package SQL::Translator::Parser::PostgreSQL;
# -------------------------------------------------------------------
-# $Id: PostgreSQL.pm,v 1.14 2003-05-03 15:40:18 kycl4rk Exp $
+# $Id: PostgreSQL.pm,v 1.31 2003-08-21 18:08:04 kycl4rk Exp $
# -------------------------------------------------------------------
# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>,
# Allen Day <allenday@users.sourceforge.net>,
use strict;
use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.14 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.31 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
$GRAMMAR = q!
-{ our ( %tables, $table_order ) }
+{ my ( %tables, $table_order ) }
#
# The "eofile" rule makes the parser fail if any "statement" rule
| grant
| revoke
| drop
+ | insert
| connect
+ | update
| set
| <error>
connect : /^\s*\\\connect.*\n/
-set : /SET/ /[^;]*/ ';'
+set : /set/i /[^;]*/ ';'
-revoke : /revoke/i WORD(s /,/) /on/i table_name /from/i name_with_opt_quotes(s /,/) ';'
+revoke : /revoke/i WORD(s /,/) /on/i TABLE(?) table_name /from/i name_with_opt_quotes(s /,/) ';'
{
my $table_name = $item{'table_name'};
push @{ $tables{ $table_name }{'permissions'} }, {
type => 'revoke',
actions => $item[2],
- users => $item[6],
+ users => $item[7],
}
}
-grant : /grant/i WORD(s /,/) /on/i table_name /to/i name_with_opt_quotes(s /,/) ';'
+grant : /grant/i WORD(s /,/) /on/i TABLE(?) table_name /to/i name_with_opt_quotes(s /,/) ';'
{
my $table_name = $item{'table_name'};
push @{ $tables{ $table_name }{'permissions'} }, {
type => 'grant',
actions => $item[2],
- users => $item[6],
+ users => $item[7],
}
}
drop : /drop/i /[^;]*/ ';'
+insert : /insert/i /[^;]*/ ';'
+
+update : /update/i /[^;]*/ ';'
+
#
# Create table.
#
my $i = 1;
my @constraints;
for my $definition ( @{ $item[4] } ) {
- if ( $definition->{'type'} eq 'field' ) {
+ if ( $definition->{'supertype'} eq 'field' ) {
my $field_name = $definition->{'name'};
$tables{ $table_name }{'fields'}{ $field_name } =
{ %$definition, order => $i };
$constraint;
}
}
- elsif ( $definition->{'type'} eq 'constraint' ) {
- $definition->{'type'} = $definition->{'constraint_type'};
- # group FKs at the field level
- if ( $definition->{'type'} eq 'foreign_key' ) {
- for my $fld ( @{ $definition->{'fields'} || [] } ) {
- push @{
- $tables{$table_name}{'fields'}{$fld}{'constraints'}
- }, $definition;
- }
- }
- else {
- push @{ $tables{ $table_name }{'constraints'} },
- $definition;
- }
+ elsif ( $definition->{'supertype'} eq 'constraint' ) {
+ push @{ $tables{ $table_name }{'constraints'} }, $definition;
}
- else {
+ elsif ( $definition->{'supertype'} eq 'index' ) {
push @{ $tables{ $table_name }{'indices'} }, $definition;
}
}
1;
}
-#
-# Create index.
-#
create : /create/i unique(?) /(index|key)/i index_name /on/i table_name using_method(?) '(' field_name(s /,/) ')' where_predicate(?) ';'
{
push @{ $tables{ $item{'table_name'} }{'indices'} },
{
- name => $item{'index_name'},
- type => $item{'unique'}[0] ? 'unique' : 'normal',
- fields => $item[9],
- method => $item{'using_method'}[0],
+ name => $item{'index_name'},
+ supertype => $item{'unique'}[0] ? 'constraint' : 'index',
+ type => $item{'unique'}[0] ? 'unique' : 'normal',
+ fields => $item[9],
+ method => $item{'using_method'}[0],
}
;
}
field : comment(s?) field_name data_type field_meta(s?) comment(s?)
{
my ( $default, @constraints, $is_pk );
+ my $null = 1;
for my $meta ( @{ $item[4] } ) {
- $default = $meta if $meta->{'meta_type'} eq 'default';
- push @constraints, $meta if $meta->{'meta_type'} eq 'constraint';
- $is_pk = $meta->{'type'} eq 'primary_key';
- }
+ if ( $meta->{'type'} eq 'default' ) {
+ $default = $meta;
+ next;
+ }
+ elsif ( $meta->{'type'} eq 'not_null' ) {
+ $null = 0;
+# next;
+ }
+ elsif ( $meta->{'type'} eq 'primary_key' ) {
+ $is_pk = 1;
+ }
- my $null = ( grep { $_->{'type'} eq 'not_null' } @constraints ) ? 0 : 1;
+ push @constraints, $meta if $meta->{'supertype'} eq 'constraint';
+ }
my @comments = ( @{ $item[1] }, @{ $item[5] } );
$return = {
- type => 'field',
- name => $item{'field_name'},
- data_type => $item{'data_type'}{'type'},
- size => $item{'data_type'}{'size'},
- null => $null,
- default => $default->{'value'},
- constraints => [ @constraints ],
- comments => [ @comments ],
- is_primary_key => $is_pk || 0,
+ supertype => 'field',
+ name => $item{'field_name'},
+ data_type => $item{'data_type'}{'type'},
+ size => $item{'data_type'}{'size'},
+ null => $null,
+ default => $default->{'value'},
+ constraints => [ @constraints ],
+ comments => [ @comments ],
+ is_primary_key => $is_pk || 0,
+ is_auto_increment => $item{'data_type'}{'is_auto_increment'},
}
}
| <error>
field_meta : default_val
- |
- column_constraint
+ | column_constraint
column_constraint : constraint_name(?) column_constraint_type deferrable(?) deferred(?)
{
my $expression = $desc->{'expression'} || '';
$return = {
- meta_type => 'constraint',
+ supertype => 'constraint',
name => $item{'constraint_name'}[0] || '',
type => $type,
expression => $type eq 'check' ? $expression : '',
- deferreable => $item{'deferrable'},
+ deferrable => $item{'deferrable'},
deferred => $item{'deferred'},
reference_table => $desc->{'reference_table'},
reference_fields => $desc->{'reference_fields'},
column_constraint_type : /not null/i { $return = { type => 'not_null' } }
|
- /null/
+ /null/i
{ $return = { type => 'null' } }
|
- /unique/
+ /unique/i
{ $return = { type => 'unique' } }
|
/primary key/i
{ $return = { type => 'primary_key' } }
|
/check/i '(' /[^)]+/ ')'
- { $return = { type => 'check', expression => $item[2] } }
+ { $return = { type => 'check', expression => $item[3] } }
|
/references/i table_name parens_word_list(?) match_type(?) key_action(s?)
{
#
# We can deduce some sizes from the data type's name.
#
- $data_type->{'size'} ||= $item[2];
+ $data_type->{'size'} ||= $item[2][0];
$return = $data_type;
}
pg_data_type :
- /(bigint|int8|bigserial|serial8)/
+ /(bigint|int8)/i
{
$return = {
- type => 'integer',
- size => [8],
- auto_increment => 1,
+ type => 'integer',
+ size => 20,
};
}
|
- /(smallint|int2)/
+ /(smallint|int2)/i
{
$return = {
type => 'integer',
- size => [2],
+ size => 5,
};
}
|
- /int(eger)?|int4/
+ /(integer|int4?)/i # interval must come before this
{
$return = {
type => 'integer',
- size => [4],
+ size => 10,
};
}
- |
- /(double precision|float8?)/
+ |
+ /(real|float4)/i
{
$return = {
- type => 'float',
- size => [8],
- };
+ type => 'real',
+ size => 10,
+ };
}
|
- /(real|float4)/
+ /(double precision|float8?)/i
{
$return = {
- type => 'real',
- size => [4],
- };
+ type => 'float',
+ size => 20,
+ };
}
|
- /serial4?/
+ /(bigserial|serial8)/i
{
$return = {
- type => 'integer',
- size => [4],
- auto_increment => 1,
+ type => 'integer',
+ size => 20,
+ is_auto_increment => 1,
};
}
|
- /bigserial/
+ /serial4?/i
{
$return = {
- type => 'integer',
- size => [8],
- auto_increment => 1,
+ type => 'integer',
+ size => 11,
+ is_auto_increment => 1,
};
}
|
- /(bit varying|varbit)/
+ /(bit varying|varbit)/i
{
$return = { type => 'varbit' };
}
|
- /character varying/
+ /character varying/i
{
$return = { type => 'varchar' };
}
|
- /char(acter)?/
+ /char(acter)?/i
{
$return = { type => 'char' };
}
|
- /bool(ean)?/
+ /bool(ean)?/i
{
$return = { type => 'boolean' };
}
|
- /(bytea|binary data)/
+ /bytea/i
{
- $return = { type => 'binary' };
+ $return = { type => 'bytea' };
}
|
- /timestampz?/
+ /(timestamptz|timestamp)/i
{
$return = { type => 'timestamp' };
}
|
- /(bit|box|cidr|circle|date|inet|interval|line|lseg|macaddr|money|numeric|decimal|path|point|polygon|text|time|varchar)/
+ /text/i
+ {
+ $return = {
+ type => 'text',
+ size => 64_000,
+ };
+ }
+ |
+ /(bit|box|cidr|circle|date|inet|interval|line|lseg|macaddr|money|numeric|decimal|path|point|polygon|timetz|time|varchar)/i
{
$return = { type => $item[1] };
}
$return = {
name => $item{'constraint_name'}[0] || '',
- type => 'constraint',
- constraint_type => $type,
+ supertype => 'constraint',
+ type => $type,
fields => $type ne 'check' ? $fields : [],
expression => $type eq 'check' ? $expression : '',
- deferreable => $item{'deferrable'},
+ deferrable => $item{'deferrable'},
deferred => $item{'deferred'},
reference_table => $desc->{'reference_table'},
reference_fields => $desc->{'reference_fields'},
}
}
|
- /check/ '(' /(.+)/ ')'
+ /check/i '(' /[^)]+/ ')'
{
$return = {
type => 'check',
}
$return = {
+ supertype => 'constraint',
type => 'foreign_key',
fields => $item[3],
reference_table => $item[6],
|
/cascade/i { $return = 'cascade' }
|
- /set null/i { $return = 'set_null' }
+ /set null/i { $return = 'set null' }
|
- /set default/i { $return = 'set_default' }
+ /set default/i { $return = 'set default' }
alter : alter_table table_name /add/i table_constraint ';'
{
my $table_name = $item[2];
my $constraint = $item[4];
- $constraint->{'type'} = $constraint->{'constraint_type'};
push @{ $tables{ $table_name }{'constraints'} }, $constraint;
}
only : /only/i
-create_table : /create/i /table/i
+create_table : /create/i TABLE
create_index : /create/i /index/i
-default_val : /default/i /(?:')?[\w\d.-]*(?:')?/
+default_val : /default/i /(\d+|'[^']*'|\w+\(.*?\))|\w+/
{
- my $val = $item[2] || '';
- $val =~ s/'//g;
+ my $val = defined $item[2] ? $item[2] : '';
+ $val =~ s/^'|'$//g;
$return = {
- meta_type => 'default',
+ supertype => 'constraint',
+ type => 'default',
value => $val,
}
}
+ | /null/i
+ {
+ $return = {
+ supertype => 'constraint',
+ type => 'default',
+ value => 'NULL',
+ }
+ }
name_with_opt_paren : NAME parens_value_list(s?)
{ $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] }
$return = { type => $item[1] =~ /out/i ? 'without_oids' : 'with_oids' }
}
+TABLE : /table/i
+
SEMICOLON : /\s*;\n?/
WORD : /\w+/
{ $item[1] }
| /'.*?'/ # XXX doesn't handle embedded quotes
{ $item[1] }
- | /NULL/
+ | /null/i
{ 'NULL' }
!;
my $result = $parser->startrule($data);
die "Parse failed.\n" unless defined $result;
warn Dumper($result) if $DEBUG;
- return $result;
+
+ 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 => $tdata->{'table_name'},
+ ) or die "Couldn't create table '$table_name': " . $schema->error;
+
+ 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_increment'},
+ is_nullable => $fdata->{'null'},
+ ) or die $table->error;
+
+ $table->primary_key( $field->name ) if $fdata->{'is_primary_key'};
+
+ 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'},
+ expression => $cdata->{'expression'},
+ ) or die "Can't add constraint of type '" .
+ $cdata->{'type'} . "' to table '" . $table->name .
+ "': " . $table->error;
+ }
+ }
+
+ return 1;
}
1;
-#-----------------------------------------------------
-# Where man is not nature is barren.
-# William Blake
-#-----------------------------------------------------
+# -------------------------------------------------------------------
+# Rescue the drowning and tie your shoestrings.
+# Henry David Thoreau
+# -------------------------------------------------------------------
=pod
=head1 AUTHORS
Ken Y. Clark E<lt>kclark@cpan.orgE<gt>,
-Allen Day <allenday@ucla.edu>.
+Allen Day E<lt>allenday@ucla.eduE<gt>.
=head1 SEE ALSO
projects / dbsrgits/SQL-Translator.git / blobdiff