package SQL::Translator::Producer::PostgreSQL;
# -------------------------------------------------------------------
-# $Id: PostgreSQL.pm,v 1.25 2006-08-04 21:38:20 schiffbruechige Exp $
+# $Id: PostgreSQL.pm,v 1.29 2007-06-04 04:01:14 mwz444 Exp $
# -------------------------------------------------------------------
# Copyright (C) 2002-4 SQLFairy Authors
#
use strict;
use warnings;
-use vars qw[ $DEBUG $WARN $VERSION ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.25 $ =~ /(\d+)\.(\d+)/;
-$DEBUG = 1 unless defined $DEBUG;
+use vars qw[ $DEBUG $WARN $VERSION %used_names ];
+$VERSION = sprintf "%d.%02d", q$Revision: 1.29 $ =~ /(\d+)\.(\d+)/;
+$DEBUG = 0 unless defined $DEBUG;
use SQL::Translator::Schema::Constants;
-use SQL::Translator::Utils qw(header_comment);
+use SQL::Translator::Utils qw(debug header_comment);
use Data::Dumper;
my %translate;
set => 'character varying',
date => 'date',
datetime => 'timestamp',
- time => 'date',
+ time => 'time',
timestamp => 'timestamp',
year => 'date',
# -------------------------------------------------------------------
sub produce {
my $translator = shift;
- $DEBUG = $translator->debug;
- $WARN = $translator->show_warnings;
+ local $DEBUG = $translator->debug;
+ local $WARN = $translator->show_warnings;
my $no_comments = $translator->no_comments;
my $add_drop_table = $translator->add_drop_table;
my $schema = $translator->schema;
+ my $pargs = $translator->producer_args;
+ local %used_names = ();
+
+ my $postgres_version = $pargs->{postgres_version} || 0;
my $qt = '';
$qt = '"' if ($translator->quote_table_names);
my $output;
$output .= header_comment unless ($no_comments);
-# my %used_index_names;
my (@table_defs, @fks);
for my $table ( $schema->get_tables ) {
{ quote_table_names => $qt,
quote_field_names => $qf,
no_comments => $no_comments,
+ postgres_version => $postgres_version,
add_drop_table => $add_drop_table,});
push @table_defs, $table_def;
push @fks, @$fks;
}
+ for my $view ( $schema->get_views ) {
+ push @table_defs, create_view($view, {
+ add_drop_view => $add_drop_table,
+ quote_table_names => $qt,
+ quote_field_names => $qf,
+ no_comments => $no_comments,
+ });
+ }
+
$output = join("\n\n", @table_defs);
if ( @fks ) {
$output .= "--\n-- Foreign Key Definitions\n--\n\n" unless $no_comments;
- $output .= join( "\n\n", @fks );
+ $output .= join( "\n\n", @fks ) . "\n";
}
if ( $WARN ) {
# -------------------------------------------------------------------
sub next_unused_name {
- my $name = shift || '';
- my $used_names = shift || '';
-
- my %used_names = %$used_names;
-
- if ( !defined($used_names{$name}) ) {
+ my $name = shift || '';
+ if ( !defined( $used_names{$name} ) ) {
$used_names{$name} = $name;
return $name;
}
-
+
my $i = 2;
- while ( defined($used_names{$name . $i}) ) {
+ while ( defined( $used_names{ $name . $i } ) ) {
++$i;
}
$name .= $i;
return $name;
}
+
sub create_table
{
my ($table, $options) = @_;
my $qf = $options->{quote_field_names} || '';
my $no_comments = $options->{no_comments} || 0;
my $add_drop_table = $options->{add_drop_table} || 0;
+ my $postgres_version = $options->{postgres_version} || 0;
my $table_name = $table->name or next;
$table_name = mk_name( $table_name, '', undef, 1 );
$table->name($table_name_ur);
# print STDERR "$table_name table_name\n";
- my ( @comments, @field_defs, @sequence_defs, @constraint_defs, @fks );
+ my ( @comments, @field_defs, @sequence_defs, @constraint_defs, @type_defs, @type_drops, @fks );
- push @comments, "--\n-- Table: $table_name_ur\n--" unless $no_comments;
+ push @comments, "--\n-- Table: $table_name_ur\n--\n" unless $no_comments;
if ( $table->comments and !$no_comments ){
my $c = "-- Comments: \n-- ";
$c .= join "\n-- ", $table->comments;
- $c .= "\n--";
+ $c .= "\n--\n";
push @comments, $c;
}
push @field_defs, create_field($field, { quote_table_names => $qt,
quote_field_names => $qf,
table_name => $table_name_ur,
+ postgres_version => $postgres_version,
+ type_defs => \@type_defs,
+ type_drops => \@type_drops,
constraint_defs => \@constraint_defs,});
}
quote_table_names => $qt,
table_name => $table_name,
});
- push @index_defs, $idef;
+ $idef and push @index_defs, $idef;
push @constraint_defs, @$constraints;
}
my $create_statement;
$create_statement = join("\n", @comments);
- $create_statement .= qq[DROP TABLE $qt$table_name_ur$qt;\n]
- if $add_drop_table;
+ if ($add_drop_table) {
+ if ($postgres_version >= 8.2) {
+ $create_statement .= qq[DROP TABLE IF EXISTS $qt$table_name_ur$qt CASCADE;\n];
+ $create_statement .= join ("\n", @type_drops) . "\n"
+ if $postgres_version >= 8.3;
+ } else {
+ $create_statement .= qq[DROP TABLE $qt$table_name_ur$qt CASCADE;\n];
+ }
+ }
+ $create_statement .= join("\n", @type_defs) . "\n"
+ if $postgres_version >= 8.3;
$create_statement .= qq[CREATE TABLE $qt$table_name_ur$qt (\n].
join( ",\n", map { " $_" } @field_defs, @constraint_defs ).
"\n);"
;
- $create_statement .= "\n" . join(";\n", @index_defs) . "\n";
+ $create_statement .= "\n" . join("\n", @index_defs) . "\n";
return $create_statement, \@fks;
}
+sub create_view {
+ my ($view, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ my $qf = $options->{quote_field_names} || '';
+ my $add_drop_view = $options->{add_drop_view};
+
+ my $view_name = $view->name;
+ debug("PKG: Looking at view '${view_name}'\n");
+
+ my $create = '';
+ $create .= "--\n-- View: ${qt}${view_name}${qt}\n--\n"
+ unless $options->{no_comments};
+ $create .= "DROP VIEW ${qt}${view_name}${qt};\n" if $add_drop_view;
+ $create .= 'CREATE';
+
+ my $extra = $view->extra;
+ $create .= " TEMPORARY" if exists($extra->{temporary}) && $extra->{temporary};
+ $create .= " VIEW ${qt}${view_name}${qt}";
+
+ if ( my @fields = $view->fields ) {
+ my $field_list = join ', ', map { "${qf}${_}${qf}" } @fields;
+ $create .= " ( ${field_list} )";
+ }
+
+ if ( my $sql = $view->sql ) {
+ $create .= " AS (\n ${sql}\n )";
+ }
+
+ if ( $extra->{check_option} ) {
+ $create .= ' WITH ' . uc $extra->{check_option} . ' CHECK OPTION';
+ }
+
+ $create .= ";\n\n";
+ return $create;
+}
+
{
my %field_name_scope;
my $qf = $options->{quote_field_names} || '';
my $table_name = $field->table->name;
my $constraint_defs = $options->{constraint_defs} || [];
+ my $postgres_version = $options->{postgres_version} || 0;
+ my $type_defs = $options->{type_defs} || [];
+ my $type_drops = $options->{type_drops} || [];
$field_name_scope{$table_name} ||= {};
my $field_name = mk_name(
my $commalist = join( ', ', map { qq['$_'] } @$list );
my $seq_name;
- $field_def .= ' '. convert_datatype($field);
+ if ($postgres_version >= 8.3 && $field->data_type eq 'enum') {
+ my $type_name = $field->table->name . '_' . $field->name . '_type';
+ $field_def .= ' '. $type_name;
+ push @$type_defs, "CREATE TYPE $type_name AS ENUM ($commalist);";
+ push @$type_drops, "DROP TYPE IF EXISTS $type_name;";
+ } else {
+ $field_def .= ' '. convert_datatype($field);
+ }
#
# Default value -- disallow for timestamps
#
- my $default = $data_type =~ /(timestamp|date)/i
- ? undef : $field->default_value;
+# my $default = $data_type =~ /(timestamp|date)/i
+# ? undef : $field->default_value;
+ my $default = $field->default_value;
if ( defined $default ) {
+ my $qd = "'";
+ $qd = '' if ($default eq 'now()' ||
+ $default eq 'CURRENT_TIMESTAMP');
$field_def .= sprintf( ' DEFAULT %s',
( $field->is_auto_increment && $seq_name )
? qq[nextval('"$seq_name"'::text)] :
- ( $default =~ m/null/i ) ? 'NULL' : "'$default'"
+ ( $default =~ m/null/i ) ? 'NULL' : "$qd$default$qd"
);
}
}
}
-{
- my %used_index_names;
-
sub create_index
{
my ($index, $options) = @_;
my ($index_def, @constraint_defs);
- $used_index_names{$table_name} ||= {};
my $name = $index->name || '';
if ( $name ) {
- $name = next_unused_name($name, $used_index_names{$table_name});
- $used_index_names{$name} = $name;
+ $name = next_unused_name($name);
}
my $type = $index->type || NORMAL;
my $name = $c->name || '';
if ( $name ) {
- $name = next_unused_name($name, \%used_index_names);
- $used_index_names{$name} = $name;
+ $name = next_unused_name($name);
}
my @fields =
'('.$qf . join( $qf.', '.$qf, @fields ) . $qf.')';
}
elsif ( $c->type eq UNIQUE ) {
- $name = next_unused_name($name, \%used_index_names);
- $used_index_names{$name} = $name;
+ $name = next_unused_name($name);
push @constraint_defs, "${def_start}UNIQUE " .
'('.$qf . join( $qf.', '.$qf, @fields ) . $qf.')';
}
$def .= ' ON UPDATE '.join( ' ', $c->on_update );
}
+ if ( $c->deferrable ) {
+ $def .= ' DEFERRABLE';
+ }
+
push @fks, "$def;";
}
return \@constraint_defs, \@fks;
}
-}
sub convert_datatype
{
$data_type = 'integer';
}
}
+ my @type_without_size = qw/bigint boolean box bytea cidr circle date inet
+ integer smallint text line lseg macaddr money
+ path point polygon real/;
+ foreach (@type_without_size) {
+ if ( $data_type =~ qr/$_/ ) {
+ undef @size; last;
+ }
+ }
- #
- # PG doesn't need a size for integers or text
- #
- undef @size if $data_type =~ m/(integer|smallint|bigint|text)/;
-
if ( defined $size[0] && $size[0] > 0 ) {
$data_type .= '(' . join( ',', @size ) . ')';
}
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