Release v0.6.0

Features/Improvements

• Add MERGE command Support. (issue-26)
• Performance improvements in acid writer. (issue-88)
• Parallelizing Split computation for Acid Tables. (issue-78)
• Add Partition Pruner as a fallback when HMS pruning fails. (issue-21)
• Don't allocate writeIds for Read transactions.
• Reduce wait time for lock acquisition to around 5 mins by default and make it configurable. (issue-55)

Notable Bug Fixes:

• Fix rowId issue when pushdown of projections or aggregation. (issue-46)
• Fix issues related to Dynamic Partitions. (issue-44, issue-76)
• Fix the repartitioning logic to handle statement IDs. (issue-83)
• Fixes bucket ID bug in update/delete operation on acid table. (issue-92)
• Fix the Heartbeat Runner. (issue-54)
• Update on partition columns are disallowed. (issue-59)

Release v0.5.0

Major Changes:

• Support for INSERT into FullACID and InsertOnly Tables in ORC.
• Support for UPDATE and DELETE for Full ACID Table in ORC including the SQL support.
• Support for Spark Native Reader for ACID tables in ORC
• Support for Structured Streaming Writes into ACID tables and using ACID tables as streaming sink

Notable Improvements:

• Adding check for Transaction validity after it acquires lock, so that it is working on consistent states of table
• Support for dynamically setting version for Hive and Spark
• Fix reading ACID tables with row ids.
• Support for Writing Date and TimeStamp columns.

Credit: Rajkumar Iyer, Amogh Margoor, Abhishek Dixit, Megha Thakkar, Herbert Liao, Mahesh Kumar Behera