--- /dev/null
+package SQL::Translator::Producer::DB2;
+
+# -------------------------------------------------------------------
+# $Id: DB2.pm,v 1.1 2005-09-18 20:06:31 schiffbruechige Exp $
+# -------------------------------------------------------------------
+# Copyright (C) 2002-4 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::Producer::DB2 - DB2 SQL producer
+
+=head1 SYNOPSIS
+
+ use SQL::Translator;
+
+ my $t = SQL::Translator->new( parser => '...', producer => 'DB2' );
+ print $translator->translate( $file );
+
+=head1 DESCRIPTION
+
+Creates an SQL DDL suitable for DB.
+
+=cut
+
+use strict;
+use vars qw[ $VERSION $DEBUG $WARN ];
+$VERSION = sprintf "%d.%02d", q$Revision: 1.1 $ =~ /(\d+)\.(\d+)/;
+$DEBUG = 0 unless defined $DEBUG;
+
+use SQL::Translator::Schema::Constants;
+use SQL::Translator::Utils qw(header_comment);
+
+
+# http://publib.boulder.ibm.com/infocenter/db2help/topic/com.ibm.db2.udb.doc/ad/r0006844.htm
+
+# This is a terrible WTDI, each Parser should parse down to some standard set
+# of SQL data types, with field->extra entries being used to convert back to
+# weird types like "polygon" if needed (IMO anyway)
+
+my %translate = (
+ #
+ # MySQL types
+ #
+ int => 'integer',
+ mediumint => 'integer',
+ tinyint => 'smallint',
+ char => 'char',
+ tinyblob => 'blob',
+ mediumblob => 'blob',
+ longblob => 'long varchar for bit data',
+ tinytext => 'varchar',
+ text => 'clob',
+ longtext => 'clob',
+ mediumtext => 'clob',
+ enum => 'varchar',
+ set => 'varchar',
+ date => 'date',
+ datetime => 'timestamp',
+ time => 'time',
+ year => 'date',
+
+ #
+ # PostgreSQL types
+ #
+ 'double precision' => 'double',
+ serial => 'integer',
+ bigserial => 'integer',
+ money => 'double',
+ character => 'char',
+ 'character varying' => 'varchar',
+ bytea => 'BLOB',
+ interval => 'integer',
+ boolean => 'smallint',
+ point => 'integer',
+ line => 'integer',
+ lseg => 'integer',
+ box => 'integer',
+ path => 'integer',
+ polygon => 'integer',
+ circle => 'integer',
+ cidr => 'integer',
+ inet => 'varchar',
+ macaddr => 'varchar',
+ bit => 'number',
+ 'bit varying' => 'number',
+
+ #
+ # DB types
+ #
+ number => 'integer',
+ varchar2 => 'varchar',
+ long => 'clob',
+);
+
+my %db2_reserved = map { $_ => 1} qw/
+ADD DETERMINISTIC LEAVE RESTART
+AFTER DISALLOW LEFT RESTRICT
+ALIAS DISCONNECT LIKE RESULT
+ALL DISTINCT LINKTYPE RESULT_SET_LOCATOR
+ALLOCATE DO LOCAL RETURN
+ALLOW DOUBLE LOCALE RETURNS
+ALTER DROP LOCATOR REVOKE
+AND DSNHATTR LOCATORS RIGHT
+ANY DSSIZE LOCK ROLLBACK
+APPLICATION DYNAMIC LOCKMAX ROUTINE
+AS EACH LOCKSIZE ROW
+ASSOCIATE EDITPROC LONG ROWS
+ASUTIME ELSE LOOP RRN
+AUDIT ELSEIF MAXVALUE RUN
+AUTHORIZATION ENCODING MICROSECOND SAVEPOINT
+AUX END MICROSECONDS SCHEMA
+AUXILIARY END-EXEC MINUTE SCRATCHPAD
+BEFORE END-EXEC1 MINUTES SECOND
+BEGIN ERASE MINVALUE SECONDS
+BETWEEN ESCAPE MODE SECQTY
+BINARY EXCEPT MODIFIES SECURITY
+BUFFERPOOL EXCEPTION MONTH SELECT
+BY EXCLUDING MONTHS SENSITIVE
+CACHE EXECUTE NEW SET
+CALL EXISTS NEW_TABLE SIGNAL
+CALLED EXIT NO SIMPLE
+CAPTURE EXTERNAL NOCACHE SOME
+CARDINALITY FENCED NOCYCLE SOURCE
+CASCADED FETCH NODENAME SPECIFIC
+CASE FIELDPROC NODENUMBER SQL
+CAST FILE NOMAXVALUE SQLID
+CCSID FINAL NOMINVALUE STANDARD
+CHAR FOR NOORDER START
+CHARACTER FOREIGN NOT STATIC
+CHECK FREE NULL STAY
+CLOSE FROM NULLS STOGROUP
+CLUSTER FULL NUMPARTS STORES
+COLLECTION FUNCTION OBID STYLE
+COLLID GENERAL OF SUBPAGES
+COLUMN GENERATED OLD SUBSTRING
+COMMENT GET OLD_TABLE SYNONYM
+COMMIT GLOBAL ON SYSFUN
+CONCAT GO OPEN SYSIBM
+CONDITION GOTO OPTIMIZATION SYSPROC
+CONNECT GRANT OPTIMIZE SYSTEM
+CONNECTION GRAPHIC OPTION TABLE
+CONSTRAINT GROUP OR TABLESPACE
+CONTAINS HANDLER ORDER THEN
+CONTINUE HAVING OUT TO
+COUNT HOLD OUTER TRANSACTION
+COUNT_BIG HOUR OVERRIDING TRIGGER
+CREATE HOURS PACKAGE TRIM
+CROSS IDENTITY PARAMETER TYPE
+CURRENT IF PART UNDO
+CURRENT_DATE IMMEDIATE PARTITION UNION
+CURRENT_LC_CTYPE IN PATH UNIQUE
+CURRENT_PATH INCLUDING PIECESIZE UNTIL
+CURRENT_SERVER INCREMENT PLAN UPDATE
+CURRENT_TIME INDEX POSITION USAGE
+CURRENT_TIMESTAMP INDICATOR PRECISION USER
+CURRENT_TIMEZONE INHERIT PREPARE USING
+CURRENT_USER INNER PRIMARY VALIDPROC
+CURSOR INOUT PRIQTY VALUES
+CYCLE INSENSITIVE PRIVILEGES VARIABLE
+DATA INSERT PROCEDURE VARIANT
+DATABASE INTEGRITY PROGRAM VCAT
+DAY INTO PSID VIEW
+DAYS IS QUERYNO VOLUMES
+DB2GENERAL ISOBID READ WHEN
+DB2GENRL ISOLATION READS WHERE
+DB2SQL ITERATE RECOVERY WHILE
+DBINFO JAR REFERENCES WITH
+DECLARE JAVA REFERENCING WLM
+DEFAULT JOIN RELEASE WRITE
+DEFAULTS KEY RENAME YEAR
+DEFINITION LABEL REPEAT YEARS
+DELETE LANGUAGE RESET
+DESCRIPTOR LC_CTYPE RESIGNAL
+/;
+
+#------------------------------------------------------------------------------
+
+sub produce
+{
+ my ($translator) = @_;
+ $DEBUG = $translator->debug;
+ $WARN = $translator->show_warnings;
+ my $no_comments = $translator->no_comments;
+ my $add_drop_table = $translator->add_drop_table;
+ my $schema = $translator->schema;
+ my $output = '';
+ my $indent = ' ';
+
+ $output .= header_comment unless($no_comments);
+ my (@table_defs);
+ foreach my $table ($schema->get_tables)
+ {
+ my $table_name = check_name($table->name, 'tables', 18);
+
+ my (@field_defs, @comments);
+ push @comments, "--\n-- Table: $table_name\n--" unless $no_comments;
+ foreach my $field ($table->get_fields)
+ {
+ my $field_name = check_name($field->name, 'fields', 30);
+ my $data_type = uc($translate{lc($field->data_type)} || $field->data_type);
+ my $size = $field->size();
+
+ my $field_def = "$field_name $data_type";
+ $field_def .= $field->is_auto_increment ?
+ ' GENERATED BY DEFAULT AS IDENTITY' : '';
+ $field_def .= $data_type =~ /CHAR/i ? "(${size})" : '';
+ $field_def .= !$field->is_nullable ? ' NOT NULL':'';
+ $field_def .= $field->is_primary_key ? ' PRIMARY KEY':'';
+ $field_def .= $field->default_value ? ' DEFAULT ' . $field->default_value : '';
+
+ push @field_defs, "${indent}${field_def}";
+ }
+
+
+ my $tablespace = $table->extra()->{'TABLESPACE'} || '';
+ my $table_def = "CREATE TABLE $table_name (\n";
+ $table_def .= join (",\n", @field_defs);
+ $table_def .= "\n)";
+ $table_def .= $tablespace ? "IN $tablespace;" : ';';
+
+ push @table_defs, "DROP TABLE $table_name;\n" if $add_drop_table;
+ push @table_defs, $table_def;
+ }
+
+ $output .= join("\n\n", @table_defs);
+}
+
+{ my %objnames;
+
+ sub check_name
+ {
+ my ($name, $type, $length) = @_;
+
+ my $newname = $name;
+ if(length($name) > $length) ## Maximum table name length is 18
+ {
+ warn "Table name $name is longer than $length characters, truncated" if $WARN;
+ if(grep {$_ eq substr($name, 0, $length) }
+ values(%{$objnames{$type}}))
+ {
+ die "Got multiple matching table names when truncated";
+ }
+ $objnames{$type}{$name} = substr($name, 0,$length);
+ $newname = $objnames{$type}{$name};
+ }
+
+ if($db2_reserved{uc($newname)})
+ {
+ warn "$newname is a reserved word in DB2!" if $WARN;
+ }
+
+ return sprintf("%-*s", $length-5, $newname);
+ }
+}
+
+1;
projects / dbsrgits/SQL-Translator.git / commitdiff