package SQL::Translator::Parser::MySQL;
# -------------------------------------------------------------------
-# $Id: MySQL.pm,v 1.9 2003-01-27 17:04:45 dlc Exp $
+# $Id: MySQL.pm,v 1.18 2003-05-09 19:51:04 kycl4rk Exp $
# -------------------------------------------------------------------
# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>,
# darren chamberlain <darren@cpan.org>,
The grammar is influenced heavily by Tim Bunce's "mysql2ora" grammar.
+Here's the word from the MySQL site
+(http://www.mysql.com/doc/en/CREATE_TABLE.html):
+
+ CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)]
+ [table_options] [select_statement]
+
+ or
+
+ CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name LIKE old_table_name;
+
+ create_definition:
+ col_name type [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT]
+ [PRIMARY KEY] [reference_definition]
+ or PRIMARY KEY (index_col_name,...)
+ or KEY [index_name] (index_col_name,...)
+ or INDEX [index_name] (index_col_name,...)
+ or UNIQUE [INDEX] [index_name] (index_col_name,...)
+ or FULLTEXT [INDEX] [index_name] (index_col_name,...)
+ or [CONSTRAINT symbol] FOREIGN KEY [index_name] (index_col_name,...)
+ [reference_definition]
+ or CHECK (expr)
+
+ type:
+ TINYINT[(length)] [UNSIGNED] [ZEROFILL]
+ or SMALLINT[(length)] [UNSIGNED] [ZEROFILL]
+ or MEDIUMINT[(length)] [UNSIGNED] [ZEROFILL]
+ or INT[(length)] [UNSIGNED] [ZEROFILL]
+ or INTEGER[(length)] [UNSIGNED] [ZEROFILL]
+ or BIGINT[(length)] [UNSIGNED] [ZEROFILL]
+ or REAL[(length,decimals)] [UNSIGNED] [ZEROFILL]
+ or DOUBLE[(length,decimals)] [UNSIGNED] [ZEROFILL]
+ or FLOAT[(length,decimals)] [UNSIGNED] [ZEROFILL]
+ or DECIMAL(length,decimals) [UNSIGNED] [ZEROFILL]
+ or NUMERIC(length,decimals) [UNSIGNED] [ZEROFILL]
+ or CHAR(length) [BINARY]
+ or VARCHAR(length) [BINARY]
+ or DATE
+ or TIME
+ or TIMESTAMP
+ or DATETIME
+ or TINYBLOB
+ or BLOB
+ or MEDIUMBLOB
+ or LONGBLOB
+ or TINYTEXT
+ or TEXT
+ or MEDIUMTEXT
+ or LONGTEXT
+ or ENUM(value1,value2,value3,...)
+ or SET(value1,value2,value3,...)
+
+ index_col_name:
+ col_name [(length)]
+
+ reference_definition:
+ REFERENCES tbl_name [(index_col_name,...)]
+ [MATCH FULL | MATCH PARTIAL]
+ [ON DELETE reference_option]
+ [ON UPDATE reference_option]
+
+ reference_option:
+ RESTRICT | CASCADE | SET NULL | NO ACTION | SET DEFAULT
+
+ table_options:
+ TYPE = {BDB | HEAP | ISAM | InnoDB | MERGE | MRG_MYISAM | MYISAM }
+ or AUTO_INCREMENT = #
+ or AVG_ROW_LENGTH = #
+ or CHECKSUM = {0 | 1}
+ or COMMENT = "string"
+ or MAX_ROWS = #
+ or MIN_ROWS = #
+ or PACK_KEYS = {0 | 1 | DEFAULT}
+ or PASSWORD = "string"
+ or DELAY_KEY_WRITE = {0 | 1}
+ or ROW_FORMAT= { default | dynamic | fixed | compressed }
+ or RAID_TYPE= {1 | STRIPED | RAID0 } RAID_CHUNKS=# RAID_CHUNKSIZE=#
+ or UNION = (table_name,[table_name...])
+ or INSERT_METHOD= {NO | FIRST | LAST }
+ or DATA DIRECTORY="absolute path to directory"
+ or INDEX DIRECTORY="absolute path to directory"
+
=cut
use strict;
use vars qw[ $DEBUG $VERSION $GRAMMAR @EXPORT_OK ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.9 $ =~ /(\d+)\.(\d+)/;
-$DEBUG = 1 unless defined $DEBUG;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.18 $ =~ /(\d+)\.(\d+)/;
+$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
use Parse::RecDescent;
$GRAMMAR = q!
-{ our ( %tables, $table_order ) }
+{
+ our ( %tables, $table_order );
+}
+
+#
+# The "eofile" rule makes the parser fail if any "statement" rule
+# 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 }
-startrule : statement(s) { \%tables }
+eofile : /^\Z/
statement : comment
| drop
}
}
- for my $opt ( @{ $item{'table_option'} } ) {
+ for my $opt ( @{ $item{'table_option(s?)'} } ) {
if ( my ( $key, $val ) = each %$opt ) {
$tables{ $table_name }{'table_options'}{ $key } = $val;
}
}
+
+ 1;
}
create : /CREATE/i unique(?) /(INDEX|KEY)/i index_name /on/i table_name '(' field_name(s /,/) ')' ';'
blank : /\s*/
-field : field_name data_type field_qualifier(s?)
+field : field_name data_type field_qualifier(s?) reference_definition(?)
{
- my %qualifiers = map { %$_ } @{ $item{'field_qualifier'} || [] };
+ my %qualifiers = map { %$_ } @{ $item{'field_qualifier(s?)'} || [] };
my $null = defined $item{'not_null'} ? $item{'not_null'} : 1;
delete $qualifiers{'not_null'};
if ( my @type_quals = @{ $item{'data_type'}{'qualifiers'} || [] } ) {
size => $item{'data_type'}{'size'},
list => $item{'data_type'}{'list'},
null => $null,
+ constraints => $item{'reference_definition(?)'},
%qualifiers,
}
}
}
}
+reference_definition : /references/i table_name parens_field_list(?) match_type(?) on_delete_do(?) on_update_do(?)
+ {
+ $return = {
+ type => 'foreign_key',
+ reference_table => $item[2],
+ reference_fields => $item[3][0],
+ match_type => $item[4][0],
+ on_delete_do => $item[5][0],
+ on_update_do => $item[6][0],
+ }
+ }
+
+match_type : /match full/i { 'match_full' }
+ |
+ /match partial/i { 'match_partial' }
+
+on_delete_do : /on delete/i reference_option
+ { $item[2] }
+
+on_update_do : /on update/i reference_option
+ { $item[2] }
+
+reference_option: /restrict/i |
+ /cascade/i |
+ /set null/i |
+ /no action/i |
+ /set default/i
+ { $item[1] }
+
index : primary_key_index
| unique_index
+ | fulltext_index
| normal_index
+ | <error>
table_name : WORD
}
}
+parens_field_list : '(' field_name(s /,/) ')'
+ { $item[2] }
+
parens_value_list : '(' VALUE(s /,/) ')'
{ $item[2] }
unsigned : /unsigned/i { $return = 0 }
-default_val : /default/i /(?:')?[\w\d.-]*(?:')?/
+default_val : /default/i /(?:')?[\w\d:.-]*(?:')?/
{
$item[2] =~ s/'//g;
$return = $item[2];
primary_key_index : primary_key index_name(?) '(' field_name(s /,/) ')'
{
$return = {
- name => $item{'index_name'}[0],
+ name => $item{'index_name(?)'}[0],
type => 'primary_key',
fields => $item[4],
- }
+ };
}
normal_index : key index_name(?) '(' name_with_opt_paren(s /,/) ')'
{
$return = {
- name => $item{'index_name'}[0],
+ name => $item{'index_name(?)'}[0],
type => 'normal',
fields => $item[4],
}
unique_index : unique key(?) index_name(?) '(' name_with_opt_paren(s /,/) ')'
{
$return = {
- name => $item{'index_name'}[0],
+ name => $item{'index_name(?)'}[0],
type => 'unique',
fields => $item[5],
}
}
+fulltext_index : fulltext key(?) index_name(?) '(' name_with_opt_paren(s /,/) ')'
+ {
+ $return = {
+ name => $item{'index_name(?)'}[0],
+ type => 'fulltext',
+ fields => $item[5],
+ }
+ }
+
name_with_opt_paren : NAME parens_value_list(s?)
{ $item[2][0] ? "$item[1]($item[2][0][0])" : $item[1] }
+fulltext : /fulltext/i { 1 }
+
unique : /unique/i { 1 }
key : /key/i | /index/i
{ $item[1] }
| /NULL/
{ 'NULL' }
+# {
+# {
+# value => $item[1],
+# attribute => $item[2]
+# }
+# }
!;
my ( $translator, $data ) = @_;
$parser ||= Parse::RecDescent->new($GRAMMAR);
- $::RD_TRACE = $translator->trace ? 1 : undef;
- $DEBUG = $translator->debug;
+ local $::RD_TRACE = $translator->trace ? 1 : undef;
+ local $DEBUG = $translator->debug;
unless (defined $parser) {
return $translator->error("Error instantiating Parse::RecDescent ".
my $result = $parser->startrule($data);
die "Parse failed.\n" unless defined $result;
- warn Dumper($result) if $DEBUG;
+ warn Dumper( $result ) if $DEBUG;
+
+ my $schema = $translator->schema;
+ for my $table_name ( keys %{ $result } ) {
+ my $tdata = $result->{ $table_name };
+ my $table = $schema->add_table(
+ name => $tdata->{'table_name'},
+ );
+
+ 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'},
+ );
+ }
+ }
+
return $result;
}
1;
-#-----------------------------------------------------
+# ----------------------------------------------------
# Where man is not nature is barren.
# William Blake
-#-----------------------------------------------------
+# ----------------------------------------------------
=pod
=head1 AUTHOR
Ken Y. Clark E<lt>kclark@cpan.orgE<gt>,
-Chris Mungall
+Chris Mungall E<lt>cjm@fruitfly.orgE<gt>.
=head1 SEE ALSO
-perl(1), Parse::RecDescent.
+perl(1), Parse::RecDescent, SQL::Translator::Schema.
=cut
projects / dbsrgits/SQL-Translator.git / blobdiff