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
=cut
use strict;
-use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ];
-$VERSION = '1.59';
+use warnings;
+
+our $VERSION = '1.62';
+
+our $DEBUG;
$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
-use Parse::RecDescent;
-use Exporter;
-use base qw(Exporter);
-
-@EXPORT_OK = qw(parse);
+use SQL::Translator::Utils qw/ddl_parser_instance/;
-# Enable warnings within the Parse::RecDescent module.
-$::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.
+use base qw(Exporter);
+our @EXPORT_OK = qw(parse);
-$GRAMMAR = q!
+our $GRAMMAR = <<'END_OF_GRAMMAR';
-{ my ( %tables, @views, $table_order, $field_order, @table_comments) }
+{ my ( %tables, @views, @triggers, $table_order, $field_order, @table_comments) }
#
# The "eofile" rule makes the parser fail if any "statement" rule
# won't cause the failure needed to know that the parse, as a whole,
# failed. -ky
#
-startrule : statement(s) eofile { { tables => \%tables, views => \@views } }
+startrule : statement(s) eofile {
+ {
+ tables => \%tables,
+ views => \@views,
+ triggers => \@triggers,
+ }
+}
eofile : /^\Z/
-
statement : create
| comment_on_table
| comment_on_column
commit : /commit/i ';'
-connect : /^\s*\\\connect.*\n/
+connect : /^\s*\\connect.*\n/
set : /set/i /[^;]*/ ';'
-revoke : /revoke/i WORD(s /,/) /on/i TABLE(?) table_id /from/i name_with_opt_quotes(s /,/) ';'
+revoke : /revoke/i WORD(s /,/) /on/i TABLE(?) table_id /from/i NAME(s /,/) ';'
{
my $table_info = $item{'table_id'};
my $schema_name = $table_info->{'schema_name'};
}
}
-revoke : /revoke/i WORD(s /,/) /on/i SCHEMA(?) schema_name /from/i name_with_opt_quotes(s /,/) ';'
+revoke : /revoke/i WORD(s /,/) /on/i SCHEMA(?) schema_name /from/i NAME(s /,/) ';'
{ 1 }
-grant : /grant/i WORD(s /,/) /on/i TABLE(?) table_id /to/i name_with_opt_quotes(s /,/) ';'
+grant : /grant/i WORD(s /,/) /on/i TABLE(?) table_id /to/i NAME(s /,/) ';'
{
my $table_info = $item{'table_id'};
my $schema_name = $table_info->{'schema_name'};
}
}
-grant : /grant/i WORD(s /,/) /on/i SCHEMA(?) schema_name /to/i name_with_opt_quotes(s /,/) ';'
+grant : /grant/i WORD(s /,/) /on/i SCHEMA(?) schema_name /to/i NAME(s /,/) ';'
{ 1 }
drop : /drop/i /[^;]*/ ';'
string :
- /'(\\.|''|[^\\\'])*'/
+ /'(\.|''|[^\\'])*'/
nonstring : /[^;\'"]+/
supertype => $item{'unique'}[0] ? 'constraint' : 'index',
type => $item{'unique'}[0] ? 'unique' : 'normal',
fields => $item[9],
- method => $item{'using_method'}[0],
+ method => $item{'using_method(?)'}[0],
+ where => $item{'where_predicate(?)'}[0],
}
;
}
}
}
+trigger_name : NAME
+
+trigger_scope : /FOR/i /EACH/i /(ROW|STATEMENT)/i { $return = lc $1 }
+
+before_or_after : /(before|after)/i { $return = lc $1 }
+
+trigger_action : /.+/
+
+database_event : /insert|update|delete/i
+database_events : database_event(s /OR/)
+
+create : CREATE /TRIGGER/i trigger_name before_or_after database_events /ON/i table_id trigger_scope(?) trigger_action
+ {
+ # Hack to pass roundtrip tests which have trigger statements terminated by double semicolon
+ # and expect the returned data to have the same
+ my $action = $item{trigger_action};
+ $action =~ s/;$//;
+
+ push @triggers, {
+ name => $item{trigger_name},
+ perform_action_when => $item{before_or_after},
+ database_events => $item{database_events},
+ on_table => $item{table_id}{table_name},
+ scope => $item{'trigger_scope(?)'}[0],
+ action => $action,
+ }
+ }
+
#
# Create anything else (e.g., domain, etc.)
#
comment_phrase : /null/i
{ $return = 'NULL' }
-
-comment_phrase : /'/ comment_phrase_unquoted(s) /'/
- { my $phrase = join(' ', @{ $item[2] });
- $return = $phrase}
-
-# [cjm TODO: double-single quotes in a comment_phrase]
-comment_phrase_unquoted : /[^\']*/
- { $return = $item[1] }
-
-
-xxxcomment_phrase : /'.*?'|NULL/
- {
- my $val = $item[1] || '';
- $val =~ s/^'|'$//g;
- $return = $val;
- }
+ | SQSTRING
field : field_comment(s?) field_name data_type field_meta(s?) field_comment(s?)
{
}
}
-constraint_name : /constraint/i name_with_opt_quotes { $item[2] }
+constraint_name : /constraint/i NAME { $item[2] }
column_constraint_type : /not null/i { $return = { type => 'not_null' } }
|
}
}
-table_id : schema_qualification(?) name_with_opt_quotes {
+table_id : schema_qualification(?) NAME {
$return = { schema_name => $item[1][0], table_name => $item[2] }
}
-view_id : schema_qualification(?) name_with_opt_quotes {
+view_id : schema_qualification(?) NAME {
$return = { schema_name => $item[1][0], view_name => $item[2] }
}
view_target_spec :
-schema_qualification : name_with_opt_quotes '.'
+schema_qualification : NAME '.'
-schema_name : name_with_opt_quotes
+schema_name : NAME
-field_name : name_with_opt_quotes
-
-name_with_opt_quotes : double_quote(?) NAME double_quote(?) { $item[2] }
+field_name : NAME
double_quote: /"/
-index_name : name_with_opt_quotes
+index_name : NAME
+
+array_indicator : '[' ']'
+ { $return = $item[1].$item[2] }
-data_type : pg_data_type parens_value_list(?)
+data_type : pg_data_type parens_value_list(?) array_indicator(?)
{
my $data_type = $item[1];
+ $data_type->{type} .= $item[3][0] if $item[3][0];
+
#
# We can deduce some sizes from the data type's name.
#
- if ( my $size = $item[2][0] ) {
- $data_type->{'size'} = $size;
+ if ( my @size = @{$item[2]} ) {
+ $data_type->{'size'} = (@size == 1 ? $size[0] : \@size);
}
$return = $data_type;
$return = { type => 'bytea' };
}
|
- /(timestamptz|timestamp)(?:\(\d\))?( with(?:out)? time zone)?/i
+ / ( timestamp (?:tz)? ) (?: \( \d \) )? ( \s with (?:out)? \s time \s zone )? /ix
{
$return = { type => 'timestamp' . ($2||'') };
}
|
+ / ( time (?:tz)? ) (?: \( \d \) )? ( \s with (?:out)? \s time \s zone )? /ix
+ {
+ $return = { type => 'time' . ($2||'') };
+ }
+ |
/text/i
{
$return = {
};
}
|
- /(bit|box|cidr|circle|date|inet|line|lseg|macaddr|money|numeric|decimal|path|point|polygon|timetz|time|varchar)/i
+ /(bit|box|cidr|circle|date|inet|line|lseg|macaddr|money|numeric|decimal|path|point|polygon|varchar|json|hstore|uuid)/i
{
$return = { type => $item[1] };
}
{ $item[2] }
-parens_word_list : '(' name_with_opt_quotes(s /,/) ')'
+parens_word_list : '(' NAME(s /,/) ')'
{ $item[2] }
field_size : '(' num_range ')' { $item{'num_range'} }
}
}
-table_constraint_type : /primary key/i '(' name_with_opt_quotes(s /,/) ')'
+table_constraint_type : /primary key/i '(' NAME(s /,/) ')'
{
$return = {
type => 'primary_key',
}
}
|
- /unique/i '(' name_with_opt_quotes(s /,/) ')'
+ /unique/i '(' NAME(s /,/) ')'
{
$return = {
type => 'unique',
}
}
|
- /foreign key/i '(' name_with_opt_quotes(s /,/) ')' /references/i table_id parens_word_list(?) match_type(?) key_action(s?)
+ /foreign key/i '(' NAME(s /,/) ')' /references/i table_id parens_word_list(?) match_type(?) key_action(s?)
{
my ( $on_delete, $on_update );
for my $action ( @{ $item[9] || [] } ) {
storage_type : /(plain|external|extended|main)/i
-temporary : /temp(orary)?\\b/i
+temporary : /temp(orary)?\b/i
{
1;
}
create_index : CREATE /index/i
-default_val : DEFAULT /(\d+|'[^']*'|\w+\(.*\))|\w+/
+default_val : DEFAULT DEFAULT_VALUE ( '::' data_type )(?)
{
- my $val = defined $item[2] ? $item[2] : '';
- $val =~ s/^'|'$//g;
+ my $val = $item[2];
+ $val =~ s/^\((\d+)\)\z/$1/; # for example (0)::smallint
$return = {
supertype => 'constraint',
type => 'default',
}
}
+DEFAULT_VALUE : VALUE
+ | /\w+\(.*\)/
+ | /\w+/
+ | /\(\d+\)/
+
name_with_opt_paren : NAME parens_value_list(s?)
{ $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] }
key : /key/i | /index/i
-table_option : /inherits/i '(' name_with_opt_quotes(s /,/) ')'
+table_option : /inherits/i '(' NAME(s /,/) ')'
{
$return = { type => 'inherits', table_name => $item[3] }
}
SET : /set/i
-NAME : "`" /\w+/ "`"
- { $item[2] }
+NAME : DQSTRING
| /\w+/
- { $item[1] }
- | /[\$\w]+/
- { $item[1] }
-
-VALUE : /[-+]?\.?\d+(?:[eE]\d+)?/
- { $item[1] }
- | /'.*?'/ # XXX doesn't handle embedded quotes
- { $item[1] }
+
+DQSTRING : '"' <skip: ''> /((?:[^"]|"")+)/ '"'
+ { ($return = $item[3]) =~ s/""/"/g; }
+
+SQSTRING : "'" <skip: ''> /((?:[^']|'')*)/ "'"
+ { ($return = $item[3]) =~ s/''/'/g }
+
+DOLLARSTRING : /\$[^\$]*\$/ <skip: ''> /.*?(?=\Q$item[1]\E)/s "$item[1]"
+ { $return = $item[3]; }
+
+VALUE : /[-+]?\d*\.?\d+(?:[eE]\d+)?/
+ | SQSTRING
+ | DOLLARSTRING
| /null/i
{ 'NULL' }
-!;
+END_OF_GRAMMAR
-# -------------------------------------------------------------------
sub parse {
my ( $translator, $data ) = @_;
- my $parser = Parse::RecDescent->new($GRAMMAR);
- $::RD_TRACE = $translator->trace ? 1 : undef;
- $DEBUG = $translator->debug;
+ # Enable warnings within the Parse::RecDescent module.
+ local $::RD_ERRORS = 1 unless defined $::RD_ERRORS; # Make sure the parser dies when it encounters an error
+ local $::RD_WARN = 1 unless defined $::RD_WARN; # Enable warnings. This will warn on unused rules &c.
+ local $::RD_HINT = 1 unless defined $::RD_HINT; # Give out hints to help fix problems.
- unless (defined $parser) {
- return $translator->error("Error instantiating Parse::RecDescent ".
- "instance: Bad grammer");
- }
+ local $::RD_TRACE = $translator->trace ? 1 : undef;
+ local $DEBUG = $translator->debug;
+
+ my $parser = ddl_parser_instance('PostgreSQL');
my $result = $parser->startrule($data);
die "Parse failed.\n" unless defined $result;
}
for my $idata ( @{ $tdata->{'indices'} || [] } ) {
+ my @options = ();
+ push @options, { using => $idata->{'method'} } if $idata->{method};
+ push @options, { where => $idata->{'where'} } if $idata->{where};
my $index = $table->add_index(
- name => $idata->{'name'},
- type => uc $idata->{'type'},
- fields => $idata->{'fields'},
+ name => $idata->{'name'},
+ type => uc $idata->{'type'},
+ fields => $idata->{'fields'},
+ options => \@options
) or die $table->error . ' ' . $table->name;
}
$view->extra ( temporary => 1 ) if $vinfo->{is_temporary};
}
+ for my $trigger (@{ $result->{triggers} }) {
+ $schema->add_trigger( %$trigger );
+ }
+
return 1;
}
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