{"Entry":{"collection":"func","key":"ts-headline","name":"ts_headline","aliases":[],"metadata":{"changed_in":["10"],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"8.2","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"8.3"},{"descriptions_changed":false,"doc_overhaul":false,"from":"9.6","group_changed":null,"signatures":{"added":["ts_headline ( [ config regconfig, ] document json(b), query tsquery [, options text ] ) → text"],"removed":[]},"status":"changed","to":"10"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"}],"content_hash":"11284c2c5a54edf3b2c0f6fae250e57f90a1d9983547a361a742fa5e0d0f3fc5","first_version":"8.3","group":"textsearch","group_label":"Text Search Functions And Operators","groups":["textsearch"],"imported_at":"2026-09-27T17:57:28.720264+08:00","last_version":"20","name":"ts_headline","name_key":"ts_headline","position":12015,"present_in":["8.3","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":"ts_headline ( [ config regconfig, ] document text, query tsquery [, options text ] ) → text","signature_count":3,"slug":"ts-headline","source_rev":"b7bd9cda","summary":"Displays, in an abbreviated form, the match(es) for the query in the document, which must be raw text not a tsvector.","summary_zh":""}},"Definition":{"Collection":"func","Key":"ts-headline","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"ts-headline","SourceRevision":"b7bd9cda","Facts":{"description":"Displays, in an abbreviated form, the match(es) for the query in the document, which must be raw text not a tsvector. 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Use of this function is discussed in \u003ca href=\"/docs/18/textsearch-controls.html#TEXTSEARCH-HEADLINE\" title=\"12.3.4. Highlighting Results\"\u003eSection 12.3.4\u003c/a\u003e, which also describes the available \u003cem class=\"parameter\"\u003e\u003ccode\u003eoptions\u003c/code\u003e\u003c/em\u003e.","description_zh":"","description_zh_html":"","doc":{"anchor":"TEXTSEARCH-FUNCTIONS-TABLE","file":"functions-textsearch.html","slug":"18"},"group":"textsearch","group_label":"Text Search Functions And Operators","lang":"en","layout":"table-new","pages":["functions-textsearch.html"],"prose_only":false,"signatures":[{"description":"Displays, in an abbreviated form, the match(es) for the query in the document, which must be raw text not a tsvector. Words in the document are normalized according to the specified or default configuration before matching to the query. 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Use of this function is discussed in \u003ca href=\"/docs/18/textsearch-controls.html#TEXTSEARCH-HEADLINE\" title=\"12.3.4. Highlighting Results\"\u003eSection 12.3.4\u003c/a\u003e, which also describes the available \u003cem class=\"parameter\"\u003e\u003ccode\u003eoptions\u003c/code\u003e\u003c/em\u003e.","description_zh":"","description_zh_html":"","examples":[{"expr":"ts_headline('The fat cat ate the rat.', 'cat')","result":"The fat \u003cb\u003ecat\u003c/b\u003e ate the rat"}],"html":"\u003ccode class=\"function\"\u003ets_headline\u003c/code\u003e ( [ \u003cspan class=\"optional\"\u003e\u003cem class=\"parameter\"\u003e\u003ccode\u003econfig\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eregconfig\u003c/code\u003e,\u003c/span\u003e ] \u003cem class=\"parameter\"\u003e\u003ccode\u003edocument\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etext\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003equery\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etsquery\u003c/code\u003e [\u003cspan class=\"optional\"\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eoptions\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etext\u003c/code\u003e\u003c/span\u003e ] ) → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"ts_headline ( [ config regconfig, ] document text, query tsquery [, options text ] ) → text","zh_from":""},{"description":"Displays, in an abbreviated form, match(es) for the query that occur in string values within the JSON document. See Section 12.3.4 for more details.","description_html":"Displays, in an abbreviated form, match(es) for the \u003cem class=\"parameter\"\u003e\u003ccode\u003equery\u003c/code\u003e\u003c/em\u003e that occur in string values within the JSON \u003cem class=\"parameter\"\u003e\u003ccode\u003edocument\u003c/code\u003e\u003c/em\u003e. See \u003ca href=\"/docs/18/textsearch-controls.html#TEXTSEARCH-HEADLINE\" title=\"12.3.4. Highlighting Results\"\u003eSection 12.3.4\u003c/a\u003e for more details.","description_zh":"","description_zh_html":"","examples":[{"expr":"ts_headline('{\"cat\":\"raining cats and dogs\"}'::jsonb, 'cat')","result":"{\"cat\": \"raining \u003cb\u003ecats\u003c/b\u003e and dogs\"}"}],"html":"\u003ccode class=\"function\"\u003ets_headline\u003c/code\u003e ( [ \u003cspan class=\"optional\"\u003e\u003cem class=\"parameter\"\u003e\u003ccode\u003econfig\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eregconfig\u003c/code\u003e,\u003c/span\u003e ] \u003cem class=\"parameter\"\u003e\u003ccode\u003edocument\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ejson\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003equery\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etsquery\u003c/code\u003e [\u003cspan class=\"optional\"\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eoptions\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etext\u003c/code\u003e\u003c/span\u003e ] ) → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"ts_headline ( [ config regconfig, ] document json, query tsquery [, options text ] ) → text","zh_from":""},{"description":"Displays, in an abbreviated form, match(es) for the query that occur in string values within the JSON document. See Section 12.3.4 for more details.","description_html":"Displays, in an abbreviated form, match(es) for the \u003cem class=\"parameter\"\u003e\u003ccode\u003equery\u003c/code\u003e\u003c/em\u003e that occur in string values within the JSON \u003cem class=\"parameter\"\u003e\u003ccode\u003edocument\u003c/code\u003e\u003c/em\u003e. See \u003ca href=\"/docs/18/textsearch-controls.html#TEXTSEARCH-HEADLINE\" title=\"12.3.4. Highlighting Results\"\u003eSection 12.3.4\u003c/a\u003e for more details.","description_zh":"","description_zh_html":"","examples":[{"expr":"ts_headline('{\"cat\":\"raining cats and dogs\"}'::jsonb, 'cat')","result":"{\"cat\": \"raining \u003cb\u003ecats\u003c/b\u003e and dogs\"}"}],"html":"\u003ccode class=\"function\"\u003ets_headline\u003c/code\u003e ( [ \u003cspan class=\"optional\"\u003e\u003cem class=\"parameter\"\u003e\u003ccode\u003econfig\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eregconfig\u003c/code\u003e,\u003c/span\u003e ] \u003cem class=\"parameter\"\u003e\u003ccode\u003edocument\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ejsonb\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003equery\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etsquery\u003c/code\u003e [\u003cspan class=\"optional\"\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eoptions\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etext\u003c/code\u003e\u003c/span\u003e ] ) → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"ts_headline ( [ config regconfig, ] document jsonb, query tsquery [, options text ] ) → text","zh_from":""}],"zh_from":""},"ManualEvidence":{"doc":{"anchor":"TEXTSEARCH-FUNCTIONS-TABLE","file":"functions-textsearch.html","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"ts-headline","SourceDatabase":"pgweb","Version":"18","Locale":"zh-Hans","Title":"ts_headline","Summary":"以缩略形式显示query在document中的匹配项；后者必须是原始文本，不能是tsvector。在匹配查询之前，文档中的单词将根据指定的或默认配置进行正规化。第 12.3.4 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节\u003c/a\u003e中讨论了该函数的使用，还描述了可用的\u003cem\u003e\u003ccode\u003eoptions\u003c/code\u003e\u003c/em\u003e。\u003cpre\u003ets_headline ( [ config regconfig, ] document json, query tsquery [, options text ] ) → text\u003c/pre\u003e以缩略形式显示\u003cem\u003e\u003ccode\u003equery\u003c/code\u003e\u003c/em\u003e在 JSON \u003cem\u003e\u003ccode\u003edocument\u003c/code\u003e\u003c/em\u003e字符串值中的匹配项。更多细节请参见\u003ca href=\"/docs/18/textsearch-controls.html#TEXTSEARCH-HEADLINE\" rel=\"nofollow\"\u003e第 12.3.4 节\u003c/a\u003e。\u003cpre\u003ets_headline ( [ config regconfig, ] document jsonb, query tsquery [, options text ] ) → text\u003c/pre\u003e以缩略形式显示\u003cem\u003e\u003ccode\u003equery\u003c/code\u003e\u003c/em\u003e在 JSON \u003cem\u003e\u003ccode\u003edocument\u003c/code\u003e\u003c/em\u003e字符串值中的匹配项。更多细节请参见\u003ca href=\"/docs/18/textsearch-controls.html#TEXTSEARCH-HEADLINE\" rel=\"nofollow\"\u003e第 12.3.4 节\u003c/a\u003e。","SourceRevision":"1b5ca64c","ContentHash":"046302ec6d225881dfd11ad353b1986bbb7835c1d5b9d368e8a82bd747202096","Payload":{"description_zh":"以缩略形式显示query在document中的匹配项；后者必须是原始文本，不能是tsvector。在匹配查询之前，文档中的单词将根据指定的或默认配置进行正规化。第 12.3.4 节中讨论了该函数的使用，还描述了可用的options。","description_zh_html":"以缩略形式显示\u003cem class=\"parameter\"\u003e\u003ccode\u003equery\u003c/code\u003e\u003c/em\u003e在\u003cem class=\"parameter\"\u003e\u003ccode\u003edocument\u003c/code\u003e\u003c/em\u003e中的匹配项；后者必须是原始文本，不能是\u003ccode class=\"type\"\u003etsvector\u003c/code\u003e。在匹配查询之前，文档中的单词将根据指定的或默认配置进行正规化。\u003ca href=\"/docs/18/textsearch-controls.html#TEXTSEARCH-HEADLINE\" title=\"12.3.4. 高亮结果\"\u003e第 12.3.4 节\u003c/a\u003e中讨论了该函数的使用，还描述了可用的\u003cem class=\"parameter\"\u003e\u003ccode\u003eoptions\u003c/code\u003e\u003c/em\u003e。","signatures":[{"description_zh":"以缩略形式显示query在document中的匹配项；后者必须是原始文本，不能是tsvector。在匹配查询之前，文档中的单词将根据指定的或默认配置进行正规化。第 12.3.4 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See \u003ca href=\"/docs/18/textsearch-controls.html#TEXTSEARCH-HEADLINE\" title=\"12.3.4. Highlighting Results\"\u003eSection 12.3.4\u003c/a\u003e for more details.","description_zh":"","description_zh_html":"","examples":[{"expr":"ts_headline('{\"cat\":\"raining cats and dogs\"}'::jsonb, 'cat')","result":"{\"cat\": \"raining \u003cb\u003ecats\u003c/b\u003e and dogs\"}"}],"html":"\u003ccode class=\"function\"\u003ets_headline\u003c/code\u003e ( [ \u003cspan class=\"optional\"\u003e\u003cem class=\"parameter\"\u003e\u003ccode\u003econfig\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eregconfig\u003c/code\u003e,\u003c/span\u003e ] \u003cem class=\"parameter\"\u003e\u003ccode\u003edocument\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ejson\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003equery\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etsquery\u003c/code\u003e [\u003cspan class=\"optional\"\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eoptions\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etext\u003c/code\u003e\u003c/span\u003e ] ) → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"ts_headline ( [ config regconfig, ] document json, query tsquery [, options text ] ) → text","zh_from":""}},{"Version":"18","Ordinal":2,"Hash":"aeb2c43a82f5d9b3629bf7726f4a3d02408b84f6979c4bc00a4cfc81f718d436","Text":"ts_headline ( [ config regconfig, ] document jsonb, query tsquery [, options text ] ) → text","Returns":"text","Payload":{"description":"Displays, in an abbreviated form, match(es) for the query that occur in string values within the JSON document. See Section 12.3.4 for more details.","description_html":"Displays, in an abbreviated form, match(es) for the \u003cem class=\"parameter\"\u003e\u003ccode\u003equery\u003c/code\u003e\u003c/em\u003e that occur in string values within the JSON \u003cem class=\"parameter\"\u003e\u003ccode\u003edocument\u003c/code\u003e\u003c/em\u003e. See \u003ca href=\"/docs/18/textsearch-controls.html#TEXTSEARCH-HEADLINE\" title=\"12.3.4. Highlighting Results\"\u003eSection 12.3.4\u003c/a\u003e for more details.","description_zh":"","description_zh_html":"","examples":[{"expr":"ts_headline('{\"cat\":\"raining cats and dogs\"}'::jsonb, 'cat')","result":"{\"cat\": \"raining \u003cb\u003ecats\u003c/b\u003e and dogs\"}"}],"html":"\u003ccode class=\"function\"\u003ets_headline\u003c/code\u003e ( [ \u003cspan class=\"optional\"\u003e\u003cem class=\"parameter\"\u003e\u003ccode\u003econfig\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eregconfig\u003c/code\u003e,\u003c/span\u003e ] \u003cem class=\"parameter\"\u003e\u003ccode\u003edocument\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ejsonb\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003equery\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etsquery\u003c/code\u003e [\u003cspan class=\"optional\"\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eoptions\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etext\u003c/code\u003e\u003c/span\u003e ] ) → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"ts_headline ( [ config regconfig, ] document jsonb, query tsquery [, options text ] ) → text","zh_from":""}}],"Spellings":null,"SQLState":null,"Evidence":null}