--- /dev/null
+package SQL::Translator::Parser::SQLServer;
+
+# -------------------------------------------------------------------
+# $Id: SQLServer.pm,v 1.1 2005-06-27 19:01:31 duality72 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::Parser::SQLServer - parser for SQL Server
+
+=head1 SYNOPSIS
+
+ use SQL::Translator::Parser::SQLServer;
+
+=head1 DESCRIPTION
+
+Adapted from Parser::Sybase and mostly parses the output of
+Producer::SQLServer. The parsing is by no means complete and
+should probably be considered a work in progress.
+
+=cut
+
+use strict;
+
+use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ];
+$VERSION = sprintf "%d.%02d", q$Revision: 1.1 $ =~ /(\d+)\.(\d+)/;
+$DEBUG = 0 unless defined $DEBUG;
+
+use Data::Dumper;
+use Parse::RecDescent;
+use Exporter;
+use base qw(Exporter);
+
+@EXPORT_OK = qw(parse);
+
+$::RD_ERRORS = 1;
+$::RD_WARN = 1;
+$::RD_HINT = 1;
+
+$GRAMMAR = q{
+
+{
+ my ( %tables, @table_comments, $table_order );
+}
+
+startrule : statement(s) eofile { \%tables }
+
+eofile : /^\Z/
+
+statement : create_table
+ | create_procedure
+ | create_index
+ | create_constraint
+ | comment
+ | use
+ | setuser
+ | if
+ | print
+ | grant
+ | exec
+ | <error>
+
+use : /use/i WORD GO
+ { @table_comments = () }
+
+setuser : /setuser/i NAME GO
+
+if : /if/i object_not_null begin if_command end GO
+
+if_command : grant
+ | create_index
+ | create_constraint
+
+object_not_null : /object_id/i '(' ident ')' /is not null/i
+
+print : /\s*/ /print/i /.*/
+
+else : /else/i /.*/
+
+begin : /begin/i
+
+end : /end/i
+
+grant : /grant/i /[^\n]*/
+
+exec : exec_statement(s) GO
+
+exec_statement : /exec/i /[^\n]+/
+
+comment : /^\s*(?:#|-{2}).*\n/
+ {
+ my $comment = $item[1];
+ $comment =~ s/^\s*(#|--)\s*//;
+ $comment =~ s/\s*$//;
+ $return = $comment;
+ push @table_comments, $comment;
+ }
+
+comment : comment_start comment_middle comment_end
+ {
+ my $comment = $item[2];
+ $comment =~ s/^\s*|\s*$//mg;
+ $comment =~ s/^\**\s*//mg;
+ push @table_comments, $comment;
+ }
+
+comment_start : m#^\s*\/\*#
+
+comment_end : m#\s*\*\/#
+
+comment_middle : m{([^*]+|\*(?!/))*}
+
+#
+# Create table.
+#
+create_table : /create/i /table/i ident '(' create_def(s /,/) ')' lock(?) on_system(?) ';' GO(?)
+ {
+ my $table_owner = $item[3]{'owner'};
+ my $table_name = $item[3]{'name'};
+
+ if ( @table_comments ) {
+ $tables{ $table_name }{'comments'} = [ @table_comments ];
+ @table_comments = ();
+ }
+
+ $tables{ $table_name }{'order'} = ++$table_order;
+ $tables{ $table_name }{'name'} = $table_name;
+ $tables{ $table_name }{'owner'} = $table_owner;
+ $tables{ $table_name }{'system'} = $item[7];
+
+ my $i = 0;
+ for my $def ( @{ $item[5] } ) {
+ if ( $def->{'supertype'} eq 'field' ) {
+ my $field_name = $def->{'name'};
+ $tables{ $table_name }{'fields'}{ $field_name } =
+ { %$def, order => $i };
+ $i++;
+
+ if ( $def->{'is_primary_key'} ) {
+ push @{ $tables{ $table_name }{'constraints'} }, {
+ type => 'primary_key',
+ fields => [ $field_name ],
+ };
+ }
+ }
+ elsif ( $def->{'supertype'} eq 'constraint' ) {
+ push @{ $tables{ $table_name }{'constraints'} }, $def;
+ }
+ else {
+ push @{ $tables{ $table_name }{'indices'} }, $def;
+ }
+ }
+ }
+
+create_constraint : /create/i constraint
+ {
+ @table_comments = ();
+ push @{ $tables{ $item[2]{'table'} }{'constraints'} }, $item[2];
+ }
+
+create_index : /create/i index
+ {
+ @table_comments = ();
+ push @{ $tables{ $item[2]{'table'} }{'indices'} }, $item[2];
+ }
+
+create_procedure : /create/i /procedure/i procedure_body GO
+ {
+ @table_comments = ();
+ }
+
+procedure_body : not_go(s)
+
+not_go : /((?!go).)*/
+
+create_def : constraint
+ | index
+ | field
+
+blank : /\s*/
+
+field : field_name data_type field_qualifier(s?)
+ {
+ my %qualifiers = map { %$_ } @{ $item{'field_qualifier(s?)'} || [] };
+ my $nullable = defined $qualifiers{'nullable'}
+ ? $qualifiers{'nullable'} : 1;
+ $return = {
+ supertype => 'field',
+ name => $item{'field_name'},
+ data_type => $item{'data_type'}{'type'},
+ size => $item{'data_type'}{'size'},
+ nullable => $nullable,
+ default => $qualifiers{'default_val'},
+ is_auto_inc => $qualifiers{'auto_inc'},
+# is_primary_key => $item{'primary_key'}[0],
+ }
+ }
+
+field_qualifier : nullable
+ {
+ $return = {
+ nullable => $item{'nullable'},
+ }
+ }
+
+field_qualifier : default_val
+ {
+ $return = {
+ default_val => $item{'default_val'},
+ }
+ }
+
+field_qualifier : auto_inc
+ {
+ $return = {
+ is_auto_inc => $item{'auto_inc'},
+ }
+ }
+
+constraint : primary_key_constraint
+ | foreign_key_constraint
+ | unique_constraint
+
+field_name : WORD
+
+index_name : WORD
+
+table_name : WORD
+
+data_type : WORD field_size(?)
+ {
+ $return = {
+ type => $item[1],
+ size => $item[2][0]
+ }
+ }
+
+lock : /lock/i /datarows/i
+
+field_type : WORD
+
+field_size : '(' num_range ')' { $item{'num_range'} }
+
+num_range : DIGITS ',' DIGITS
+ { $return = $item[1].','.$item[3] }
+ | DIGITS
+ { $return = $item[1] }
+
+
+nullable : /not/i /null/i
+ { $return = 0 }
+ | /null/i
+ { $return = 1 }
+
+default_val : /default/i /(?:')?[^']*(?:')?/
+ { $item[2]=~ s/'//g; $return = $item[2] }
+
+auto_inc : /identity/i { 1 }
+
+primary_key_constraint : /constraint/i index_name(?) /primary/i /key/i parens_field_list
+ {
+ $return = {
+ supertype => 'constraint',
+ name => $item[2][0],
+ type => 'primary_key',
+ fields => $item[5],
+ }
+ }
+
+foreign_key_constraint : /constraint/i index_name(?) /foreign/i /key/i parens_field_list /references/i table_name parens_field_list(?) on_delete_do(?) on_update_do(?)
+ {
+ $return = {
+ supertype => 'constraint',
+ name => $item[2][0],
+ type => 'foreign_key',
+ fields => $item[5],
+ reference_table => $item[7],
+ reference_fields => $item[8][0],
+ on_delete_do => $item[9][0],
+ on_update_do => $item[10][0],
+ }
+ }
+
+unique_constraint : /unique/i clustered(?) INDEX(?) index_name(?) on_table(?) parens_field_list
+ {
+ $return = {
+ supertype => 'constraint',
+ type => 'unique',
+ clustered => $item[2][0],
+ name => $item[4][0],
+ table => $item[5][0],
+ fields => $item[6],
+ }
+ }
+
+on_delete_do : /on delete/i reference_option
+ { $item[2] }
+
+on_update_do : /on update/i reference_option
+ { $item[2] }
+
+reference_option: /cascade/i |
+ /no action/i
+ { $item[1] }
+
+clustered : /clustered/i
+ { $return = 1 }
+ | /nonclustered/i
+ { $return = 0 }
+
+INDEX : /index/i
+
+on_table : /on/i table_name
+ { $return = $item[2] }
+
+on_system : /on/i /system/i
+ { $return = 1 }
+
+index : clustered(?) INDEX index_name(?) on_table(?) parens_field_list ';'
+ {
+ $return = {
+ supertype => 'index',
+ type => 'normal',
+ clustered => $item[1][0],
+ name => $item[3][0],
+ table => $item[4][0],
+ fields => $item[5],
+ }
+ }
+
+parens_field_list : '(' field_name(s /,/) ')'
+ { $item[2] }
+
+ident : QUOTE(?) WORD '.' WORD QUOTE(?)
+ { $return = { owner => $item[2], name => $item[4] } }
+ | WORD
+ { $return = { name => $item[1] } }
+
+GO : /^go/i
+
+NAME : QUOTE(?) /\w+/ QUOTE(?)
+ { $item[2] }
+
+WORD : /[\w#]+/
+
+DIGITS : /\d+/
+
+COMMA : ','
+
+QUOTE : /'/
+
+};
+
+# -------------------------------------------------------------------
+sub parse {
+ my ( $translator, $data ) = @_;
+ my $parser = Parse::RecDescent->new($GRAMMAR);
+
+ 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 $result = $parser->startrule($data);
+ return $translator->error( "Parse failed." ) unless defined $result;
+ warn Dumper( $result ) if $DEBUG;
+
+ my $schema = $translator->schema;
+ my @tables = sort {
+ $result->{ $a }->{'order'} <=> $result->{ $b }->{'order'}
+ } keys %{ $result };
+
+ for my $table_name ( @tables ) {
+ my $tdata = $result->{ $table_name };
+ my $table = $schema->add_table( name => $tdata->{'name'} )
+ or die "Can't create table '$table_name': ", $schema->error;
+
+ $table->comments( $tdata->{'comments'} );
+
+ my @fields = sort {
+ $tdata->{'fields'}->{$a}->{'order'}
+ <=>
+ $tdata->{'fields'}->{$b}->{'order'}
+ } keys %{ $tdata->{'fields'} };
+
+ for my $fname ( @fields ) {
+ my $fdata = $tdata->{'fields'}{ $fname };
+ my $field = $table->add_field(
+ name => $fdata->{'name'},
+ data_type => $fdata->{'data_type'},
+ size => $fdata->{'size'},
+ default_value => $fdata->{'default'},
+ is_auto_increment => $fdata->{'is_auto_inc'},
+ is_nullable => $fdata->{'nullable'},
+ comments => $fdata->{'comments'},
+ ) or die $table->error;
+
+ $table->primary_key( $field->name ) if $fdata->{'is_primary_key'};
+
+ for my $qual ( qw[ binary unsigned zerofill list ] ) {
+ if ( my $val = $fdata->{ $qual } || $fdata->{ uc $qual } ) {
+ next if ref $val eq 'ARRAY' && !@$val;
+ $field->extra( $qual, $val );
+ }
+ }
+
+ if ( $field->data_type =~ /(set|enum)/i && !$field->size ) {
+ my %extra = $field->extra;
+ my $longest = 0;
+ for my $len ( map { length } @{ $extra{'list'} || [] } ) {
+ $longest = $len if $len > $longest;
+ }
+ $field->size( $longest ) if $longest;
+ }
+
+ for my $cdata ( @{ $fdata->{'constraints'} } ) {
+ next unless $cdata->{'type'} eq 'foreign_key';
+ $cdata->{'fields'} ||= [ $field->name ];
+ push @{ $tdata->{'constraints'} }, $cdata;
+ }
+ }
+
+ for my $idata ( @{ $tdata->{'indices'} || [] } ) {
+ my $index = $table->add_index(
+ name => $idata->{'name'},
+ type => uc $idata->{'type'},
+ fields => $idata->{'fields'},
+ ) or die $table->error;
+ }
+
+ for my $cdata ( @{ $tdata->{'constraints'} || [] } ) {
+ my $constraint = $table->add_constraint(
+ name => $cdata->{'name'},
+ type => $cdata->{'type'},
+ fields => $cdata->{'fields'},
+ reference_table => $cdata->{'reference_table'},
+ reference_fields => $cdata->{'reference_fields'},
+ match_type => $cdata->{'match_type'} || '',
+ on_delete => $cdata->{'on_delete_do'},
+ on_update => $cdata->{'on_update_do'},
+ ) or die $table->error;
+ }
+ }
+
+ return 1;
+}
+
+1;
+
+# -------------------------------------------------------------------
+# Every hero becomes a bore at last.
+# Ralph Waldo Emerson
+# -------------------------------------------------------------------
+
+=pod
+
+=head1 AUTHOR
+
+Chris Hilton E<lt>chris@dctank.comE<gt> - Bulk of code from
+Sybase parser, I just tweaked it for SQLServer. Thanks.
+
+=head1 SEE ALSO
+
+SQL::Translator, SQL::Translator::Parser::DBI, L<http://www.midsomer.org/>.
+
+=cut
projects / dbsrgits/SQL-Translator.git / commitdiff