[KYLIN-1755] TopN Measure IndexOutOfBoundsException

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: v1.5.2
• Fix Version/s: v1.5.3
• Component/s: Metadata
• Labels: patch
• Flags: Patch
• Assignee: Shao Feng Shi
• Reporter: Copperfield
• Created: 01/Jun/16 08:59
• Updated: 28/Jul/16 06:48
• Resolved: 13/Jun/16 06:38

Description

TopN measure select constant as Param Type and then choose a GROUP BY column, when job build at step 2 Extract Fact Table Distinct Columns, there is an IndexOutOfBoundsException at org.apache.kylin.measure.topn.TopNMeasureType.getColumnsNeedDictionary(TopNMeasureType.java:170)

Issue Links

• is related to: KYLIN-1588 Failed to build Top-N measure if OrderBy param type set to constant.