Page Comparison

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• Configurability - The solution should allow disabling/enabling indexing by a feature flag.

• Maintainability - The solution should allow changes for different callnumber call number types, searching for prefixes/suffixes, etc.

• Performance - The solution should not impact reindexing time significantly.

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• In mod-search PostgreSQL DB

  • create tables for call numbers

    • The following fields should be present in the table callnumber table:

      • callnumber_id

      • effective_callnumber_components - set of components for a callnumbercall number

        • callnumber

        • prefix

        • suffix

        • callnumber_type_id

      • volume

      • enumeration

      • chronology

      • copynumber

    • The following fields should be present in the table callnumber_instances table:

      • callnumber_id

      • item_id

      • instance_id

      • shared

      • tenant_id

      • location_id

  • on create/update/delete events for items create a new procedure that would extract call numbers from items

• Adjust the Reindexing procedure and Ongoing domain events consuming for items

• Create a separate index for call numbers

• Refactor browse queries to use search_after search_before queries

• The titles for the browse option can be queried on the fly either from the instances table or the instances search index

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Holding-level Call Numbers

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