diff options
Diffstat (limited to 'sql/handler.h')
| -rw-r--r-- | sql/handler.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sql/handler.h b/sql/handler.h index 050a19f37d9..ffac0472f2a 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -1,3 +1,6 @@ +#ifndef HANDLER_INCLUDED +#define HANDLER_INCLUDED + /* Copyright 2000-2008 MySQL AB, 2008 Sun Microsystems, Inc. This program is free software; you can redistribute it and/or modify @@ -214,6 +217,13 @@ #define MAX_HA 15 /* + Use this instead of 0 as the initial value for the slot number of + handlerton, so that we can distinguish uninitialized slot number + from slot 0. +*/ +#define HA_SLOT_UNDEF ((uint)-1) + +/* Parameters for open() (in register form->filestat) HA_GET_INFO does an implicit HA_ABORT_IF_LOCKED */ @@ -2073,3 +2083,4 @@ int ha_binlog_end(THD *thd); #define ha_binlog_wait(a) do {} while (0) #define ha_binlog_end(a) do {} while (0) #endif +#endif /* HANDLER_INCLUDED */ |