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library.view.group-by-multi-value-lookup

  • Probe surface: library
  • Run: library-grouping/20260908-sandbox
  • Question: Group-by on a multi-value lookup: one row per value held, or one group per set?

machine​

  • Outcome: NOT ESTABLISHED
  • Evidence: GroupMultiLookup: the two observations do not agree on either candidate: joined label(s) [], expanded rows 4 against 4 file(s). collapsed HTTP 200 returned 5 row(s), labels ["",[{"lookupId":1,"lookupValue":"dbmlsp group target A","isSecretFieldValue":false}],[{"lookupId":1,"lookupValue":"dbmlsp group target A","isSecretFieldValue":false}],[{"lookupId":2,"lookupValue":"dbmlsp group target B","isSecretFieldValue":false}],[{"lookupId":2,"lookupValue":"dbmlsp group target , group-shaped keys ["GroupMultiLookup","GroupMultiLookup.urlencoded","GroupMultiLookup.singleurlencoded","GroupMultiLookup.COUNT.group","GroupMultiLookup.newgroup","GroupMultiLookup.groupindex"], first row {"GroupMultiLookup":"","GroupMultiLookup.urlencoded":"%3B%23%3B%23","GroupMultiLookup.singleurlencoded":"","GroupMultiLookup.COUNT.group":"1","GroupMultiLookup.newgroup":"1","GroupMultiLookup.groupindex":"1_","PreviewThumbnailsQualitySets":""}; expanded HTTP 200 returned 4 row(s) over 4 file(s), rows per file {"dbmlsp-group-a-b.txt":1,"dbmlsp-group-b.txt":1,"dbmlsp-group-c.txt":1,"dbmlsp-group-none.txt":1}

All findings