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  1. Flink
  2. FLINK-24403

Improve behaviour of CAST

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Details

    • Improvement
    • Status: In Progress
    • Major
    • Resolution: Unresolved
    • None
    • None
    • Table SQL / API, Table SQL / Planner
    • None

    Description

      Meta issue to include or relevant bugs and improvements around the functionality of CAST.

       

      Attachments

        1. screenshot-1.png
          233 kB
          Xin Chen

        Issue Links

          is related to

          Improvement - An improvement or enhancement to an existing feature or task. FLINK-21456 TableResult#print() should correctly stringify values

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed
          1.
          		 Refactor scalar function testing infrastructure to allow testing multiple columns Sub-task Closed Marios Trivyzas
          2.
          		 Add tests for all currently supported cast combinations Sub-task Closed Marios Trivyzas
          3.
          		 Casting a TIMESTAMP_LTZ to STRING doesn't include timezone id Sub-task Closed Marios Trivyzas
          4.
          		 Casting a STRING to a TIME() results in loss of fractional seconds Sub-task Closed Unassigned
          5.
          		 Casting from a string to a DATE and TIME allows incomplete strings Sub-task Closed Marios Trivyzas
          6.
          		 Support cast of RAW() to BINARY/VARBINARY/BYTES Sub-task Closed Marios Trivyzas
          7.
          		 CAST from invalid CHAR/VARCHAR/STRING to TIMESTAMP_LTZ throws NPE Sub-task Resolved Marios Trivyzas
          8.
          		 RuntimeException: while resolving method 'booleanValue' in class class java.math.BigDecimal Sub-task Closed Marios Trivyzas
          9.
          		 Consolidate all CAST related test into the new CastFunctionITCase class Sub-task Closed Marios Trivyzas
          10.
          		 Casting a decimal to a String doesn't do left zero padding Sub-task Closed Marios Trivyzas
          11.
          		 Introduce config option to keep previous CAST behaviour Sub-task Closed Marios Trivyzas
          12.
          		 Improve cast ROW to STRING Sub-task Closed Shen Zhu
          13.
          		 Enforce CHAR/VARCHAR precision when outputing to a Sink Sub-task Closed Marios Trivyzas
          14.
          		 DISTINCT is not handled correctly by CastRules Sub-task Closed Francesco Guardiani
          15.
          		 Introduce NULL type to string cast rule Sub-task Closed Francesco Guardiani
          16.
          		 Casting to a CHAR() and VARCHAR() doesn't trim the string to the specified precision Sub-task Closed Marios Trivyzas
          17.
          		 TIMESTAMP/TIMESTAMP_LTZ Pad with trailing zeros for fractional seconds depending on the precision specified Sub-task Closed Marios Trivyzas
          18.
          		 Casting to a bounded BINARY/VARBINARY doesn't trim to the specified precision Sub-task Closed Shen Zhu
          19.
          		 Fix formatting for true, false and null to uppercase Sub-task Closed Francesco Guardiani
          20.
          		 Fix cast BINARY/VARBINARY to STRING Sub-task Closed Marios Trivyzas
          21.
          		 Apply padding for BINARY(<precision>) Sub-task Closed Marios Trivyzas
          22.
          		 Add TRY_CAST function to be able to handle errors Sub-task Closed Marios Trivyzas
          23.
          		 Support for casting collection types. Sub-task Closed Sergey Nuyanzin
          24.
          		 Improve casting STRUCTURED type to STRING Sub-task Closed Francesco Guardiani
          25.
          		 Expose complex types CAST to String Sub-task Closed Francesco Guardiani
          26.
          		 Casting from STRING to TIMESTAMP_LTZ looses fractional seconds Sub-task Closed Francesco Guardiani
          27.
          		 Make the legacy behavior disabled by default Sub-task Closed Francesco Guardiani
          28.
          		 Doc overhaul for the CAST behaviour Sub-task Closed Francesco Guardiani
          29.
          		 Compile RowDataToStringConverter lazily Sub-task Closed Francesco Guardiani
          30.
          		 Support cast from BINARY/VARBINARY/BYTES to of RAW(<clazz>) Sub-task In Progress Marios Trivyzas
          31.
          		 Refactor timestamp<->number validation messages Sub-task In Progress Marios Trivyzas
          32.
          		 Translate the new SQL CAST documentation to Chinese Sub-task Resolved Chengkai Yang
          33.
          		 Decide the overflows behaviour Sub-task Open Marios Trivyzas
          34.
          		 Casting to a "narrower" type doesn't throw exception but follows Java overflow Sub-task Open Marios Trivyzas
          35.
          		 Improve error message for "Unsupported casting" Sub-task Open Unassigned
          36.
          		 User defined functions refuse to accept multi-set arguments without type hints Sub-task Open Unassigned
          37.
          		 When creating a TIMESTAMP_LTZ only allow Instant Sub-task Open Unassigned
          38.
          		 Cast from TIME to TIMESTAMP currently uses Epoch Date Sub-task Open Unassigned
          39.
          		 Add support for casting from a single type to the corresponding array Sub-task Open Unassigned
          40.
          		 Add support for cast from a string to an INTERVAL Sub-task Open Unassigned
          41.
          		 Fix casting between interval types Sub-task Open Unassigned
          42.
          		 Drop support for casting decimal numerics to boolean for SQL Sub-task Open Unassigned
          43.
          		 Optimisation of chained cast calls can lead to unexpected behaviour Sub-task Open Sergey Nuyanzin
          44.
          		 Casting of Multisets to Multisets Sub-task Open Unassigned
          45.
          		 Remove identity casting from ScalarOperatorGens Sub-task Open Unassigned
          46.
          		 Support cast from BYTES to NUMBER Sub-task Open Hanyu Zheng
          47.
          		 Support cast from NUMBER to BYTES Sub-task Open Hanyu Zheng
          48.
          		 Avoid scientific notation for DOUBLE to STRING Sub-task Open Unassigned

          Activity

            People

              matriv Marios Trivyzas
              matriv Marios Trivyzas
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              Dates

                Created:
                Updated: