{"Entry":{"collection":"operator","key":"op-23-box-box","name":"#(box,box)","aliases":["#","#(box,box)"],"metadata":{"aliases":["#","#(box,box)"],"category":"Geometric","content_hash":"64bc26ea652a6dd7db01ceabccae9eeb2e97b9b5ea5a15fec6d6f6213ed39c6f","imported_at":"2026-09-30T00:40:40.356819+08:00","name":"#(box,box)","name_zh":"","slug":"op-23-box-box","summary":"box intersection"}},"Definition":{"Collection":"operator","Key":"op-23-box-box","SourceDatabase":"center","Version":"18","SourceTable":"pg_operator_entry","SourceKey":"op-23-box-box","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"aliases":["#","#(box,box)"],"comparison_data":{"memberships":[],"operator":{"commutator":"","function":"box_intersect(box,box)","hash_join":"f","kind":"b","left_type":"box","merge_join":"f","negator":"","result_type":"box","right_type":"box","symbol":"#"}},"comparison_hash":"6c8a07fb0658147b766ee671fdfbab89691551a20cff46f5e37b751537176b12","description":["box intersection"],"facts":[{"label":"Left operand","value":"box"},{"label":"Right operand","value":"box"},{"label":"Result type","value":"box"},{"label":"Implementing function","value":"box_intersect(box,box)"},{"label":"Operator kind","value":"Binary"},{"label":"Hash join candidate","value":"no"},{"label":"Merge join candidate","value":"no"}],"manual_semantics":"Exact operand/result signature matched","memberships":[],"operator":{"commutator":"","function":"box_intersect(box,box)","hash_join":"f","kind":"b","left_type":"box","merge_join":"f","negator":"","result_type":"box","right_type":"box","symbol":"#"},"related":[{"label":"box data type","url":"/wiki/type/box/?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":["Computes the intersection of two boxes, or NULL if there is none.","box '(2,2),(-1,-1)' # box '(1,1),(-2,-2)' → (1,1),(-1,-1)"],"title":"English manual definition"},{"paragraphs":["The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."],"title":"Catalog interpretation"}],"signature":"#(box,box) → box","source_oid":"803","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"},{"label":"PostgreSQL 18 English manual: functions-geometry.html","path":"functions-geometry.html","sha256":"d1bcc71161ed186e8d1b1e69f8a2a174429c86153e0d038d3e2958dceddf2049","url":"/docs/18/functions-geometry.html#FUNCTIONS-GEOMETRY-OP-TABLE"}],"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"},{"label":"PostgreSQL 18 English manual: functions-geometry.html","path":"functions-geometry.html","sha256":"d1bcc71161ed186e8d1b1e69f8a2a174429c86153e0d038d3e2958dceddf2049","url":"/docs/18/functions-geometry.html#FUNCTIONS-GEOMETRY-OP-TABLE"}]},"MeasuredEvidence":{}},"Text":{"Collection":"operator","Key":"op-23-box-box","SourceDatabase":"center","Version":"18","Locale":"en","Title":"#(box,box)","Summary":"box intersection","BodyHTML":"\u003cp\u003ebox intersection\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"4731c1f7f90b5eea022d49201dee8382f6e439a10cafa6f75ad6925fd858e99c","Payload":{"description":["box intersection"],"related":[{"label":"box data type","url":"/wiki/type/box/?v=18"}],"sections":[{"paragraphs":["Computes the intersection of two boxes, or NULL if there is none.","box '(2,2),(-1,-1)' # box '(1,1),(-2,-2)' → (1,1),(-1,-1)"],"title":"English manual definition"},{"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}