package SQL::Translator::Parser::PostgreSQL;
-# -------------------------------------------------------------------
-# Copyright (C) 2002-2009 SQLFairy Authors
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; version 2.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-# 02111-1307 USA
-# -------------------------------------------------------------------
-
=head1 NAME
SQL::Translator::Parser::PostgreSQL - parser for PostgreSQL
=head1 DESCRIPTION
-The grammar was started from the MySQL parsers. Here is the description
+The grammar was started from the MySQL parsers. Here is the description
from PostgreSQL:
Table:
(http://www.postgresql.org/docs/view.php?version=7.3&idoc=1&file=sql-createtable.html)
CREATE [ [ LOCAL ] { TEMPORARY | TEMP } ] TABLE table_name (
- { column_name data_type [ DEFAULT default_expr ]
+ { column_name data_type [ DEFAULT default_expr ]
[ column_constraint [, ... ] ]
| table_constraint } [, ... ]
)
[ INHERITS ( parent_table [, ... ] ) ]
[ WITH OIDS | WITHOUT OIDS ]
-
+
where column_constraint is:
-
+
[ CONSTRAINT constraint_name ]
{ NOT NULL | NULL | UNIQUE | PRIMARY KEY |
CHECK (expression) |
REFERENCES reftable [ ( refcolumn ) ] [ MATCH FULL | MATCH PARTIAL ]
[ ON DELETE action ] [ ON UPDATE action ] }
- [ DEFERRABLE | NOT DEFERRABLE ]
+ [ DEFERRABLE | NOT DEFERRABLE ]
[ INITIALLY DEFERRED | INITIALLY IMMEDIATE ]
-
+
and table_constraint is:
-
+
[ CONSTRAINT constraint_name ]
{ UNIQUE ( column_name [, ... ] ) |
PRIMARY KEY ( column_name [, ... ] ) |
CHECK ( expression ) |
- FOREIGN KEY ( column_name [, ... ] )
+ FOREIGN KEY ( column_name [, ... ] )
REFERENCES reftable [ ( refcolumn [, ... ] ) ]
- [ MATCH FULL | MATCH PARTIAL ]
+ [ MATCH FULL | MATCH PARTIAL ]
[ ON DELETE action ] [ ON UPDATE action ] }
- [ DEFERRABLE | NOT DEFERRABLE ]
+ [ DEFERRABLE | NOT DEFERRABLE ]
[ INITIALLY DEFERRED | INITIALLY IMMEDIATE ]
Index:
RENAME TO new_table
ALTER TABLE table
ADD table_constraint_definition
- ALTER TABLE [ ONLY ] table
+ ALTER TABLE [ ONLY ] table
DROP CONSTRAINT constraint { RESTRICT | CASCADE }
ALTER TABLE table
- OWNER TO new_owner
+ OWNER TO new_owner
View table:
=cut
use strict;
-use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ];
-$VERSION = '1.60';
+use warnings;
+our ( $DEBUG, $GRAMMAR, @EXPORT_OK );
+our $VERSION = '1.59';
$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
#
# The "eofile" rule makes the parser fail if any "statement" rule
-# fails. Otherwise, the first successful match by a "statement"
+# 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 => \%tables, views => \@views } }
eofile : /^\Z/
-
+
statement : create
| comment_on_table
| select
| copy
| readin_symbol
+ | commit
| <error>
+commit : /commit/i ';'
+
connect : /^\s*\\\connect.*\n/
set : /set/i /[^;]*/ ';'
drop : /drop/i /[^;]*/ ';'
string :
- /'(\\.|''|[^\\\'])*'/
+ /'(\\.|''|[^\\\'])*'/
nonstring : /[^;\'"]+/
for my $definition ( @{ $item[6] } ) {
if ( $definition->{'supertype'} eq 'field' ) {
my $field_name = $definition->{'name'};
- $tables{ $table_name }{'fields'}{ $field_name } =
+ $tables{ $table_name }{'fields'}{ $field_name } =
{ %$definition, order => $field_order++ };
-
+
for my $constraint ( @{ $definition->{'constraints'} || [] } ) {
$constraint->{'fields'} = [ $field_name ];
push @{ $tables{ $table_name }{'constraints'} },
}
for my $option ( @{ $item[8] } ) {
- $tables{ $table_name }{'table_options(s?)'}{ $option->{'type'} } =
+ $tables{ $table_name }{'table_options(s?)'}{ $option->{'type'} } =
$option;
}
| table_constraint
| <error>
-comment : /^\s*(?:#|-{2})(.*)\n/
- {
+comment : /^\s*(?:#|-{2})(.*)\n/
+ {
my $comment = $item[1];
$comment =~ s/^\s*(#|-*)\s*//;
$comment =~ s/\s*$//;
my $table_name = $item[4]->{'table'};
my $field_name = $item[4]->{'field'};
if ($tables{ $table_name }{'fields'}{ $field_name } ) {
- push @{ $tables{ $table_name }{'fields'}{ $field_name }{'comments'} },
+ push @{ $tables{ $table_name }{'fields'}{ $field_name }{'comments'} },
$item{'comment_phrase'};
}
else {
{ $return = $item[1] }
-xxxcomment_phrase : /'.*?'|NULL/
- {
+xxxcomment_phrase : /'.*?'|NULL/
+ {
my $val = $item[1] || '';
$val =~ s/^'|'$//g;
$return = $val;
$return = {
supertype => 'field',
- name => $item{'field_name'},
+ name => $item{'field_name'},
data_type => $item{'data_type'}{'type'},
size => $item{'data_type'}{'size'},
is_nullable => $is_nullable,
comments => [ @comments ],
is_primary_key => $is_pk || 0,
is_auto_increment => $item{'data_type'}{'is_auto_increment'},
- }
+ }
}
| <error>
-field_comment : /^\s*(?:#|-{2})(.*)\n/
- {
+field_comment : /^\s*(?:#|-{2})(.*)\n/
+ {
my $comment = $item[1];
$comment =~ s/^\s*(#|-*)\s*//;
$comment =~ s/\s*$//;
match_type => $desc->{'match_type'},
on_delete => $desc->{'on_delete'} || $desc->{'on_delete_do'},
on_update => $desc->{'on_update'} || $desc->{'on_update_do'},
- }
+ }
}
constraint_name : /constraint/i name_with_opt_quotes { $item[2] }
/unique/i
{ $return = { type => 'unique' } }
|
- /primary key/i
+ /primary key/i
{ $return = { type => 'primary_key' } }
|
- /check/i '(' /[^)]+/ ')'
+ /check/i '(' /[^)]+/ ')'
{ $return = { type => 'check', expression => $item[3] } }
|
/references/i table_id parens_word_list(?) match_type(?) key_action(s?)
$return = "$item[2] $item[3]"
}
-view_target_spec :
+view_target_spec :
schema_qualification : name_with_opt_quotes '.'
index_name : name_with_opt_quotes
data_type : pg_data_type parens_value_list(?)
- {
+ {
my $data_type = $item[1];
#
pg_data_type :
/(bigint|int8)/i
- {
- $return = {
+ {
+ $return = {
type => 'integer',
size => 20,
};
}
|
/(smallint|int2)/i
- {
+ {
$return = {
- type => 'integer',
+ type => 'integer',
size => 5,
};
}
}
|
/(integer|int4?)/i # interval must come before this
- {
+ {
$return = {
- type => 'integer',
+ type => 'integer',
size => 10,
};
}
- |
+ |
/(real|float4)/i
- {
+ {
$return = {
- type => 'real',
+ type => 'real',
size => 10,
};
}
|
/(double precision|float8?)/i
- {
+ {
$return = {
- type => 'float',
+ type => 'float',
size => 20,
- };
+ };
}
|
/(bigserial|serial8)/i
- {
- $return = {
- type => 'integer',
- size => 20,
+ {
+ $return = {
+ type => 'integer',
+ size => 20,
is_auto_increment => 1,
};
}
|
/serial4?/i
- {
- $return = {
+ {
+ $return = {
type => 'integer',
- size => 11,
+ size => 11,
is_auto_increment => 1,
};
}
|
/(bit varying|varbit)/i
- {
+ {
$return = { type => 'varbit' };
}
|
/character varying/i
- {
+ {
$return = { type => 'varchar' };
}
|
/char(acter)?/i
- {
+ {
$return = { type => 'char' };
}
|
/bool(ean)?/i
- {
+ {
$return = { type => 'boolean' };
}
|
/bytea/i
- {
+ {
$return = { type => 'bytea' };
}
|
- /(timestamptz|timestamp)(?:\(\d\))?( with(out)? time zone)?/i
- {
- $return = { type => 'timestamp' };
+ /(timestamptz|timestamp)(?:\(\d\))?( with(?:out)? time zone)?/i
+ {
+ $return = { type => 'timestamp' . ($2||'') };
}
|
/text/i
- {
- $return = {
+ {
+ $return = {
type => 'text',
size => 64_000,
};
}
|
/(bit|box|cidr|circle|date|inet|line|lseg|macaddr|money|numeric|decimal|path|point|polygon|timetz|time|varchar)/i
- {
+ {
$return = { type => $item[1] };
}
deferred => $item{'deferred'},
reference_table => $desc->{'reference_table'},
reference_fields => $desc->{'reference_fields'},
- match_type => $desc->{'match_type'}[0],
+ match_type => $desc->{'match_type'},
on_delete => $desc->{'on_delete'} || $desc->{'on_delete_do'},
on_update => $desc->{'on_update'} || $desc->{'on_update_do'},
comments => [ @comments ],
- }
+ }
}
-table_constraint_type : /primary key/i '(' name_with_opt_quotes(s /,/) ')'
- {
+table_constraint_type : /primary key/i '(' name_with_opt_quotes(s /,/) ')'
+ {
$return = {
type => 'primary_key',
fields => $item[3],
}
}
|
- /unique/i '(' name_with_opt_quotes(s /,/) ')'
- {
+ /unique/i '(' name_with_opt_quotes(s /,/) ')'
+ {
$return = {
type => 'unique',
fields => $item[3],
}
}
|
- /check/i '(' /[^)]+/ ')'
+ /check/i '(' /[^)]+/ ')'
{
$return = {
type => 'check',
$on_delete = $action->{'action'} if $action->{'type'} eq 'delete';
$on_update = $action->{'action'} if $action->{'type'} eq 'update';
}
-
+
$return = {
supertype => 'constraint',
type => 'foreign_key',
}
}
-deferrable : not(?) /deferrable/i
- {
+deferrable : not(?) /deferrable/i
+ {
$return = ( $item[1] =~ /not/i ) ? 0 : 1;
}
deferred : /initially/i /(deferred|immediate)/i { $item[2] }
-match_type : /match full/i { 'match_full' }
- |
- /match partial/i { 'match_partial' }
+match_type : /match/i /partial|full|simple/i { $item[2] }
-key_action : key_delete
+key_action : key_delete
|
key_update
key_delete : /on delete/i key_mutation
- {
- $return = {
+ {
+ $return = {
type => 'delete',
action => $item[2],
};
}
key_update : /on update/i key_mutation
- {
- $return = {
+ {
+ $return = {
type => 'update',
action => $item[2],
};
|
/set default/i { $return = 'set default' }
-alter : alter_table table_id add_column field ';'
- {
+alter : alter_table table_id add_column field ';'
+ {
my $field_def = $item[4];
$tables{ $item[2]->{'table_name'} }{'fields'}{ $field_def->{'name'} } = {
%$field_def, order => $field_order++
1;
}
-alter : alter_table table_id ADD table_constraint ';'
- {
+alter : alter_table table_id ADD table_constraint ';'
+ {
my $table_name = $item[2]->{'table_name'};
my $constraint = $item[4];
push @{ $tables{ $table_name }{'constraints'} }, $constraint;
1;
}
-alter : alter_table table_id drop_column NAME restrict_or_cascade(?) ';'
+alter : alter_table table_id drop_column NAME restrict_or_cascade(?) ';'
{
$tables{ $item[2]->{'table_name'} }{'fields'}{ $item[4] }{'drop'} = 1;
1;
}
-alter : alter_table table_id alter_column NAME alter_default_val ';'
+alter : alter_table table_id alter_column NAME alter_default_val ';'
{
- $tables{ $item[2]->{'table_name'} }{'fields'}{ $item[4] }{'default'} =
+ $tables{ $item[2]->{'table_name'} }{'fields'}{ $item[4] }{'default'} =
$item[5]->{'value'};
1;
}
alter : alter_table table_id /rename/i /to/i NAME ';'
{ 1 }
-alter : alter_table table_id alter_column NAME SET /statistics/i INTEGER ';'
+alter : alter_table table_id alter_column NAME SET /statistics/i INTEGER ';'
{ 1 }
alter : alter_table table_id alter_column NAME SET /storage/i storage_type ';'
or_replace : /or replace/i
-alter_default_val : SET default_val
- {
- $return = { value => $item[2]->{'value'} }
+alter_default_val : SET default_val
+ {
+ $return = { value => $item[2]->{'value'} }
+ }
+ | DROP DEFAULT
+ {
+ $return = { value => undef }
}
- | DROP DEFAULT
- {
- $return = { value => undef }
- }
#
-# This is a little tricky to get right, at least WRT to making the
+# This is a little tricky to get right, at least WRT to making the
# tests pass. The problem is that the constraints are stored just as
# a list (no name access), and the tests expect the constraints in a
-# particular order. I'm going to leave the rule but disable the code
+# particular order. I'm going to leave the rule but disable the code
# for now. - ky
#
alter : alter_table table_id alter_column NAME alter_nullable ';'
# my $field_name = $item[4];
# my $is_nullable = $item[5]->{'is_nullable'};
#
-# $tables{ $table_name }{'fields'}{ $field_name }{'is_nullable'} =
+# $tables{ $table_name }{'fields'}{ $field_name }{'is_nullable'} =
# $is_nullable;
#
# if ( $is_nullable ) {
# };
# }
# else {
-# for my $i (
-# 0 .. $#{ $tables{ $table_name }{'constraints'} || [] }
+# for my $i (
+# 0 .. $#{ $tables{ $table_name }{'constraints'} || [] }
# ) {
# my $c = $tables{ $table_name }{'constraints'}[ $i ] or next;
# my $fields = join( '', @{ $c->{'fields'} || [] } ) or next;
1;
}
-alter_nullable : SET not_null
- {
- $return = { is_nullable => 0 }
+alter_nullable : SET not_null
+ {
+ $return = { is_nullable => 0 }
}
| DROP not_null
- {
- $return = { is_nullable => 1 }
+ {
+ $return = { is_nullable => 1 }
}
not_null : /not/i /null/i
alter_table : ALTER TABLE ONLY(?)
-alter_sequence : ALTER SEQUENCE
+alter_sequence : ALTER SEQUENCE
drop_column : DROP COLUMN(?)
rename_column : /rename/i COLUMN(?)
-restrict_or_cascade : /restrict/i |
+restrict_or_cascade : /restrict/i |
/cascade/i
# Handle functions that can be called
-select : SELECT select_function ';'
+select : SELECT select_function ';'
{ 1 }
# Read the setval function but don't do anything with it because this parser
# isn't handling sequences
-select_function : schema_qualification(?) /setval/i '(' VALUE /,/ VALUE /,/ /(true|false)/i ')'
+select_function : schema_qualification(?) /setval/i '(' VALUE /,/ VALUE /,/ /(true|false)/i ')'
{ 1 }
# Skipping all COPY commands
create_index : CREATE /index/i
default_val : DEFAULT /(\d+|'[^']*'|\w+\(.*\))|\w+/
- {
+ {
my $val = defined $item[2] ? $item[2] : '';
- $val =~ s/^'|'$//g;
+ $val =~ s/^'|'$//g;
$return = {
supertype => 'constraint',
type => 'default',
}
}
| /null/i
- {
+ {
$return = {
supertype => 'constraint',
type => 'default',
key : /key/i | /index/i
table_option : /inherits/i '(' name_with_opt_quotes(s /,/) ')'
- {
+ {
$return = { type => 'inherits', table_name => $item[3] }
}
|
!;
-# -------------------------------------------------------------------
sub parse {
my ( $translator, $data ) = @_;
my $parser = Parse::RecDescent->new($GRAMMAR);
warn Dumper($result) if $DEBUG;
my $schema = $translator->schema;
- my @tables = sort {
+ my @tables = sort {
( $result->{tables}{ $a }{'order'} || 0 ) <=> ( $result->{tables}{ $b }{'order'} || 0 )
} keys %{ $result->{tables} };
for my $table_name ( @tables ) {
my $tdata = $result->{tables}{ $table_name };
- my $table = $schema->add_table(
+ my $table = $schema->add_table(
#schema => $tdata->{'schema_name'},
name => $tdata->{'table_name'},
) or die "Couldn't create table '$table_name': " . $schema->error;
$table->comments( $tdata->{'comments'} );
- my @fields = sort {
- $tdata->{'fields'}{ $a }{'order'}
+ my @fields = sort {
+ $tdata->{'fields'}{ $a }{'order'}
<=>
$tdata->{'fields'}{ $b }{'order'}
} keys %{ $tdata->{'fields'} };
on_update => $cdata->{'on_update'} || $cdata->{'on_update_do'},
expression => $cdata->{'expression'},
) or die "Can't add constraint of type '" .
- $cdata->{'type'} . "' to table '" . $table->name .
+ $cdata->{'type'} . "' to table '" . $table->name .
"': " . $table->error;
}
}
# -------------------------------------------------------------------
# Rescue the drowning and tie your shoestrings.
-# Henry David Thoreau
+# Henry David Thoreau
# -------------------------------------------------------------------
=pod
=head1 AUTHORS
-Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>,
+Ken Y. Clark E<lt>kclark@cpan.orgE<gt>,
Allen Day E<lt>allenday@ucla.eduE<gt>.
=head1 SEE ALSO
projects / dbsrgits/SQL-Translator.git / blobdiff