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  1. Nuxeo Platform
  2. NXP-10182

Optionally use SQL arrays to store lists on PostgreSQL

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    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 5.6
    • Fix Version/s: 5.8.0-HF08, 5.9.3
    • Component/s: Core VCS
    • Tags:
    • Impact type:
      Configuration format change
    • Upgrade notes:
      Hide

      A given list field can be switched to database array storage using:

      <schema>
      <field type="array">some:field</field>
      </schema>

      To automatically enable database arrays for all list fields, use:

      <schema>
      <arrayColumns>true</arrayColumns>
      </schema>

      Show
      A given list field can be switched to database array storage using: <schema> <field type="array">some:field</field> </schema> To automatically enable database arrays for all list fields, use: <schema> <arrayColumns>true</arrayColumns> </schema>
    • Sprint:
      Sprint 1(5.9.3)

      Description

      A performance optimization that reduces SQL join overhead would be to optionally use SQL arrays if available (PostgreSQL, maybe Oracle) to store lists of primitive types defined in schemas. See Nuxeo Answers (http://answers.nuxeo.com/questions/3126/using-bit-strings-to-optimize-storage-and-retrieval-of-integer-list-types-that-have-a-length-or-maxlength-facet) for more information.

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