useQueryRDBDirect()
The function checks if RDB (Oracle) is used for queries.
Synopsis
bool useQueryRDBDirect();
Parameters
-
Return value
The function returns TRUE when the config entry "queryRDBdirect = 1" is used in the WinCC OA project and RDB (Oracle) is used for the queries.
Description
The function checks if RDB (Oracle) is used for queries.
The example checks if ../HDB_RDB_Parallel/HDB_RDB_Parallel-04.html#HDB_RDB_Parallel-04__queryRDBDirect is used for queries and outputs the result.
main(mapping event)
{
bool ret = useQueryRDBDirect();
DebugN("RDB queries are used:", ret);
}
Assignment
Availability
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