Fixed some cache variables that could be set to higher value than what the code supported (size_t)

Fixed some cases that didn't work with > 4G buffers.
Fixed compiler warnings


include/mysql_com.h:
  Avoid compiler warning with strncmp()
sql-common/client.c:
  Fixed long comment; Added ()
sql/filesort.cc:
  Fix code to get filesort to work with big buffers
sql/sys_vars.cc:
  Fixed some cache variables that could be set to higher value than the size_t
  Limit query cache to ULONG_MAX as the query cache buffer variables are ulong
storage/federatedx/ha_federatedx.cc:
  Remove not used variable
storage/maria/ha_maria.cc:
  Fix that bulk_insert() works with big buffers
storage/maria/ma_write.c:
  Fix that bulk_insert() works with big buffers
storage/myisam/ha_myisam.cc:
  Fix that bulk_insert() works with big buffers
storage/myisam/mi_write.c:
  Fix that bulk_insert() works with big buffers
storage/sphinx/snippets_udf.cc:
  Fixed compiler warnings

1 files changed, 0 insertions, 1 deletions

diff --git a/storage/federatedx/ha_federatedx.cc b/storage/federatedx/ha_federatedx.cc
index aac2414bca1..eceeb2c3e92 100644
--- a/storage/federatedx/ha_federatedx.cc
+++ b/storage/federatedx/ha_federatedx.cc
@@ -537,7 +537,6 @@ static int parse_url_error(FEDERATEDX_SHARE *share, TABLE *table, int error_num)
 int get_connection(MEM_ROOT *mem_root, FEDERATEDX_SHARE *share)
 {
   int error_num= ER_FOREIGN_SERVER_DOESNT_EXIST;
-  char error_buffer[FEDERATEDX_QUERY_BUFFER_SIZE];
   FOREIGN_SERVER *server, server_buffer;
   DBUG_ENTER("ha_federatedx::get_connection");