{"Entry":{"collection":"operator","key":"op-3f7c-point-point","name":"?|(point,point)","aliases":["?|","?|(point,point)"],"metadata":{"aliases":["?|","?|(point,point)"],"category":"Geometric","content_hash":"fc9ddab8ff96cde68a1d4d9d585a469dc73af75ab355db5926565c44a9171653","derived_content_hash":"a6d426cf483fee8aa32401da439e87a54c2c4b3d69928596c8c23c187be74ed7","imported_at":"2026-09-30T00:40:43.47543+08:00","name":"?|(point,point)","name_zh":"","slug":"op-3f7c-point-point","summary":"vertically aligned"}},"Definition":{"Collection":"operator","Key":"op-3f7c-point-point","SourceDatabase":"center","Version":"18","SourceTable":"pg_operator_entry","SourceKey":"op-3f7c-point-point","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"aliases":["?|","?|(point,point)"],"comparison_data":{"memberships":[],"operator":{"commutator":"?|(point,point)","function":"point_vert(point,point)","hash_join":"f","kind":"b","left_type":"point","merge_join":"f","negator":"","result_type":"bool","right_type":"point","symbol":"?|"}},"comparison_hash":"c5f7f16aba547e35b3abc893994bfa13d2edb42e63afb1e701e3880a40e16e3f","description":["vertically aligned"],"description_zh":"竖直对齐。","description_zh_html":"\u003cp\u003e竖直对齐。\u003c/p\u003e\u003cdl\u003e\u003cdt\u003e种类\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e符号\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003e?|\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e实现函数\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epoint_vert(point,point)\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e可用于哈希连接\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003e否\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e左操作数类型\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epoint\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e交换运算符\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003e?|(point,point)\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e可用于归并连接\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003e否\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e右操作数类型\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epoint\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e结果类型\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003ebool\u003c/code\u003e\u003c/dd\u003e\u003c/dl\u003e\u003ch3\u003e同版本中文手册节选\u003c/h3\u003e\u003cp class=\"title\"\u003e\u003cstrong\u003e表 9.36. 几何操作符\u003c/strong\u003e\u003c/p\u003e\u003cp\u003e\u003ca href=\"/zh/docs/18/functions-geometry.html#FUNCTIONS-GEOMETRY-OP-TABLE\"\u003e查看完整中文手册与上下文\u003c/a\u003e。\u003c/p\u003e\u003cp\u003e本页开头的中文说明为 PG.CENTER 对源码说明的翻译；手册节选保留对应版本中文文档原文。源码信息及手册示例不代表重新进行过运行测试。\u003c/p\u003e","facts":[{"label":"Left operand","value":"point"},{"label":"Right operand","value":"point"},{"label":"Result type","value":"bool"},{"label":"Implementing function","value":"point_vert(point,point)"},{"label":"Operator kind","value":"Binary"},{"label":"Hash join candidate","value":"no"},{"label":"Merge join candidate","value":"no"}],"facts_zh":[{"label":"左操作数","value":"point"},{"label":"右操作数","value":"point"},{"label":"返回类型","value":"bool"},{"label":"实现函数","value":"point_vert(point,point)"},{"label":"操作符种类","value":"Binary"},{"label":"可用于哈希连接","value":"否"},{"label":"可用于归并连接","value":"否"}],"manual_semantics":"Exact operand/result signature matched","memberships":[],"operator":{"commutator":"?|(point,point)","function":"point_vert(point,point)","hash_join":"f","kind":"b","left_type":"point","merge_join":"f","negator":"","result_type":"bool","right_type":"point","symbol":"?|"},"related":[{"label":"point data type","url":"/wiki/type/point/?v=18"},{"label":"bool data type","url":"/wiki/type/bool/?v=18"},{"label":"Commutator: ?|(point,point)","url":"/wiki/operator/op-3f7c-point-point/?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":["Are points vertically aligned (that is, have same x coordinate)?","point '(0,1)' ?| point '(0,0)' → t"],"title":"English manual definition"},{"paragraphs":["The catalog pg_operator stores information about operators. 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