[HIVE-18158] Remove OrcRawRecordMerger.ReaderPairAcid.statementId

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: Transactions
• Target Version/s: 3.0.0
• Assignee: Eugene Koifman
• Reporter: Eugene Koifman
• Created: 28/Nov/17 02:04
• Updated: 22/May/18 23:13
• Resolved: 28/Feb/18 20:00

Description

• Need to get rid of this since we can always get this from the row itself in Acid 2.0.
• For Acid 1.0, statementId == 0 in all deltas because both multi-statement txns and
• Split Upate are only available in test mode so there is nothing can create a
• deltas_x_x_M with M > 0.

Issue Links

• blocks: HIVE-18774 ACID: Use the _copy_N files copyNumber as the implicit statement-id
• relates to: HIVE-16832 duplicate ROW__ID possible in multi insert into transactional table