Changed thd variables max_join_size and select_limit to type ha_rows.

This fixed some optimization problems when using -DBIG_TABLES
Portabilty fixes for OpenUnix and HPUX
Added C and C++ version numbers to mysqlbug

1 files changed, 18 insertions, 0 deletions

diff --git a/sql/set_var.h b/sql/set_var.h
index 3edd0373db9..c74f1e827bd 100644
--- a/sql/set_var.h
+++ b/sql/set_var.h
@@ -211,6 +211,24 @@ public:
 };
 
 
+class sys_var_thd_ha_rows :public sys_var_thd
+{
+public:
+  ha_rows SV::*offset;
+  sys_var_thd_ha_rows(const char *name_arg, ha_rows SV::*offset_arg)
+    :sys_var_thd(name_arg), offset(offset_arg)
+  {}
+  sys_var_thd_ha_rows(const char *name_arg, ha_rows SV::*offset_arg,
+		      sys_after_update_func func)
+    :sys_var_thd(name_arg,func), offset(offset_arg)
+  {}
+  bool update(THD *thd, set_var *var);
+  void set_default(THD *thd, enum_var_type type);
+  SHOW_TYPE type() { return SHOW_HA_ROWS; }
+  byte *value_ptr(THD *thd, enum_var_type type);
+};
+
+
 class sys_var_thd_ulonglong :public sys_var_thd
 {
 public: