{"Entry":{"collection":"operator","key":"op-2a-int4-int8","name":"*(int4,int8)","aliases":["*","*(int4,int8)"],"metadata":{"aliases":["*","*(int4,int8)"],"category":"Numeric","content_hash":"780c214d75a10375d8c89ad5cf9d297f62d425bfb438b0fe5af9e3c37421ab92","imported_at":"2026-09-30T00:40:40.619892+08:00","name":"*(int4,int8)","name_zh":"","slug":"op-2a-int4-int8","summary":"multiply"}},"Definition":{"Collection":"operator","Key":"op-2a-int4-int8","SourceDatabase":"center","Version":"18","SourceTable":"pg_operator_entry","SourceKey":"op-2a-int4-int8","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"aliases":["*","*(int4,int8)"],"comparison_data":{"memberships":[],"operator":{"commutator":"*(int8,int4)","function":"int48mul(int4,int8)","hash_join":"f","kind":"b","left_type":"int4","merge_join":"f","negator":"","result_type":"int8","right_type":"int8","symbol":"*"}},"comparison_hash":"8dc860b3d3e23a4a125a3e1bb14bd3e92ad4f8d9d453c07fd05bf272e031c98a","description":["multiply"],"facts":[{"label":"Left operand","value":"int4"},{"label":"Right operand","value":"int8"},{"label":"Result type","value":"int8"},{"label":"Implementing function","value":"int48mul(int4,int8)"},{"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":"*(int8,int4)","function":"int48mul(int4,int8)","hash_join":"f","kind":"b","left_type":"int4","merge_join":"f","negator":"","result_type":"int8","right_type":"int8","symbol":"*"},"related":[{"label":"int4 data type","url":"/wiki/type/int4/?v=18"},{"label":"int8 data type","url":"/wiki/type/int8/?v=18"},{"label":"Commutator: *(int8,int4)","url":"/wiki/operator/op-2a-int8-int4/?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":"*(int4,int8) → int8","source_oid":"694","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-2a-int4-int8","SourceDatabase":"center","Version":"18","Locale":"en","Title":"*(int4,int8)","Summary":"multiply","BodyHTML":"\u003cp\u003emultiply\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"8ff518ef48288b1f434cae469008191d3d5956dd551d5459c8bb89fc2fb8cbd9","Payload":{"description":["multiply"],"related":[{"label":"int4 data type","url":"/wiki/type/int4/?v=18"},{"label":"int8 data type","url":"/wiki/type/int8/?v=18"},{"label":"Commutator: *(int8,int4)","url":"/wiki/operator/op-2a-int8-int4/?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}