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docs: Document collections NULL handling and add disjunction, subtract, duplicates#1694

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docs: Document collections NULL handling and add disjunction, subtract, duplicates#1694
imilinovic wants to merge 4 commits into
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docs/coll-disjunction-subtract-duplicates

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@imilinovic imilinovic commented Jul 20, 2026

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Release note

Reworked the collections reference page for the compatibility-layer work:

  • Documented NULL-argument and NULL-element handling for the collections.* functions and procedures, including a per-function result matrix.
  • Documented three new functions — collections.disjunction, collections.subtract, and collections.duplicates — with syntax and examples, and included them in the NULL-handling matrix.
  • Made the compatibility mapping consistent: added the "equivalent to apoc.coll.*" callout to the functions that were missing it, and completed the compatibility table so every collections function lists its apoc.coll.* equivalent.

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  • Add appropriate milestone (current release cycle)
  • Add bugfix or feature label, based on the product PR type you're documenting
  • Make sure all relevant tech details are documented
  • Check all content with Grammarly
  • Perform a self-review of my code
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  • My changes generate no new warnings or errors

@imilinovic imilinovic added this to the 3.13 milestone Jul 20, 2026
@imilinovic imilinovic added the feature Documentation related to a new product feature of feature update label Jul 20, 2026
@imilinovic imilinovic self-assigned this Jul 20, 2026
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…ark their equivalents

Add the compatibility-table rows for the collections functions that were
missing (including disjunction, subtract, duplicates) and add the
equivalence callout to the function pages that lacked one, so every
collections function consistently states its compatibility mapping.
@imilinovic
imilinovic force-pushed the docs/coll-disjunction-subtract-duplicates branch from dfc4c7a to 5e233a5 Compare July 20, 2026 15:23
@imilinovic imilinovic changed the title docs: Add collections.disjunction, collections.subtract, collections.duplicates docs: Document collections NULL handling and add disjunction, subtract, duplicates Jul 20, 2026
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