{"Entry":{"collection":"operator","key":"op-3c3d-reltime-reltime","name":"\u003c=(reltime,reltime)","aliases":["\u003c=","\u003c=(reltime,reltime)"],"metadata":{"aliases":["\u003c=","\u003c=(reltime,reltime)"],"category":"Date and time","content_hash":"d2367b4ed1291e136c50645256e5052a90c519c62b86f979631a1c34efc555e3","imported_at":"2026-09-30T00:40:41.943927+08:00","name":"\u003c=(reltime,reltime)","name_zh":"","slug":"op-3c3d-reltime-reltime","summary":"less than or equal"}},"Definition":{"Collection":"operator","Key":"op-3c3d-reltime-reltime","SourceDatabase":"center","Version":"11","SourceTable":"pg_operator_entry","SourceKey":"op-3c3d-reltime-reltime","SourceRevision":"2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0","Facts":{"aliases":["\u003c=","\u003c=(reltime,reltime)"],"comparison_data":{"memberships":[{"family":"reltime_minmax_ops","left_type":"reltime","method":"brin","operator":"\u003c=(reltime,reltime)","purpose":"search","right_type":"reltime","sort_family":"","strategy":"2"},{"family":"reltime_ops","left_type":"reltime","method":"btree","operator":"\u003c=(reltime,reltime)","purpose":"search","right_type":"reltime","sort_family":"","strategy":"2"}],"operator":{"commutator":"\u003e=(reltime,reltime)","function":"reltimele(reltime,reltime)","hash_join":"f","kind":"b","left_type":"reltime","merge_join":"f","negator":"\u003e(reltime,reltime)","result_type":"bool","right_type":"reltime","symbol":"\u003c="}},"comparison_hash":"99e06e11f0aeb12beda9fdc0ee2942ebf54c2652735d924105367bd4b6dc471b","description":["less than or equal"],"facts":[{"label":"Left operand","value":"reltime"},{"label":"Right operand","value":"reltime"},{"label":"Result type","value":"bool"},{"label":"Implementing function","value":"reltimele(reltime,reltime)"},{"label":"Operator kind","value":"Binary"},{"label":"Hash join candidate","value":"no"},{"label":"Merge join candidate","value":"no"}],"manual_semantics":"Source catalog description; no additional matching manual operator definition claimed","memberships":[{"description":"less than or equal","family":"reltime_ops","family_slug":"family-btree-reltime_ops","left_type":"reltime","method":"btree","operator":"\u003c=(reltime,reltime)","operator_slug":"op-3c3d-reltime-reltime","purpose":"search","result_type":"bool","right_type":"reltime","sort_family":"","sort_family_slug":"","strategy":"2"},{"description":"less than or equal","family":"reltime_minmax_ops","family_slug":"family-brin-reltime_minmax_ops","left_type":"reltime","method":"brin","operator":"\u003c=(reltime,reltime)","operator_slug":"op-3c3d-reltime-reltime","purpose":"search","result_type":"bool","right_type":"reltime","sort_family":"","sort_family_slug":"","strategy":"2"}],"operator":{"commutator":"\u003e=(reltime,reltime)","function":"reltimele(reltime,reltime)","hash_join":"f","kind":"b","left_type":"reltime","merge_join":"f","negator":"\u003e(reltime,reltime)","result_type":"bool","right_type":"reltime","symbol":"\u003c="},"related":[{"label":"reltime data type","url":"/wiki/type/reltime/?v=11"},{"label":"bool data type","url":"/wiki/type/bool/?v=11"},{"label":"Commutator: \u003e=(reltime,reltime)","url":"/wiki/operator/op-3e3d-reltime-reltime/?v=11"},{"label":"Negator: \u003e(reltime,reltime)","url":"/wiki/operator/op-3e-reltime-reltime/?v=11"},{"label":"btree/reltime_ops family","url":"/wiki/opclass/family-btree-reltime_ops/?v=11"},{"label":"brin/reltime_minmax_ops family","url":"/wiki/opclass/family-brin-reltime_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":"\u003c=(reltime,reltime) → bool","source_oid":"570","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":"reltime_ops","url":"/wiki/opclass/family-btree-reltime_ops/?v=11"},"method":{"text":"B-tree","url":"/wiki/indexam/btree/?v=11"},"purpose":"search","sort_family":"","strategy":"2"},{"family":{"text":"reltime_minmax_ops","url":"/wiki/opclass/family-brin-reltime_minmax_ops/?v=11"},"method":{"text":"BRIN","url":"/wiki/indexam/brin/?v=11"},"purpose":"search","sort_family":"","strategy":"2"}],"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-3c3d-reltime-reltime","SourceDatabase":"center","Version":"11","Locale":"en","Title":"\u003c=(reltime,reltime)","Summary":"less than or equal","BodyHTML":"\u003cp\u003eless than or equal\u003c/p\u003e","SourceRevision":"2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0","ContentHash":"fd75602a386b45bce2460174fa63b2b9a03fdf21eb9b2964d6ebebb19e31c902","Payload":{"description":["less than or equal"],"related":[{"label":"reltime data type","url":"/wiki/type/reltime/?v=11"},{"label":"bool data type","url":"/wiki/type/bool/?v=11"},{"label":"Commutator: \u003e=(reltime,reltime)","url":"/wiki/operator/op-3e3d-reltime-reltime/?v=11"},{"label":"Negator: \u003e(reltime,reltime)","url":"/wiki/operator/op-3e-reltime-reltime/?v=11"},{"label":"btree/reltime_ops family","url":"/wiki/opclass/family-btree-reltime_ops/?v=11"},{"label":"brin/reltime_minmax_ops family","url":"/wiki/opclass/family-brin-reltime_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":"reltime_ops","url":"/wiki/opclass/family-btree-reltime_ops/?v=11"},"method":{"text":"B-tree","url":"/wiki/indexam/btree/?v=11"},"purpose":"search","sort_family":"","strategy":"2"},{"family":{"text":"reltime_minmax_ops","url":"/wiki/opclass/family-brin-reltime_minmax_ops/?v=11"},"method":{"text":"BRIN","url":"/wiki/indexam/brin/?v=11"},"purpose":"search","sort_family":"","strategy":"2"}],"title":"Declared operator-family membership"}]}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["10","11"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}