Many files:

  Multiple charset support for InnoDB; note that if you create tables and the default charset-collation is not latin1_swedish_ci, then you cannot use those tables if you downgrade to 4.0 again

1 files changed, 7 insertions, 0 deletions

diff --git a/innobase/data/data0type.c b/innobase/data/data0type.c
index f505cdfb0a2..39c80b773a2 100644
--- a/innobase/data/data0type.c
+++ b/innobase/data/data0type.c
@@ -12,6 +12,13 @@ Created 1/16/1996 Heikki Tuuri
 #include "data0type.ic"
 #endif
 
+/* At the database startup we store the default-charset collation number of
+this MySQL installation to this global variable. If we have < 4.1.2 format
+column definitions, or records in the insert buffer, we use this
+charset-collation code for them. */
+
+ulint	data_mysql_default_charset_coll		= 99999999;
+
 dtype_t		dtype_binary_val = {DATA_BINARY, 0, 0, 0, 0};
 dtype_t* 	dtype_binary 	= &dtype_binary_val;