[dbsrgits/SQL-Translator.git] / lib / SQL / Translator / Parser / Access.pm

package SQL::Translator::Parser::Access;

=head1 NAME

SQL::Translator::Parser::Access - parser for Access as produced by mdbtools

=head1 SYNOPSIS

  use SQL::Translator;
  use SQL::Translator::Parser::Access;

  my $translator = SQL::Translator->new;
  $translator->parser("SQL::Translator::Parser::Access");

=head1 DESCRIPTION

The grammar derived from the MySQL grammar.  The input is expected to be 
something similar to the output of mdbtools (http://mdbtools.sourceforge.net/).

=cut

use strict;
use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ];
$VERSION = '1.59';
$DEBUG   = 0 unless defined $DEBUG;

use Data::Dumper;
use Parse::RecDescent;
use Exporter;
use base qw(Exporter);

@EXPORT_OK = qw(parse);

# Enable warnings within the Parse::RecDescent module.
$::RD_ERRORS = 1; # Make sure the parser dies when it encounters an error
$::RD_WARN   = 1; # Enable warnings. This will warn on unused rules &c.
$::RD_HINT   = 1; # Give out hints to help fix problems.

$GRAMMAR = q!

{ 
    my ( %tables, $table_order, @table_comments );
}

#
# The "eofile" rule makes the parser fail if any "statement" rule
# fails.  Otherwise, the first successful match by a "statement" 
# won't cause the failure needed to know that the parse, as a whole,
# failed. -ky
#
startrule : statement(s) eofile { \%tables }

eofile : /^\Z/

statement : comment
    | use
    | set
    | drop
    | create
    | <error>

use : /use/i WORD ';'
    { @table_comments = () }

set : /set/i /[^;]+/ ';'
    { @table_comments = () }

drop : /drop/i TABLE /[^;]+/ ';'

drop : /drop/i WORD(s) ';'
    { @table_comments = () }

create : CREATE /database/i WORD ';'
    { @table_comments = () }

create : CREATE TABLE table_name '(' create_definition(s /,/) ')' ';'
    { 
        my $table_name                       = $item{'table_name'};
        $tables{ $table_name }{'order'}      = ++$table_order;
        $tables{ $table_name }{'table_name'} = $table_name;

        if ( @table_comments ) {
            $tables{ $table_name }{'comments'} = [ @table_comments ];
            @table_comments = ();
        }

        my $i = 1;
        for my $definition ( @{ $item[5] } ) {
            if ( $definition->{'supertype'} eq 'field' ) {
                my $field_name = $definition->{'name'};
                $tables{ $table_name }{'fields'}{ $field_name } = 
                    { %$definition, order => $i };
                $i++;
        
                if ( $definition->{'is_primary_key'} ) {
                    push @{ $tables{ $table_name }{'constraints'} },
                        {
                            type   => 'primary_key',
                            fields => [ $field_name ],
                        }
                    ;
                }
            }
            elsif ( $definition->{'supertype'} eq 'constraint' ) {
                push @{ $tables{ $table_name }{'constraints'} }, $definition;
            }
            elsif ( $definition->{'supertype'} eq 'index' ) {
                push @{ $tables{ $table_name }{'indices'} }, $definition;
            }
        }

        1;
    }

create : CREATE UNIQUE(?) /(index|key)/i index_name /on/i table_name '(' field_name(s /,/) ')' ';'
    {
        @table_comments = ();
        push @{ $tables{ $item{'table_name'} }{'indices'} },
            {
                name   => $item[4],
                type   => $item[2] ? 'unique' : 'normal',
                fields => $item[8],
            }
        ;
    }

create_definition : constraint 
    | index
    | field
    | comment
    | <error>

comment : /^\s*--(.*)\n/ 
    { 
        my $comment =  $1;
        $return     = $comment;
        push @table_comments, $comment;
    }

field : field_name data_type field_qualifier(s?) reference_definition(?)
    { 
        $return = { 
            supertype   => 'field',
            name        => $item{'field_name'}, 
            data_type   => $item{'data_type'}{'type'},
            size        => $item{'data_type'}{'size'},
            constraints => $item{'reference_definition(?)'},
        } 
    }
    | <error>

field_qualifier : not_null
    { 
        $return = { 
             null => $item{'not_null'},
        } 
    }

field_qualifier : default_val
    { 
        $return = { 
             default => $item{'default_val'},
        } 
    }

field_qualifier : auto_inc
    { 
        $return = { 
             is_auto_inc => $item{'auto_inc'},
        } 
    }

field_qualifier : primary_key
    { 
        $return = { 
             is_primary_key => $item{'primary_key'},
        } 
    }

field_qualifier : unsigned
    { 
        $return = { 
             is_unsigned => $item{'unsigned'},
        } 
    }

field_qualifier : /character set/i WORD
    {
        $return = {
            character_set => $item[2],
        }
    }

reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete(?) on_update(?)
    {
        $return = {
            type             => 'foreign_key',
            reference_table  => $item[2],
            reference_fields => $item[3][0],
            match_type       => $item[4][0],
            on_delete        => $item[5][0],
            on_update        => $item[6][0],
        }
    }

match_type : /match full/i { 'full' }
    |
    /match partial/i { 'partial' }

on_delete : /on delete/i reference_option
    { $item[2] }

on_update : /on update/i reference_option
    { $item[2] }

reference_option: /restrict/i | 
    /cascade/i   | 
    /set null/i  | 
    /no action/i | 
    /set default/i
    { $item[1] }  

index : normal_index
    | fulltext_index
    | <error>

table_name   : NAME

field_name   : NAME

index_name   : NAME

data_type    : access_data_type parens_value_list(s?) type_qualifier(s?)
    { 
        $return        = { 
            type       => $item[1],
            size       => $item[2][0],
            qualifiers => $item[3],
        } 
    }

access_data_type : /long integer/i { $return = 'Long Integer' }
    | /text/i { $return = 'Text' }
    | /datetime (\(short\))?/i { $return = 'DateTime' }
    | /boolean/i { $return = 'Boolean' }
    | WORD

parens_field_list : '(' field_name(s /,/) ')'
    { $item[2] }

parens_value_list : '(' VALUE(s /,/) ')'
    { $item[2] }

type_qualifier : /(BINARY|UNSIGNED|ZEROFILL)/i
    { lc $item[1] }

field_type   : WORD

create_index : /create/i /index/i

not_null     : /not/i /null/i { $return = 0 }

unsigned     : /unsigned/i { $return = 0 }

default_val : /default/i /'(?:.*?\\')*.*?'|(?:')?[\w\d:.-]*(?:')?/
    {
        $item[2] =~ s/^\s*'|'\s*$//g;
        $return  =  $item[2];
    }

auto_inc : /auto_increment/i { 1 }

primary_key : /primary/i /key/i { 1 }

constraint : primary_key_def
    | unique_key_def
    | foreign_key_def
    | <error>

foreign_key_def : foreign_key_def_begin parens_field_list reference_definition
    {
        $return              =  {
            supertype        => 'constraint',
            type             => 'foreign_key',
            name             => $item[1],
            fields           => $item[2],
            %{ $item{'reference_definition'} },
        }
    }

foreign_key_def_begin : /constraint/i /foreign key/i 
    { $return = '' }
    |
    /constraint/i WORD /foreign key/i
    { $return = $item[2] }
    |
    /foreign key/i
    { $return = '' }

primary_key_def : primary_key index_name(?) '(' name_with_opt_paren(s /,/) ')'
    { 
        $return       = { 
            supertype => 'constraint',
            name      => $item{'index_name(?)'}[0],
            type      => 'primary_key',
            fields    => $item[4],
        };
    }

unique_key_def : UNIQUE KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')'
    { 
        $return       = { 
            supertype => 'constraint',
            name      => $item{'index_name(?)'}[0],
            type      => 'unique',
            fields    => $item[5],
        } 
    }

normal_index : KEY index_name(?) '(' name_with_opt_paren(s /,/) ')'
    { 
        $return       = { 
            supertype => 'index',
            type      => 'normal',
            name      => $item{'index_name(?)'}[0],
            fields    => $item[4],
        } 
    }

fulltext_index : /fulltext/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')'
    { 
        $return       = { 
            supertype => 'index',
            type      => 'fulltext',
            name      => $item{'index_name(?)'}[0],
            fields    => $item[5],
        } 
    }

name_with_opt_paren : NAME parens_value_list(s?)
    { $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] }

UNIQUE : /unique/i { 1 }

KEY : /key/i | /index/i

table_option : WORD /\s*=\s*/ WORD
    { 
        $return = { $item[1] => $item[3] };
    }

CREATE : /create/i

TEMPORARY : /temporary/i

TABLE : /table/i

WORD : /\w+/

DIGITS : /\d+/

COMMA : ','

NAME    : "`" /\w+/ "`"
    { $item[2] }
    | /\w+/
    { $item[1] }

VALUE   : /[-+]?\.?\d+(?:[eE]\d+)?/
    { $item[1] }
    | /'.*?'/   
    { 
        # remove leading/trailing quotes 
        my $val = $item[1];
        $val    =~ s/^['"]|['"]$//g;
        $return = $val;
    }
    | /NULL/
    { 'NULL' }

!;

# -------------------------------------------------------------------
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->{'table_name'},
        ) or die $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->{'null'},
                comments          => $fdata->{'comments'},
            ) or die $table->error;

            $table->primary_key( $field->name ) if $fdata->{'is_primary_key'};
        }

        for my $idata ( @{ $tdata->{'indices'} || [] } ) {
            my $index  =  $table->add_index(
                name   => $idata->{'name'},
                type   => uc $idata->{'type'},
                fields => $idata->{'fields'},
            ) or die $table->error;
        }
    }

    return 1;
}

1;

# -------------------------------------------------------------------
# Where man is not nature is barren.
# William Blake
# -------------------------------------------------------------------

=pod

=head1 AUTHOR

Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.

=head1 SEE ALSO

perl(1), Parse::RecDescent, SQL::Translator::Schema.

=cut
Commit	Line	Data
7c44825c	1	package SQL::Translator::Parser::Access;
7c44825c	2
7c44825c	3	=head1 NAME
	4
	5	SQL::Translator::Parser::Access - parser for Access as produced by mdbtools
	6
	7	=head1 SYNOPSIS
	8
	9	use SQL::Translator;
	10	use SQL::Translator::Parser::Access;
	11
	12	my $translator = SQL::Translator->new;
	13	$translator->parser("SQL::Translator::Parser::Access");
	14
	15	=head1 DESCRIPTION
	16
	17	The grammar derived from the MySQL grammar. The input is expected to be
	18	something similar to the output of mdbtools (http://mdbtools.sourceforge.net/).
	19
	20	=cut
	21
	22	use strict;
da06ac74	23	use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ];
11ad2df9	24	$VERSION = '1.59';
7c44825c	25	$DEBUG = 0 unless defined $DEBUG;
	26
	27	use Data::Dumper;
	28	use Parse::RecDescent;
	29	use Exporter;
	30	use base qw(Exporter);
	31
	32	@EXPORT_OK = qw(parse);
	33
	34	# Enable warnings within the Parse::RecDescent module.
	35	$::RD_ERRORS = 1; # Make sure the parser dies when it encounters an error
	36	$::RD_WARN = 1; # Enable warnings. This will warn on unused rules &c.
	37	$::RD_HINT = 1; # Give out hints to help fix problems.
	38
	39	$GRAMMAR = q!
	40
	41	{
	42	my ( %tables, $table_order, @table_comments );
	43	}
	44
	45	#
	46	# The "eofile" rule makes the parser fail if any "statement" rule
	47	# fails. Otherwise, the first successful match by a "statement"
	48	# won't cause the failure needed to know that the parse, as a whole,
	49	# failed. -ky
	50	#
	51	startrule : statement(s) eofile { \%tables }
	52
	53	eofile : /^\Z/
	54
	55	statement : comment
	56	\| use
	57	\| set
	58	\| drop
	59	\| create
	60	\| <error>
	61
	62	use : /use/i WORD ';'
	63	{ @table_comments = () }
	64
	65	set : /set/i /[^;]+/ ';'
	66	{ @table_comments = () }
	67
	68	drop : /drop/i TABLE /[^;]+/ ';'
	69
	70	drop : /drop/i WORD(s) ';'
	71	{ @table_comments = () }
	72
	73	create : CREATE /database/i WORD ';'
	74	{ @table_comments = () }
	75
	76	create : CREATE TABLE table_name '(' create_definition(s /,/) ')' ';'
	77	{
	78	my $table_name = $item{'table_name'};
	79	$tables{ $table_name }{'order'} = ++$table_order;
	80	$tables{ $table_name }{'table_name'} = $table_name;
	81
	82	if ( @table_comments ) {
	83	$tables{ $table_name }{'comments'} = [ @table_comments ];
	84	@table_comments = ();
	85	}
	86
	87	my $i = 1;
	88	for my $definition ( @{ $item[5] } ) {
89	if ( $definition->{'supertype'} eq 'field' ) {
90	my $field_name = $definition->{'name'};
91	$tables{ $table_name }{'fields'}{ $field_name } =
92	{ %$definition, order => $i };
93	$i++;
94
95	if ( $definition->{'is_primary_key'} ) {
96	push @{ $tables{ $table_name }{'constraints'} },
97	{
98	type => 'primary_key',
99	fields => [ $field_name ],
100	}
101	;
102	}
103	}
104	elsif ( $definition->{'supertype'} eq 'constraint' ) {
105	push @{ $tables{ $table_name }{'constraints'} }, $definition;
106	}
107	elsif ( $definition->{'supertype'} eq 'index' ) {
108	push @{ $tables{ $table_name }{'indices'} }, $definition;
109	}
110	}
111
112	1;
113	}
114
115	create : CREATE UNIQUE(?) /(index\|key)/i index_name /on/i table_name '(' field_name(s /,/) ')' ';'
116	{
117	@table_comments = ();
118	push @{ $tables{ $item{'table_name'} }{'indices'} },
119	{
120	name => $item[4],
121	type => $item[2] ? 'unique' : 'normal',
122	fields => $item[8],
123	}
124	;
125	}
126
127	create_definition : constraint
128	\| index
129	\| field
130	\| comment
131	\| <error>
132
133	comment : /^\s--(.)\n/
134	{
135	my $comment = $1;
136	$return = $comment;
137	push @table_comments, $comment;
138	}
139
140	field : field_name data_type field_qualifier(s?) reference_definition(?)
141	{
7c44825c	142	$return = {
	143	supertype => 'field',
	144	name => $item{'field_name'},
	145	data_type => $item{'data_type'}{'type'},
	146	size => $item{'data_type'}{'size'},
7c44825c	147	constraints => $item{'reference_definition(?)'},
7c44825c	148	}
	149	}
	150	\| <error>
	151
	152	field_qualifier : not_null
	153	{
	154	$return = {
	155	null => $item{'not_null'},
	156	}
	157	}
	158
	159	field_qualifier : default_val
	160	{
	161	$return = {
	162	default => $item{'default_val'},
	163	}
	164	}
	165
	166	field_qualifier : auto_inc
	167	{
	168	$return = {
	169	is_auto_inc => $item{'auto_inc'},
	170	}
	171	}
	172
	173	field_qualifier : primary_key
	174	{
	175	$return = {
	176	is_primary_key => $item{'primary_key'},
	177	}
	178	}
	179
	180	field_qualifier : unsigned
	181	{
	182	$return = {
	183	is_unsigned => $item{'unsigned'},
	184	}
	185	}
	186
	187	field_qualifier : /character set/i WORD
	188	{
	189	$return = {
	190	character_set => $item[2],
	191	}
	192	}
	193
100684f3	194	reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete(?) on_update(?)
7c44825c	195	{
	196	$return = {
	197	type => 'foreign_key',
	198	reference_table => $item[2],
	199	reference_fields => $item[3][0],
	200	match_type => $item[4][0],
100684f3	201	on_delete => $item[5][0],
100684f3	202	on_update => $item[6][0],
7c44825c	203	}
	204	}
	205
	206	match_type : /match full/i { 'full' }
	207	\|
	208	/match partial/i { 'partial' }
	209
100684f3	210	on_delete : /on delete/i reference_option
7c44825c	211	{ $item[2] }
7c44825c	212
100684f3	213	on_update : /on update/i reference_option
7c44825c	214	{ $item[2] }
	215
	216	reference_option: /restrict/i \|
	217	/cascade/i \|
	218	/set null/i \|
	219	/no action/i \|
	220	/set default/i
	221	{ $item[1] }
	222
	223	index : normal_index
	224	\| fulltext_index
	225	\| <error>
	226
	227	table_name : NAME
	228
	229	field_name : NAME
	230
	231	index_name : NAME
	232
	233	data_type : access_data_type parens_value_list(s?) type_qualifier(s?)
	234	{
	235	$return = {
	236	type => $item[1],
	237	size => $item[2][0],
	238	qualifiers => $item[3],
	239	}
	240	}
	241
	242	access_data_type : /long integer/i { $return = 'Long Integer' }
	243	\| /text/i { $return = 'Text' }
	244	\| /datetime (\(short\))?/i { $return = 'DateTime' }
	245	\| /boolean/i { $return = 'Boolean' }
	246	\| WORD
	247
	248	parens_field_list : '(' field_name(s /,/) ')'
	249	{ $item[2] }
	250
	251	parens_value_list : '(' VALUE(s /,/) ')'
	252	{ $item[2] }
	253
	254	type_qualifier : /(BINARY\|UNSIGNED\|ZEROFILL)/i
	255	{ lc $item[1] }
	256
	257	field_type : WORD
	258
	259	create_index : /create/i /index/i
	260
	261	not_null : /not/i /null/i { $return = 0 }
	262
	263	unsigned : /unsigned/i { $return = 0 }
	264
	265	default_val : /default/i /'(?:.?\\').?'\|(?:')?[\w\d:.-](?:')?/
	266	{
	267	$item[2] =~ s/^\s'\|'\s$//g;
	268	$return = $item[2];
	269	}
	270
	271	auto_inc : /auto_increment/i { 1 }
	272
	273	primary_key : /primary/i /key/i { 1 }
	274
	275	constraint : primary_key_def
	276	\| unique_key_def
	277	\| foreign_key_def
278	\| <error>
279
280	foreign_key_def : foreign_key_def_begin parens_field_list reference_definition
281	{
282	$return = {
283	supertype => 'constraint',
284	type => 'foreign_key',
285	name => $item[1],
286	fields => $item[2],
287	%{ $item{'reference_definition'} },
288	}
289	}
290
291	foreign_key_def_begin : /constraint/i /foreign key/i
292	{ $return = '' }
293	\|
294	/constraint/i WORD /foreign key/i
295	{ $return = $item[2] }
296	\|
297	/foreign key/i
298	{ $return = '' }
299
300	primary_key_def : primary_key index_name(?) '(' name_with_opt_paren(s /,/) ')'
301	{
302	$return = {
303	supertype => 'constraint',
304	name => $item{'index_name(?)'}[0],
305	type => 'primary_key',
306	fields => $item[4],
307	};
308	}
309
310	unique_key_def : UNIQUE KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')'
311	{
312	$return = {
313	supertype => 'constraint',
314	name => $item{'index_name(?)'}[0],
315	type => 'unique',
316	fields => $item[5],
317	}
318	}
319
320	normal_index : KEY index_name(?) '(' name_with_opt_paren(s /,/) ')'
321	{
322	$return = {
323	supertype => 'index',
324	type => 'normal',
325	name => $item{'index_name(?)'}[0],
326	fields => $item[4],
327	}
328	}
329
330	fulltext_index : /fulltext/i KEY(?) index_name(?) '(' name_with_opt_paren(s /,/) ')'
331	{
332	$return = {
333	supertype => 'index',
334	type => 'fulltext',
335	name => $item{'index_name(?)'}[0],
336	fields => $item[5],
337	}
338	}
339
340	name_with_opt_paren : NAME parens_value_list(s?)
341	{ $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] }
342
343	UNIQUE : /unique/i { 1 }
344
345	KEY : /key/i \| /index/i
346
347	table_option : WORD /\s=\s/ WORD
348	{
349	$return = { $item[1] => $item[3] };
350	}
351
352	CREATE : /create/i
353
354	TEMPORARY : /temporary/i
355
356	TABLE : /table/i
357
358	WORD : /\w+/
359
360	DIGITS : /\d+/
361
362	COMMA : ','
363
364	NAME : "`" /\w+/ "`"
365	{ $item[2] }
366	\| /\w+/
367	{ $item[1] }
368
369	VALUE : /[-+]?\.?\d+(?:[eE]\d+)?/
370	{ $item[1] }
371	\| /'.*?'/
372	{
373	# remove leading/trailing quotes
374	my $val = $item[1];
375	$val =~ s/^['"]\|['"]$//g;
376	$return = $val;
377	}
378	\| /NULL/
379	{ 'NULL' }
380
381	!;
382
383	# -------------------------------------------------------------------
384	sub parse {
385	my ( $translator, $data ) = @_;
386	my $parser = Parse::RecDescent->new($GRAMMAR);
387
388	local $::RD_TRACE = $translator->trace ? 1 : undef;
389	local $DEBUG = $translator->debug;
390
391	unless (defined $parser) {
392	return $translator->error("Error instantiating Parse::RecDescent ".
393	"instance: Bad grammer");
394	}
395
396	my $result = $parser->startrule($data);
397	return $translator->error( "Parse failed." ) unless defined $result;
398	warn Dumper( $result ) if $DEBUG;
399
400	my $schema = $translator->schema;
401	my @tables = sort {
402	$result->{ $a }->{'order'} <=> $result->{ $b }->{'order'}
403	} keys %{ $result };
404
405	for my $table_name ( @tables ) {
406	my $tdata = $result->{ $table_name };
407	my $table = $schema->add_table(
408	name => $tdata->{'table_name'},
409	) or die $schema->error;
410
411	$table->comments( $tdata->{'comments'} );
412
413	my @fields = sort {
414	$tdata->{'fields'}->{$a}->{'order'}
415	<=>
416	$tdata->{'fields'}->{$b}->{'order'}
417	} keys %{ $tdata->{'fields'} };
418
419	for my $fname ( @fields ) {
420	my $fdata = $tdata->{'fields'}{ $fname };
421	my $field = $table->add_field(
422	name => $fdata->{'name'},
423	data_type => $fdata->{'data_type'},
424	size => $fdata->{'size'},
425	default_value => $fdata->{'default'},
426	is_auto_increment => $fdata->{'is_auto_inc'},
427	is_nullable => $fdata->{'null'},
428	comments => $fdata->{'comments'},
429	) or die $table->error;
430
431	$table->primary_key( $field->name ) if $fdata->{'is_primary_key'};
7c44825c	432	}
	433
	434	for my $idata ( @{ $tdata->{'indices'} \|\| [] } ) {
	435	my $index = $table->add_index(
	436	name => $idata->{'name'},
	437	type => uc $idata->{'type'},
	438	fields => $idata->{'fields'},
	439	) or die $table->error;
	440	}
7c44825c	441	}
	442
	443	return 1;
	444	}
	445
	446	1;
	447
	448	# -------------------------------------------------------------------
	449	# Where man is not nature is barren.
	450	# William Blake
	451	# -------------------------------------------------------------------
	452
	453	=pod
	454
	455	=head1 AUTHOR
	456
11ad2df9	457	Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
7c44825c	458
	459	=head1 SEE ALSO
	460
	461	perl(1), Parse::RecDescent, SQL::Translator::Schema.
	462
	463	=cut