[dbsrgits/SQL-Translator.git] / lib / SQL / Translator / Producer / SQLServer.pm

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 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::Generator::Utils;

my $util = SQL::Translator::Generator::Utils->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

TODO

=cut

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);

    # 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 (@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 ( @comments, @field_defs, @index_defs, @constraint_defs );

        push @comments, "\n\n--\n-- Table: $table_name_ur\n--"
        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);"
        ;

        $output .= join( "\n\n",
            @comments,
            $create_statement,
            @index_defs,
        );
    }

# 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

=pod

    # Text of view is already a 'create view' statement so no need to
    # be fancy
    foreach ( $schema->get_views ) {
        my $name = $_->name();
        $output .= "\n\n";
        $output .= "--\n-- View: $name\n--\n\n" unless $no_comments;
        my $text = $_->sql();
        $text =~ s/\r//g;
        $output .= "$text\nGO\n";
    }

    # Text of procedure already has the 'create procedure' stuff
    # so there is no need to do anything fancy. However, we should
    # think about doing fancy stuff with granting permissions and
    # so on.
    foreach ( $schema->get_procedures ) {
        my $name = $_->name();
        $output .= "\n\n";
        $output .= "--\n-- Procedure: $name\n--\n\n" unless $no_comments;
        my $text = $_->sql();
      $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

SQL::Translator.

=head1 AUTHORS

Mark Addison E<lt>grommit@users.sourceforge.netE<gt> - Bulk of code from
Sybase producer, I just tweaked it for SQLServer. Thanks.

=cut
Commit	Line	Data
7a0ceaa1	1	package SQL::Translator::Producer::SQLServer;
7a0ceaa1	2
7a0ceaa1	3	=head1 NAME
	4
	5	SQL::Translator::Producer::SQLServer - MS SQLServer producer for SQL::Translator
	6
	7	=head1 SYNOPSIS
	8
	9	use SQL::Translator;
	10
	11	my $t = SQL::Translator->new( parser => '...', producer => 'SQLServer' );
	12	$t->translate;
	13
	14	=head1 DESCRIPTION
	15
	16	B<WARNING>B This is still fairly early code, basically a hacked version of the
	17	Sybase Producer (thanks Sam, Paul and Ken for doing the real work ;-)
	18
	19	=head1 Extra Attributes
	20
	21	=over 4
	22
	23	=item field.list
	24
	25	List of values for an enum field.
	26
	27	=back
	28
	29	=head1 TODO
	30
	31	* !! Write some tests !!
	32	* Reserved words list needs updating to SQLServer.
e2fb9ad3	33	* Triggers, Procedures and Views DO NOT WORK
7a0ceaa1	34
	35	=cut
	36
	37	use strict;
f27f9229	38	use warnings;
0c04c5a2	39	our ( $DEBUG, $WARN );
0c04c5a2	40	our $VERSION = '1.59';
7a0ceaa1	41	$DEBUG = 1 unless defined $DEBUG;
	42
	43	use Data::Dumper;
	44	use SQL::Translator::Schema::Constants;
	45	use SQL::Translator::Utils qw(debug header_comment);
fd9f0e09	46	use SQL::Translator::Generator::Utils;
0a6e5a56	47
fd9f0e09	48	my $util = SQL::Translator::Generator::Utils->new( quote_chars => ['[', ']'] );
7a0ceaa1	49
	50	my %translate = (
	51	date => 'datetime',
	52	'time' => 'datetime',
	53	# Sybase types
	54	#integer => 'numeric',
	55	#int => 'numeric',
	56	#number => 'numeric',
	57	#money => 'money',
	58	#varchar => 'varchar',
	59	#varchar2 => 'varchar',
	60	#timestamp => 'datetime',
	61	#text => 'varchar',
	62	#real => 'double precision',
	63	#comment => 'text',
	64	#bit => 'bit',
	65	#tinyint => 'smallint',
	66	#float => 'double precision',
028386aa	67	#serial => 'numeric',
7a0ceaa1	68	#boolean => 'varchar',
	69	#char => 'char',
	70	#long => 'varchar',
	71	);
	72
7a0ceaa1	73	# If these datatypes have size appended the sql fails.
3e0bcbfd	74	my @no_size = qw/tinyint smallint int integer bigint text bit image datetime/;
7a0ceaa1	75
3e0bcbfd	76	my $max_id_length = 128;
7a0ceaa1	77	my %global_names;
7a0ceaa1	78
	79	=pod
	80
	81	=head1 SQLServer Create Table Syntax
	82
	83	TODO
	84
	85	=cut
	86
7a0ceaa1	87	sub produce {
	88	my $translator = shift;
	89	$DEBUG = $translator->debug;
	90	$WARN = $translator->show_warnings;
	91	my $no_comments = $translator->no_comments;
	92	my $add_drop_table = $translator->add_drop_table;
	93	my $schema = $translator->schema;
	94
e2fb9ad3	95	%global_names = (); #reset
e2fb9ad3	96
7a0ceaa1	97	my $output;
	98	$output .= header_comment."\n" unless ($no_comments);
	99
d02c3cd2	100	# Generate the DROP statements.
7a0ceaa1	101	if ($add_drop_table) {
d02c3cd2	102	my @tables = sort { $b->order <=> $a->order } $schema->get_tables;
	103	$output .= "--\n-- Turn off constraints\n--\n\n" unless $no_comments;
	104	foreach my $table (@tables) {
	105	my $name = $table->name;
	106	my $q_name = unreserve($name);
	107	$output .= "IF EXISTS (SELECT name FROM sysobjects WHERE name = '$name' AND type = 'U') ALTER TABLE $q_name NOCHECK CONSTRAINT all;\n"
	108	}
	109	$output .= "\n";
7a0ceaa1	110	$output .= "--\n-- Drop tables\n--\n\n" unless $no_comments;
d02c3cd2	111	foreach my $table (@tables) {
0a6e5a56	112	my $name = $table->name;
0a6e5a56	113	my $q_name = unreserve($name);
d02c3cd2	114	$output .= "IF EXISTS (SELECT name FROM sysobjects WHERE name = '$name' AND type = 'U') DROP TABLE $q_name;\n"
7a0ceaa1	115	}
	116	}
	117
	118	# Generate the CREATE sql
f9a5ee79	119
	120	my @foreign_constraints = (); # these need to be added separately, as tables may not exist yet
	121
7a0ceaa1	122	for my $table ( $schema->get_tables ) {
7a0ceaa1	123	my $table_name = $table->name or next;
7a0ceaa1	124	my $table_name_ur = unreserve($table_name) \|\| '';
	125
	126	my ( @comments, @field_defs, @index_defs, @constraint_defs );
	127
	128	push @comments, "\n\n--\n-- Table: $table_name_ur\n--"
	129	unless $no_comments;
	130
	131	push @comments, map { "-- $_" } $table->comments;
	132
	133	#
	134	# Fields
	135	#
	136	my %field_name_scope;
	137	for my $field ( $table->get_fields ) {
e2fb9ad3	138	my $field_name = $field->name;
0a6e5a56	139	my $field_name_ur = unreserve( $field_name );
7a0ceaa1	140	my $field_def = qq["$field_name_ur"];
	141	$field_def =~ s/\"//g;
	142	if ( $field_def =~ /identity/ ){
	143	$field_def =~ s/identity/pidentity/;
	144	}
	145
	146	#
	147	# Datatype
	148	#
	149	my $data_type = lc $field->data_type;
	150	my $orig_data_type = $data_type;
	151	my %extra = $field->extra;
	152	my $list = $extra{'list'} \|\| [];
	153	# \todo deal with embedded quotes
	154	my $commalist = join( ', ', map { qq['$_'] } @$list );
7a0ceaa1	155
7a0ceaa1	156	if ( $data_type eq 'enum' ) {
e2fb9ad3	157	my $check_name = mk_name( $field_name . '_chk' );
7a0ceaa1	158	push @constraint_defs,
e2fb9ad3	159	"CONSTRAINT $check_name CHECK ($field_name IN ($commalist))";
7a0ceaa1	160	$data_type .= 'character varying';
	161	}
	162	elsif ( $data_type eq 'set' ) {
	163	$data_type .= 'character varying';
	164	}
f9a5ee79	165	elsif ( grep { $data_type eq $_ } qw/bytea blob clob/ ) {
	166	$data_type = 'varbinary';
	167	}
7a0ceaa1	168	else {
	169	if ( defined $translate{ $data_type } ) {
	170	$data_type = $translate{ $data_type };
	171	}
	172	else {
	173	warn "Unknown datatype: $data_type ",
	174	"($table_name.$field_name)\n" if $WARN;
	175	}
	176	}
	177
	178	my $size = $field->size;
	179	if ( grep $_ eq $data_type, @no_size) {
	180	# SQLServer doesn't seem to like sizes on some datatypes
	181	$size = undef;
	182	}
	183	elsif ( !$size ) {
	184	if ( $data_type =~ /numeric/ ) {
	185	$size = '9,0';
	186	}
	187	elsif ( $orig_data_type eq 'text' ) {
	188	#interpret text fields as long varchars
	189	$size = '255';
	190	}
	191	elsif (
	192	$data_type eq 'varchar' &&
	193	$orig_data_type eq 'boolean'
	194	) {
	195	$size = '6';
	196	}
	197	elsif ( $data_type eq 'varchar' ) {
	198	$size = '255';
	199	}
	200	}
	201
	202	$field_def .= " $data_type";
	203	$field_def .= "($size)" if $size;
	204
	205	$field_def .= ' IDENTITY' if $field->is_auto_increment;
	206
	207	#
1426be03	208	# Not null constraint
	209	#
	210	unless ( $field->is_nullable ) {
	211	$field_def .= ' NOT NULL';
	212	}
	213	else {
	214	$field_def .= ' NULL' if $data_type ne 'bit';
	215	}
1426be03	216
1426be03	217	#
7a0ceaa1	218	# Default value
7a0ceaa1	219	#
06baeb21	220	SQL::Translator::Producer->_apply_default_value(
	221	$field,
	222	\$field_def,
	223	[
	224	'NULL' => \'NULL',
	225	],
	226	);
bc8e2aa1	227
028386aa	228	push @field_defs, $field_def;
7a0ceaa1	229	}
	230
	231	#
	232	# Constraint Declarations
	233	#
	234	my @constraint_decs = ();
7a0ceaa1	235	for my $constraint ( $table->get_constraints ) {
7a0ceaa1	236	my $name = $constraint->name \|\| '';
0a6e5a56	237	my $name_ur = unreserve($name);
7a0ceaa1	238	# Make sure we get a unique name
7a0ceaa1	239	my $type = $constraint->type \|\| NORMAL;
0a6e5a56	240	my @fields = map { unreserve( $_ ) }
7a0ceaa1	241	$constraint->fields;
0a6e5a56	242	my @rfields = map { unreserve( $_ ) }
7a0ceaa1	243	$constraint->reference_fields;
	244	next unless @fields;
	245
5bac76bc	246	my $c_def;
f9a5ee79	247	if ( $type eq FOREIGN_KEY ) {
e2fb9ad3	248	$name \|\|= mk_name( $table_name . '_fk' );
5bac76bc	249	my $on_delete = uc ($constraint->on_delete \|\| '');
	250	my $on_update = uc ($constraint->on_update \|\| '');
	251
	252	# The default implicit constraint action in MSSQL is RESTRICT
	253	# but you can not specify it explicitly. Go figure :)
	254	for ($on_delete, $on_update) {
	255	undef $_ if $_ eq 'RESTRICT'
	256	}
	257
028386aa	258	$c_def =
0a6e5a56	259	"ALTER TABLE $table_name_ur ADD CONSTRAINT $name_ur FOREIGN KEY".
7a0ceaa1	260	' (' . join( ', ', @fields ) . ') REFERENCES '.
0a6e5a56	261	unreserve($constraint->reference_table).
f9a5ee79	262	' (' . join( ', ', @rfields ) . ')'
	263	;
	264
5bac76bc	265	if ( $on_delete && $on_delete ne "NO ACTION") {
	266	$c_def .= " ON DELETE $on_delete";
	267	}
	268	if ( $on_update && $on_update ne "NO ACTION") {
	269	$c_def .= " ON UPDATE $on_update";
	270	}
f9a5ee79	271
	272	$c_def .= ";";
	273
	274	push @foreign_constraints, $c_def;
	275	next;
	276	}
	277
	278
	279	if ( $type eq PRIMARY_KEY ) {
028386aa	280	$name = ($name ? unreserve($name) : mk_name( $table_name . '_pk' ));
028386aa	281	$c_def =
f9a5ee79	282	"CONSTRAINT $name PRIMARY KEY ".
f9a5ee79	283	'(' . join( ', ', @fields ) . ')';
7a0ceaa1	284	}
7a0ceaa1	285	elsif ( $type eq UNIQUE ) {
0a6e5a56	286	$name = $name_ur \|\| mk_name( $table_name . '_uc' );
66444b41	287	my @nullable = grep { $_->is_nullable } $constraint->fields;
	288	if (!@nullable) {
	289	$c_def =
	290	"CONSTRAINT $name UNIQUE " .
	291	'(' . join( ', ', @fields ) . ')';
	292	} else {
	293	push @index_defs,
	294	"CREATE UNIQUE NONCLUSTERED INDEX $name_ur ON $table_name_ur (" .
	295	join( ', ', @fields ) . ')' .
	296	' WHERE ' . join( ' AND ', map unreserve($_->name) . ' IS NOT NULL', @nullable ) . ';';
	297	next;
	298	}
7a0ceaa1	299	}
04a180d6	300	push @constraint_defs, $c_def;
7a0ceaa1	301	}
	302
	303	#
	304	# Indices
	305	#
	306	for my $index ( $table->get_indices ) {
e2fb9ad3	307	my $idx_name = $index->name \|\| mk_name($table_name . '_idx');
0a6e5a56	308	my $idx_name_ur = unreserve($idx_name);
7a0ceaa1	309	push @index_defs,
0a6e5a56	310	"CREATE INDEX $idx_name_ur ON $table_name_ur (".
0a6e5a56	311	join( ', ', map unreserve($_), $index->fields ) . ");";
7a0ceaa1	312	}
	313
	314	my $create_statement = "";
	315	$create_statement .= qq[CREATE TABLE $table_name_ur (\n].
028386aa	316	join( ",\n",
7a0ceaa1	317	map { " $_" } @field_defs, @constraint_defs
	318	).
	319	"\n);"
	320	;
	321
	322	$output .= join( "\n\n",
	323	@comments,
	324	$create_statement,
	325	@index_defs,
7a0ceaa1	326	);
	327	}
	328
f9a5ee79	329	# Add FK constraints
	330	$output .= join ("\n", '', @foreign_constraints) if @foreign_constraints;
	331
e2fb9ad3	332	# create view/procedure are NOT prepended to the input $sql, needs
	333	# to be filled in with the proper syntax
	334
6fac033a	335	=pod
e2fb9ad3	336
7a0ceaa1	337	# Text of view is already a 'create view' statement so no need to
	338	# be fancy
	339	foreach ( $schema->get_views ) {
	340	my $name = $_->name();
	341	$output .= "\n\n";
5c5997ef	342	$output .= "--\n-- View: $name\n--\n\n" unless $no_comments;
3e0bcbfd	343	my $text = $_->sql();
e2fb9ad3	344	$text =~ s/\r//g;
5bb0a4ee	345	$output .= "$text\nGO\n";
7a0ceaa1	346	}
	347
	348	# Text of procedure already has the 'create procedure' stuff
	349	# so there is no need to do anything fancy. However, we should
	350	# think about doing fancy stuff with granting permissions and
	351	# so on.
	352	foreach ( $schema->get_procedures ) {
	353	my $name = $_->name();
	354	$output .= "\n\n";
5c5997ef	355	$output .= "--\n-- Procedure: $name\n--\n\n" unless $no_comments;
3e0bcbfd	356	my $text = $_->sql();
028386aa	357	$text =~ s/\r//g;
5bb0a4ee	358	$output .= "$text\nGO\n";
7a0ceaa1	359	}
e2fb9ad3	360	=cut
7a0ceaa1	361
	362	return $output;
	363	}
	364
7a0ceaa1	365	sub mk_name {
e2fb9ad3	366	my ($name, $scope, $critical) = @_;
7a0ceaa1	367
	368	$scope \|\|= \%global_names;
	369	if ( my $prev = $scope->{ $name } ) {
	370	my $name_orig = $name;
	371	$name .= sprintf( "%02d", ++$prev );
028386aa	372	substr($name, $max_id_length - 3) = "00"
7a0ceaa1	373	if length( $name ) > $max_id_length;
	374
	375	warn "The name '$name_orig' has been changed to ",
	376	"'$name' to make it unique.\n" if $WARN;
	377
	378	$scope->{ $name_orig }++;
	379	}
028386aa	380	$name = substr( $name, 0, $max_id_length )
7a0ceaa1	381	if ((length( $name ) > $max_id_length) && $critical);
7a0ceaa1	382	$scope->{ $name }++;
0a6e5a56	383	return unreserve($name);
7a0ceaa1	384	}
7a0ceaa1	385
f3fccb75	386	sub unreserve { $util->quote($_[0]) }
7a0ceaa1	387
	388	1;
	389
7a0ceaa1	390	=pod
	391
	392	=head1 SEE ALSO
	393
	394	SQL::Translator.
	395
	396	=head1 AUTHORS
	397
	398	Mark Addison E<lt>grommit@users.sourceforge.netE<gt> - Bulk of code from
	399	Sybase producer, I just tweaked it for SQLServer. Thanks.
	400
	401	=cut