[HIVE-15537] Nested column pruning: fix issue when selecting struct field from array/map element (part 2)

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.3.0
• Component/s: Logical Optimizer
• Assignee: Chao Sun
• Reporter: Chao Sun
• Created: 04/Jan/17 05:09
• Updated: 21/Jul/17 18:36
• Resolved: 13/Jan/17 17:38

Description

HIVE-15507 only addresses the issue of

SELECT arr[0].f FROM tbl

However, it didn't handle:

SELECT arr[0].f.g FROM tbl

In this case the current code will generate a path arr.g, which is wrong.

Issue Links

• is related to: HIVE-15507 Nested column pruning: fix issue when selecting struct field from array/map element
• is related to: HIVE-15536 Tests failing due to unexpected q.out outputs : udf_coalesce,case_sensitivity,input_testxpath