diff options
Diffstat (limited to 'include/mysql_com.h')
| -rw-r--r-- | include/mysql_com.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/include/mysql_com.h b/include/mysql_com.h index 889579e3622..94b34c1c3f0 100644 --- a/include/mysql_com.h +++ b/include/mysql_com.h @@ -387,12 +387,16 @@ typedef struct st_udf_args typedef struct st_udf_init { - my_bool maybe_null; /* 1 if function can return NULL */ - unsigned int decimals; /* for real functions */ - unsigned long max_length; /* For string functions */ - char *ptr; /* free pointer for function data */ - my_bool const_item; /* 0 if result is independent of arguments */ + my_bool maybe_null; /* 1 if function can return NULL */ + unsigned int decimals; /* for real functions */ + unsigned long max_length; /* For string functions */ + char *ptr; /* free pointer for function data */ + my_bool const_item; /* 1 if function always returns the same value */ } UDF_INIT; +/* + TODO: add a notion for determinism of the UDF. + See Item_udf_func::update_used_tables () +*/ /* Constants when using compression */ #define NET_HEADER_SIZE 4 /* standard header size */ |