package SQL::Translator::Producer::PostgreSQL;
# -------------------------------------------------------------------
-# $Id: PostgreSQL.pm,v 1.29 2007-06-04 04:01:14 mwz444 Exp $
-# -------------------------------------------------------------------
-# 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 $VERSION ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.29 $ =~ /(\d+)\.(\d+)/;
-$DEBUG = 1 unless defined $DEBUG;
+use vars qw[ $DEBUG $WARN $VERSION %used_names ];
+$VERSION = '1.59';
+$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;
+ my $pargs = $translator->producer_args;
+ local %used_names = ();
+
+ my $postgres_version = $pargs->{postgres_version} || 0;
my $qt = '';
$qt = '"' if ($translator->quote_table_names);
my $qf = '';
$qf = '"' if ($translator->quote_field_names);
- my $output;
- $output .= header_comment unless ($no_comments);
-# my %used_index_names;
+ my @output;
+ push @output, header_comment unless ($no_comments);
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;
}
- $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 => $no_comments,
+ });
+ }
+
+ push @output, map { "$_;\n\n" } @table_defs;
if ( @fks ) {
- $output .= "--\n-- Foreign Key Definitions\n--\n\n" unless $no_comments;
- $output .= join( "\n\n", @fks ) . "\n";
+ push @output, "--\n-- Foreign Key Definitions\n--\n\n" unless $no_comments;
+ push @output, map { "$_;\n\n" } @fks;
}
if ( $WARN ) {
}
}
- return $output;
+ return wantarray
+ ? @output
+ : join ('', @output);
}
# -------------------------------------------------------------------
# -------------------------------------------------------------------
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 );
- my $table_name_ur = $qt ? $table_name : unreserve($table_name);
+ my $table_name = $table->name or next;
+ 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";
- 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--\n" unless $no_comments;
push @field_defs, create_field($field, { quote_table_names => $qt,
quote_field_names => $qf,
table_name => $table_name_ur,
+ postgres_version => $postgres_version,
+ type_defs => \@type_defs,
+ type_drops => \@type_drops,
constraint_defs => \@constraint_defs,});
}
push @fks, @$fks;
}
+
+ my $temporary = "";
+
+ if(exists $table->{extra}{temporary}) {
+ $temporary = $table->{extra}{temporary} ? "TEMPORARY " : "";
+ }
+
my $create_statement;
$create_statement = join("\n", @comments);
- $create_statement .= qq[DROP TABLE $qt$table_name_ur$qt CASCADE;\n]
- if $add_drop_table;
- $create_statement .= qq[CREATE TABLE $qt$table_name_ur$qt (\n].
+ if ($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 && scalar @type_drops;
+ } 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 && scalar @type_defs;
+ $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 $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(
- $field->name, '', $field_name_scope{$table_name}, 1
- );
+ my $field_name = $field->name;
my $field_name_ur = $qf ? $field_name : unreserve($field_name, $table_name );
$field->name($field_name_ur);
my $field_comments = $field->comments
my $list = $extra{'list'} || [];
# todo deal with embedded quotes
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
+ # 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,
+ $default,
+ [
+ 'NULL' => \'NULL',
+ 'now()' => 'now()',
+ 'CURRENT_TIMESTAMP' => 'CURRENT_TIMESTAMP',
+ ],
+ );
}
#
}
}
-{
- my %used_index_names;
-
sub create_index
{
my ($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;
$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 {
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 =
$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.')';
}
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( ' ', $c->on_update );
}
- push @fks, "$def;";
+ if ( $c->deferrable ) {
+ $def .= ' DEFERRABLE';
+ }
+
+ push @fks, "$def";
}
return \@constraint_defs, \@fks;
}
-}
sub convert_datatype
{
# $len = ($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';
}
$data_type;
}
- if ( $data_type =~ /timestamp/i ) {
+ if ( $data_type =~ /^time/i || $data_type =~ /^interval/i ) {
if ( defined $size[0] && $size[0] > 6 ) {
$size[0] = 6;
}
}
}
- if ( defined $size[0] && $size[0] > 0 ) {
- $data_type .= '(' . join( ',', @size ) . ')';
- }
- elsif (defined $size[0] && $data_type eq 'timestamp' ) {
- $data_type .= '(' . join( ',', @size ) . ')';
+ if (defined $size[0] && $size[0] > 0 && $data_type =~ /^time/i ) {
+ $data_type =~ s/^(time.*?)( with.*)?$/$1($size[0])/;
+ $data_type .= $2 if(defined $2);
+ } elsif ( defined $size[0] && $size[0] > 0 ) {
+ $data_type .= '(' . join( ',', @size ) . ')';
}
+
return $data_type;
if($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);
+ push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s DROP NOT NULL',
+ $to_field->table->name,
+ $to_field->name)
+ if ( !$from_field->is_nullable and $to_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;
+ my $default_value = $to_field->default_value;
+
+ # fixes bug where output like this was created:
+ # ALTER TABLE users ALTER COLUMN column SET DEFAULT ThisIsUnescaped;
+ if(ref $default_value eq "SCALAR" ) {
+ $default_value = $$default_value;
+ } elsif( defined $default_value && $to_dt =~ /^(character|text)/xsmi ) {
+ $default_value =~ s/'/''/xsmg;
+ $default_value = q(') . $default_value . q(');
+ }
+
+ 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);
+ $default_value)
+ if ( defined $new_default &&
+ (!defined $old_default || $old_default ne $new_default) );
- return wantarray ? @out : join("\n", @out);
+ # fixes bug where removing the DEFAULT statement of a column
+ # would result in no change
+
+ push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s DROP DEFAULT',
+ $to_field->table->name,
+ $to_field->name)
+ if ( !defined $new_default && defined $old_default );
+
+ return wantarray ? @out : join("\n", @out);
}
+sub rename_field { alter_field(@_) }
+
sub add_field
{
my ($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 = $options->{quote_table_names} || '';
+ my ($defs, $fks) = create_constraint(@_);
+
+ # return if there are no constraint definitions so we don't run
+ # into output like this:
+ # ALTER TABLE users ADD ;
+
+ return unless(@{$defs} || @{$fks});
+ return $index->type eq FOREIGN_KEY ? join(q{}, @{$fks})
+ : join( ' ', 'ALTER TABLE', $qt.$index->table->name.$qt,
+ 'ADD', join(q{}, @{$defs}, @{$fks})
+ );
+}
+
+sub drop_table {
+ my ($table, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ return "DROP TABLE $qt$table$qt CASCADE";
+}
+
1;
# -------------------------------------------------------------------
projects / dbsrgits/SQL-Translator.git / blobdiff