{"Entry":{"collection":"operator","key":"op-3f7c-none-line","name":"?|(none,line)","aliases":["?|","?|(none,line)"],"metadata":{"aliases":["?|","?|(none,line)"],"category":"Geometric","content_hash":"ffc4b3cb911c0746bf242a684c8cecb98eb05c6e45564db4f249667828155906","imported_at":"2026-09-30T00:40:43.468841+08:00","name":"?|(none,line)","name_zh":"","slug":"op-3f7c-none-line","summary":"vertical"}},"Definition":{"Collection":"operator","Key":"op-3f7c-none-line","SourceDatabase":"center","Version":"18","SourceTable":"pg_operator_entry","SourceKey":"op-3f7c-none-line","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"aliases":["?|","?|(none,line)"],"comparison_data":{"memberships":[],"operator":{"commutator":"","function":"line_vertical(line)","hash_join":"f","kind":"l","left_type":"none","merge_join":"f","negator":"","result_type":"bool","right_type":"line","symbol":"?|"}},"comparison_hash":"12faac600e8cb6410744cf07f92910d7da2441d94c9af50c63dbf31d77c41c6d","description":["vertical"],"facts":[{"label":"Left operand","value":"none"},{"label":"Right operand","value":"line"},{"label":"Result type","value":"bool"},{"label":"Implementing function","value":"line_vertical(line)"},{"label":"Operator kind","value":"Prefix"},{"label":"Hash join candidate","value":"no"},{"label":"Merge join candidate","value":"no"}],"manual_semantics":"Exact operand/result signature matched","memberships":[],"operator":{"commutator":"","function":"line_vertical(line)","hash_join":"f","kind":"l","left_type":"none","merge_join":"f","negator":"","result_type":"bool","right_type":"line","symbol":"?|"},"related":[{"label":"line data type","url":"/wiki/type/line/?v=18"},{"label":"bool data type","url":"/wiki/type/bool/?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":["Is line vertical?","?| lseg '[(-1,0),(1,0)]' → f"],"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":"?|(none,line) → bool","source_oid":"1615","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-3f7c-none-line","SourceDatabase":"center","Version":"18","Locale":"en","Title":"?|(none,line)","Summary":"vertical","BodyHTML":"\u003cp\u003evertical\u003c/p\u003e","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","ContentHash":"7f920751c05af8c12322fe5f8a7e5fc88883a1ca61fd7382b452b71b1e5d399d","Payload":{"description":["vertical"],"related":[{"label":"line data type","url":"/wiki/type/line/?v=18"},{"label":"bool data type","url":"/wiki/type/bool/?v=18"}],"sections":[{"paragraphs":["Is line vertical?","?| lseg '[(-1,0),(1,0)]' → f"],"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}