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 base 'DBIx::Class::Schema::Loader::DBI::Component::QuotedDefault';
use mro 'c3';
-our $VERSION = '0.07010';
+our $VERSION = '0.07048_01';
=head1 NAME
DBIx::Class::Schema::Loader::DBI::Pg - DBIx::Class::Schema::Loader::DBI
PostgreSQL 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>.
+See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>.
=cut
$self->next::method(@_);
- $self->{db_schema} ||= 'public';
+ $self->{db_schema} ||= ['public'];
if (not defined $self->preserve_case) {
$self->preserve_case(0);
}
}
-sub _tables_list {
- my ($self, $opts) = @_;
+sub _system_schemas {
+ my $self = shift;
- my $dbh = $self->schema->storage->dbh;
- my @tables = $dbh->tables(undef, $self->db_schema, '%', '%');
+ return ($self->next::method(@_), 'pg_catalog');
+}
- my $schema_quoted = $tables[0] =~ /^"/;
+my %pg_rules = (
+ a => 'NO ACTION',
+ r => 'RESTRICT',
+ c => 'CASCADE',
+ n => 'SET NULL',
+ d => 'SET DEFAULT',
+);
- if ($schema_quoted) {
- s/^"[^"]+"\.// for @tables;
- }
- else {
- s/^[^.]+\.// for @tables;
- }
+sub _table_fk_info {
+ my ($self, $table) = @_;
+
+ my $sth = $self->dbh->prepare_cached(<<"EOF");
+ select constr.conname, to_ns.nspname, to_class.relname, from_col.attname, to_col.attname,
+ constr.confdeltype, constr.confupdtype, constr.condeferrable
+ from pg_catalog.pg_constraint constr
+ join pg_catalog.pg_namespace from_ns on constr.connamespace = from_ns.oid
+ join pg_catalog.pg_class from_class on constr.conrelid = from_class.oid and from_class.relnamespace = from_ns.oid
+ join pg_catalog.pg_class to_class on constr.confrelid = to_class.oid
+ join pg_catalog.pg_namespace to_ns on to_class.relnamespace = to_ns.oid
+ -- can't do unnest() until 8.4, so join against a series table instead
+ join pg_catalog.generate_series(1, pg_catalog.current_setting('max_index_keys')::integer) colnum(i)
+ on colnum.i <= pg_catalog.array_upper(constr.conkey,1)
+ join pg_catalog.pg_attribute to_col
+ on to_col.attrelid = constr.confrelid
+ and to_col.attnum = constr.confkey[colnum.i]
+ join pg_catalog.pg_attribute from_col
+ on from_col.attrelid = constr.conrelid
+ and from_col.attnum = constr.conkey[colnum.i]
+ where from_ns.nspname = ?
+ and from_class.relname = ?
+ and from_class.relkind = 'r'
+ and constr.contype = 'f'
+ order by constr.conname, colnum.i
+EOF
+
+ $sth->execute($table->schema, $table->name);
+
+ my %rels;
- s/^"([^"]+)"\z/$1/ for @tables;
+ while (my ($fk, $remote_schema, $remote_table, $col, $remote_col,
+ $delete_rule, $update_rule, $is_deferrable) = $sth->fetchrow_array) {
+ push @{ $rels{$fk}{local_columns} }, $self->_lc($col);
+ push @{ $rels{$fk}{remote_columns} }, $self->_lc($remote_col);
- return $self->_filter_tables(\@tables, $opts);
+ $rels{$fk}{remote_table} = DBIx::Class::Schema::Loader::Table->new(
+ loader => $self,
+ name => $remote_table,
+ schema => $remote_schema,
+ ) unless exists $rels{$fk}{remote_table};
+
+ $rels{$fk}{attrs} ||= {
+ on_delete => $pg_rules{$delete_rule},
+ on_update => $pg_rules{$update_rule},
+ is_deferrable => $is_deferrable,
+ };
+ }
+
+ return [ map { $rels{$_} } sort keys %rels ];
}
+
sub _table_uniq_info {
my ($self, $table) = @_;
if $DBD::Pg::VERSION >= 1.50;
my @uniqs;
- my $dbh = $self->schema->storage->dbh;
# Most of the SQL here is mostly based on
# Rose::DB::Object::Metadata::Auto::Pg, after some prodding from
# John Siracusa to use his superior SQL code :)
- my $attr_sth = $self->{_cache}->{pg_attr_sth} ||= $dbh->prepare(
+ my $attr_sth = $self->{_cache}->{pg_attr_sth} ||= $self->dbh->prepare(
q{SELECT attname FROM pg_catalog.pg_attribute
WHERE attrelid = ? AND attnum = ?}
);
- my $uniq_sth = $self->{_cache}->{pg_uniq_sth} ||= $dbh->prepare(
+ my $uniq_sth = $self->{_cache}->{pg_uniq_sth} ||= $self->dbh->prepare(
q{SELECT x.indrelid, i.relname, x.indkey
FROM
pg_catalog.pg_index x
JOIN pg_catalog.pg_class c ON c.oid = x.indrelid
JOIN pg_catalog.pg_class i ON i.oid = x.indexrelid
- JOIN pg_catalog.pg_constraint con ON con.conname = i.relname
- LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
+ JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
WHERE
x.indisunique = 't' AND
+ x.indpred IS NULL AND
c.relkind = 'r' AND
i.relkind = 'i' AND
- con.contype = 'u' AND
n.nspname = ? AND
- c.relname = ?}
+ c.relname = ?
+ ORDER BY i.relname}
);
- $uniq_sth->execute($self->db_schema, $table);
+ $uniq_sth->execute($table->schema, $table->name);
while(my $row = $uniq_sth->fetchrow_arrayref) {
my ($tableid, $indexname, $col_nums) = @$row;
$col_nums =~ s/^\s+//;
foreach (@col_nums) {
$attr_sth->execute($tableid, $_);
my $name_aref = $attr_sth->fetchrow_arrayref;
- push(@col_names, $name_aref->[0]) if $name_aref;
+ push(@col_names, $self->_lc($name_aref->[0])) if $name_aref;
}
- if(!@col_names) {
- warn "Failed to parse UNIQUE constraint $indexname on $table";
- }
- else {
+ # skip indexes with missing column names (e.g. expression indexes)
+ if(@col_names == @col_nums) {
push(@uniqs, [ $indexname => \@col_names ]);
}
}
}
sub _table_comment {
- my ( $self, $table ) = @_;
- my ($table_comment) = $self->next::method($table);
- if (not $table_comment) {
- ($table_comment) = $self->schema->storage->dbh->selectrow_array(
- q{SELECT obj_description(oid)
- FROM pg_class
- WHERE relname=? AND relnamespace=(
- SELECT oid FROM pg_namespace WHERE nspname=?)
- }, undef, $table, $self->db_schema
- );
- }
+ 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->name, $table->schema);
+SELECT pg_catalog.obj_description(oid)
+FROM pg_catalog.pg_class
+WHERE relname=? AND relnamespace=(SELECT oid FROM pg_catalog.pg_namespace WHERE nspname=?)
+EOF
+
return $table_comment
}
sub _column_comment {
- my ( $self, $table, $column_number, $column_name ) = @_;
- my ($column_comment) = $self->next::method(
- $table, $column_number, $column_name);
- if (not $column_comment) {
- my ($table_oid) = $self->schema->storage->dbh->selectrow_array(
- q{SELECT oid
- FROM pg_class
- WHERE relname=? AND relnamespace=(
- SELECT oid FROM pg_namespace WHERE nspname=?)
- }, undef, $table, $self->db_schema
- );
- $column_comment = $self->schema->storage->dbh->selectrow_array(
- 'SELECT col_description(?,?)', undef, $table_oid, $column_number );
- }
- return $column_comment;
+ my $self = shift;
+ my ($table, $column_number, $column_name) = @_;
+
+ my $column_comment = $self->next::method(@_);
+
+ return $column_comment if $column_comment;
+
+ return $self->dbh->selectrow_array(<<'EOF', {}, $column_number, $table->name, $table->schema);
+SELECT pg_catalog.col_description(oid, ?)
+FROM pg_catalog.pg_class
+WHERE relname=? AND relnamespace=(SELECT oid FROM pg_catalog.pg_namespace WHERE nspname=?)
+EOF
}
# Make sure data_type's that don't need it don't have a 'size' column_info, and
my $self = shift;
my ($table) = @_;
- my $result = $self->next::method(@_);
+ my ($result, $raw) = $self->next::method(@_);
while (my ($col, $info) = each %$result) {
my $data_type = $info->{data_type};
# these types are fixed size
# XXX should this be a negative match?
if ($data_type =~
-/^(?:bigint|int8|bigserial|serial8|boolean|bool|box|bytea|cidr|circle|date|double precision|float8|inet|integer|int|int4|line|lseg|macaddr|money|path|point|polygon|real|float4|smallint|int2|serial|serial4|text)\z/i) {
+/^(?:bigint|int8|bigserial|serial8|bool(?:ean)?|box|bytea|cidr|circle|date|double precision|float8|inet|integer|int|int4|line|lseg|macaddr|money|path|point|polygon|real|float4|smallint|int2|serial|serial4|text)\z/i) {
delete $info->{size};
}
# for datetime types, check if it has a precision or not
}
my ($precision) = $self->schema->storage->dbh
- ->selectrow_array(<<EOF, {}, $table, $col);
+ ->selectrow_array(<<EOF, {}, $table->name, $col);
SELECT datetime_precision
FROM information_schema.columns
WHERE table_name = ? and column_name = ?
EOF
if ($data_type =~ /^time\b/i) {
- if ((not $precision) || $precision !~ /^\d/) {
+ if ((not defined $precision) || $precision !~ /^\d/) {
delete $info->{size};
}
else {
- my ($integer_datetimes) = $self->schema->storage->dbh
+ my ($integer_datetimes) = $self->dbh
->selectrow_array('show integer_datetimes');
my $max_precision =
}
}
}
- elsif ((not $precision) || $precision !~ /^\d/ || $precision == 6) {
+ elsif ((not defined $precision) || $precision !~ /^\d/ || $precision == 6) {
delete $info->{size};
}
else {
elsif ($data_type =~ /^(?:bit(?: varying)?|varbit)\z/i) {
$info->{data_type} = 'varbit' if $data_type =~ /var/i;
- my ($precision) = $self->schema->storage->dbh
- ->selectrow_array(<<EOF, {}, $table, $col);
+ my ($precision) = $self->dbh->selectrow_array(<<EOF, {}, $table->name, $col);
SELECT character_maximum_length
FROM information_schema.columns
WHERE table_name = ? and column_name = ?
elsif (lc($data_type) eq 'character') {
$info->{data_type} = 'char';
}
- else {
+ # DBD::Pg < 3.5.2 can get the order wrong on Pg >= 9.1.0
+ elsif (
+ ($DBD::Pg::VERSION >= 3.005002 or $self->dbh->{pg_server_version} < 90100)
+ and
+ my $values = $raw->{$col}->{pg_enum_values}
+ ) {
+ $info->{extra}{list} = $values;
+
+ # Store its original name in extra for SQLT to pick up.
+ $info->{extra}{custom_type_name} = $info->{data_type};
+
+ $info->{data_type} = 'enum';
+
+ delete $info->{size};
+ }
+ else {
my ($typetype) = $self->schema->storage->dbh
->selectrow_array(<<EOF, {}, $data_type);
SELECT typtype
FROM pg_catalog.pg_type
-WHERE typname = ?
+WHERE oid = ?::regtype
EOF
- if ($typetype eq 'e') {
- # The following will extract a list of allowed values for the
- # enum.
- my $typevalues = $self->schema->storage->dbh
- ->selectall_arrayref(<<EOF, {}, $info->{data_type});
+ if ($typetype && $typetype eq 'e') {
+ # The following will extract a list of allowed values for the enum.
+ my $order_column = $self->dbh->{pg_server_version} >= 90100 ? 'enumsortorder' : 'oid';
+ $info->{extra}{list} = $self->dbh
+ ->selectcol_arrayref(<<EOF, {}, $data_type);
SELECT e.enumlabel
FROM pg_catalog.pg_enum e
-JOIN pg_catalog.pg_type t ON t.oid = e.enumtypid
-WHERE t.typname = ?
+WHERE e.enumtypid = ?::regtype
+ORDER BY e.$order_column
EOF
- $info->{extra}{list} = [ map { $_->[0] } @$typevalues ];
-
# Store its original name in extra for SQLT to pick up.
- $info->{extra}{custom_type_name} = $info->{data_type};
+ $info->{extra}{custom_type_name} = $data_type;
$info->{data_type} = 'enum';
-
+
delete $info->{size};
}
}
-# process SERIAL columns
- if (ref($info->{default_value}) eq 'SCALAR'
- && ${ $info->{default_value} } =~ /\bnextval\('([^:]+)'/i) {
- $info->{is_auto_increment} = 1;
- $info->{sequence} = $1;
- delete $info->{default_value};
- }
+ if (ref($info->{default_value}) eq 'SCALAR') {
+ # process SERIAL columns
+ if (${ $info->{default_value} } =~ /\bnextval\('([^:]+)'/i) {
+ $info->{is_auto_increment} = 1;
+ $info->{sequence} = $1;
+ delete $info->{default_value};
+ }
+ # alias now() to current_timestamp for deploying to other DBs
+ elsif (lc ${ $info->{default_value} } eq 'now()') {
+ # do not use a ref to a constant, that breaks Data::Dump output
+ ${$info->{default_value}} = 'current_timestamp';
-# alias now() to current_timestamp for deploying to other DBs
- if ((eval { lc ${ $info->{default_value} } }||'') eq 'now()') {
- # do not use a ref to a constant, that breaks Data::Dump output
- ${$info->{default_value}} = 'current_timestamp';
+ my $now = 'now()';
+ $info->{original}{default_value} = \$now;
+ }
+ elsif (${ $info->{default_value} } =~ /\bCURRENT_TIMESTAMP\b/) {
+ # PostgreSQL v10 upcases current_timestamp in default values
+ ${ $info->{default_value} } =~ s/\b(CURRENT_TIMESTAMP)\b/lc $1/ge;
+ }
+ }
- my $now = 'now()';
- $info->{original}{default_value} = \$now;
+ # detect 0/1 for booleans and rewrite
+ if ($data_type =~ /^bool/i && exists $info->{default_value}) {
+ if ($info->{default_value} eq '0') {
+ my $false = 'false';
+ $info->{default_value} = \$false;
+ }
+ elsif ($info->{default_value} eq '1') {
+ my $true = 'true';
+ $info->{default_value} = \$true;
+ }
}
}
return $result;
}
+sub _view_definition {
+ my ($self, $view) = @_;
+
+ my $def = $self->schema->storage->dbh->selectrow_array(<<'EOF', {}, $view->schema, $view->name);
+SELECT pg_catalog.pg_get_viewdef(oid)
+FROM pg_catalog.pg_class
+WHERE relnamespace = (SELECT OID FROM pg_catalog.pg_namespace WHERE nspname = ?)
+AND relname = ?
+EOF
+ # The definition is returned as a complete statement including the
+ # trailing semicolon, but that's not allowed in CREATE VIEW, so
+ # strip it out
+ $def =~ s/\s*;\s*\z//;
+ return $def;
+}
+
=head1 SEE ALSO
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