{"Entry":{"collection":"operator","key":"op-2b-float4-float4","name":"+(float4,float4)","aliases":["+","+(float4,float4)"],"metadata":{"aliases":["+","+(float4,float4)"],"category":"Numeric","content_hash":"4fea8badf6db0a6071564e04cecaf9d027004cb667f923533c0618cf508f4d4b","imported_at":"2026-09-30T00:40:40.718067+08:00","name":"+(float4,float4)","name_zh":"","slug":"op-2b-float4-float4","summary":"add"}},"Definition":{"Collection":"operator","Key":"op-2b-float4-float4","SourceDatabase":"center","Version":"18","SourceTable":"pg_operator_entry","SourceKey":"op-2b-float4-float4","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"aliases":["+","+(float4,float4)"],"comparison_data":{"memberships":[],"operator":{"commutator":"+(float4,float4)","function":"float4pl(float4,float4)","hash_join":"f","kind":"b","left_type":"float4","merge_join":"f","negator":"","result_type":"float4","right_type":"float4","symbol":"+"}},"comparison_hash":"3b163207de5cf91ce409be9f9a09b7f9818b3481a1c41afcc2a3b4e13f5ac063","description":["add"],"facts":[{"label":"Left operand","value":"float4"},{"label":"Right operand","value":"float4"},{"label":"Result type","value":"float4"},{"label":"Implementing function","value":"float4pl(float4,float4)"},{"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":[],"operator":{"commutator":"+(float4,float4)","function":"float4pl(float4,float4)","hash_join":"f","kind":"b","left_type":"float4","merge_join":"f","negator":"","result_type":"float4","right_type":"float4","symbol":"+"},"related":[{"label":"float4 data type","url":"/wiki/type/float4/?v=18"},{"label":"Commutator: +(float4,float4)","url":"/wiki/operator/op-2b-float4-float4/?v=18"}],"release":{"catalog_fingerprint":"deec62e0f0c649d9d0d058ddd0b16bf41afffd569c3fd73949ff0971ce5cabd6","channel":"stable","label":"18.6","major":"18","manual_fingerprint":"fefce9e478eb2afe5e17e869492bbedc67dce23d317f0a5257240113d6496ebc","ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","source_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sections":[{"paragraphs":["The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."],"title":"Catalog interpretation"}],"signature":"+(float4,float4) → float4","source_oid":"586","sources":[{"label":"Matching PostgreSQL source archive","sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","url":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2"},{"label":"PostgreSQL 18 English manual: catalog-pg-operator.html","path":"catalog-pg-operator.html","sha256":"e0b1817914e5e8f9037955cd41e9a43584e9227fcc115784898ecdd9a6c0ecd6","url":"/docs/18/catalog-pg-operator.html"},{"label":"PostgreSQL 18 English manual: catalog-pg-amop.html","path":"catalog-pg-amop.html","sha256":"e65b90ee78eaf4b4da97ce5b08b972cee2e2660b882ec107be22eca47201f7d1","url":"/docs/18/catalog-pg-amop.html"}],"tables":[]},"ManualEvidence":{"release":{"catalog_fingerprint":"deec62e0f0c649d9d0d058ddd0b16bf41afffd569c3fd73949ff0971ce5cabd6","channel":"stable","label":"18.6","major":"18","manual_fingerprint":"fefce9e478eb2afe5e17e869492bbedc67dce23d317f0a5257240113d6496ebc","ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","source_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sources":[{"label":"Matching PostgreSQL source archive","sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","url":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2"},{"label":"PostgreSQL 18 English manual: catalog-pg-operator.html","path":"catalog-pg-operator.html","sha256":"e0b1817914e5e8f9037955cd41e9a43584e9227fcc115784898ecdd9a6c0ecd6","url":"/docs/18/catalog-pg-operator.html"},{"label":"PostgreSQL 18 English manual: catalog-pg-amop.html","path":"catalog-pg-amop.html","sha256":"e65b90ee78eaf4b4da97ce5b08b972cee2e2660b882ec107be22eca47201f7d1","url":"/docs/18/catalog-pg-amop.html"}]},"MeasuredEvidence":{}},"Text":{"Collection":"operator","Key":"op-2b-float4-float4","SourceDatabase":"center","Version":"18","Locale":"en","Title":"+(float4,float4)","Summary":"add","BodyHTML":"\u003cp\u003eadd\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"1623a19dd5972d027e7a3de04950ee572506fcbcac92625f599a8874da65fdc7","Payload":{"description":["add"],"related":[{"label":"float4 data type","url":"/wiki/type/float4/?v=18"},{"label":"Commutator: +(float4,float4)","url":"/wiki/operator/op-2b-float4-float4/?v=18"}],"sections":[{"paragraphs":["The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."],"title":"Catalog interpretation"}],"tables":[]}},"RequestedLocale":"zh-Hans","Fallback":true,"Versions":["10","11","12","13","14","15","16","17","18","19","20"],"Locales":["en"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}