[HIVE-14957] HiveSortLimitPullUpConstantsRule misses branches when parent operator is Union

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.1.1, 2.2.0
• Assignee: Pengcheng Xiong
• Reporter: Pengcheng Xiong
• Created: 14/Oct/16 04:47
• Updated: 27/Feb/24 22:23
• Resolved: 17/Oct/16 18:17

Description

call.transformTo(parent.copy(parent.getTraitSet(), ImmutableList.of(relBuilder.build())));

When parent is an union operator which has 2 inputs, the parent.copy will only copy the one that has SortLimit and ignore the other branches.