{"Entry":{"collection":"func","key":"ts-rank-cd","name":"ts_rank_cd","aliases":[],"metadata":{"changed_in":[],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"8.2","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"8.3"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"}],"content_hash":"59b5cf50eaae934bc9667c90cbb38c2a5b0e7f6723cf6b873cafd00177ea0af0","derived_content_hash":"7bee05c9d835f30bfb0951a2ad31b272de8fa2f6bd9dd1229d1cbb0b2203ec9d","documentation_refresh":{"batch":"20261113","original_source_rev":"wiki-repair-20261023:c0e4589b113df08dc1f380183366125a6d7e651f977e5981e3f87481ad9316f6","versions":{"14":"14.25","15":"15.20","16":"16.16","17":"17.12","18":"18.7","19":"19rc2"}},"first_version":"8.3","group":"textsearch","group_label":"Text Search Functions And Operators","groups":["textsearch"],"imported_at":"2026-09-27T17:57:28.732331+08:00","last_version":"20","name":"ts_rank_cd","name_key":"ts_rank_cd","position":12019,"present_in":["8.3","8.4","9.0","9.1","9.2","9.3","9.4","9.5","9.6","10","11","12","13","14","15","16","17","18","19","20"],"repair_provenance":{"original_source_revision":"wiki-repair-20261023:9fe84a5d2dae42d5117e38d809572500a87bafe364f81fdd60f5a9f5fbb30022","receipt_sha256":"44c5c0f6896030059923c30f82d29490ea45866299048416bcf772ed49b5ff89","repair":"wiki-repair-20261023"},"signature":"ts_rank_cd ( [ weights real[], ] vector tsvector, query tsquery [, normalization integer ] ) → real","signature_count":1,"slug":"ts-rank-cd","source_rev":"wiki-repair-20261023:c0e4589b113df08dc1f380183366125a6d7e651f977e5981e3f87481ad9316f6","summary":"Computes a score showing how well the vector matches the query, using a cover density algorithm.","summary_zh":""}},"Definition":{"Collection":"func","Key":"ts-rank-cd","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"ts-rank-cd","SourceRevision":"wiki-repair-20261023:c0e4589b113df08dc1f380183366125a6d7e651f977e5981e3f87481ad9316f6","Facts":{"description":"Computes a score showing how well the vector matches the query, using a cover density algorithm. 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