package SQL::Translator::Producer::SQLServer;
-=head1 NAME
-
-SQL::Translator::Producer::SQLServer - MS SQLServer producer for SQL::Translator
-
-=head1 SYNOPSIS
-
- use SQL::Translator;
-
- my $t = SQL::Translator->new( parser => '...', producer => 'SQLServer' );
- $t->translate;
-
-=head1 DESCRIPTION
-
-B<WARNING>B This is still fairly early code, basically a hacked version of the
-Sybase Producer (thanks Sam, Paul and Ken for doing the real work ;-)
-
-=head1 Extra Attributes
-
-=over 4
-
-=item field.list
-
-List of values for an enum field.
-
-=back
-
-=head1 TODO
-
- * !! Write some tests !!
- * Reserved words list needs updating to SQLServer.
- * Triggers, Procedures and Views DO NOT WORK
-
-=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',
- 'time' => 'datetime',
- # Sybase types
- #integer => 'numeric',
- #int => 'numeric',
- #number => 'numeric',
- #money => 'money',
- #varchar => 'varchar',
- #varchar2 => 'varchar',
- #timestamp => 'datetime',
- #text => 'varchar',
- #real => 'double precision',
- #comment => 'text',
- #bit => 'bit',
- #tinyint => 'smallint',
- #float => 'double precision',
- #serial => 'numeric',
- #boolean => 'varchar',
- #char => 'char',
- #long => 'varchar',
-);
-
-# 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;
-
-=pod
-
-=head1 SQLServer Create Table Syntax
+use SQL::Translator::Generator::DDL::SQLServer;
-TODO
-
-=cut
+my $future = SQL::Translator::Generator::DDL::SQLServer->new();
sub produce {
my $translator = shift;
- $DEBUG = $translator->debug;
- $WARN = $translator->show_warnings;
my $no_comments = $translator->no_comments;
my $add_drop_table = $translator->add_drop_table;
my $schema = $translator->schema;
- %global_names = (); #reset
-
my $output;
$output .= header_comment."\n" unless ($no_comments);
$output .= "\n";
$output .= "--\n-- Drop tables\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') DROP TABLE $q_name;\n"
+ $output .= $future->drop_table($table);
}
}
- # Generate the CREATE sql
+ # these need to be added separately, as tables may not exist yet
+ my @foreign_constraints = ();
- my @foreign_constraints = (); # these need to be added separately, as tables may not exist yet
+ for my $table ( grep { $_->name } $schema->get_tables ) {
+ my $table_name_ur = unreserve($table->name);
- for my $table ( $schema->get_tables ) {
- my $table_name = $table->name or next;
- my $table_name_ur = unreserve($table_name) || '';
-
- my ( @comments, @field_defs, @index_defs, @constraint_defs );
+ my ( @comments );
push @comments, "\n\n--\n-- Table: $table_name_ur\n--"
- unless $no_comments;
+ unless $no_comments;
push @comments, map { "-- $_" } $table->comments;
- #
- # Fields
- #
- my %field_name_scope;
- for my $field ( $table->get_fields ) {
- my $field_name = $field->name;
- my $field_name_ur = unreserve( $field_name );
- my $field_def = qq["$field_name_ur"];
- $field_def =~ s/\"//g;
- if ( $field_def =~ /identity/ ){
- $field_def =~ s/identity/pidentity/;
- }
-
- #
- # Datatype
- #
- my $data_type = lc $field->data_type;
- my $orig_data_type = $data_type;
- my %extra = $field->extra;
- my $list = $extra{'list'} || [];
- # \todo deal with embedded quotes
- my $commalist = join( ', ', map { qq['$_'] } @$list );
-
- if ( $data_type eq 'enum' ) {
- my $check_name = mk_name( $field_name . '_chk' );
- push @constraint_defs,
- "CONSTRAINT $check_name CHECK ($field_name IN ($commalist))";
- $data_type .= 'character varying';
- }
- 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 };
- }
- else {
- warn "Unknown datatype: $data_type ",
- "($table_name.$field_name)\n" if $WARN;
- }
- }
-
- my $size = $field->size;
- if ( grep $_ eq $data_type, @no_size) {
- # SQLServer doesn't seem to like sizes on some datatypes
- $size = undef;
- }
- elsif ( !$size ) {
- if ( $data_type =~ /numeric/ ) {
- $size = '9,0';
- }
- elsif ( $orig_data_type eq 'text' ) {
- #interpret text fields as long varchars
- $size = '255';
- }
- elsif (
- $data_type eq 'varchar' &&
- $orig_data_type eq 'boolean'
- ) {
- $size = '6';
- }
- elsif ( $data_type eq 'varchar' ) {
- $size = '255';
- }
- }
-
- $field_def .= " $data_type";
- $field_def .= "($size)" if $size;
-
- $field_def .= ' IDENTITY' if $field->is_auto_increment;
-
- #
- # Not null constraint
- #
- unless ( $field->is_nullable ) {
- $field_def .= ' NOT NULL';
- }
- else {
- $field_def .= ' NULL' if $data_type ne 'bit';
- }
-
- #
- # Default value
- #
- SQL::Translator::Producer->_apply_default_value(
- $field,
- \$field_def,
- [
- 'NULL' => \'NULL',
- ],
- );
-
- push @field_defs, $field_def;
- }
-
- #
- # Constraint Declarations
- #
- 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( $_ ) }
- $constraint->fields;
- my @rfields = map { unreserve( $_ ) }
- $constraint->reference_fields;
- next unless @fields;
-
- 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 ) {
- $name = ($name ? unreserve($name) : mk_name( $table_name . '_pk' ));
- $c_def =
- "CONSTRAINT $name PRIMARY KEY ".
- '(' . join( ', ', @fields ) . ')';
- }
- elsif ( $type eq UNIQUE ) {
- $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;
- }
-
- #
- # Indices
- #
- 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_ur ON $table_name_ur (".
- join( ', ', map unreserve($_), $index->fields ) . ");";
- }
-
- my $create_statement = "";
- $create_statement .= qq[CREATE TABLE $table_name_ur (\n].
- join( ",\n",
- map { " $_" } @field_defs, @constraint_defs
- ).
- "\n);"
- ;
+ push @foreign_constraints, map $future->foreign_key_constraint($_),
+ grep { $_->type eq FOREIGN_KEY } $table->get_constraints;
$output .= join( "\n\n",
@comments,
- $create_statement,
- @index_defs,
+ # index defs
+ $future->table($table),
+ (map $future->unique_constraint_multiple($_),
+ grep {
+ $_->type eq UNIQUE &&
+ grep { $_->is_nullable } $_->fields
+ } $table->get_constraints),
+
+ (map $future->index($_), $table->get_indices)
);
}
# create view/procedure are NOT prepended to the input $sql, needs
# to be filled in with the proper syntax
+ return $output;
+}
+
+sub unreserve { $future->quote($_[0]) }
+
+1;
+
=pod
+=head1 SQLServer Create Table Syntax
+
+TODO
+
+
+=head1 NAME
+
+SQL::Translator::Producer::SQLServer - MS SQLServer producer for SQL::Translator
+
+=head1 SYNOPSIS
+
+ use SQL::Translator;
+
+ my $t = SQL::Translator->new( parser => '...', producer => 'SQLServer' );
+ $t->translate;
+
+=head1 DESCRIPTION
+
+B<WARNING>B This is still fairly early code, basically a hacked version of the
+Sybase Producer (thanks Sam, Paul and Ken for doing the real work ;-)
+
+=head1 Extra Attributes
+
+=over 4
+
+=item field.list
+
+List of values for an enum field.
+
+=back
+
+=head1 TODO
+
+ * !! Write some tests !!
+ * Reserved words list needs updating to SQLServer.
+ * Triggers, Procedures and Views DO NOT WORK
+
+
# Text of view is already a 'create view' statement so no need to
# be fancy
foreach ( $schema->get_views ) {
$text =~ s/\r//g;
$output .= "$text\nGO\n";
}
-=cut
-
- return $output;
-}
-
-sub mk_name {
- my ($name, $scope, $critical) = @_;
-
- $scope ||= \%global_names;
- if ( my $prev = $scope->{ $name } ) {
- my $name_orig = $name;
- $name .= sprintf( "%02d", ++$prev );
- substr($name, $max_id_length - 3) = "00"
- if length( $name ) > $max_id_length;
-
- warn "The name '$name_orig' has been changed to ",
- "'$name' to make it unique.\n" if $WARN;
-
- $scope->{ $name_orig }++;
- }
- $name = substr( $name, 0, $max_id_length )
- if ((length( $name ) > $max_id_length) && $critical);
- $scope->{ $name }++;
- return unreserve($name);
-}
-
-sub unreserve { $util->quote($_[0]) }
-
-1;
-
-=pod
=head1 SEE ALSO