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-rw-r--r--include/mysql_com.h34
1 files changed, 18 insertions, 16 deletions
diff --git a/include/mysql_com.h b/include/mysql_com.h
index 4ae7f66060f..7eefad44716 100644
--- a/include/mysql_com.h
+++ b/include/mysql_com.h
@@ -203,14 +203,10 @@ typedef struct st_net {
unsigned int *return_status;
unsigned char reading_or_writing;
char save_char;
- my_bool no_send_ok; /* For SPs and other things that do multiple stmts */
+ my_bool unused0; /* Please remove with the next incompatible ABI change. */
my_bool unused; /* Please remove with the next incompatible ABI change */
my_bool compress;
- /*
- Set if OK packet is already sent, and we do not need to send error
- messages
- */
- my_bool no_send_error;
+ my_bool unused1; /* Please remove with the next incompatible ABI change. */
/*
Pointer to query object in query cache, do not equal NULL (0) for
queries in cache that have not stored its results yet
@@ -221,11 +217,14 @@ typedef struct st_net {
functions and methods to maintain proper locking.
*/
unsigned char *query_cache_query;
- unsigned int last_errno;
- unsigned char error;
- my_bool report_error; /* We should report error (we have unreported error) */
+ unsigned int client_last_errno;
+ unsigned char error;
+ my_bool unused2; /* Please remove with the next incompatible ABI change. */
my_bool return_errno;
- char last_error[MYSQL_ERRMSG_SIZE], sqlstate[SQLSTATE_LENGTH+1];
+ /** Client library error message buffer. Actually belongs to struct MYSQL. */
+ char client_last_error[MYSQL_ERRMSG_SIZE];
+ /** Client library sqlstate buffer. Set along with the error message. */
+ char sqlstate[SQLSTATE_LENGTH+1];
void *extension;
} NET;
@@ -397,14 +396,17 @@ 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 */
- /* 0 if result is independent of arguments */
- my_bool const_item;
+ 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 */
void *extension;
} 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 */