svk-commitTn2OH.tmp

[dbsrgits/SQL-Translator.git] / bin / sqlt-diff

diff --git a/bin/sqlt-diff b/bin/sqlt-diff
index 5e8167b..2bb065a 100755 (executable)
--- a/bin/sqlt-diff
+++ b/bin/sqlt-diff
@@ -2,9 +2,9 @@
 # vim: set ft=perl:
 
 # -------------------------------------------------------------------
-# $Id: sqlt-diff,v 1.18 2007-03-21 15:20:50 duality72 Exp $
+# $Id$
 # -------------------------------------------------------------------
-# Copyright (C) 2002-4 The SQLFairy Authors
+# Copyright (C) 2002-2009 The 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
@@ -53,6 +53,8 @@ Options:
                           for new tables
   --ignore-view-sql    Ignore view SQL differences
   --ignore-proc-sql    Ignore procedure SQL differences
+  --no-batch-alters    Do not clump multile alters to the same table into a
+                       single ALTER TABLE statement where possible.
 
 =head1 DESCRIPTION
 
@@ -93,9 +95,10 @@ new index as such:
 
 =back
 
-"ALTER/DROP TABLE" and "CREATE INDEX" statements B<are not> generated by
-the Producer, unfortunately, and may require massaging before being passed to
-your target database.
+ALTER, CREATE, DROP statements are created by
+SQL::Translator::Producer::*, see there for support/problems.
+
+Currently (v0.0900), only MySQL is supported by this code.
 
 =cut
 
@@ -108,12 +111,9 @@ use SQL::Translator;
 use SQL::Translator::Diff;
 use SQL::Translator::Schema::Constants;
 
-use vars qw( $VERSION );
-$VERSION = sprintf "%d.%02d", q$Revision: 1.18 $ =~ /(\d+)\.(\d+)/;
-
 my ( @input, $list, $help, $debug, $trace, $caseopt, $ignore_index_names, 
        $ignore_constraint_names, $output_db, $mysql_parser_version,
-       $ignore_view_sql, $ignore_proc_sql );
+       $ignore_view_sql, $ignore_proc_sql, $no_batch_alters );
 for my $arg ( @ARGV ) {
     if ( $arg =~ m/^-?-l(ist)?$/ ) {
         $list = 1;
@@ -151,11 +151,22 @@ for my $arg ( @ARGV ) {
     elsif ( $arg =~ m/^([^=]+)=(.+)$/ ) {
         push @input, { file => $1, parser => $2 };
     }
+    elsif ( $arg =~ m/^--no-batch-alters$/ ) {
+      $no_batch_alters = 1;
+    }
     else {
         pod2usage( msg => "Unknown argument '$arg'" );
     }
 }
 
+print STDERR <<'EOM';
+This code is experimental, currently the new code only supports MySQL or 
+SQLite diffing. To add support for other databases, please patch the relevant
+SQL::Translator::Producer:: module.  If you need compatibility with the old
+sqlt-diff, please use sqlt-diff-old, and look into helping us make this one
+work for you
+EOM
+
 pod2usage(1) if $help || !@ARGV;
 pod2usage('Please specify only two schemas to diff') if scalar @input > 2;
 
@@ -199,6 +210,7 @@ my $result = SQL::Translator::Diff::schema_diff($source_schema, $source_db,
                                                   ignore_view_sql         => $ignore_view_sql,
                                                   ignore_proc_sql         => $ignore_proc_sql,
                                                   output_db               => $output_db,
+                                                  no_batch_alters         => $no_batch_alters,
                                                   debug                   => $debug,
                                                   trace                   => $trace });
 if($result)