package SQL::Translator::Producer::SQLServer;
-# -------------------------------------------------------------------
-# 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
-# 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::SQLServer - MS SQLServer producer for SQL::Translator
=cut
use strict;
-use vars qw[ $DEBUG $WARN $VERSION ];
-$VERSION = '1.59';
+use warnings;
+our ( $DEBUG, $WARN );
+our $VERSION = '1.59';
$DEBUG = 1 unless defined $DEBUG;
use Data::Dumper;
use SQL::Translator::Schema::Constants;
use SQL::Translator::Utils qw(debug header_comment);
+use SQL::Translator::ProducerUtils;
+
+my $util = SQL::Translator::ProducerUtils->new( quote_chars => ['[', ']'] );
my %translate = (
date => 'datetime',
#bit => 'bit',
#tinyint => 'smallint',
#float => 'double precision',
- #serial => 'numeric',
+ #serial => 'numeric',
#boolean => 'varchar',
#char => 'char',
#long => 'varchar',
);
-# TODO - This is still the Sybase list!
-my %reserved = map { $_, 1 } qw[
- 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
- 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
- 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
- UNION UNIQUE USER USING VERBOSE WHEN WHERE
-];
-
# If these datatypes have size appended the sql fails.
my @no_size = qw/tinyint smallint int integer bigint text bit image datetime/;
my $max_id_length = 128;
my %global_names;
-my %unreserve;
=pod
=cut
-# -------------------------------------------------------------------
sub produce {
my $translator = shift;
$DEBUG = $translator->debug;
my $schema = $translator->schema;
%global_names = (); #reset
- %unreserve = ();
my $output;
$output .= header_comment."\n" unless ($no_comments);
- # Generate the DROP statements. We do this in one block here as if we
- # have fkeys we need to drop in the correct order otherwise they will fail
- # due to the dependancies the fkeys setup. (There is no way to turn off
- # fkey checking while we sort the schema like MySQL's set
- # foreign_key_checks=0)
- # We assume the tables are in the correct order to set them up as you need
- # to have created a table to fkey to it. So the reverse order should drop
- # them properly, fingers crossed...
+ # Generate the DROP statements.
if ($add_drop_table) {
+ my @tables = sort { $b->order <=> $a->order } $schema->get_tables;
+ $output .= "--\n-- Turn off constraints\n--\n\n" unless $no_comments;
+ foreach my $table (@tables) {
+ my $name = $table->name;
+ my $q_name = unreserve($name);
+ $output .= "IF EXISTS (SELECT name FROM sysobjects WHERE name = '$name' AND type = 'U') ALTER TABLE $q_name NOCHECK CONSTRAINT all;\n"
+ }
+ $output .= "\n";
$output .= "--\n-- Drop tables\n--\n\n" unless $no_comments;
- foreach my $table (
- sort { $b->order <=> $a->order } $schema->get_tables
- ) {
- my $name = unreserve($table->name);
- $output .= qq{IF EXISTS (SELECT name FROM sysobjects WHERE name = '$name' AND type = 'U') DROP TABLE $name;\n\n}
+ foreach my $table (@tables) {
+ my $name = $table->name;
+ my $q_name = unreserve($name);
+ $output .= "IF EXISTS (SELECT name FROM sysobjects WHERE name = '$name' AND type = 'U') DROP TABLE $q_name;\n"
}
}
# Generate the CREATE sql
+
+ my @foreign_constraints = (); # these need to be added separately, as tables may not exist yet
+
for my $table ( $schema->get_tables ) {
my $table_name = $table->name or next;
my $table_name_ur = unreserve($table_name) || '';
my %field_name_scope;
for my $field ( $table->get_fields ) {
my $field_name = $field->name;
- my $field_name_ur = unreserve( $field_name, $table_name );
+ my $field_name_ur = unreserve( $field_name );
my $field_def = qq["$field_name_ur"];
$field_def =~ s/\"//g;
if ( $field_def =~ /identity/ ){
elsif ( $data_type eq 'set' ) {
$data_type .= 'character varying';
}
+ elsif ( grep { $data_type eq $_ } qw/bytea blob clob/ ) {
+ $data_type = 'varbinary';
+ }
else {
if ( defined $translate{ $data_type } ) {
$data_type = $translate{ $data_type };
#
# Default value
#
- my $default = $field->default_value;
- if ( defined $default ) {
- SQL::Translator::Producer->_apply_default_value(
- \$field_def,
- $default,
- [
- 'NULL' => \'NULL',
- ],
- );
- }
-
- push @field_defs, $field_def;
+ SQL::Translator::Producer->_apply_default_value(
+ $field,
+ \$field_def,
+ [
+ 'NULL' => \'NULL',
+ ],
+ );
+
+ push @field_defs, $field_def;
}
#
my @constraint_decs = ();
for my $constraint ( $table->get_constraints ) {
my $name = $constraint->name || '';
+ my $name_ur = unreserve($name);
# Make sure we get a unique name
my $type = $constraint->type || NORMAL;
- my @fields = map { unreserve( $_, $table_name ) }
+ my @fields = map { unreserve( $_ ) }
$constraint->fields;
- my @rfields = map { unreserve( $_, $table_name ) }
+ my @rfields = map { unreserve( $_ ) }
$constraint->reference_fields;
next unless @fields;
- my $c_def;
+ my $c_def;
+ if ( $type eq FOREIGN_KEY ) {
+ $name ||= mk_name( $table_name . '_fk' );
+ my $on_delete = uc ($constraint->on_delete || '');
+ my $on_update = uc ($constraint->on_update || '');
+
+ # The default implicit constraint action in MSSQL is RESTRICT
+ # but you can not specify it explicitly. Go figure :)
+ for ($on_delete, $on_update) {
+ undef $_ if $_ eq 'RESTRICT'
+ }
+
+ $c_def =
+ "ALTER TABLE $table_name_ur ADD CONSTRAINT $name_ur FOREIGN KEY".
+ ' (' . join( ', ', @fields ) . ') REFERENCES '.
+ unreserve($constraint->reference_table).
+ ' (' . join( ', ', @rfields ) . ')'
+ ;
+
+ if ( $on_delete && $on_delete ne "NO ACTION") {
+ $c_def .= " ON DELETE $on_delete";
+ }
+ if ( $on_update && $on_update ne "NO ACTION") {
+ $c_def .= " ON UPDATE $on_update";
+ }
+
+ $c_def .= ";";
+
+ push @foreign_constraints, $c_def;
+ next;
+ }
+
+
if ( $type eq PRIMARY_KEY ) {
- $name ||= mk_name( $table_name . '_pk' );
- $c_def =
+ $name = ($name ? unreserve($name) : mk_name( $table_name . '_pk' ));
+ $c_def =
"CONSTRAINT $name PRIMARY KEY ".
'(' . join( ', ', @fields ) . ')';
}
- elsif ( $type eq FOREIGN_KEY ) {
- $name ||= mk_name( $table_name . '_fk' );
- $c_def =
- "CONSTRAINT $name FOREIGN KEY".
- ' (' . join( ', ', @fields ) . ') REFERENCES '.
- $constraint->reference_table.
- ' (' . join( ', ', @rfields ) . ')';
- my $on_delete = $constraint->on_delete;
- if ( $on_delete && $on_delete ne "NO ACTION") {
- $c_def .= " ON DELETE $on_delete";
- }
- my $on_update = $constraint->on_update;
- if ( $on_update && $on_update ne "NO ACTION") {
- $c_def .= " ON UPDATE $on_update";
- }
- }
elsif ( $type eq UNIQUE ) {
- $name ||= mk_name( $table_name . '_uc' );
- $c_def =
- "CONSTRAINT $name UNIQUE " .
- '(' . join( ', ', @fields ) . ')';
+ $name = $name_ur || mk_name( $table_name . '_uc' );
+ my @nullable = grep { $_->is_nullable } $constraint->fields;
+ if (!@nullable) {
+ $c_def =
+ "CONSTRAINT $name UNIQUE " .
+ '(' . join( ', ', @fields ) . ')';
+ } else {
+ push @index_defs,
+ "CREATE UNIQUE NONCLUSTERED INDEX $name_ur ON $table_name_ur (" .
+ join( ', ', @fields ) . ')' .
+ ' WHERE ' . join( ' AND ', map unreserve($_->name) . ' IS NOT NULL', @nullable ) . ';';
+ next;
+ }
}
push @constraint_defs, $c_def;
}
#
for my $index ( $table->get_indices ) {
my $idx_name = $index->name || mk_name($table_name . '_idx');
+ my $idx_name_ur = unreserve($idx_name);
push @index_defs,
- "CREATE INDEX $idx_name ON $table_name (".
- join( ', ', $index->fields ) . ");";
+ "CREATE INDEX $idx_name_ur ON $table_name_ur (".
+ join( ', ', map unreserve($_), $index->fields ) . ");";
}
my $create_statement = "";
$create_statement .= qq[CREATE TABLE $table_name_ur (\n].
- join( ",\n",
+ join( ",\n",
map { " $_" } @field_defs, @constraint_defs
).
"\n);"
);
}
+# Add FK constraints
+ $output .= join ("\n", '', @foreign_constraints) if @foreign_constraints;
+
# create view/procedure are NOT prepended to the input $sql, needs
# to be filled in with the proper syntax
-=begin
+=pod
# Text of view is already a 'create view' statement so no need to
# be fancy
$output .= "\n\n";
$output .= "--\n-- Procedure: $name\n--\n\n" unless $no_comments;
my $text = $_->sql();
- $text =~ s/\r//g;
+ $text =~ s/\r//g;
$output .= "$text\nGO\n";
}
=cut
return $output;
}
-# -------------------------------------------------------------------
sub mk_name {
my ($name, $scope, $critical) = @_;
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 ",
$scope->{ $name_orig }++;
}
- $name = substr( $name, 0, $max_id_length )
+ $name = substr( $name, 0, $max_id_length )
if ((length( $name ) > $max_id_length) && $critical);
$scope->{ $name }++;
- return $name;
+ return unreserve($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 unreserve { $util->quote($_[0]) }
1;
-# -------------------------------------------------------------------
-
=pod
=head1 SEE ALSO
projects / dbsrgits/SQL-Translator.git / blobdiff