{"Entry":{"collection":"operator","key":"op-3d-abstime-abstime","name":"=(abstime,abstime)","aliases":["=","=(abstime,abstime)"],"metadata":{"aliases":["=","=(abstime,abstime)"],"category":"Date and time","content_hash":"a881de24615748f544bbd91d8d804815bcb22992ed94b6cfea8dbd818a7029e1","imported_at":"2026-09-30T00:40:42.378897+08:00","name":"=(abstime,abstime)","name_zh":"","slug":"op-3d-abstime-abstime","summary":"equal"}},"Definition":{"Collection":"operator","Key":"op-3d-abstime-abstime","SourceDatabase":"center","Version":"11","SourceTable":"pg_operator_entry","SourceKey":"op-3d-abstime-abstime","SourceRevision":"2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0","Facts":{"aliases":["=","=(abstime,abstime)"],"comparison_data":{"memberships":[{"family":"abstime_minmax_ops","left_type":"abstime","method":"brin","operator":"=(abstime,abstime)","purpose":"search","right_type":"abstime","sort_family":"","strategy":"3"},{"family":"abstime_ops","left_type":"abstime","method":"btree","operator":"=(abstime,abstime)","purpose":"search","right_type":"abstime","sort_family":"","strategy":"3"},{"family":"abstime_ops","left_type":"abstime","method":"hash","operator":"=(abstime,abstime)","purpose":"search","right_type":"abstime","sort_family":"","strategy":"1"}],"operator":{"commutator":"=(abstime,abstime)","function":"abstimeeq(abstime,abstime)","hash_join":"t","kind":"b","left_type":"abstime","merge_join":"t","negator":"\u003c\u003e(abstime,abstime)","result_type":"bool","right_type":"abstime","symbol":"="}},"comparison_hash":"9b2ce1647f9510c32f3819070587570574767a32eca3aa980ddf58fb939bcc13","description":["equal"],"facts":[{"label":"Left operand","value":"abstime"},{"label":"Right operand","value":"abstime"},{"label":"Result type","value":"bool"},{"label":"Implementing function","value":"abstimeeq(abstime,abstime)"},{"label":"Operator kind","value":"Binary"},{"label":"Hash join candidate","value":"yes"},{"label":"Merge join candidate","value":"yes"}],"manual_semantics":"Source catalog description; no additional matching manual operator definition claimed","memberships":[{"description":"equal","family":"abstime_ops","family_slug":"family-btree-abstime_ops","left_type":"abstime","method":"btree","operator":"=(abstime,abstime)","operator_slug":"op-3d-abstime-abstime","purpose":"search","result_type":"bool","right_type":"abstime","sort_family":"","sort_family_slug":"","strategy":"3"},{"description":"equal","family":"abstime_ops","family_slug":"family-hash-abstime_ops","left_type":"abstime","method":"hash","operator":"=(abstime,abstime)","operator_slug":"op-3d-abstime-abstime","purpose":"search","result_type":"bool","right_type":"abstime","sort_family":"","sort_family_slug":"","strategy":"1"},{"description":"equal","family":"abstime_minmax_ops","family_slug":"family-brin-abstime_minmax_ops","left_type":"abstime","method":"brin","operator":"=(abstime,abstime)","operator_slug":"op-3d-abstime-abstime","purpose":"search","result_type":"bool","right_type":"abstime","sort_family":"","sort_family_slug":"","strategy":"3"}],"operator":{"commutator":"=(abstime,abstime)","function":"abstimeeq(abstime,abstime)","hash_join":"t","kind":"b","left_type":"abstime","merge_join":"t","negator":"\u003c\u003e(abstime,abstime)","result_type":"bool","right_type":"abstime","symbol":"="},"related":[{"label":"abstime data type","url":"/wiki/type/abstime/?v=11"},{"label":"bool data type","url":"/wiki/type/bool/?v=11"},{"label":"Commutator: =(abstime,abstime)","url":"/wiki/operator/op-3d-abstime-abstime/?v=11"},{"label":"Negator: \u003c\u003e(abstime,abstime)","url":"/wiki/operator/op-3c3e-abstime-abstime/?v=11"},{"label":"btree/abstime_ops family","url":"/wiki/opclass/family-btree-abstime_ops/?v=11"},{"label":"hash/abstime_ops family","url":"/wiki/opclass/family-hash-abstime_ops/?v=11"},{"label":"brin/abstime_minmax_ops family","url":"/wiki/opclass/family-brin-abstime_minmax_ops/?v=11"}],"release":{"catalog_fingerprint":"4f08eb8c7ac7d09abfbb29a172148a44b8fb72026616bb55a5f8f84db7a38785","channel":"historical","label":"11.22","major":"11","manual_fingerprint":"99c9e45d34555f000789cb4e019492e838041c1f2f31d840f3051ff9d7ed9118","ref":"https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2","revision":"2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0","source_sha256":"2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"},"sections":[{"paragraphs":["The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.13 for more information.","Unused columns contain zeroes. For example, oprleft is zero for a prefix operator."],"title":"Catalog interpretation"}],"signature":"=(abstime,abstime) → bool","source_oid":"560","sources":[{"label":"Matching PostgreSQL source archive","sha256":"2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0","url":"https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2"},{"label":"PostgreSQL 11 English manual: catalog-pg-operator.html","path":"catalog-pg-operator.html","sha256":"3de94bb7f17052a69cf35056c95cac18bf74de96ea2c7b243165f1eeb6a3d587","url":"/docs/11/catalog-pg-operator.html"},{"label":"PostgreSQL 11 English manual: catalog-pg-amop.html","path":"catalog-pg-amop.html","sha256":"c17d050a6f2d093de2c343242bcc4d446b936de1d2902727d3fa3b0697b44fd3","url":"/docs/11/catalog-pg-amop.html"}],"tables":[{"columns":[{"key":"method","label":"Index AM"},{"key":"family","label":"Family"},{"key":"strategy","label":"Strategy"},{"key":"purpose","label":"Purpose"},{"key":"sort_family","label":"Ordering family"}],"key":"memberships","rows":[{"family":{"text":"abstime_ops","url":"/wiki/opclass/family-btree-abstime_ops/?v=11"},"method":{"text":"B-tree","url":"/wiki/indexam/btree/?v=11"},"purpose":"search","sort_family":"","strategy":"3"},{"family":{"text":"abstime_ops","url":"/wiki/opclass/family-hash-abstime_ops/?v=11"},"method":{"text":"Hash","url":"/wiki/indexam/hash/?v=11"},"purpose":"search","sort_family":"","strategy":"1"},{"family":{"text":"abstime_minmax_ops","url":"/wiki/opclass/family-brin-abstime_minmax_ops/?v=11"},"method":{"text":"BRIN","url":"/wiki/indexam/brin/?v=11"},"purpose":"search","sort_family":"","strategy":"3"}],"title":"Declared operator-family membership"}]},"ManualEvidence":{"release":{"catalog_fingerprint":"4f08eb8c7ac7d09abfbb29a172148a44b8fb72026616bb55a5f8f84db7a38785","channel":"historical","label":"11.22","major":"11","manual_fingerprint":"99c9e45d34555f000789cb4e019492e838041c1f2f31d840f3051ff9d7ed9118","ref":"https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2","revision":"2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0","source_sha256":"2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"},"sources":[{"label":"Matching PostgreSQL source archive","sha256":"2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0","url":"https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2"},{"label":"PostgreSQL 11 English manual: catalog-pg-operator.html","path":"catalog-pg-operator.html","sha256":"3de94bb7f17052a69cf35056c95cac18bf74de96ea2c7b243165f1eeb6a3d587","url":"/docs/11/catalog-pg-operator.html"},{"label":"PostgreSQL 11 English manual: catalog-pg-amop.html","path":"catalog-pg-amop.html","sha256":"c17d050a6f2d093de2c343242bcc4d446b936de1d2902727d3fa3b0697b44fd3","url":"/docs/11/catalog-pg-amop.html"}]},"MeasuredEvidence":{}},"Text":{"Collection":"operator","Key":"op-3d-abstime-abstime","SourceDatabase":"center","Version":"11","Locale":"en","Title":"=(abstime,abstime)","Summary":"equal","BodyHTML":"\u003cp\u003eequal\u003c/p\u003e","SourceRevision":"2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0","ContentHash":"41b0d9e2273fc98cfa103353dbe5bd83d8e7ee7c797edafc67ab142569fa9b73","Payload":{"description":["equal"],"related":[{"label":"abstime data type","url":"/wiki/type/abstime/?v=11"},{"label":"bool data type","url":"/wiki/type/bool/?v=11"},{"label":"Commutator: =(abstime,abstime)","url":"/wiki/operator/op-3d-abstime-abstime/?v=11"},{"label":"Negator: \u003c\u003e(abstime,abstime)","url":"/wiki/operator/op-3c3e-abstime-abstime/?v=11"},{"label":"btree/abstime_ops family","url":"/wiki/opclass/family-btree-abstime_ops/?v=11"},{"label":"hash/abstime_ops family","url":"/wiki/opclass/family-hash-abstime_ops/?v=11"},{"label":"brin/abstime_minmax_ops family","url":"/wiki/opclass/family-brin-abstime_minmax_ops/?v=11"}],"sections":[{"paragraphs":["The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.13 for more information.","Unused columns contain zeroes. For example, oprleft is zero for a prefix operator."],"title":"Catalog interpretation"}],"tables":[{"columns":[{"key":"method","label":"Index AM"},{"key":"family","label":"Family"},{"key":"strategy","label":"Strategy"},{"key":"purpose","label":"Purpose"},{"key":"sort_family","label":"Ordering family"}],"key":"memberships","rows":[{"family":{"text":"abstime_ops","url":"/wiki/opclass/family-btree-abstime_ops/?v=11"},"method":{"text":"B-tree","url":"/wiki/indexam/btree/?v=11"},"purpose":"search","sort_family":"","strategy":"3"},{"family":{"text":"abstime_ops","url":"/wiki/opclass/family-hash-abstime_ops/?v=11"},"method":{"text":"Hash","url":"/wiki/indexam/hash/?v=11"},"purpose":"search","sort_family":"","strategy":"1"},{"family":{"text":"abstime_minmax_ops","url":"/wiki/opclass/family-brin-abstime_minmax_ops/?v=11"},"method":{"text":"BRIN","url":"/wiki/indexam/brin/?v=11"},"purpose":"search","sort_family":"","strategy":"3"}],"title":"Declared operator-family membership"}]}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["10","11"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}
