package SQL::Translator::Producer::PostgreSQL;
# -------------------------------------------------------------------
-# $Id: PostgreSQL.pm,v 1.29 2007-06-04 04:01:14 mwz444 Exp $
+# $Id$
# -------------------------------------------------------------------
-# Copyright (C) 2002-4 SQLFairy Authors
+# Copyright (C) 2002-2009 SQLFairy Authors
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
use strict;
use warnings;
-use vars qw[ $DEBUG $WARN $VERSION %used_names ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.29 $ =~ /(\d+)\.(\d+)/;
-$DEBUG = 1 unless defined $DEBUG;
+use vars qw[ $DEBUG $WARN %used_names ];
+$DEBUG = 0 unless defined $DEBUG;
+use base qw(SQL::Translator::Producer);
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;
# -------------------------------------------------------------------
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;
}
- $output = join("\n\n", @table_defs);
+ 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) . ";\n\n";
if ( @fks ) {
$output .= "--\n-- Foreign Key Definitions\n--\n\n" unless $no_comments;
- $output .= join( "\n\n", @fks ) . "\n";
+ $output .= join( ";\n\n", @fks ) . ";\n";
}
if ( $WARN ) {
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 );
- my $table_name_ur = $qt ? $table_name : unreserve($table_name);
+ my $table_name = $table->name or next;
+ $table_name = mk_name( $table_name, '', undef, 1 );
+ my ( $fql_tbl_name ) = ( $table_name =~ s/\W(.*)$// ) ? $1 : q{};
+ my $table_name_ur = $qt ? $table_name
+ : $fql_tbl_name ? join('.', $table_name, unreserve($fql_tbl_name))
+ : unreserve($table_name);
$table->name($table_name_ur);
# print STDERR "$table_name table_name\n";
push @fks, @$fks;
}
+
+ my $temporary = "";
+
+ if(exists $table->{extra}{temporary}) {
+ $temporary = $table->{extra}{temporary} ? "TEMPORARY " : "";
+ }
+
my $create_statement;
$create_statement = join("\n", @comments);
if ($add_drop_table) {
}
$create_statement .= join("\n", @type_defs) . "\n"
if $postgres_version >= 8.3;
- $create_statement .= qq[CREATE TABLE $qt$table_name_ur$qt (\n].
+ $create_statement .= qq[CREATE ${temporary}TABLE $qt$table_name_ur$qt (\n].
join( ",\n", map { " $_" } @field_defs, @constraint_defs ).
- "\n);"
+ "\n)"
;
+ $create_statement .= @index_defs ? ';' : q{};
+ $create_statement .= ( $create_statement =~ /;$/ ? "\n" : q{} )
+ . join(";\n", @index_defs);
- $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';
+ }
+
+ return $create;
+}
+
{
my %field_name_scope;
my $list = $extra{'list'} || [];
# todo deal with embedded quotes
my $commalist = join( ', ', map { qq['$_'] } @$list );
- my $seq_name;
if ($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 $type_name;";
+ push @$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
+ # 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)] :
- ( $default =~ m/null/i ) ? 'NULL' : "$qd$default$qd"
- );
+ SQL::Translator::Producer->_apply_default_value(
+ \$field_def,
+ $default,
+ [
+ 'NULL' => \'NULL',
+ 'now()' => 'now()',
+ 'CURRENT_TIMESTAMP' => 'CURRENT_TIMESTAMP',
+ ],
+ );
}
#
$index->fields;
next unless @fields;
- my $def_start = qq[Constraint "$name" ];
+ my $def_start = qq[CONSTRAINT "$name" ];
if ( $type eq PRIMARY_KEY ) {
push @constraint_defs, "${def_start}PRIMARY KEY ".
'(' .$qf . join( $qf. ', '.$qf, @fields ) . $qf . ')';
$index_def =
"CREATE INDEX ${qf}${name}${qf} on ${qt}${table_name}${qt} (".
join( ', ', map { qq[$qf$_$qf] } @fields ).
- ');'
+ ')'
;
}
else {
$c->reference_fields;
next if !@fields && $c->type ne CHECK_C;
- my $def_start = $name ? qq[Constraint "$name" ] : '';
+ my $def_start = $name ? qq[CONSTRAINT "$name" ] : '';
if ( $c->type eq PRIMARY_KEY ) {
push @constraint_defs, "${def_start}PRIMARY KEY ".
'('.$qf . join( $qf.', '.$qf, @fields ) . $qf.')';
$def .= ' DEFERRABLE';
}
- push @fks, "$def;";
+ push @fks, "$def";
}
return \@constraint_defs, \@fks;
# $len = ($len < length($_)) ? length($_) : $len for (@$list);
# my $chk_name = mk_name( $table_name.'_'.$field_name, 'chk' );
# push @$constraint_defs,
-# qq[Constraint "$chk_name" CHECK ($qf$field_name$qf ].
+# qq[CONSTRAINT "$chk_name" CHECK ($qf$field_name$qf ].
# qq[IN ($commalist))];
$data_type = 'character varying';
}
if($from_field->table->name ne $to_field->table->name);
my @out;
- push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s SET NOT NULL;',
+ push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s SET NOT NULL',
$to_field->table->name,
$to_field->name) if(!$to_field->is_nullable and
$from_field->is_nullable);
my $from_dt = convert_datatype($from_field);
my $to_dt = convert_datatype($to_field);
- push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s TYPE %s;',
+ push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s TYPE %s',
$to_field->table->name,
$to_field->name,
$to_dt) if($to_dt ne $from_dt);
- push @out, sprintf('ALTER TABLE %s RENAME COLUMN %s TO %s;',
+ push @out, sprintf('ALTER TABLE %s RENAME COLUMN %s TO %s',
$to_field->table->name,
$from_field->name,
$to_field->name) if($from_field->name ne $to_field->name);
- push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s SET DEFAULT %s;',
+ my $old_default = $from_field->default_value;
+ my $new_default = $to_field->default_value;
+ push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s SET DEFAULT %s',
$to_field->table->name,
$to_field->name,
- $to_field->default_value)
- if(defined $to_field->default_value &&
- $from_field->default_value ne $to_field->default_value);
+ $to_field->default_value)
+ if ( defined $new_default &&
+ (!defined $old_default || $old_default ne $new_default) );
return wantarray ? @out : join("\n", @out);
-
}
+sub rename_field { alter_field(@_) }
+
sub add_field
{
my ($new_field) = @_;
- my $out = sprintf('ALTER TABLE %s ADD COLUMN %s;',
+ my $out = sprintf('ALTER TABLE %s ADD COLUMN %s',
$new_field->table->name,
create_field($new_field));
return $out;
{
my ($old_field) = @_;
- my $out = sprintf('ALTER TABLE %s DROP COLUMN %s;',
+ my $out = sprintf('ALTER TABLE %s DROP COLUMN %s',
$old_field->table->name,
$old_field->name);
return $out;
}
+sub alter_table {
+ my ($to_table, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ my $out = sprintf('ALTER TABLE %s %s',
+ $qt . $to_table->name . $qt,
+ $options->{alter_table_action});
+ return $out;
+}
+
+sub rename_table {
+ my ($old_table, $new_table, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ $options->{alter_table_action} = "RENAME TO $qt$new_table$qt";
+ return alter_table($old_table, $options);
+}
+
+sub alter_create_index {
+ my ($index, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ my $qf = $options->{quote_field_names} || '';
+ my ($idef, $constraints) = create_index($index, {
+ quote_field_names => $qf,
+ quote_table_names => $qt,
+ table_name => $index->table->name,
+ });
+ return $index->type eq NORMAL ? $idef
+ : sprintf('ALTER TABLE %s ADD %s',
+ $qt . $index->table->name . $qt,
+ join(q{}, @$constraints)
+ );
+}
+
+sub alter_drop_index {
+ my ($index, $options) = @_;
+ my $index_name = $index->name;
+ return "DROP INDEX $index_name";
+}
+
+sub alter_drop_constraint {
+ my ($c, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ my $qc = $options->{quote_field_names} || '';
+ my $out = sprintf('ALTER TABLE %s DROP CONSTRAINT %s',
+ $qt . $c->table->name . $qt,
+ $qc . $c->name . $qc );
+ return $out;
+}
+
+sub alter_create_constraint {
+ my ($index, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ return $index->type eq FOREIGN_KEY ? join(q{}, @{create_constraint(@_)})
+ : join( ' ', 'ALTER TABLE', $qt.$index->table->name.$qt,
+ 'ADD', join(q{}, map { @{$_} } create_constraint(@_))
+ );
+}
+
+sub drop_table {
+ my ($table, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ return "DROP TABLE $qt$table$qt CASCADE";
+}
+
1;
# -------------------------------------------------------------------
projects / dbsrgits/SQL-Translator.git / blobdiff