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  1. Calcite
  2. CALCITE-576

Make RelCollation trait and AbstractRelNode.getCollationList consistent

          Details

          • Type: Bug
          • Status: Closed
          • Priority: Major
          • Resolution: Fixed
          • Affects Version/s: 1.0.0-incubating
          • Fix Version/s: 1.1.0-incubating
          • Component/s: None
          • Labels:
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            Description

            Currently getCollationList is not consistent with RelCollation trait since a node can have only one collation trait, thus you cannot express the node that is sorted on multiple collations at the same time.

            We should either drop getCollationList in favour of getCollation or make collation trait support multiple "collation lists".

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                depends upon

                Bug - A problem which impairs or prevents the functions of the product. CALCITE-526 Add EnumerableMergeJoin, which exploits sorted inputs

                • Major - Major loss of function.
                • Closed

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                    • Assignee:
                      julianhyde Julian Hyde
                      Reporter:
                      vladimirsitnikov Vladimir Sitnikov
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                      • Created:
                        Updated:
                        Resolved: