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  1. Calcite
  2. CALCITE-88

Add collation as a trait and a kind of RelNode metadata

    Details

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

      Description

      Allow for traits to propagate up the tree.
      Ex: J2-F-J1
      If J1 uses SortMerge for Join then filter carries forward sordidness trait on join keys; If J2 is joining on same keys then it can take advantage of the sordidness trait of its child.

      ---------------- Imported from GitHub ----------------
      Url: https://github.com/julianhyde/optiq/issues/88
      Created by: jpullokkaran
      Labels:
      Created at: Thu Nov 28 00:21:59 CET 2013
      State: open

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              • Assignee:
                julianhyde Julian Hyde
                Reporter:
                github-import GitHub Import
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                  Updated:
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