MYSQL_RES *mysql_list_fields(MYSQL *mysql, const char *table, const char *wild)
20.4.32.1 Description
Returns a result set consisting of field names in the given table that match
the simple regular expression specified by the wild
parameter.
wild
may contain the wildcard characters `%' or `_', or may
be a NULL
pointer to match all fields. Calling
mysql_list_fields()
is similar to executing the query SHOW
COLUMNS FROM nom_table [LIKE wild]
.
Note that it's recommended that you use SHOW COLUMNS FROM nom_table
instead of mysql_list_fields()
.
You must free the result set with mysql_free_result()
.
20.4.32.2 Return values
A MYSQL_RES
result set for success. NULL
if an error occurred.
20.4.32.3 Errors
CR_COMMANDS_OUT_OF_SYNC
-
Commands were executed in an improper order.
CR_SERVER_GONE_ERROR
-
The MySQL server has gone away.
CR_SERVER_LOST
-
The connection to the server was lost during the query.
CR_UNKNOWN_ERROR
-
An unknown error occurred.