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
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; version 2.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-# 02111-1307 USA
-# -------------------------------------------------------------------
-
=head1 NAME
SQL::Translator::Producer::PostgreSQL - PostgreSQL producer for SQL::Translator
Creates a DDL suitable for PostgreSQL. Very heavily based on the Oracle
producer.
+Now handles PostGIS Geometry and Geography data types on table definitions.
+Does not yet support PostGIS Views.
+
=cut
use strict;
use warnings;
-use vars qw[ $DEBUG $WARN $VERSION %used_names ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.29 $ =~ /(\d+)\.(\d+)/;
+our ( $DEBUG, $WARN );
+our $VERSION = '1.59';
$DEBUG = 0 unless defined $DEBUG;
+use base qw(SQL::Translator::Producer);
use SQL::Translator::Schema::Constants;
-use SQL::Translator::Utils qw(debug header_comment);
+use SQL::Translator::Utils qw(debug header_comment parse_dbms_version batch_alter_table_statements);
+use SQL::Translator::Generator::DDL::PostgreSQL;
use Data::Dumper;
-my %translate;
+my $generator = SQL::Translator::Generator::DDL::PostgreSQL->new;
+
+my ( %translate, %index_name );
my $max_id_length;
BEGIN {
$max_id_length = 62;
}
my %reserved = map { $_, 1 } qw[
- ALL ANALYSE ANALYZE AND ANY AS ASC
+ ALL ANALYSE ANALYZE AND ANY AS ASC
BETWEEN BINARY BOTH
CASE CAST CHECK COLLATE COLUMN CONSTRAINT CROSS
- CURRENT_DATE CURRENT_TIME CURRENT_TIMESTAMP CURRENT_USER
+ CURRENT_DATE CURRENT_TIME CURRENT_TIMESTAMP CURRENT_USER
DEFAULT DEFERRABLE DESC DISTINCT DO
ELSE END EXCEPT
- FALSE FOR FOREIGN FREEZE FROM FULL
- GROUP HAVING
- ILIKE IN INITIALLY INNER INTERSECT INTO IS ISNULL
- JOIN LEADING LEFT LIKE LIMIT
+ FALSE FOR FOREIGN FREEZE FROM FULL
+ GROUP HAVING
+ ILIKE IN INITIALLY INNER INTERSECT INTO IS ISNULL
+ JOIN LEADING LEFT LIKE LIMIT
NATURAL NEW NOT NOTNULL NULL
OFF OFFSET OLD ON ONLY OR ORDER OUTER OVERLAPS
- PRIMARY PUBLIC REFERENCES RIGHT
- SELECT SESSION_USER SOME TABLE THEN TO TRAILING TRUE
+ PRIMARY PUBLIC REFERENCES RIGHT
+ SELECT SESSION_USER SOME TABLE THEN TO TRAILING TRUE
UNION UNIQUE USER USING VERBOSE WHEN WHERE
];
# my $max_id_length = 62;
my %used_identifiers = ();
my %global_names;
-my %unreserve;
my %truncated;
=pod
=cut
-# -------------------------------------------------------------------
sub produce {
- my $translator = shift;
- 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 $translator = shift;
+ 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;
+ my $postgres_version = parse_dbms_version(
+ $pargs->{postgres_version}, 'perl'
+ );
+
+ my $qt = $translator->quote_table_names ? q{"} : q{};
+ my $qf = $translator->quote_field_names ? q{"} : q{};
+ $generator->quote_chars([$qt]);
+
+ my @output;
+ push @output, header_comment unless ($no_comments);
my (@table_defs, @fks);
+ my %type_defs;
for my $table ( $schema->get_tables ) {
- my ($table_def, $fks) = create_table($table,
- { quote_table_names => $qt,
- quote_field_names => $qf,
- no_comments => $no_comments,
- postgres_version => $postgres_version,
- add_drop_table => $add_drop_table,});
+ my ($table_def, $fks) = create_table($table, {
+ quote_table_names => $qt,
+ quote_field_names => $qf,
+ no_comments => $no_comments,
+ postgres_version => $postgres_version,
+ add_drop_table => $add_drop_table,
+ type_defs => \%type_defs,
+ });
+
push @table_defs, $table_def;
push @fks, @$fks;
-
}
for my $view ( $schema->get_views ) {
push @table_defs, create_view($view, {
+ postgres_version => $postgres_version,
add_drop_view => $add_drop_table,
quote_table_names => $qt,
quote_field_names => $qf,
});
}
- $output = join("\n\n", @table_defs);
+ for my $trigger ( $schema->get_triggers ) {
+ push @table_defs, create_trigger( $trigger, {
+ add_drop_trigger => $add_drop_table,
+ no_comments => $no_comments,
+ });
+ }
+
+ push @output, map { "$_;\n\n" } values %type_defs;
+ 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 ) {
warn "Truncated " . keys( %truncated ) . " names:\n";
warn "\t" . join( "\n\t", sort keys %truncated ) . "\n";
}
-
- if ( %unreserve ) {
- warn "Encounted " . keys( %unreserve ) .
- " unsafe names in schema (reserved or invalid):\n";
- warn "\t" . join( "\n\t", sort keys %unreserve ) . "\n";
- }
}
- return $output;
+ return wantarray
+ ? @output
+ : join ('', @output);
}
-# -------------------------------------------------------------------
sub mk_name {
- my $basename = shift || '';
- my $type = shift || '';
- my $scope = shift || '';
+ my $basename = shift || '';
+ my $type = shift || '';
+ my $scope = shift || '';
my $critical = shift || '';
my $basename_orig = $basename;
# my $max_id_length = 62;
- my $max_name = $type
- ? $max_id_length - (length($type) + 1)
+ my $max_name = $type
+ ? $max_id_length - (length($type) + 1)
: $max_id_length;
- $basename = substr( $basename, 0, $max_name )
+ $basename = substr( $basename, 0, $max_name )
if length( $basename ) > $max_name;
my $name = $type ? "${type}_$basename" : $basename;
if ( my $prev = $scope->{ $name } ) {
my $name_orig = $name;
$name .= sprintf( "%02d", ++$prev );
- substr($name, $max_id_length - 3) = "00"
+ substr($name, $max_id_length - 3) = "00"
if length( $name ) > $max_id_length;
warn "The name '$name_orig' has been changed to ",
return $name;
}
-# -------------------------------------------------------------------
-sub unreserve {
- 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 $name if (!$reserved{ uc $name }) && $name =~ /^[a-z]/i;
-
- if ( $schema_obj_name ) {
- ++$unreserve{"$schema_obj_name.$name"};
- }
- else {
- ++$unreserve{"$name (table name)"};
- }
-
- my $unreserve = sprintf '%s_', $name;
- return $unreserve.$suffix;
+sub is_geometry
+{
+ my $field = shift;
+ return 1 if $field->data_type eq 'geometry';
}
-# -------------------------------------------------------------------
-sub next_unused_name {
- my $name = shift || '';
- if ( !defined( $used_names{$name} ) ) {
- $used_names{$name} = $name;
- return $name;
- }
-
- my $i = 2;
- while ( defined( $used_names{ $name . $i } ) ) {
- ++$i;
- }
- $name .= $i;
- $used_names{$name} = $name;
- return $name;
+sub is_geography
+{
+ my $field = shift;
+ return 1 if $field->data_type eq 'geography';
}
-
-sub create_table
+sub create_table
{
my ($table, $options) = @_;
my $qt = $options->{quote_table_names} || '';
my $qf = $options->{quote_field_names} || '';
+ $generator->quote_chars([$qt]);
my $no_comments = $options->{no_comments} || 0;
my $add_drop_table = $options->{add_drop_table} || 0;
my $postgres_version = $options->{postgres_version} || 0;
+ my $type_defs = $options->{type_defs} || {};
- 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);
- $table->name($table_name_ur);
+ my $table_name = $table->name or next;
+ my ( $fql_tbl_name ) = ( $table_name =~ s/\W(.*)$// ) ? $1 : q{};
+ my $table_name_ur = $qt ? join('.', $table_name, $fql_tbl_name)
+ : $fql_tbl_name ? join('.', $table_name, $fql_tbl_name)
+ : $table_name;
# print STDERR "$table_name table_name\n";
- my ( @comments, @field_defs, @sequence_defs, @constraint_defs, @type_defs, @type_drops, @fks );
+ my ( @comments, @field_defs, @sequence_defs, @constraint_defs, @fks );
push @comments, "--\n-- Table: $table_name_ur\n--\n" unless $no_comments;
quote_field_names => $qf,
table_name => $table_name_ur,
postgres_version => $postgres_version,
- type_defs => \@type_defs,
- type_drops => \@type_drops,
+ type_defs => $type_defs,
constraint_defs => \@constraint_defs,});
}
# my $idx_name_default;
for my $index ( $table->get_indices ) {
my ($idef, $constraints) = create_index($index,
- {
+ {
quote_field_names => $qf,
quote_table_names => $qt,
table_name => $table_name,
#
my $c_name_default;
for my $c ( $table->get_constraints ) {
- my ($cdefs, $fks) = create_constraint($c,
- {
+ my ($cdefs, $fks) = create_constraint($c,
+ {
quote_field_names => $qf,
quote_table_names => $qt,
table_name => $table_name,
push @fks, @$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) {
- 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 $postgres_version >= 8.3;
+ if ($postgres_version >= 8.002) {
+ $create_statement .= 'DROP TABLE IF EXISTS ' . $generator->quote($table_name_ur) . " CASCADE;\n";
} else {
- $create_statement .= qq[DROP TABLE $qt$table_name_ur$qt CASCADE;\n];
+ $create_statement .= 'DROP TABLE ' . $generator->quote($table_name_ur) . " 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].
+ $create_statement .= "CREATE ${temporary}TABLE " . $generator->quote($table_name_ur) . " (\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);
+
+ #
+ # Geometry
+ #
+ if(grep { is_geometry($_) } $table->get_fields){
+ $create_statement .= ";";
+ my @geometry_columns;
+ foreach my $col ($table->get_fields) { push(@geometry_columns,$col) if is_geometry($col); }
+ $create_statement .= "\n".join("\n", map{ drop_geometry_column($_) } @geometry_columns) if $options->{add_drop_table};
+ $create_statement .= "\n".join("\n", map{ add_geometry_column($_) } @geometry_columns);
+ }
- $create_statement .= "\n" . join("\n", @index_defs) . "\n";
-
return $create_statement, \@fks;
}
my ($view, $options) = @_;
my $qt = $options->{quote_table_names} || '';
my $qf = $options->{quote_field_names} || '';
+ $generator->quote_chars([$qt]);
+ my $postgres_version = $options->{postgres_version} || 0;
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"
+ $create .= "--\n-- View: " . $generator->quote($view_name) . "\n--\n"
unless $options->{no_comments};
- $create .= "DROP VIEW ${qt}${view_name}${qt};\n" if $add_drop_view;
+ if ($add_drop_view) {
+ if ($postgres_version >= 8.002) {
+ $create .= "DROP VIEW IF EXISTS " . $generator->quote($view_name) . ";\n";
+ } else {
+ $create .= "DROP VIEW " . $generator->quote($view_name) . ";\n";
+ }
+ }
$create .= 'CREATE';
my $extra = $view->extra;
$create .= " TEMPORARY" if exists($extra->{temporary}) && $extra->{temporary};
- $create .= " VIEW ${qt}${view_name}${qt}";
+ $create .= " VIEW " . $generator->quote($view_name);
if ( my @fields = $view->fields ) {
- my $field_list = join ', ', map { "${qf}${_}${qf}" } @fields;
+ my $field_list = join ', ', map { $generator->quote($_) } @fields;
$create .= " ( ${field_list} )";
}
if ( my $sql = $view->sql ) {
- $create .= " AS (\n ${sql}\n )";
+ $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 $qt = $options->{quote_table_names} || '';
my $qf = $options->{quote_field_names} || '';
+ $generator->quote_chars([$qt]);
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} || [];
+ my $type_defs = $options->{type_defs} || {};
$field_name_scope{$table_name} ||= {};
- my $field_name = mk_name(
- $field->name, '', $field_name_scope{$table_name}, 1
- );
- my $field_name_ur = $qf ? $field_name : unreserve($field_name, $table_name );
- $field->name($field_name_ur);
- my $field_comments = $field->comments
- ? "-- " . $field->comments . "\n "
+ my $field_name = $field->name;
+ my $field_comments = $field->comments
+ ? "-- " . $field->comments . "\n "
: '';
- my $field_def = $field_comments.qq[$qf$field_name_ur$qf];
+ my $field_def = $field_comments . $generator->quote($field_name);
#
# Datatype
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 . '_' . $field->name . '_type';
+ if ($postgres_version >= 8.003 && $field->data_type eq 'enum') {
+ my $type_name = $extra{'custom_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;";
+ my $new_type_def = "DROP TYPE IF EXISTS $type_name CASCADE;\n" .
+ "CREATE TYPE $type_name AS ENUM ($commalist)";
+ if (! exists $type_defs->{$type_name} ) {
+ $type_defs->{$type_name} = $new_type_def;
+ } elsif ( $type_defs->{$type_name} ne $new_type_def ) {
+ die "Attempted to redefine type name '$type_name' as a different type.\n";
+ }
} 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,
+ \$field_def,
+ [
+ 'NULL' => \'NULL',
+ 'now()' => 'now()',
+ 'CURRENT_TIMESTAMP' => 'CURRENT_TIMESTAMP',
+ ],
+ );
#
# Not null constraint
#
$field_def .= ' NOT NULL' unless $field->is_nullable;
+ #
+ # Geometry constraints
+ #
+ if(is_geometry($field)){
+ foreach ( create_geometry_constraints($field) ) {
+ my ($cdefs, $fks) = create_constraint($_,
+ {
+ quote_field_names => $qf,
+ quote_table_names => $qt,
+ table_name => $table_name,
+ });
+ push @$constraint_defs, @$cdefs;
+ push @$fks, @$fks;
+ }
+ }
+
return $field_def;
}
}
- sub create_index
- {
- my ($index, $options) = @_;
+sub create_geometry_constraints{
+ my $field = shift;
+
+ my @constraints;
+ push @constraints, SQL::Translator::Schema::Constraint->new(
+ name => "enforce_dims_".$field->name,
+ expression => "(ST_NDims($field) = ".$field->extra->{dimensions}.")",
+ table => $field->table,
+ type => CHECK_C,
+ );
+
+ push @constraints, SQL::Translator::Schema::Constraint->new(
+ name => "enforce_srid_".$field->name,
+ expression => "(ST_SRID($field) = ".$field->extra->{srid}.")",
+ table => $field->table,
+ type => CHECK_C,
+ );
+ push @constraints, SQL::Translator::Schema::Constraint->new(
+ name => "enforce_geotype_".$field->name,
+ expression => "(GeometryType($field) = '".$field->extra->{geometry_type}."'::text OR $field IS NULL)",
+ table => $field->table,
+ type => CHECK_C,
+ );
+
+ return @constraints;
+}
- my $qt = $options->{quote_table_names} ||'';
- my $qf = $options->{quote_field_names} ||'';
- my $table_name = $index->table->name;
-# my $table_name_ur = $qt ? unreserve($table_name) : $table_name;
+sub create_index
+{
+ my ($index, $options) = @_;
- my ($index_def, @constraint_defs);
+ my $qt = $options->{quote_table_names} ||'';
+ my $qf = $options->{quote_field_names} ||'';
+ $generator->quote_chars([$qt]);
+ my $table_name = $index->table->name;
- my $name = $index->name || '';
- if ( $name ) {
- $name = next_unused_name($name);
- }
+ my ($index_def, @constraint_defs);
- my $type = $index->type || NORMAL;
- my @fields =
- map { $_ =~ s/\(.+\)//; $_ }
- map { $qt ? $_ : unreserve($_, $table_name ) }
- $index->fields;
- next unless @fields;
-
- my $def_start = qq[Constraint "$name" ];
- if ( $type eq PRIMARY_KEY ) {
- push @constraint_defs, "${def_start}PRIMARY KEY ".
- '(' .$qf . join( $qf. ', '.$qf, @fields ) . $qf . ')';
- }
- elsif ( $type eq UNIQUE ) {
- push @constraint_defs, "${def_start}UNIQUE " .
- '(' . $qf . join( $qf. ', '.$qf, @fields ) . $qf.')';
- }
- elsif ( $type eq NORMAL ) {
- $index_def =
- "CREATE INDEX ${qf}${name}${qf} on ${qt}${table_name}${qt} (".
- join( ', ', map { qq[$qf$_$qf] } @fields ).
- ');'
- ;
- }
- else {
- warn "Unknown index type ($type) on table $table_name.\n"
- if $WARN;
- }
+ my $name
+ = $index->name
+ || join('_', $table_name, 'idx', ++$index_name{ $table_name });
+
+ my $type = $index->type || NORMAL;
+ my @fields = $index->fields;
+ return unless @fields;
- return $index_def, \@constraint_defs;
+ my $def_start = 'CONSTRAINT ' . $generator->quote($name) . ' ';
+ my $field_names = '(' . join(", ", (map { $_ =~ /\(.*\)/ ? $_ : ( $generator->quote($_) ) } @fields)) . ')';
+ if ( $type eq PRIMARY_KEY ) {
+ push @constraint_defs, "${def_start}PRIMARY KEY ".$field_names;
+ }
+ elsif ( $type eq UNIQUE ) {
+ push @constraint_defs, "${def_start}UNIQUE " .$field_names;
+ }
+ elsif ( $type eq NORMAL ) {
+ $index_def =
+ 'CREATE INDEX ' . $generator->quote($name) . ' on ' . $generator->quote($table_name) . ' ' . $field_names
+ ;
+ }
+ else {
+ warn "Unknown index type ($type) on table $table_name.\n"
+ if $WARN;
}
- sub create_constraint
- {
- my ($c, $options) = @_;
+ return $index_def, \@constraint_defs;
+}
+
+sub create_constraint
+{
+ my ($c, $options) = @_;
- my $qf = $options->{quote_field_names} ||'';
- my $qt = $options->{quote_table_names} ||'';
- my $table_name = $c->table->name;
- my (@constraint_defs, @fks);
+ my $qf = $options->{quote_field_names} ||'';
+ my $qt = $options->{quote_table_names} ||'';
+ $generator->quote_chars([$qt]);
+ my $table_name = $c->table->name;
+ my (@constraint_defs, @fks);
- my $name = $c->name || '';
- if ( $name ) {
- $name = next_unused_name($name);
+ my $name = $c->name || '';
+
+ my @fields = grep { defined } $c->fields;
+
+ my @rfields = grep { defined } $c->reference_fields;
+
+ next if !@fields && $c->type ne CHECK_C;
+ my $def_start = $name ? 'CONSTRAINT ' . $generator->quote($name) . ' ' : '';
+ my $field_names = '(' . join(", ", (map { $_ =~ /\(.*\)/ ? $_ : ( $generator->quote($_) ) } @fields)) . ')';
+ if ( $c->type eq PRIMARY_KEY ) {
+ push @constraint_defs, "${def_start}PRIMARY KEY ".$field_names;
+ }
+ elsif ( $c->type eq UNIQUE ) {
+ push @constraint_defs, "${def_start}UNIQUE " .$field_names;
+ }
+ elsif ( $c->type eq CHECK_C ) {
+ my $expression = $c->expression;
+ push @constraint_defs, "${def_start}CHECK ($expression)";
+ }
+ elsif ( $c->type eq FOREIGN_KEY ) {
+ my $def .= "ALTER TABLE " . $generator->quote($table_name) . " ADD ${def_start}FOREIGN KEY $field_names"
+ . "\n REFERENCES " . $generator->quote($c->reference_table);
+
+ if ( @rfields ) {
+ $def .= ' (' . join( ', ', map { $generator->quote($_) } @rfields ) . ')';
}
- my @fields =
- map { $_ =~ s/\(.+\)//; $_ }
- map { $qt ? $_ : unreserve( $_, $table_name )}
- $c->fields;
-
- my @rfields =
- map { $_ =~ s/\(.+\)//; $_ }
- map { $qt ? $_ : unreserve( $_, $table_name )}
- $c->reference_fields;
-
- next if !@fields && $c->type ne CHECK_C;
- 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.')';
+ if ( $c->match_type ) {
+ $def .= ' MATCH ' .
+ ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL';
}
- elsif ( $c->type eq UNIQUE ) {
- $name = next_unused_name($name);
- push @constraint_defs, "${def_start}UNIQUE " .
- '('.$qf . join( $qf.', '.$qf, @fields ) . $qf.')';
+
+ if ( $c->on_delete ) {
+ $def .= ' ON DELETE '. $c->on_delete;
}
- elsif ( $c->type eq CHECK_C ) {
- my $expression = $c->expression;
- push @constraint_defs, "${def_start}CHECK ($expression)";
+
+ if ( $c->on_update ) {
+ $def .= ' ON UPDATE '. $c->on_update;
}
- elsif ( $c->type eq FOREIGN_KEY ) {
- my $def .= "ALTER TABLE ${qt}${table_name}${qt} ADD FOREIGN KEY (" .
- join( ', ', map { qq[$qf$_$qf] } @fields ) . ')' .
- "\n REFERENCES " . $qt . $c->reference_table . $qt;
- if ( @rfields ) {
- $def .= ' ('.$qf . join( $qf.', '.$qf, @rfields ) . $qf.')';
- }
+ if ( $c->deferrable ) {
+ $def .= ' DEFERRABLE';
+ }
- if ( $c->match_type ) {
- $def .= ' MATCH ' .
- ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL';
- }
+ push @fks, "$def";
+ }
- if ( $c->on_delete ) {
- $def .= ' ON DELETE '.join( ' ', $c->on_delete );
- }
+ return \@constraint_defs, \@fks;
+}
- if ( $c->on_update ) {
- $def .= ' ON UPDATE '.join( ' ', $c->on_update );
- }
+sub create_trigger {
+ my ($trigger,$options) = @_;
- if ( $c->deferrable ) {
- $def .= ' DEFERRABLE';
- }
+ my @statements;
- push @fks, "$def;";
- }
+ push @statements, sprintf( 'DROP TRIGGER IF EXISTS %s', $trigger->name )
+ if $options->{add_drop_trigger};
- return \@constraint_defs, \@fks;
- }
+ my $scope = $trigger->scope || '';
+ $scope = " FOR EACH $scope" if $scope;
+
+ push @statements, sprintf(
+ 'CREATE TRIGGER %s %s %s ON %s%s %s',
+ $trigger->name,
+ $trigger->perform_action_when,
+ join( ' OR ', @{ $trigger->database_events } ),
+ $trigger->on_table,
+ $scope,
+ $trigger->action,
+ );
+
+ return @statements;
+}
sub convert_datatype
{
my @size = $field->size;
my $data_type = lc $field->data_type;
+ my $array = $data_type =~ s/\[\]$//;
if ( $data_type eq 'enum' ) {
# my $len = 0;
# $len = ($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$qf ].
+# push @$constraint_defs,
+# 'CONSTRAINT "$chk_name" CHECK (' . $generator->quote(field_name) .
# qq[IN ($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;
}
$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;
- }
+
+ my $type_with_size = join('|',
+ 'bit', 'varbit', 'character', 'bit varying', 'character varying',
+ 'time', 'timestamp', 'interval', 'numeric'
+ );
+
+ if ( $data_type !~ /$type_with_size/ ) {
+ @size = ();
}
- if ( defined $size[0] && $size[0] > 0 ) {
+ 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 ) . ')';
}
- elsif (defined $size[0] && $data_type eq 'timestamp' ) {
- $data_type .= '(' . join( ',', @size ) . ')';
+ if($array)
+ {
+ $data_type .= '[]';
}
+ #
+ # Geography
+ #
+ if($data_type eq 'geography'){
+ $data_type .= '('.$field->extra->{geography_type}.','. $field->extra->{srid} .')'
+ }
return $data_type;
}
{
my ($from_field, $to_field) = @_;
- die "Can't alter field in another table"
+ die "Can't alter field in another table"
if($from_field->table->name ne $to_field->table->name);
my @out;
- push @out, sprintf('ALTER TABLE %s ALTER COLUMN %s SET NOT NULL;',
+
+ # drop geometry column and constraints
+ push @out, drop_geometry_column($from_field) if is_geometry($from_field);
+ push @out, drop_geometry_constraints($from_field) if is_geometry($from_field);
+
+ # it's necessary to start with rename column cause this would affect
+ # all of the following statements which would be broken if do the
+ # rename later
+ # BUT: drop geometry is done before the rename, cause it work's on the
+ # $from_field directly
+ 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 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;',
- $to_field->table->name,
- $from_field->name,
- $to_field->name) if($from_field->name ne $to_field->name);
+ 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;',
+ 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) );
+
+ # 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 $old_default );
+
+ # add geometry column and constraints
+ push @out, add_geometry_column($to_field) if is_geometry($to_field);
+ push @out, add_geometry_constraints($to_field) if is_geometry($to_field);
- return wantarray ? @out : join("\n", @out);
-
+ return wantarray ? @out : join(";\n", @out);
}
+sub rename_field { alter_field(@_) }
+
sub add_field
{
my ($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));
+ $out .= "\n".add_geometry_column($new_field) if is_geometry($new_field);
+ $out .= "\n".add_geometry_constraints($new_field) if is_geometry($new_field);
return $out;
}
sub drop_field
{
- my ($old_field) = @_;
+ my ($old_field, $options) = @_;
+
+ my $qt = $options->{quote_table_names} ||'';
+ my $qf = $options->{quote_field_names} ||'';
+ $generator->quote_chars([$qt]);
+
+ my $out = sprintf('ALTER TABLE %s DROP COLUMN %s',
+ $generator->quote($old_field->table->name),
+ $generator->quote($old_field->name));
+ $out .= "\n".drop_geometry_column($old_field) if is_geometry($old_field);
+ return $out;
+}
+
+sub add_geometry_column{
+ my ($field,$options) = @_;
+
+ my $out = sprintf("INSERT INTO geometry_columns VALUES ('%s','%s','%s','%s','%s','%s','%s')",
+ '',
+ $field->table->schema->name,
+ $options->{table} ? $options->{table} : $field->table->name,
+ $field->name,
+ $field->extra->{dimensions},
+ $field->extra->{srid},
+ $field->extra->{geometry_type});
+ return $out;
+}
+
+sub drop_geometry_column
+{
+ my $field = shift;
+
+ my $out = sprintf("DELETE FROM geometry_columns WHERE f_table_schema = '%s' AND f_table_name = '%s' AND f_geometry_column = '%s'",
+ $field->table->schema->name,
+ $field->table->name,
+ $field->name);
+ return $out;
+}
+
+sub add_geometry_constraints{
+ my $field = shift;
+
+ my @constraints = create_geometry_constraints($field);
- my $out = sprintf('ALTER TABLE %s DROP COLUMN %s;',
- $old_field->table->name,
- $old_field->name);
+ my $out = join("\n", map { alter_create_constraint($_); } @constraints);
+
+ return $out;
+}
+
+sub drop_geometry_constraints{
+ my $field = shift;
+
+ my @constraints = create_geometry_constraints($field);
+
+ my $out = join("\n", map { alter_drop_constraint($_); } @constraints);
+
+ return $out;
+}
+
+sub alter_table {
+ my ($to_table, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ $generator->quote_chars([$qt]);
+ my $out = sprintf('ALTER TABLE %s %s',
+ $generator->quote($to_table->name),
+ $options->{alter_table_action});
+ $out .= "\n".$options->{geometry_changes} if $options->{geometry_changes};
+ return $out;
+}
+
+sub rename_table {
+ my ($old_table, $new_table, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ $generator->quote_chars([$qt]);
+ $options->{alter_table_action} = "RENAME TO " . $generator->quote($new_table);
+
+ my @geometry_changes;
+ push @geometry_changes, map { drop_geometry_column($_); } grep { is_geometry($_) } $old_table->get_fields;
+ push @geometry_changes, map { add_geometry_column($_, { table => $new_table }); } grep { is_geometry($_) } $old_table->get_fields;
+
+ $options->{geometry_changes} = join ("\n",@geometry_changes) if scalar(@geometry_changes);
+
+ return alter_table($old_table, $options);
+}
+
+sub alter_create_index {
+ my ($index, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ my $qf = $options->{quote_field_names} || '';
+ $generator->quote_chars([$qt]);
+ 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',
+ $generator->quote($index->table->name),
+ 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} || '';
+ $generator->quote_chars([$qt]);
+
+ # attention: Postgres has a very special naming structure for naming
+ # foreign keys and primary keys. It names them using the name of the
+ # table as prefix and fkey or pkey as suffix, concatenated by an underscore
+ my $c_name;
+ if( $c->name ) {
+ # Already has a name, just quote it
+ $c_name = $qc . $c->name . $qc;
+ } elsif ( $c->type eq FOREIGN_KEY ) {
+ # Doesn't have a name, and is foreign key, append '_fkey'
+ $c_name = $qc . $c->table->name . '_' .
+ ($c->fields)[0] . '_fkey' . $qc;
+ } elsif ( $c->type eq PRIMARY_KEY ) {
+ # Doesn't have a name, and is primary key, append '_pkey'
+ $c_name = $qc . $c->table->name . '_pkey' . $qc;
+ }
+
+ return sprintf(
+ 'ALTER TABLE %s DROP CONSTRAINT %s',
+ $qt . $c->table->name . $qt, $c_name
+ );
+}
+
+sub alter_create_constraint {
+ my ($index, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ $generator->quote_chars([$qt]);
+ 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', $generator->quote($index->table->name),
+ 'ADD', join(q{}, @{$defs}, @{$fks})
+ );
+}
+
+sub drop_table {
+ my ($table, $options) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ $generator->quote_chars([$qt]);
+ my $out = "DROP TABLE " . $generator->quote($table) . " CASCADE";
+
+ my @geometry_drops = map { drop_geometry_column($_); } grep { is_geometry($_) } $table->get_fields;
+
+ $out .= "\n".join("\n",@geometry_drops) if scalar(@geometry_drops);
+ return $out;
+}
- return $out;
+sub batch_alter_table {
+ my ( $table, $diff_hash, $options ) = @_;
+ my $qt = $options->{quote_table_names} || '';
+ $generator->quote_chars([$qt]);
+
+ # as long as we're not renaming the table we don't need to be here
+ if ( @{$diff_hash->{rename_table}} == 0 ) {
+ return batch_alter_table_statements($diff_hash, $options);
+ }
+
+ # first we need to perform drops which are on old table
+ my @sql = batch_alter_table_statements($diff_hash, $options, qw(
+ alter_drop_constraint
+ alter_drop_index
+ drop_field
+ ));
+
+ # next comes the rename_table
+ my $old_table = $diff_hash->{rename_table}[0][0];
+ push @sql, rename_table( $old_table, $table, $options );
+
+ # for alter_field (and so also rename_field) we need to make sure old
+ # field has table name set to new table otherwise calling alter_field dies
+ $diff_hash->{alter_field} =
+ [map { $_->[0]->table($table) && $_ } @{$diff_hash->{alter_field}}];
+ $diff_hash->{rename_field} =
+ [map { $_->[0]->table($table) && $_ } @{$diff_hash->{rename_field}}];
+
+ # now add everything else
+ push @sql, batch_alter_table_statements($diff_hash, $options, qw(
+ add_field
+ alter_field
+ rename_field
+ alter_create_index
+ alter_create_constraint
+ alter_table
+ ));
+
+ return @sql;
}
1;
=head1 AUTHOR
-Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
+Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.
=cut
projects / dbsrgits/SQL-Translator.git / blobdiff