{"Entry":{"collection":"func","key":"last-value","name":"last_value","aliases":[],"metadata":{"changed_in":["19"],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"8.3","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"8.4"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"},{"descriptions_changed":false,"doc_overhaul":false,"from":"18","group_changed":null,"signatures":{"added":["last_value ( value anyelement ) [ null treatment ] → anyelement"],"removed":["last_value ( value anyelement ) → anyelement"]},"status":"changed","to":"19"}],"content_hash":"ac9ea617cce09eda0f2e62034f4df4d46281c5e1bb269042b4b7d2ce3d9d48b2","first_version":"8.4","group":"window","group_label":"Window Functions","groups":["window"],"imported_at":"2026-09-27T17:57:28.995023+08:00","last_version":"20","name":"last_value","name_key":"last_value","position":22002,"present_in":["8.4","9.0","9.1","9.2","9.3","9.4","9.5","9.6","10","11","12","13","14","15","16","17","18","19","20"],"signature":"last_value ( value anyelement ) [ null treatment ] → anyelement","signature_count":1,"slug":"last-value","source_rev":"b7bd9cda","summary":"Returns value evaluated at the row that is the last row of the window frame.","summary_zh":""}},"Definition":{"Collection":"func","Key":"last-value","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"last-value","SourceRevision":"b7bd9cda","Facts":{"description":"Returns value evaluated at the row that is the last row of the window frame.","description_html":"Returns \u003cem class=\"parameter\"\u003e\u003ccode\u003evalue\u003c/code\u003e\u003c/em\u003e evaluated at the row that is the last row of the window frame.","description_zh":"","description_zh_html":"","doc":{"anchor":"FUNCTIONS-WINDOW-TABLE","file":"functions-window.html","slug":"18"},"group":"window","group_label":"Window Functions","lang":"en","layout":"table-new","pages":["functions-window.html"],"prose_only":false,"signatures":[{"description":"Returns value evaluated at the row that is the last row of the window frame.","description_html":"Returns \u003cem class=\"parameter\"\u003e\u003ccode\u003evalue\u003c/code\u003e\u003c/em\u003e evaluated at the row that is the last row of the window frame.","description_zh":"","description_zh_html":"","examples":[],"html":"\u003ccode class=\"function\"\u003elast_value\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003evalue\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eanyelement\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003eanyelement\u003c/code\u003e","returns":"anyelement","text":"last_value ( value anyelement ) → anyelement","zh_from":""}],"zh_from":""},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-WINDOW-TABLE","file":"functions-window.html","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"last-value","SourceDatabase":"pgweb","Version":"18","Locale":"zh-Hans","Title":"last_value","Summary":"返回在窗口帧的最后一行求得的value。","BodyHTML":"返回在窗口帧的最后一行求得的\u003cem\u003e\u003ccode\u003evalue\u003c/code\u003e\u003c/em\u003e。\u003cpre\u003elast_value ( value anyelement ) → anyelement\u003c/pre\u003e返回在窗口帧的最后一行求得的\u003cem\u003e\u003ccode\u003evalue\u003c/code\u003e\u003c/em\u003e。","SourceRevision":"1b5ca64c","ContentHash":"0e0ab385803dddb25ba63c476d19f9a6a537707b281c09fa8c33443002fd9e4e","Payload":{"description_zh":"返回在窗口帧的最后一行求得的value。","description_zh_html":"返回在窗口帧的最后一行求得的\u003cem class=\"parameter\"\u003e\u003ccode\u003evalue\u003c/code\u003e\u003c/em\u003e。","signatures":[{"description_zh":"返回在窗口帧的最后一行求得的value。","description_zh_html":"返回在窗口帧的最后一行求得的\u003cem class=\"parameter\"\u003e\u003ccode\u003evalue\u003c/code\u003e\u003c/em\u003e。","returns":"anyelement","text":"last_value ( value anyelement ) → anyelement","zh_from":"doc"}],"zh_from":"doc"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20","8.4","9.0","9.1","9.2","9.3","9.4","9.5","9.6"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"c82cae1bc41e021c474d3844315b3681f79acd84da216af737884153f24d3578","Text":"last_value ( value anyelement ) → anyelement","Returns":"anyelement","Payload":{"description":"Returns value evaluated at the row that is the last row of the window frame.","description_html":"Returns \u003cem class=\"parameter\"\u003e\u003ccode\u003evalue\u003c/code\u003e\u003c/em\u003e evaluated at the row that is the last row of the window frame.","description_zh":"","description_zh_html":"","examples":[],"html":"\u003ccode class=\"function\"\u003elast_value\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003evalue\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eanyelement\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003eanyelement\u003c/code\u003e","returns":"anyelement","text":"last_value ( value anyelement ) → anyelement","zh_from":""}}],"Spellings":null,"SQLState":null,"Evidence":null}