[KYLIN-3522] PrepareStatement cache issue

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: v2.5.0
• Fix Version/s: v2.5.0
• Component/s: Query Engine
• Assignee: Gang Ma
• Reporter: Gang Ma
• Created: 31/Aug/18 10:04
• Updated: 17/Sep/18 00:59
• Resolved: 03/Sep/18 07:36

Description

When enable server side prepareStatement cache, OLAPContext is cached with prepareStatement object, because filter is also in the OLAPContext, so the condition values in the comparedFilter is also cached, that may cause problem in some cases.