify it under the same terms as the
+L<DBIx::Class library|DBIx::Class/COPYRIGHT AND LICENSE>.