[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 vars qw[ $DEBUG $WARN $VERSION ];
$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

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;
da06ac74	38	use vars qw[ $DEBUG $WARN $VERSION ];
11ad2df9	39	$VERSION = '1.59';
7a0ceaa1	40	$DEBUG = 1 unless defined $DEBUG;
	41
	42	use Data::Dumper;
	43	use SQL::Translator::Schema::Constants;
	44	use SQL::Translator::Utils qw(debug header_comment);
f3fccb75	45	use SQL::Translator::ProducerUtils;
0a6e5a56	46
f3fccb75	47	my $util = SQL::Translator::ProducerUtils->new( quote_chars => ['[', ']'] );
7a0ceaa1	48
	49	my %translate = (
	50	date => 'datetime',
	51	'time' => 'datetime',
	52	# Sybase types
	53	#integer => 'numeric',
	54	#int => 'numeric',
	55	#number => 'numeric',
	56	#money => 'money',
	57	#varchar => 'varchar',
	58	#varchar2 => 'varchar',
	59	#timestamp => 'datetime',
	60	#text => 'varchar',
	61	#real => 'double precision',
	62	#comment => 'text',
	63	#bit => 'bit',
	64	#tinyint => 'smallint',
	65	#float => 'double precision',
028386aa	66	#serial => 'numeric',
7a0ceaa1	67	#boolean => 'varchar',
	68	#char => 'char',
	69	#long => 'varchar',
	70	);
	71
7a0ceaa1	72	# If these datatypes have size appended the sql fails.
3e0bcbfd	73	my @no_size = qw/tinyint smallint int integer bigint text bit image datetime/;
7a0ceaa1	74
3e0bcbfd	75	my $max_id_length = 128;
7a0ceaa1	76	my %global_names;
7a0ceaa1	77
	78	=pod
	79
	80	=head1 SQLServer Create Table Syntax
	81
	82	TODO
	83
	84	=cut
	85
7a0ceaa1	86	sub produce {
	87	my $translator = shift;
	88	$DEBUG = $translator->debug;
	89	$WARN = $translator->show_warnings;
	90	my $no_comments = $translator->no_comments;
	91	my $add_drop_table = $translator->add_drop_table;
	92	my $schema = $translator->schema;
	93
e2fb9ad3	94	%global_names = (); #reset
e2fb9ad3	95
7a0ceaa1	96	my $output;
	97	$output .= header_comment."\n" unless ($no_comments);
	98
d02c3cd2	99	# Generate the DROP statements.
7a0ceaa1	100	if ($add_drop_table) {
d02c3cd2	101	my @tables = sort { $b->order <=> $a->order } $schema->get_tables;
	102	$output .= "--\n-- Turn off constraints\n--\n\n" unless $no_comments;
	103	foreach my $table (@tables) {
	104	my $name = $table->name;
	105	my $q_name = unreserve($name);
	106	$output .= "IF EXISTS (SELECT name FROM sysobjects WHERE name = '$name' AND type = 'U') ALTER TABLE $q_name NOCHECK CONSTRAINT all;\n"
	107	}
	108	$output .= "\n";
7a0ceaa1	109	$output .= "--\n-- Drop tables\n--\n\n" unless $no_comments;
d02c3cd2	110	foreach my $table (@tables) {
0a6e5a56	111	my $name = $table->name;
0a6e5a56	112	my $q_name = unreserve($name);
d02c3cd2	113	$output .= "IF EXISTS (SELECT name FROM sysobjects WHERE name = '$name' AND type = 'U') DROP TABLE $q_name;\n"
7a0ceaa1	114	}
	115	}
	116
	117	# Generate the CREATE sql
f9a5ee79	118
	119	my @foreign_constraints = (); # these need to be added separately, as tables may not exist yet
	120
7a0ceaa1	121	for my $table ( $schema->get_tables ) {
7a0ceaa1	122	my $table_name = $table->name or next;
7a0ceaa1	123	my $table_name_ur = unreserve($table_name) \|\| '';
	124
	125	my ( @comments, @field_defs, @index_defs, @constraint_defs );
	126
	127	push @comments, "\n\n--\n-- Table: $table_name_ur\n--"
	128	unless $no_comments;
	129
	130	push @comments, map { "-- $_" } $table->comments;
	131
	132	#
	133	# Fields
	134	#
	135	my %field_name_scope;
	136	for my $field ( $table->get_fields ) {
e2fb9ad3	137	my $field_name = $field->name;
0a6e5a56	138	my $field_name_ur = unreserve( $field_name );
7a0ceaa1	139	my $field_def = qq["$field_name_ur"];
	140	$field_def =~ s/\"//g;
	141	if ( $field_def =~ /identity/ ){
	142	$field_def =~ s/identity/pidentity/;
	143	}
	144
	145	#
	146	# Datatype
	147	#
	148	my $data_type = lc $field->data_type;
	149	my $orig_data_type = $data_type;
	150	my %extra = $field->extra;
	151	my $list = $extra{'list'} \|\| [];
	152	# \todo deal with embedded quotes
	153	my $commalist = join( ', ', map { qq['$_'] } @$list );
7a0ceaa1	154
7a0ceaa1	155	if ( $data_type eq 'enum' ) {
e2fb9ad3	156	my $check_name = mk_name( $field_name . '_chk' );
7a0ceaa1	157	push @constraint_defs,
e2fb9ad3	158	"CONSTRAINT $check_name CHECK ($field_name IN ($commalist))";
7a0ceaa1	159	$data_type .= 'character varying';
	160	}
	161	elsif ( $data_type eq 'set' ) {
	162	$data_type .= 'character varying';
	163	}
f9a5ee79	164	elsif ( grep { $data_type eq $_ } qw/bytea blob clob/ ) {
	165	$data_type = 'varbinary';
	166	}
7a0ceaa1	167	else {
	168	if ( defined $translate{ $data_type } ) {
	169	$data_type = $translate{ $data_type };
	170	}
	171	else {
	172	warn "Unknown datatype: $data_type ",
	173	"($table_name.$field_name)\n" if $WARN;
	174	}
	175	}
	176
	177	my $size = $field->size;
	178	if ( grep $_ eq $data_type, @no_size) {
	179	# SQLServer doesn't seem to like sizes on some datatypes
	180	$size = undef;
	181	}
	182	elsif ( !$size ) {
	183	if ( $data_type =~ /numeric/ ) {
	184	$size = '9,0';
	185	}
	186	elsif ( $orig_data_type eq 'text' ) {
	187	#interpret text fields as long varchars
	188	$size = '255';
	189	}
	190	elsif (
	191	$data_type eq 'varchar' &&
	192	$orig_data_type eq 'boolean'
	193	) {
	194	$size = '6';
	195	}
	196	elsif ( $data_type eq 'varchar' ) {
	197	$size = '255';
	198	}
	199	}
	200
	201	$field_def .= " $data_type";
	202	$field_def .= "($size)" if $size;
	203
	204	$field_def .= ' IDENTITY' if $field->is_auto_increment;
	205
	206	#
1426be03	207	# Not null constraint
	208	#
	209	unless ( $field->is_nullable ) {
	210	$field_def .= ' NOT NULL';
	211	}
	212	else {
	213	$field_def .= ' NULL' if $data_type ne 'bit';
	214	}
1426be03	215
1426be03	216	#
7a0ceaa1	217	# Default value
7a0ceaa1	218	#
06baeb21	219	SQL::Translator::Producer->_apply_default_value(
	220	$field,
	221	\$field_def,
	222	[
	223	'NULL' => \'NULL',
	224	],
	225	);
bc8e2aa1	226
028386aa	227	push @field_defs, $field_def;
7a0ceaa1	228	}
	229
	230	#
	231	# Constraint Declarations
	232	#
	233	my @constraint_decs = ();
7a0ceaa1	234	for my $constraint ( $table->get_constraints ) {
7a0ceaa1	235	my $name = $constraint->name \|\| '';
0a6e5a56	236	my $name_ur = unreserve($name);
7a0ceaa1	237	# Make sure we get a unique name
7a0ceaa1	238	my $type = $constraint->type \|\| NORMAL;
0a6e5a56	239	my @fields = map { unreserve( $_ ) }
7a0ceaa1	240	$constraint->fields;
0a6e5a56	241	my @rfields = map { unreserve( $_ ) }
7a0ceaa1	242	$constraint->reference_fields;
	243	next unless @fields;
	244
5bac76bc	245	my $c_def;
f9a5ee79	246	if ( $type eq FOREIGN_KEY ) {
e2fb9ad3	247	$name \|\|= mk_name( $table_name . '_fk' );
5bac76bc	248	my $on_delete = uc ($constraint->on_delete \|\| '');
	249	my $on_update = uc ($constraint->on_update \|\| '');
	250
	251	# The default implicit constraint action in MSSQL is RESTRICT
	252	# but you can not specify it explicitly. Go figure :)
	253	for ($on_delete, $on_update) {
	254	undef $_ if $_ eq 'RESTRICT'
	255	}
	256
028386aa	257	$c_def =
0a6e5a56	258	"ALTER TABLE $table_name_ur ADD CONSTRAINT $name_ur FOREIGN KEY".
7a0ceaa1	259	' (' . join( ', ', @fields ) . ') REFERENCES '.
0a6e5a56	260	unreserve($constraint->reference_table).
f9a5ee79	261	' (' . join( ', ', @rfields ) . ')'
	262	;
	263
5bac76bc	264	if ( $on_delete && $on_delete ne "NO ACTION") {
	265	$c_def .= " ON DELETE $on_delete";
	266	}
	267	if ( $on_update && $on_update ne "NO ACTION") {
	268	$c_def .= " ON UPDATE $on_update";
	269	}
f9a5ee79	270
	271	$c_def .= ";";
	272
	273	push @foreign_constraints, $c_def;
	274	next;
	275	}
	276
	277
	278	if ( $type eq PRIMARY_KEY ) {
028386aa	279	$name = ($name ? unreserve($name) : mk_name( $table_name . '_pk' ));
028386aa	280	$c_def =
f9a5ee79	281	"CONSTRAINT $name PRIMARY KEY ".
f9a5ee79	282	'(' . join( ', ', @fields ) . ')';
7a0ceaa1	283	}
7a0ceaa1	284	elsif ( $type eq UNIQUE ) {
0a6e5a56	285	$name = $name_ur \|\| mk_name( $table_name . '_uc' );
66444b41	286	my @nullable = grep { $_->is_nullable } $constraint->fields;
	287	if (!@nullable) {
	288	$c_def =
	289	"CONSTRAINT $name UNIQUE " .
	290	'(' . join( ', ', @fields ) . ')';
	291	} else {
	292	push @index_defs,
	293	"CREATE UNIQUE NONCLUSTERED INDEX $name_ur ON $table_name_ur (" .
	294	join( ', ', @fields ) . ')' .
	295	' WHERE ' . join( ' AND ', map unreserve($_->name) . ' IS NOT NULL', @nullable ) . ';';
	296	next;
	297	}
7a0ceaa1	298	}
04a180d6	299	push @constraint_defs, $c_def;
7a0ceaa1	300	}
	301
	302	#
	303	# Indices
	304	#
	305	for my $index ( $table->get_indices ) {
e2fb9ad3	306	my $idx_name = $index->name \|\| mk_name($table_name . '_idx');
0a6e5a56	307	my $idx_name_ur = unreserve($idx_name);
7a0ceaa1	308	push @index_defs,
0a6e5a56	309	"CREATE INDEX $idx_name_ur ON $table_name_ur (".
0a6e5a56	310	join( ', ', map unreserve($_), $index->fields ) . ");";
7a0ceaa1	311	}
	312
	313	my $create_statement = "";
	314	$create_statement .= qq[CREATE TABLE $table_name_ur (\n].
028386aa	315	join( ",\n",
7a0ceaa1	316	map { " $_" } @field_defs, @constraint_defs
	317	).
	318	"\n);"
	319	;
	320
	321	$output .= join( "\n\n",
	322	@comments,
	323	$create_statement,
	324	@index_defs,
7a0ceaa1	325	);
	326	}
	327
f9a5ee79	328	# Add FK constraints
	329	$output .= join ("\n", '', @foreign_constraints) if @foreign_constraints;
	330
e2fb9ad3	331	# create view/procedure are NOT prepended to the input $sql, needs
	332	# to be filled in with the proper syntax
	333
6fac033a	334	=pod
e2fb9ad3	335
7a0ceaa1	336	# Text of view is already a 'create view' statement so no need to
	337	# be fancy
	338	foreach ( $schema->get_views ) {
	339	my $name = $_->name();
	340	$output .= "\n\n";
5c5997ef	341	$output .= "--\n-- View: $name\n--\n\n" unless $no_comments;
3e0bcbfd	342	my $text = $_->sql();
e2fb9ad3	343	$text =~ s/\r//g;
5bb0a4ee	344	$output .= "$text\nGO\n";
7a0ceaa1	345	}
	346
	347	# Text of procedure already has the 'create procedure' stuff
	348	# so there is no need to do anything fancy. However, we should
	349	# think about doing fancy stuff with granting permissions and
	350	# so on.
	351	foreach ( $schema->get_procedures ) {
	352	my $name = $_->name();
	353	$output .= "\n\n";
5c5997ef	354	$output .= "--\n-- Procedure: $name\n--\n\n" unless $no_comments;
3e0bcbfd	355	my $text = $_->sql();
028386aa	356	$text =~ s/\r//g;
5bb0a4ee	357	$output .= "$text\nGO\n";
7a0ceaa1	358	}
e2fb9ad3	359	=cut
7a0ceaa1	360
	361	return $output;
	362	}
	363
7a0ceaa1	364	sub mk_name {
e2fb9ad3	365	my ($name, $scope, $critical) = @_;
7a0ceaa1	366
	367	$scope \|\|= \%global_names;
	368	if ( my $prev = $scope->{ $name } ) {
	369	my $name_orig = $name;
	370	$name .= sprintf( "%02d", ++$prev );
028386aa	371	substr($name, $max_id_length - 3) = "00"
7a0ceaa1	372	if length( $name ) > $max_id_length;
	373
	374	warn "The name '$name_orig' has been changed to ",
	375	"'$name' to make it unique.\n" if $WARN;
	376
	377	$scope->{ $name_orig }++;
	378	}
028386aa	379	$name = substr( $name, 0, $max_id_length )
7a0ceaa1	380	if ((length( $name ) > $max_id_length) && $critical);
7a0ceaa1	381	$scope->{ $name }++;
0a6e5a56	382	return unreserve($name);
7a0ceaa1	383	}
7a0ceaa1	384
f3fccb75	385	sub unreserve { $util->quote($_[0]) }
7a0ceaa1	386
	387	1;
	388
7a0ceaa1	389	=pod
	390
	391	=head1 SEE ALSO
	392
	393	SQL::Translator.
	394
	395	=head1 AUTHORS
	396
	397	Mark Addison E<lt>grommit@users.sourceforge.netE<gt> - Bulk of code from
	398	Sybase producer, I just tweaked it for SQLServer. Thanks.
	399
	400	=cut