{"Entry":{"collection":"operator","key":"op-3c5e-point-point","name":"\u003c^(point,point)","aliases":["\u003c^","\u003c^(point,point)"],"metadata":{"aliases":["\u003c^","\u003c^(point,point)"],"category":"Geometric","content_hash":"b1a6631e2a83a56b1e9d272358f7f80c08a81e65f9862a4132bac87366a8e055","derived_content_hash":"91f681e3e5f382d8d13792acf27455b02c4ca9d392efcbb1658522a101754dda","imported_at":"2026-09-30T00:40:42.372964+08:00","name":"\u003c^(point,point)","name_zh":"","slug":"op-3c5e-point-point","summary":"deprecated, use \u003c\u003c| instead"}},"Definition":{"Collection":"operator","Key":"op-3c5e-point-point","SourceDatabase":"center","Version":"18","SourceTable":"pg_operator_entry","SourceKey":"op-3c5e-point-point","SourceRevision":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","Facts":{"aliases":["\u003c^","\u003c^(point,point)"],"comparison_data":{"memberships":[{"family":"point_ops","left_type":"point","method":"gist","operator":"\u003c^(point,point)","purpose":"search","right_type":"point","sort_family":"","strategy":"29"},{"family":"kd_point_ops","left_type":"point","method":"spgist","operator":"\u003c^(point,point)","purpose":"search","right_type":"point","sort_family":"","strategy":"29"},{"family":"quad_point_ops","left_type":"point","method":"spgist","operator":"\u003c^(point,point)","purpose":"search","right_type":"point","sort_family":"","strategy":"29"}],"operator":{"commutator":"","function":"point_below(point,point)","hash_join":"f","kind":"b","left_type":"point","merge_join":"f","negator":"","result_type":"bool","right_type":"point","symbol":"\u003c^"}},"comparison_hash":"8175170c955f6d252748056b14f4430b27d2eb817b7acf3805a481230045a7a0","description":["deprecated, use \u003c\u003c| instead"],"description_zh":"已弃用，请改用 \u003c\u003c|。","description_zh_html":"\u003cp\u003e已弃用，请改用 \u0026lt;\u0026lt;|。\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\u0026lt;^\u003c/code\u003e\u003c/dd\u003e\u003cdt\u003e实现函数\u003c/dt\u003e\u003cdd\u003e\u003ccode\u003epoint_below(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\u003e\n   目录 \u003ccode class=\"structname\"\u003epg_operator\u003c/code\u003e 存储关于操作符的信息。详见 \u003ca class=\"xref\" href=\"/zh/docs/18/sql-createoperator.html\"\u003e\u003cspan class=\"refentrytitle\"\u003eCREATE OPERATOR\u003c/span\u003e\u003c/a\u003e 和\u003ca class=\"xref\" href=\"/zh/docs/18/xoper.html\"\u003e第 36.14 节\u003c/a\u003e。\n  \u003c/p\u003e\u003cp\u003e\u003ca href=\"/zh/docs/18/catalog-pg-operator.html\"\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_below(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_below(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":"Source catalog description; 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