Can't use Next when IsUniDirectional = True
Posted: 01.07.2014, 14:08
To avoid memory problems I try to use the IsUniDirectional feature of a TZReadOnlyQuery for looping through all the records of an Oracle table.
The Query opens normaly, but at the first Next command I get the message 'Operation is not allowed in FORWARD ONLY mode.'
I thought Next = Forward??
What else is needed to use a UniDirectional query?
I am using Lazarus 1.2.4. with ZEOS 7.1.3 on Windows 7.
The Query opens normaly, but at the first Next command I get the message 'Operation is not allowed in FORWARD ONLY mode.'
I thought Next = Forward??
What else is needed to use a UniDirectional query?
I am using Lazarus 1.2.4. with ZEOS 7.1.3 on Windows 7.