From bb14143c77e0759a0f8523d240ad56966c2318e3 Mon Sep 17 00:00:00 2001
From: hawk__ <hawk__@b8457f37-d9ea-0310-8a92-e5e31aec5664>
Date: Sun, 20 May 2012 12:57:04 +0000
Subject: [PATCH] Added a handle for DROP TABLE to remove sequences that are
 linked with the dropped table

git-svn-id: https://plugins.svn.wordpress.org/postgresql-for-wordpress/trunk@546567 b8457f37-d9ea-0310-8a92-e5e31aec5664
---
 pg4wp/driver_pgsql.php         | 2 +-
 pg4wp/driver_pgsql_install.php | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/pg4wp/driver_pgsql.php b/pg4wp/driver_pgsql.php
index 2880f5c..aba2dd2 100644
--- a/pg4wp/driver_pgsql.php
+++ b/pg4wp/driver_pgsql.php
@@ -372,7 +372,7 @@
 		}
 		// Load up upgrade and install functions as required
 		$begin = substr( $sql, 0, 3);
-		$search = array( 'SHO', 'ALT', 'DES', 'CRE');
+		$search = array( 'SHO', 'ALT', 'DES', 'CRE', 'DRO');
 		if( in_array($begin, $search))
 		{
 			require_once( PG4WP_ROOT.'/driver_pgsql_install.php');
diff --git a/pg4wp/driver_pgsql_install.php b/pg4wp/driver_pgsql_install.php
index 0151b0a..ceb3e18 100644
--- a/pg4wp/driver_pgsql_install.php
+++ b/pg4wp/driver_pgsql_install.php
@@ -207,6 +207,15 @@ WHERE pg_class.relname='$table_name' AND pg_attribute.attnum>=1 AND NOT pg_attri
 			// Now remove handled indexes
 			$sql = preg_replace( $pattern, '', $sql);
 		}// CREATE TABLE
+		elseif( 0 === strpos($sql, 'DROP TABLE'))
+		{
+			$logto = 'DROPTABLE';
+			$pattern = '/DROP TABLE.+ [`]?(\w+)[`]?$/';
+			preg_match($pattern, $sql, $matches);
+			$table = $matches[1];
+			$seq = $table . '_seq';
+			$sql .= ";\nDROP SEQUENCE IF EXISTS $seq;";
+		}// DROP TABLE
 		
 		return $sql;
 	}