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DO NOT USE THIS INSTANCE FOR LIVE DATA!!!!

  1. Sub-task SPARK-31617
    support drop multiple functions
  2. Sub-task SPARK-30182
    Support nested aggregates
  3. Sub-task SPARK-29706
    Support an empty grouping expression
  4. Sub-task SPARK-29705
    Support more expressive forms in GroupingSets/Cube/Rollup
  5. Sub-task SPARK-29704
    Support the combinations of grouping operations
  6. Sub-task SPARK-29703
    Support grouping() in GROUP BY without GroupingSets/Cube/Rollup
  7. Sub-task SPARK-29702
    Resolve group-by columns with integrity constraints
  8. Sub-task SPARK-29700
    Support nested grouping sets
  9. Sub-task SPARK-29699
    Different answers in nested aggregates with window functions
  10. Sub-task SPARK-29698
    Support grouping function with multiple arguments
  11. Sub-task SPARK-29688
    Support average with interval type values
  12. Sub-task SPARK-29663
    Support sum with interval type values
  13. Sub-task SPARK-29659
    Support COMMENT ON syntax
  14. Sub-task SPARK-29636
    Can't parse '11:00 BST' or '2000-10-19 10:23:54+01' signatures to timestamp
  15. Sub-task SPARK-29633
    Make COLUMN optional in ALTER TABLE
  16. Sub-task SPARK-29591
    Support data insertion in a different order if you wish or even omit some columns in spark sql also like postgresql
  17. Sub-task SPARK-29524
    Unordered interval units
  18. Sub-task SPARK-29407
    Support syntax for zero interval
  19. Sub-task SPARK-29406
    Interval output styles
  20. Sub-task SPARK-29395
    Precision of the interval type
  21. Sub-task SPARK-29394
    Support ISO 8601 format for intervals
  22. Sub-task SPARK-29389
    Support synonyms for interval units
  23. Sub-task SPARK-29388
    Construct intervals from the `millenniums`, `centuries` or `decades` units
  24. Sub-task SPARK-29384
    Support `ago` in interval strings
  25. Sub-task SPARK-29383
    Support the optional prefix `@` in interval strings
  26. Sub-task SPARK-29382
    Support writing `INTERVAL` type to datasource table
  27. Sub-task SPARK-29370
    Interval strings without explicit unit markings
  28. Sub-task SPARK-29034
    String Constants with C-style Escapes
  29. Sub-task SPARK-29025
    Support seconds precision by the timestamp type
  30. Sub-task SPARK-29024
    Ignore case while resolving time zones
  31. Sub-task SPARK-29006
    Support special date/timestamp values `infinity`/`-infinity`
  32. Sub-task SPARK-28754
    [UDF] Supports for alter, rename, owner change should be supported in Spark
  33. Sub-task SPARK-28664
    ORDER BY in aggregate function
  34. Sub-task SPARK-28648
    Adds support to `groups` unit type in window clauses
  35. Sub-task SPARK-28501
    frame bound must be a literal
  36. Sub-task SPARK-28437
    Different format when casting interval type to string type
  37. Sub-task SPARK-28429
    SQL Datetime util function being casted to double instead of timestamp
  38. Sub-task SPARK-28428
    Spark `exclude` always expecting `()`
  39. Sub-task SPARK-28425
    Add more Date/Time Operators
  40. Sub-task SPARK-28409
    SELECT FROM syntax
  41. Sub-task SPARK-28405
    Join with USING caluse doesn't hide original tables
  42. Sub-task SPARK-28318
    Decimal can only support precision up to 38
  43. Sub-task SPARK-28315
    Decimal can not accept NaN as input
  44. Sub-task SPARK-28297
    Handling outer links in CTE subquery expressions
  45. Sub-task SPARK-28296
    Improved VALUES support
  46. Sub-task SPARK-28259
    Date/Time Output Styles and Date Order Conventions
  47. Sub-task SPARK-28253
    Date/Timestamp type have different low value and high value with Spark
  48. Sub-task SPARK-28068
    `lag` second argument must be a literal
  49. Sub-task SPARK-28065
    ntile only accepting positive (>0) values
  50. Sub-task SPARK-28064
    Order by does not accept a call to rank()
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