package SQL::Translator::Producer::PostgreSQL;
# -------------------------------------------------------------------
-# $Id: PostgreSQL.pm,v 1.8 2003-04-25 11:47:25 dlc Exp $
+# $Id: PostgreSQL.pm,v 1.9 2003-06-09 01:59:21 kycl4rk Exp $
# -------------------------------------------------------------------
# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>,
# darren chamberlain <darren@cpan.org>,
use strict;
use vars qw[ $DEBUG $WARN $VERSION ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.8 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.9 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 1 unless defined $DEBUG;
+use SQL::Translator::Schema::Constants;
use SQL::Translator::Utils qw(header_comment);
use Data::Dumper;
$WARN = $translator->show_warnings;
my $no_comments = $translator->no_comments;
my $add_drop_table = $translator->add_drop_table;
+ my $schema = $translator->schema;
my $output;
$output .= header_comment unless ($no_comments);
- for my $table (
- map { $_->[1] }
- sort { $a->[0] <=> $b->[0] }
- map { [ $_->{'order'}, $_ ] }
- values %$data
- ) {
- my $table_name = $table->{'table_name'};
+ for my $table ( $schema->get_tables ) {
+ my $table_name = $table->name or next;
$table_name = mk_name( $table_name, '', undef, 1 );
my $table_name_ur = unreserve($table_name);
- my ( @comments, @field_decs, @sequence_decs, @constraints );
+ my ( @comments, @field_defs, @sequence_defs, @constraint_defs );
push @comments, "--\n-- Table: $table_name_ur\n--" unless $no_comments;
# Fields
#
my %field_name_scope;
- for my $field (
- map { $_->[1] }
- sort { $a->[0] <=> $b->[0] }
- map { [ $_->{'order'}, $_ ] }
- values %{ $table->{'fields'} }
- ) {
+ for my $field ( $table->get_fields ) {
my $field_name = mk_name(
- $field->{'name'}, '', \%field_name_scope, 1
+ $field->name, '', \%field_name_scope, 1
);
my $field_name_ur = unreserve( $field_name, $table_name );
- my $field_str = qq["$field_name_ur"];
+ my $field_def = qq["$field_name_ur"];
#
# Datatype
#
- my $data_type = lc $field->{'data_type'};
- my $list = $field->{'list'} || [];
+ my @size = $field->size;
+ my $data_type = lc $field->data_type;
+ my %extra = $field->extra;
+ my $list = $extra{'list'} || [];
my $commalist = join ",", @$list;
my $seq_name;
my $len = 0;
$len = ($len < length($_)) ? length($_) : $len for (@$list);
my $check_name = mk_name( $table_name.'_'.$field_name, 'chk' );
- push @constraints,
+ push @constraint_defs,
"CONSTRAINT $check_name CHECK ($field_name IN ($commalist))";
- $field_str .= " character varying($len)";
+ $data_type = 'character varying';
}
elsif ( $data_type eq 'set' ) {
# XXX add a CHECK constraint maybe
# (trickier and slower, than enum :)
- my $len = length $commalist;
- $field_str .= " character varying($len) /* set $commalist */";
+# my $len = length $commalist;
+# $field_def .= " character varying($len) /* set $commalist */";
+ $data_type = 'character varying';
}
- elsif ( $field->{'is_auto_inc'} ) {
- $field_str .= ' serial';
- $seq_name = mk_name( $table_name.'_'.$field_name, 'sq' );
- push @sequence_decs, qq[DROP SEQUENCE "$seq_name";];
- push @sequence_decs, qq[CREATE SEQUENCE "$seq_name";];
+ elsif ( $field->is_auto_increment ) {
+ $field_def .= ' serial';
+# $seq_name = mk_name( $table_name.'_'.$field_name, 'sq' );
+# push @sequence_defs, qq[DROP SEQUENCE "$seq_name";];
+# push @sequence_defs, qq[CREATE SEQUENCE "$seq_name";];
}
else {
$data_type = defined $translate{ $data_type } ?
$translate{ $data_type } :
die "Unknown datatype: $data_type\n";
- $field_str .= ' '.$data_type;
- if ( $data_type =~ /(char|varbit|numeric|decimal)/i ) {
- $field_str .= '('.join(',', @{ $field->{'size'} }).')'
- if @{ $field->{'size'} || [] };
- }
+ }
+
+ $field_def .= " $data_type";
+
+ if ( defined $size[0] && $size[0] > 0 ) {
+ $field_def .= '(' . join( ', ', @size ) . ')';
}
#
# Default value
#
- if ( defined $field->{'default'} ) {
- $field_str .= sprintf( ' DEFAULT %s',
- ( $field->{'is_auto_inc'} && $seq_name )
+ my $default = $field->default_value;
+ if ( defined $default ) {
+ $field_def .= sprintf( ' DEFAULT %s',
+ ( $field->is_auto_increment && $seq_name )
? qq[nextval('"$seq_name"'::text)] :
- ( $field->{'default'} =~ m/null/i )
- ? 'NULL' :
- "'".$field->{'default'}."'"
+ ( $default =~ m/null/i ) ? 'NULL' : "'$default'"
);
}
#
# Not null constraint
#
- unless ( $field->{'null'} ) {
- my $constraint_name = mk_name($field_name_ur, 'nn');
-# $field_str .= ' CONSTRAINT '.$constraint_name.' NOT NULL';
- $field_str .= ' NOT NULL';
- }
-
- #
- # Primary key
- #
-# if ( $field->{'is_primary_key'} ) {
-# my $constraint_name = mk_name($field_name_ur, 'pk');
-# $field_str .= ' CONSTRAINT '.$constraint_name.' PRIMARY KEY';
-# }
+ $field_def .= ' NOT NULL' unless $field->is_nullable;
- push @field_decs, $field_str;
+ push @field_defs, $field_def;
}
#
# Index Declarations
#
- my @index_decs = ();
+ my @index_defs = ();
my $idx_name_default;
- for my $index ( @{ $table->{'indices'} } ) {
- my $index_name = $index->{'name'} || '';
- my $index_type = $index->{'type'} || 'normal';
+ for my $index ( $table->get_indices ) {
+ my $name = $index->name || '';
+ my $type = $index->type || NORMAL;
my @fields =
map { $_ =~ s/\(.+\)//; $_ }
map { unreserve( $_, $table_name ) }
- @{ $index->{'fields'} };
+ $index->fields;
next unless @fields;
- if ( $index_type eq 'primary_key' ) {
- $index_name = mk_name( $table_name, 'pk' );
- push @constraints, 'CONSTRAINT '.$index_name.' PRIMARY KEY '.
+ if ( $type eq PRIMARY_KEY ) {
+ $name ||= mk_name( $table_name, 'pk' );
+ push @constraint_defs, 'CONSTRAINT '.$name.' PRIMARY KEY '.
'(' . join( ', ', @fields ) . ')';
}
- elsif ( $index_type eq 'unique' ) {
- $index_name = mk_name(
- $table_name, $index_name || ++$idx_name_default
+ elsif ( $type eq UNIQUE ) {
+ $name ||= mk_name(
+ $table_name, $name || ++$idx_name_default
);
- push @constraints, 'CONSTRAINT ' . $index_name . ' UNIQUE ' .
+ push @constraint_defs, 'CONSTRAINT ' . $name . ' UNIQUE ' .
'(' . join( ', ', @fields ) . ')';
}
- elsif ( $index_type eq 'normal' ) {
- $index_name = mk_name(
- $table_name, $index_name || ++$idx_name_default
+ elsif ( $type eq NORMAL ) {
+ $name ||= mk_name(
+ $table_name, $name || ++$idx_name_default
);
- push @index_decs,
- qq[CREATE INDEX "$index_name" on $table_name_ur (].
+ push @index_defs,
+ qq[CREATE INDEX "$name" on $table_name_ur (].
join( ', ', @fields ).
');';
}
else {
- warn "Unknown index type ($index_type) on table $table_name.\n"
+ warn "Unknown index type ($type) on table $table_name.\n"
if $WARN;
}
}
+ #
+ # Table constraints
+ #
+ my $c_name_default;
+ for my $c ( $table->get_constraints ) {
+ my $name = $c->name || '';
+ my @fields =
+ map { $_ =~ s/\(.+\)//; $_ }
+ map { unreserve( $_, $table_name ) }
+ $c->fields;
+ my @rfields =
+ map { $_ =~ s/\(.+\)//; $_ }
+ map { unreserve( $_, $table_name ) }
+ $c->reference_fields;
+ next unless @fields;
+
+ if ( $c->type eq PRIMARY_KEY ) {
+ $name ||= mk_name( $table_name, 'pk' );
+ push @constraint_defs, "CONSTRAINT $name PRIMARY KEY ".
+ '(' . join( ', ', @fields ) . ')';
+ }
+ elsif ( $c->type eq UNIQUE ) {
+ $name ||= mk_name(
+ $table_name, $name || ++$c_name_default
+ );
+ push @constraint_defs, "CONSTRAINT $name UNIQUE " .
+ '(' . join( ', ', @fields ) . ')';
+ }
+ elsif ( $c->type eq FOREIGN_KEY ) {
+ my $def = join(' ',
+ map { $_ || () } 'FOREIGN KEY', $c->name
+ );
+
+ $def .= ' (' . join( ', ', @fields ) . ')';
+
+ $def .= ' REFERENCES ' . $c->reference_table;
+
+ if ( @rfields ) {
+ $def .= ' (' . join( ', ', @rfields ) . ')';
+ }
+
+ if ( $c->match_type ) {
+ $def .= ' MATCH ' .
+ ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL';
+ }
+
+ if ( $c->on_delete ) {
+ $def .= ' ON DELETE '.join( ' ', $c->on_delete );
+ }
+
+ if ( $c->on_update ) {
+ $def .= ' ON UPDATE '.join( ' ', $c->on_update );
+ }
+
+ push @constraint_defs, $def;
+ }
+ }
+
my $create_statement;
$create_statement = qq[DROP TABLE "$table_name_ur";\n]
if $add_drop_table;
$create_statement .= qq[CREATE TABLE "$table_name_ur" (\n].
- join( ",\n", map { " $_" } @field_decs, @constraints ).
+ join( ",\n", map { " $_" } @field_defs, @constraint_defs ).
"\n);"
;
$output .= join( "\n\n",
@comments,
- @sequence_decs,
+ @sequence_defs,
$create_statement,
- @index_decs,
+ @index_defs,
''
);
}
# -------------------------------------------------------------------
sub mk_name {
- my ($basename, $type, $scope, $critical) = @_;
+ my $basename = shift || '';
+ my $type = shift || '';
+ my $scope = shift || '';
+ my $critical = shift || '';
my $basename_orig = $basename;
my $max_name = $type
? $max_id_length - (length($type) + 1)
# -------------------------------------------------------------------
sub unreserve {
- my ( $name, $schema_obj_name ) = @_;
+ my $name = shift || '';
+ my $schema_obj_name = shift || '';
+
my ( $suffix ) = ( $name =~ s/(\W.*)$// ) ? $1 : '';
# also trap fields that don't begin with a letter
- return $_[0] if !$reserved{ uc $name } && $name =~ /^[a-z]/i;
+ return $name if !$reserved{ uc $name } && $name =~ /^[a-z]/i;
if ( $schema_obj_name ) {
++$unreserve{"$schema_obj_name.$name"};
projects / dbsrgits/SQL-Translator.git / blobdiff