From 2c3a4641077264b54f894782170ba58129ee547f Mon Sep 17 00:00:00 2001
From: unknown <thek@adventure.(none)>
Date: Tue, 8 May 2007 11:24:07 +0200
Subject: 4.1 -> 5.0 Manual merge for Bug #27792

mysql-test/r/query_cache.result:
  Added 5.0 testcase
mysql-test/t/query_cache.test:
  Added 5.0 test case
sql/mysql_priv.h:
  Added support for div_precision_increment
sql/set_var.cc:
  - Added query cache flush when system variable ft_boolean_syntax is
    updated since this also invalidates all cached result sets using this
    variable.
sql/sql_cache.cc:
  - Added the local system variable div_precision_increment as an identification flag
    for cached queries.
---
 sql/set_var.cc | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'sql/set_var.cc')

diff --git a/sql/set_var.cc b/sql/set_var.cc
index c7eddcdd317..1952ae9e7c6 100644
--- a/sql/set_var.cc
+++ b/sql/set_var.cc
@@ -1200,6 +1200,11 @@ static bool sys_update_ftb_syntax(THD *thd, set_var * var)
 {
   strmake(ft_boolean_syntax, var->value->str_value.c_ptr(),
 	  sizeof(ft_boolean_syntax)-1);
+
+#ifdef HAVE_QUERY_CACHE
+  query_cache.flush();
+#endif /* HAVE_QUERY_CACHE */
+
   return 0;
 }
 
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