(mysql.info) mysql-list-fields

 
 22.2.3.41 `mysql_list_fields()'
 ...............................
 
 `MYSQL_RES *mysql_list_fields(MYSQL *mysql, const char *table, const
 char *wild)'
 
 *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 TBL_NAME [LIKE WILD]'.
 
 Note that it's recommended that you use `SHOW COLUMNS FROM TBL_NAME'
 instead of `mysql_list_fields()'.
 
 You must free the result set with `mysql_free_result()'.
 
 *Return Values*
 
 A `MYSQL_RES' result set for success.  `NULL' if an error occurred.
 
 *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.

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