package SQL::Translator::Parser::PostgreSQL;
# -------------------------------------------------------------------
-# $Id: PostgreSQL.pm,v 1.16 2003-06-09 02:41:31 kycl4rk Exp $
+# $Id: PostgreSQL.pm,v 1.36 2004-02-04 17:32:22 dlc 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: 1.16 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.36 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
$GRAMMAR = q!
-{ our ( %tables, $table_order ) }
+{ my ( %tables, $table_order, $field_order, @table_comments) }
#
# The "eofile" rule makes the parser fail if any "statement" rule
eofile : /^\Z/
statement : create
+ | comment_on_table
+ | comment_on_column
| comment
| alter
| 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.
#
$tables{ $table_name }{'order'} = ++$table_order;
$tables{ $table_name }{'table_name'} = $table_name;
- my $i = 1;
+ if ( @table_comments ) {
+ $tables{ $table_name }{'comments'} = [ @table_comments ];
+ @table_comments = ();
+ }
+
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 };
- $i++;
+ { %$definition, order => $field_order++ };
for my $constraint ( @{ $definition->{'constraints'} || [] } ) {
$constraint->{'fields'} = [ $field_name ];
$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(?) ';'
+create : CREATE 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],
}
;
+
}
#
-# Create anything else (e.g., domain, function, etc.)
+# Create anything else (e.g., domain, etc.)
#
-create : /create/i WORD /[^;]+/ ';'
+create : CREATE WORD /[^;]+/ ';'
+ { @table_comments = (); }
using_method : /using/i WORD { $item[2] }
| table_constraint
| <error>
+table_comment : comment
+ {
+ my $comment = $item[1];
+ $return = $comment;
+ push @table_comments, $comment;
+ }
+
comment : /^\s*(?:#|-{2}).*\n/
+comment_on_table : /comment/i /on/i /table/i table_name /is/i comment_phrase ';'
+ {
+ push @{ $tables{ $item{'table_name'} }{'comments'} }, $item{'comment_phrase'};
+ }
+
+comment_on_column : /comment/i /on/i /column/i column_name /is/i comment_phrase ';'
+ {
+ my $table_name = $item[4]->{'table'};
+ my $field_name = $item[4]->{'field'};
+ push @{ $tables{ $table_name }{'fields'}{ $field_name }{'comments'} },
+ $item{'comment_phrase'};
+ }
+
+column_name : NAME '.' NAME
+ { $return = { table => $item[1], field => $item[3] } }
+
+comment_phrase : /'.*?'|NULL/
+ {
+ my $val = $item[1] || '';
+ $val =~ s/^'|'$//g;
+ $return = $val;
+ }
+
field : comment(s?) field_name data_type field_meta(s?) comment(s?)
{
my ( $default, @constraints, $is_pk );
- my $null = 1;
+ my $is_nullable = 1;
for my $meta ( @{ $item[4] } ) {
if ( $meta->{'type'} eq 'default' ) {
$default = $meta;
next;
}
elsif ( $meta->{'type'} eq 'not_null' ) {
- $null = 0;
- next;
+ $is_nullable = 0;
}
elsif ( $meta->{'type'} eq 'primary_key' ) {
$is_pk = 1;
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'},
+ is_nullable => $is_nullable,
+ default => $default->{'value'},
+ constraints => [ @constraints ],
+ comments => [ @comments ],
+ is_primary_key => $is_pk || 0,
+ is_auto_increment => $item{'data_type'}{'is_auto_increment'},
}
}
| <error>
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?)
{
}
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/
+ /bytea/i
{
$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],
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],
};
|
/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_column field ';'
+ {
+ my $field_def = $item[4];
+ $tables{ $item[2] }{'fields'}{ $field_def->{'name'} } = {
+ %$field_def, order => $field_order++
+ };
+ 1;
+ }
-alter : alter_table table_name /add/i table_constraint ';'
+alter : alter_table table_name ADD table_constraint ';'
{
my $table_name = $item[2];
my $constraint = $item[4];
- $constraint->{'type'} = $constraint->{'constraint_type'};
push @{ $tables{ $table_name }{'constraints'} }, $constraint;
+ 1;
}
-alter_table : /alter/i /table/i only(?)
+alter : alter_table table_name drop_column NAME restrict_or_cascade(?) ';'
+ {
+ $tables{ $item[2] }{'fields'}{ $item[4] }{'drop'} = 1;
+ 1;
+ }
-only : /only/i
+alter : alter_table table_name alter_column NAME alter_default_val ';'
+ {
+ $tables{ $item[2] }{'fields'}{ $item[4] }{'default'} =
+ $item[5]->{'value'};
+ 1;
+ }
+
+#
+# These will just parse for now but won't affect the structure. - ky
+#
+alter : alter_table table_name /rename/i /to/i NAME ';'
+ { 1 }
+
+alter : alter_table table_name alter_column NAME SET /statistics/i INTEGER ';'
+ { 1 }
+
+alter : alter_table table_name alter_column NAME SET /storage/i storage_type ';'
+ { 1 }
+
+alter : alter_table table_name rename_column NAME /to/i NAME ';'
+ { 1 }
+
+alter : alter_table table_name DROP /constraint/i NAME restrict_or_cascade ';'
+ { 1 }
+
+alter : alter_table table_name /owner/i /to/i NAME ';'
+ { 1 }
+
+storage_type : /(plain|external|extended|main)/i
+
+alter_default_val : SET default_val
+ {
+ $return = { value => $item[2]->{'value'} }
+ }
+ | DROP DEFAULT
+ {
+ $return = { value => undef }
+ }
-create_table : /create/i /table/i
+#
+# 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
+# for now. - ky
+#
+alter : alter_table table_name alter_column NAME alter_nullable ';'
+ {
+# my $table_name = $item[2];
+# my $field_name = $item[4];
+# my $is_nullable = $item[5]->{'is_nullable'};
+#
+# $tables{ $table_name }{'fields'}{ $field_name }{'is_nullable'} =
+# $is_nullable;
+#
+# if ( $is_nullable ) {
+# 1;
+# push @{ $tables{ $table_name }{'constraints'} }, {
+# type => 'not_null',
+# fields => [ $field_name ],
+# };
+# }
+# else {
+# for my $i (
+# 0 .. $#{ $tables{ $table_name }{'constraints'} || [] }
+# ) {
+# my $c = $tables{ $table_name }{'constraints'}[ $i ] or next;
+# my $fields = join( '', @{ $c->{'fields'} || [] } ) or next;
+# if ( $c->{'type'} eq 'not_null' && $fields eq $field_name ) {
+# delete $tables{ $table_name }{'constraints'}[ $i ];
+# last;
+# }
+# }
+# }
-create_index : /create/i /index/i
+ 1;
+ }
-default_val : /default/i /(?:')?[\w\d.-]*(?:')?/
+alter_nullable : SET not_null
+ {
+ $return = { is_nullable => 0 }
+ }
+ | DROP not_null
{
- my $val = $item[2] || '';
- $val =~ s/'//g;
+ $return = { is_nullable => 1 }
+ }
+
+not_null : /not/i /null/i
+
+add_column : ADD COLUMN(?)
+
+alter_table : ALTER TABLE ONLY(?)
+
+drop_column : DROP COLUMN(?)
+
+alter_column : ALTER COLUMN(?)
+
+rename_column : /rename/i COLUMN(?)
+
+restrict_or_cascade : /restrict/i |
+ /cascade/i
+
+#
+# End basically useless stuff. - ky
+#
+
+create_table : CREATE TABLE
+
+create_index : CREATE /index/i
+
+default_val : DEFAULT /(\d+|'[^']*'|\w+\(.*?\))|\w+/
+ {
+ my $val = defined $item[2] ? $item[2] : '';
+ $val =~ s/^'|'$//g;
$return = {
supertype => 'constraint',
type => 'default',
$return = { type => $item[1] =~ /out/i ? 'without_oids' : 'with_oids' }
}
+ADD : /add/i
+
+ALTER : /alter/i
+
+CREATE : /create/i
+
+ONLY : /only/i
+
+DEFAULT : /default/i
+
+DROP : /drop/i
+
+COLUMN : /column/i
+
+TABLE : /table/i
+
SEMICOLON : /\s*;\n?/
+INTEGER : /\d+/
+
WORD : /\w+/
DIGITS : /\d+/
COMMA : ','
+SET : /set/i
+
NAME : "`" /\w+/ "`"
{ $item[2] }
| /\w+/
{ $item[1] }
| /'.*?'/ # XXX doesn't handle embedded quotes
{ $item[1] }
- | /NULL/
+ | /null/i
{ 'NULL' }
!;
my $tdata = $result->{ $table_name };
my $table = $schema->add_table(
name => $tdata->{'table_name'},
- ) or die $schema->error;
+ ) or die "Couldn't create table '$table_name': " . $schema->error;
my @fields = sort {
- $tdata->{'fields'}->{$a}->{'order'}
+ $tdata->{'fields'}->{ $a }->{'order'}
<=>
- $tdata->{'fields'}->{$b}->{'order'}
+ $tdata->{'fields'}->{ $b }->{'order'}
} keys %{ $tdata->{'fields'} };
for my $fname ( @fields ) {
my $fdata = $tdata->{'fields'}{ $fname };
+ next if $fdata->{'drop'};
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'},
+ is_auto_increment => $fdata->{'is_auto_increment'},
+ is_nullable => $fdata->{'is_nullable'},
) or die $table->error;
$table->primary_key( $field->name ) if $fdata->{'is_primary_key'};
match_type => $cdata->{'match_type'} || '',
on_delete => $cdata->{'on_delete_do'},
on_update => $cdata->{'on_update_do'},
- ) or die $table->error;
+ expression => $cdata->{'expression'},
+ ) or die "Can't add constraint of type '" .
+ $cdata->{'type'} . "' to table '" . $table->name .
+ "': " . $table->error;
}
}
- return $result;
+ return 1;
}
1;
=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