package SQL::Translator::Parser::PostgreSQL;
# -------------------------------------------------------------------
-# $Id: PostgreSQL.pm,v 1.7 2003-02-25 21:25:14 kycl4rk Exp $
+# $Id: PostgreSQL.pm,v 1.23 2003-08-07 18:15:51 kycl4rk Exp $
# -------------------------------------------------------------------
# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>,
# Allen Day <allenday@users.sourceforge.net>,
[ USING acc_method ] ( func_name( column [, ... ]) [ ops_name ] )
[ WHERE predicate ]
+Alter table:
+
+ ALTER TABLE [ ONLY ] table [ * ]
+ ADD [ COLUMN ] column type [ column_constraint [ ... ] ]
+ ALTER TABLE [ ONLY ] table [ * ]
+ ALTER [ COLUMN ] column { SET DEFAULT value | DROP DEFAULT }
+ ALTER TABLE [ ONLY ] table [ * ]
+ ALTER [ COLUMN ] column SET STATISTICS integer
+ ALTER TABLE [ ONLY ] table [ * ]
+ RENAME [ COLUMN ] column TO newcolumn
+ ALTER TABLE table
+ RENAME TO new_table
+ ALTER TABLE table
+ ADD table_constraint_definition
+ ALTER TABLE [ ONLY ] table
+ DROP CONSTRAINT constraint { RESTRICT | CASCADE }
+ ALTER TABLE table
+ OWNER TO new_owner
+
+View table:
+
+ CREATE [ OR REPLACE ] VIEW view [ ( column name list ) ] AS SELECT query
+
=cut
use strict;
use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.7 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.23 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
statement : create
| comment
+ | alter
| grant
| revoke
| drop
+ | insert
| connect
+ | update
+ | set
| <error>
connect : /^\s*\\\connect.*\n/
-revoke : /revoke/i WORD(s /,/) /on/i table_name /from/i name_with_opt_quotes(s /,/) ';'
+set : /SET/ /[^;]*/ ';'
+
+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.
+#
create : create_table table_name '(' create_definition(s /,/) ')' table_option(s?) ';'
{
my $table_name = $item{'table_name'};
{ %$definition, order => $i };
$i++;
- if ( $definition->{'is_primary_key'} ) {
- push @{ $tables{ $table_name }{'indices'} }, {
- type => 'primary_key',
- fields => [ $field_name ],
- };
- }
-
- for my $constraint ( @{ $definition->{'constaints'} || [] } ) {
- $constraint->{'fields' } = [ $field_name ];
- push @{$tables{ $table_name }{'constraints'}}, $constraint;
+ for my $constraint ( @{ $definition->{'constraints'} || [] } ) {
+ $constraint->{'fields'} = [ $field_name ];
+ push @{ $tables{ $table_name }{'constraints'} },
+ $constraint;
}
}
elsif ( $definition->{'type'} eq 'constraint' ) {
$definition->{'type'} = $definition->{'constraint_type'};
- push @{ $tables{ $table_name }{'constraints'} }, $definition;
+ # 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;
+# }
}
else {
push @{ $tables{ $table_name }{'indices'} }, $definition;
}
for my $option ( @{ $item[6] } ) {
- $tables{ $table_name }{'table_options'}{ $option->{'type'} } =
+ $tables{ $table_name }{'table_options(s?)'}{ $option->{'type'} } =
$option;
}
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'} },
;
}
+#
+# Create anything else (e.g., domain, function, etc.)
+#
+create : /create/i WORD /[^;]+/ ';'
+
using_method : /using/i WORD { $item[2] }
where_predicate : /where/i /[^;]+/
create_definition : field
- | index
| table_constraint
| <error>
comment : /^\s*(?:#|-{2}).*\n/
-field : comment(s?) field_name data_type field_meta(s?)
+field : comment(s?) field_name data_type field_meta(s?) comment(s?)
{
- my ( $default, @constraints );
+ 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';
+ 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;
+ }
+
+ push @constraints, $meta if $meta->{'supertype'} eq 'constraint';
}
- my $null = ( grep { $_->{'type'} eq 'not_null' } @constraints ) ? 0 : 1;
+ my @comments = ( @{ $item[1] }, @{ $item[5] } );
- $return = {
+ $return = {
type => 'field',
name => $item{'field_name'},
data_type => $item{'data_type'}{'type'},
size => $item{'data_type'}{'size'},
- list => $item{'data_type'}{'list'},
null => $null,
default => $default->{'value'},
constraints => [ @constraints ],
- comments => $item[1],
+ comments => [ @comments ],
+ is_primary_key => $is_pk || 0,
}
}
| <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 : '',
/check/i '(' /[^)]+/ ')'
{ $return = { type => 'check', expression => $item[2] } }
|
- /references/i table_name parens_value_list(?) match_type(?) on_delete_do(?) on_update_do(?)
+ /references/i table_name parens_word_list(?) match_type(?) key_action(s?)
{
+ my ( $on_delete, $on_update );
+ for my $action ( @{ $item[5] || [] } ) {
+ $on_delete = $action->{'action'} if $action->{'type'} eq 'delete';
+ $on_update = $action->{'action'} if $action->{'type'} eq 'update';
+ }
+
$return = {
type => 'foreign_key',
reference_table => $item[2],
- reference_fields => $item[3],
+ reference_fields => $item[3][0],
match_type => $item[4][0],
- on_delete_do => $item[5][0],
- on_update_do => $item[6][0],
+ on_delete_do => $on_delete,
+ on_update_do => $on_update,
}
}
-index : primary_key_index
- | unique_index
- | normal_index
-
table_name : name_with_opt_quotes
field_name : name_with_opt_quotes
-name_with_opt_quotes : double_quote(?) WORD double_quote(?) { $item[2] }
+name_with_opt_quotes : double_quote(?) NAME double_quote(?) { $item[2] }
double_quote: /"/
data_type : pg_data_type parens_value_list(?)
{
- my $type = $item[1];
+ my $data_type = $item[1];
#
# We can deduce some sizes from the data type's name.
#
- my $size;
- if ( ref $type eq 'ARRAY' ) {
- $size = [ $type->[1] ];
- $type = $type->[0];
- }
- else {
- $size = $item[2][0] || '';
- }
+ $data_type->{'size'} ||= $item[2][0];
- $return = {
- type => $type,
- size => $size,
- }
+ $return = $data_type;
}
pg_data_type :
- /(bigint|int8|bigserial|serial8)/ { $return = [ 'integer', 8 ] }
+ /(bigint|int8|bigserial|serial8)/i
+ {
+ $return = {
+ type => 'integer',
+ size => [8],
+ auto_increment => 1,
+ };
+ }
|
- /(smallint|int2)/ { $return = [ 'integer', 2 ] }
+ /(smallint|int2)/i
+ {
+ $return = {
+ type => 'integer',
+ size => [2],
+ };
+ }
|
- /int(eger)?|int4/ { $return = [ 'integer', 4 ] }
+ /int(eger)?|int4/i
+ {
+ $return = {
+ type => 'integer',
+ size => [4],
+ };
+ }
|
- /(double precision|float8?)/ { $return = [ 'float', 8 ] }
+ /(double precision|float8?)/i
+ {
+ $return = {
+ type => 'float',
+ size => [8],
+ };
+ }
|
- /(real|float4)/ { $return = [ 'real', 4 ] }
+ /(real|float4)/i
+ {
+ $return = {
+ type => 'real',
+ size => [4],
+ };
+ }
|
- /serial4?/ { $return = [ 'serial', 4 ] }
+ /serial4?/i
+ {
+ $return = {
+ type => 'integer',
+ size => [4],
+ auto_increment => 1,
+ };
+ }
|
- /bigserial/ { $return = [ 'serial', 8 ] }
+ /bigserial/i
+ {
+ $return = {
+ type => 'integer',
+ size => [8],
+ auto_increment => 1,
+ };
+ }
|
- /(bit varying|varbit)/ { $return = 'varbit' }
+ /(bit varying|varbit)/i
+ {
+ $return = { type => 'varbit' };
+ }
|
- /character varying/ { $return = 'varchar' }
+ /character varying/i
+ {
+ $return = { type => 'varchar' };
+ }
|
- /char(acter)?/ { $return = 'char' }
+ /char(acter)?/i
+ {
+ $return = { type => 'char' };
+ }
|
- /bool(ean)?/ { $return = 'boolean' }
+ /bool(ean)?/i
+ {
+ $return = { type => 'boolean' };
+ }
|
- /(bytea|binary data)/ { $return = 'binary' }
+ /bytea/i
+ {
+ $return = { type => 'bytea' };
+ }
|
- /timestampz?/ { $return = 'timestamp' }
+ /timestampz?/i
+ {
+ $return = { type => 'timestamp' };
+ }
|
- /(bit|box|cidr|circle|date|inet|interval|line|lseg|macaddr|money|numeric|decimal|path|point|polygon|text|time|varchar)/
- { $item[1] }
+ /(bit|box|cidr|circle|date|inet|interval|line|lseg|macaddr|money|numeric|decimal|path|point|polygon|text|time|varchar)/i
+ {
+ $return = { type => $item[1] };
+ }
parens_value_list : '(' VALUE(s /,/) ')'
{ $item[2] }
| DIGITS
{ $return = $item[1] }
-table_constraint : constraint_name(?) table_constraint_type deferrable(?) deferred(?)
+table_constraint : comment(s?) constraint_name(?) table_constraint_type deferrable(?) deferred(?) comment(s?)
{
my $desc = $item{'table_constraint_type'};
my $type = $desc->{'type'};
my $fields = $desc->{'fields'};
my $expression = $desc->{'expression'};
+ my @comments = ( @{ $item[1] }, @{ $item[-1] } );
$return = {
name => $item{'constraint_name'}[0] || '',
reference_table => $desc->{'reference_table'},
reference_fields => $desc->{'reference_fields'},
match_type => $desc->{'match_type'}[0],
- on_delete_do => $desc->{'on_delete_do'}[0],
- on_update_do => $desc->{'on_update_do'}[0],
+ on_delete_do => $desc->{'on_delete_do'},
+ on_update_do => $desc->{'on_update_do'},
+ comments => [ @comments ],
}
}
}
}
|
- /foreign key/i '(' name_with_opt_quotes(s /,/) ')' /references/i table_name parens_word_list(?) match_type(?) on_delete_do(?) on_update_do(?)
+ /foreign key/i '(' name_with_opt_quotes(s /,/) ')' /references/i table_name parens_word_list(?) match_type(?) key_action(s?)
{
+ my ( $on_delete, $on_update );
+ for my $action ( @{ $item[9] || [] } ) {
+ $on_delete = $action->{'action'} if $action->{'type'} eq 'delete';
+ $on_update = $action->{'action'} if $action->{'type'} eq 'update';
+ }
+
$return = {
type => 'foreign_key',
fields => $item[3],
reference_table => $item[6],
reference_fields => $item[7][0],
match_type => $item[8][0],
- on_delete_do => $item[9][0],
- on_update_do => $item[10][0],
+ on_delete_do => $on_delete || '',
+ on_update_do => $on_update || '',
}
}
|
/match partial/i { 'match_partial' }
-on_delete_do : /on delete/i WORD
- { $item[2] }
+key_action : key_delete
+ |
+ key_update
-on_update_do : /on update/i WORD
- { $item[2] }
+key_delete : /on delete/i key_mutation
+ {
+ $return => {
+ type => 'delete',
+ action => $item[2],
+ };
+ }
-create_table : /create/i /table/i
+key_update : /on update/i key_mutation
+ {
+ $return => {
+ type => 'update',
+ action => $item[2],
+ };
+ }
-create_index : /create/i /index/i
+key_mutation : /no action/i { $return = 'no_action' }
+ |
+ /restrict/i { $return = 'restrict' }
+ |
+ /cascade/i { $return = 'cascade' }
+ |
+ /set null/i { $return = 'set_null' }
+ |
+ /set default/i { $return = 'set_default' }
-default_val : /default/i /(?:')?[\w\d.-]*(?:')?/
+alter : alter_table table_name /add/i table_constraint ';'
{
- my $val = $item[2] || '';
- $val =~ s/'//g;
- $return = {
- meta_type => 'default',
- value => $val,
- }
+ my $table_name = $item[2];
+ my $constraint = $item[4];
+ $constraint->{'type'} = $constraint->{'constraint_type'};
+ push @{ $tables{ $table_name }{'constraints'} }, $constraint;
}
-auto_inc : /auto_increment/i { 1 }
+alter_table : /alter/i /table/i only(?)
-primary_key : /primary/i /key/i { 1 }
+only : /only/i
-primary_key_index : primary_key index_name(?) '(' field_name(s /,/) ')'
- {
- $return = {
- name => $item{'index_name'}[0],
- type => 'primary_key',
- fields => $item[4],
- }
- }
+create_table : /create/i TABLE
+
+create_index : /create/i /index/i
-normal_index : key index_name(?) '(' name_with_opt_paren(s /,/) ')'
+default_val : /default/i /(?:')?[\w\d().-]*(?:')?/
{
- $return = {
- name => $item{'index_name'}[0],
- type => 'normal',
- fields => $item[4],
- }
+ my $val = $item[2] || '';
+ $val =~ s/'//g;
+ $return = {
+ supertype => 'constraint',
+ type => 'default',
+ value => $val,
+ }
}
-
-unique_index : unique key(?) index_name(?) '(' name_with_opt_paren(s /,/) ')'
+ | /null/i
{
- $return = {
- name => $item{'index_name'}[0],
- type => 'unique',
- fields => $item[5],
- }
+ $return = {
+ supertype => 'constraint',
+ type => 'default',
+ value => 'NULL',
+ }
}
name_with_opt_paren : NAME parens_value_list(s?)
$return = { type => $item[1] =~ /out/i ? 'without_oids' : 'with_oids' }
}
+TABLE : /table/i
+
SEMICOLON : /\s*;\n?/
WORD : /\w+/
{ $item[2] }
| /\w+/
{ $item[1] }
+ | /[\$\w]+/
+ { $item[1] }
VALUE : /[-+]?\.?\d+(?:[eE]\d+)?/
{ $item[1] }
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 $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_inc'},
+ 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'},
+ ) or die $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@users.sourceforge.net>.
+Allen Day <allenday@ucla.edu>.
=head1 SEE ALSO
projects / dbsrgits/SQL-Translator.git / blobdiff