package SQL::Translator::Parser::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::Parser::SQLServer - parser for SQL Server
=cut
use strict;
+use warnings;
-use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ];
-$VERSION = '1.59';
+our $VERSION = '1.59';
+
+our $DEBUG;
$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
-use Parse::RecDescent;
-use Exporter;
-use base qw(Exporter);
-
-@EXPORT_OK = qw(parse);
+use SQL::Translator::Utils qw/ddl_parser_instance/;
-$::RD_ERRORS = 1;
-$::RD_WARN = 1;
-$::RD_HINT = 1;
+use base qw(Exporter);
+our @EXPORT_OK = qw(parse);
-$GRAMMAR = q{
+our $GRAMMAR = <<'END_OF_GRAMMAR';
{
my ( %tables, @table_comments, $table_order, %procedures, $proc_order, %views, $view_order );
| create_index
| create_constraint
| comment
+ | disable_constraints
| drop
| use
| setuser
object_not_null : /object_id/i '(' ident ')' /is not null/i
+field_not_null : /where/i field_name /is \s+ not \s+ null/ix
+
print : /\s*/ /print/i /.*/
else : /else/i /.*/
drop : if_exists(?) /drop/i tbl_drop END_STATEMENT
-tbl_drop : /table/i NAME
+tbl_drop : /table/i ident
if_exists : /if exists/i '(' /select/i 'name' /from/i 'sysobjects' /[^\)]+/ ')'
}
}
+disable_constraints : if_exists(?) /alter/i /table/i ident /nocheck/i /constraint/i /all/i END_STATEMENT
+
+# this is for the normal case
+create_constraint : /create/i constraint END_STATEMENT
+ {
+ @table_comments = ();
+ push @{ $tables{ $item[2]{'table'} }{'constraints'} }, $item[2];
+ }
+
+# and this is for the BEGIN/END case
create_constraint : /create/i constraint
{
@table_comments = ();
push @{ $tables{ $item[2]{'table'} }{'constraints'} }, $item[2];
}
+
create_constraint : /alter/i /table/i ident /add/i foreign_key_constraint END_STATEMENT
{
push @{ $tables{ $item[3]{name} }{constraints} }, $item[5];
}
+
create_index : /create/i index
{
@table_comments = ();
| unique_constraint
field_name : WORD
+ { $return = $item[1] }
+ | LQUOTE WORD RQUOTE
+ { $return = $item[2] }
index_name : WORD
+ { $return = $item[1] }
+ | LQUOTE WORD RQUOTE
+ { $return = $item[2] }
table_name : WORD
+ { $return = $item[1] }
+ | LQUOTE WORD RQUOTE
+ { $return = $item[2] }
data_type : WORD field_size(?)
{
}
}
-unique_constraint : /unique/i clustered(?) INDEX(?) index_name(?) on_table(?) parens_field_list
+unique_constraint : /unique/i clustered(?) INDEX(?) index_name(?) on_table(?) parens_field_list field_not_null(?)
{
$return = {
supertype => 'constraint',
parens_field_list : '(' field_name(s /,/) ')'
{ $item[2] }
-ident : QUOTE(?) WORD '.' WORD QUOTE(?)
+ident : QUOTE WORD '.' WORD QUOTE | LQUOTE WORD '.' WORD RQUOTE
{ $return = { owner => $item[2], name => $item[4] } }
+ | LQUOTE WORD RQUOTE '.' LQUOTE WORD RQUOTE
+ { $return = { owner => $item[2], name => $item[6] } }
+ | LQUOTE WORD RQUOTE
+ { $return = { name => $item[2] } }
+ | WORD '.' WORD
+ { $return = { owner => $item[1], name => $item[3] } }
| WORD
{ $return = { name => $item[1] } }
QUOTE : /'/
-};
+LQUOTE : '['
+
+RQUOTE : ']'
+
+END_OF_GRAMMAR
-# -------------------------------------------------------------------
sub parse {
my ( $translator, $data ) = @_;
- my $parser = Parse::RecDescent->new($GRAMMAR);
+
+ # Enable warnings within the Parse::RecDescent module.
+ local $::RD_ERRORS = 1 unless defined $::RD_ERRORS; # Make sure the parser dies when it encounters an error
+ local $::RD_WARN = 1 unless defined $::RD_WARN; # Enable warnings. This will warn on unused rules &c.
+ local $::RD_HINT = 1 unless defined $::RD_HINT; # Give out hints to help fix problems.
local $::RD_TRACE = $translator->trace ? 1 : undef;
local $DEBUG = $translator->debug;
- unless (defined $parser) {
- return $translator->error("Error instantiating Parse::RecDescent ".
- "instance: Bad grammer");
- }
+ my $parser = ddl_parser_instance('SQLServer');
my $result = $parser->startrule($data);
return $translator->error( "Parse failed." ) unless defined $result;