Sourabh Badhya created HIVE-26510: ------------------------------------- Summary: Minor compaction creates empty delta files when no prior delta files exists Key: HIVE-26510 URL: https://issues.apache.org/jira/browse/HIVE-26510 Project: Hive Issue Type: Bug Reporter: Sourabh Badhya Assignee: Sourabh Badhya
Hive is creating empty delta files after minor compaction even when 0 delta files exists before compaction. Steps to reproduce: {code:java} DROP TABLE IF EXISTS test_major_delete_minor; CREATE TABLE test_major_delete_minor (name VARCHAR(50), age TINYINT, num_clicks BIGINT) stored as orc; insert into test_major_delete_minor values ('amy', 35, 12341234); insert into test_major_delete_minor values ('bob', 66, 1234712348712); insert into test_major_delete_minor values ('cal', 21, 431); insert into test_major_delete_minor values ('fse', 28, 8456); ALTER TABLE test_major_delete_minor COMPACT 'major'; DELETE FROM test_major_delete_minor WHERE name='bob'; DELETE FROM test_major_delete_minor WHERE name='fse'; ALTER TABLE test_major_delete_minor COMPACT 'minor'; {code} -- This message was sent by Atlassian Jira (v8.20.10#820010)