From 94516e7f2a4c8ff1026e0a4a4ef9cefb9fe0c23d Mon Sep 17 00:00:00 2001
From: Chris Cormack <chrisc@catalyst.net.nz>
Date: Wed, 7 Dec 2011 11:07:23 +1300
Subject: [PATCH] Bug 7276 : Follow up, adding a sub to clear the cache

Signed-off-by: Paul Poulain <paul.poulain@biblibre.com>
---
 C4/SQLHelper.pm | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/C4/SQLHelper.pm b/C4/SQLHelper.pm
index 900e40dba5..41c5a9f5c1 100644
--- a/C4/SQLHelper.pm
+++ b/C4/SQLHelper.pm
@@ -54,6 +54,7 @@ BEGIN {
 	SearchInTable
 	UpdateInTable
 	GetPrimaryKeys
+        clear_columns_cache
 );
 	%EXPORT_TAGS = ( all =>[qw( InsertInTable DeleteInTable SearchInTable UpdateInTable GetPrimaryKeys)]
 				);
@@ -252,6 +253,23 @@ sub GetPrimaryKeys($) {
 	return  grep { $hash_columns->{$_}->{'Key'} =~/PRI/i}  keys %$hash_columns;
 }
 
+
+=head2 clear_columns_cache
+
+  C4::SQLHelper->clear_columns_cache();
+
+cleans the internal cache of sysprefs. Please call this method if
+you update a tables structure. Otherwise, your new changes
+will not be seen by this process.
+
+=cut
+
+sub clear_columns_cache {
+    %$hashref = ();
+}
+
+
+
 =head2 _get_columns
 
     _get_columns($tablename)
-- 
2.20.1