[HIVE-10059] Make udaf_percentile_approx_23.q test more stable

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.2.0
• Component/s: Tests
• Assignee: Alexander Pivovarov
• Reporter: Alexander Pivovarov
• Created: 23/Mar/15 17:29
• Updated: 18/May/15 20:29
• Resolved: 31/Mar/15 17:42

Description

I think the result of the test is not deterministic
Sometimes line 626 in the output shows 256.0 sometimes 255.5
Both results are correct because this UDAF returns approximate result.
Probably results in the range of 255-257 should be considered as correct

Issue Links

• duplicates: HIVE-9833 udaf_percentile_approx_23.q fails intermittently
• is duplicated by: HIVE-10096 Investigate the random failure of TestCliDriver.testCliDriver_udaf_percentile_approx_23
• is related to: HIVE-9468 Test groupby3_map_skew.q fails due to decimal precision difference
• is related to: HIVE-10665 Continue to make udaf_percentile_approx_23.q test more stable
• links to: https://reviews.apache.org/r/32408/