From f9eff31eaf45176b400acd6ac8fd820ae8240075 Mon Sep 17 00:00:00 2001
From: Ivan Kohler <ivan@freeside.biz>
Date: Wed, 3 Feb 2016 16:36:10 -0800
Subject: [PATCH] Add IF EXISTS to DROP INDEX (except under MySQL)

---
 Changes           | 3 +++
 DBSchema.pm       | 4 ++--
 DBSchema/Table.pm | 6 +++---
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/Changes b/Changes
index 6177c17..8d02b37 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,8 @@
 Revision history for Perl module DBIx::DBSchema
 
+0.46 unreleased
+    - Add IF EXISTS to DROP INDEX (except under MySQL)
+
 0.45 Wed May  6 22:17:33 PDT 2015
     - MySQL does not support DEFAULT for TEXT/BLOB columns, closes: CPAN#58505
     - doc: Add repository information
diff --git a/DBSchema.pm b/DBSchema.pm
index bb523b7..af5cfd0 100644
--- a/DBSchema.pm
+++ b/DBSchema.pm
@@ -3,12 +3,12 @@ package DBIx::DBSchema;
 use strict;
 use Storable;
 use DBIx::DBSchema::_util qw(_load_driver _dbh _parse_opt);
-use DBIx::DBSchema::Table 0.08;
+use DBIx::DBSchema::Table 0.12;
 use DBIx::DBSchema::Index;
 use DBIx::DBSchema::Column;
 use DBIx::DBSchema::ForeignKey;
 
-our $VERSION = '0.45';
+our $VERSION = '0.46_01';
 $VERSION = eval $VERSION; # modperlstyle: convert the string into a number
 
 our $DEBUG = 0;
diff --git a/DBSchema/Table.pm b/DBSchema/Table.pm
index ef51928..67e2eea 100644
--- a/DBSchema/Table.pm
+++ b/DBSchema/Table.pm
@@ -7,7 +7,7 @@ use DBIx::DBSchema::Column 0.14;
 use DBIx::DBSchema::Index;
 use DBIx::DBSchema::ForeignKey 0.13;
 
-our $VERSION = '0.11';
+our $VERSION = '0.12';
 our $DEBUG = 0;
 
 =head1 NAME
@@ -631,8 +631,8 @@ sub sql_alter_table {
     warn "removing obsolete index $table.$old ON ( ".
          $old_indices{$old}->columns_sql. " )\n"
       if $DEBUG > 1;
-    push @r, "DROP INDEX $old".
-             ( $driver eq 'mysql' ? " ON $table" : '');
+    push @r, "DROP INDEX $old ".
+             ( $driver eq 'mysql' ? " ON $table" : ' IF EXISTS');
   }
 
   foreach my $new ( keys %new_indices ) {
-- 
2.11.0