Hive Design Documents

Proposals that appear in the "Completed" and "In Progress" sections should include a link to a JIRA ticket

Completed

Views (HIVE-1143 )
Partitioned Views (HIVE-1941 )
Storage Handlers (HIVE-705 )
HBase Integration
HBase Bulk Load
Locking (HIVE-1293 )
Indexes (HIVE-417 )
Bitmap Indexes (HIVE-1803 )
Filter Pushdown (HIVE-279 )
Table-level Statistics (HIVE-1361 )
Dynamic Partitions
Binary Data Type (HIVE-2380 )
Decimal Precision and Scale Support
HCatalog (formerly Howl)
HiveServer2 (HIVE-2935 )
Column Statistics in Hive (HIVE-1362 )
List Bucketing (HIVE-3026 )
Group By With Rollup (HIVE-2397 )
Enhanced Aggregation, Cube, Grouping and Rollup (HIVE-3433 )
Optimizing Skewed Joins (HIVE-3086 )
Correlation Optimizer (HIVE-2206 )
Hive on Tez (HIVE-4660 )
- Hive-Tez Compatibility
Vectorized Query Execution (HIVE-4160 )
Cost Based Optimizer in Hive (HIVE-5775 )
Atomic Insert/Update/Delete (HIVE-5317 )
Transaction Manager (HIVE-5843 )
SQL Standard based secure authorization (HIVE-5837 )
Hybrid Hybrid Grace Hash Join (HIVE-9277 )
LLAP Daemons (HIVE-7926 )
Support for Hive Replication (HIVE-7973 )

In Progress

Column Level Top K Statistics (HIVE-3421 )
Hive on Spark (HIVE-7292 )
Hive on Spark: Join Design (HIVE-7613)
Improve ACID Performance – download docx file (HIVE-14035 , HIVE-14199 , HIVE-14233 )
Query Results Caching (HIVE-18513 )
Default Constraint (HIVE-18726)
Different TIMESTAMP types (HIVE-21348 )

Proposed

Incomplete

Authorization (Committed but not secure/deployable – see Disclaimer )

Abandoned

Other