Modules/MTA-MySQL/mysql errno

	This function is provided by the external module MTA-MySQL. You must install this module to use this function.

Returns the last error number of a MySQL connection.

Syntax

int mysql_errno ( MySQLConnection handler )

Required arguments

• handler: A valid MySQL link

Returns

The last error number, zero if nothing failed. Visit http://dev.mysql.com/doc/refman/5.0/en/error-handling.html for a list of error codes.

Example

Example 1: This example sends a query to the server and if it fails, shows the reason.

result = mysql_query(handler, "SELECT FROM table") -- We have a syntax error in the query
if (not result) then -- The query failed
  outputDebugString("mysql_query failed: (" .. mysql_errno(handler) .. ") " .. mysql_error(handler)) -- Show the reason
else
  mysql_free_result(result) -- Free the last query result data
end

See also

• mysql_connect
• mysql_close
• mysql_errno
• mysql_error
• mysql_ping
• mysql_select_db
• mysql_escape_string
• mysql_affected_rows
• mysql_change_user
• mysql_get_character_set_info
• mysql_get_client_info
• mysql_get_client_version
• mysql_get_host_info
• mysql_get_proto_info
• mysql_get_server_info
• mysql_get_server_version
• mysql_hex_string
• mysql_info
• mysql_insert_id
• mysql_query
• mysql_unbuffered_query
• mysql_set_character_set
• mysql_stat
• mysql_warning_count