云服务器内容精选
-
|| 描述：将两个tsquery类型的词汇进行“或”操作 示例： 1 2 3 4 5 6 7 8 9 10 SELECT 'fat | rat'::tsquery || 'cat'::tsquery AS RESULT; result --------------------------- ( 'fat' | 'rat' ) | 'cat' (1 row) SELECT 'a:1 b:2'::tsvector || 'c:1 d:2 b:3'::tsvector AS RESULT; result --------------------------- 'a':1 'b':2,5 'c':3 'd':4 (1 row)
-
|| 描述：将两个tsquery类型的词汇进行“或”操作 示例： 1 2 3 4 5 6 7 8 9 10 SELECT 'fat | rat'::tsquery || 'cat'::tsquery AS RESULT; result --------------------------- ( 'fat' | 'rat' ) | 'cat' (1 row) SELECT 'a:1 b:2'::tsvector || 'c:1 d:2 b:3'::tsvector AS RESULT; result --------------------------- 'a':1 'b':2,5 'c':3 'd':4 (1 row)
-
ts_stat(sqlquery text, [ weights text, ] OUT word text, OUT ndoc integer, OUT nentry integer) 描述：获取tsvector列的统计数据。 返回类型：setof record 示例： 1 2 3 4 5 6 SELECT ts_stat('select ''hello world''::tsvector'); ts_stat ------------- (world,1,1) (hello,1,1) (2 rows)
-
ts_token_type(parser_name text, OUT tokid integer, OUT alias text, OUT description text) 描述：获取分析器定义的记号类型。 返回类型：setof record 示例： 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 SELECT ts_token_type('default'); ts_token_type -------------------------------------------------------------- (1,asciiword,"Word, all ASCII") (2,word,"Word, all letters") (3,numword,"Word, letters and digits") (4,email,"Email address") (5,url,URL) (6,host,Host) (7,sfloat,"Scientific notation") (8,version,"Version number") (9,hword_numpart,"Hyphenated word part, letters and digits") (10,hword_part,"Hyphenated word part, all letters") (11,hword_asciipart,"Hyphenated word part, all ASCII") (12,blank,"Space symbols") (13,tag,"XML tag") (14,protocol,"Protocol head") (15,numhword,"Hyphenated word, letters and digits") (16,asciihword,"Hyphenated word, all ASCII") (17,hword,"Hyphenated word, all letters") (18,url_path,"URL path") (19,file,"File or path name") (20,float,"Decimal notation") (21,int,"Signed integer") (22,uint,"Unsigned integer") (23,entity,"XML entity") (23 rows)
-
ts_parse(parser_name text, document text, OUT tokid integer, OUT token text) 描述：测试一个解析。 返回类型：setof record 示例： 1 2 3 4 5 6 7 8 SELECT ts_parse('default', 'foo - bar'); ts_parse ----------- (1,foo) (12," ") (12,"- ") (1,bar) (4 rows)
-
ts_parse(parser_oid oid, document text, OUT tokid integer, OUT token text) 描述：测试一个解析。 返回类型：setof record 示例： 1 2 3 4 5 6 7 8 SELECT ts_parse(3722, 'foo - bar'); ts_parse ----------- (1,foo) (12," ") (12,"- ") (1,bar) (4 rows)
-
ts_token_type(parser_oid oid, OUT tokid integer, OUT alias text, OUT description text) 描述：获取分析器定义的记号类型。 返回类型：setof record 示例： 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 SELECT ts_token_type(3722); ts_token_type -------------------------------------------------------------- (1,asciiword,"Word, all ASCII") (2,word,"Word, all letters") (3,numword,"Word, letters and digits") (4,email,"Email address") (5,url,URL) (6,host,Host) (7,sfloat,"Scientific notation") (8,version,"Version number") (9,hword_numpart,"Hyphenated word part, letters and digits") (10,hword_part,"Hyphenated word part, all letters") (11,hword_asciipart,"Hyphenated word part, all ASCII") (12,blank,"Space symbols") (13,tag,"XML tag") (14,protocol,"Protocol head") (15,numhword,"Hyphenated word, letters and digits") (16,asciihword,"Hyphenated word, all ASCII") (17,hword,"Hyphenated word, all letters") (18,url_path,"URL path") (19,file,"File or path name") (20,float,"Decimal notation") (21,int,"Signed integer") (22,uint,"Unsigned integer") (23,entity,"XML entity") (23 rows)
-
ts_debug([ config regconfig, ] document text, OUT alias text, OUT description text, OUT token text, OUT dictionaries regdictionary[], OUT dictionary regdictionary, OUT lexemes text[]) 描述：测试一个配置。 返回类型：setof record 示例： 1 2 3 4 5 6 7 8 9 SELECT ts_debug('english', 'The Brightest supernovaes'); ts_debug ----------------------------------------------------------------------------------- (asciiword,"Word, all ASCII",The,{english_stem},english_stem,{}) (blank,"Space symbols"," ",{},,) (asciiword,"Word, all ASCII",Brightest,{english_stem},english_stem,{brightest}) (blank,"Space symbols"," ",{},,) (asciiword,"Word, all ASCII",supernovaes,{english_stem},english_stem,{supernova}) (5 rows)
-
|| 描述：将两个tsquery类型的词汇进行“或”操作 示例： 1 2 3 4 5 6 7 8 9 10 SELECT 'fat | rat'::tsquery || 'cat'::tsquery AS RESULT; result --------------------------- ( 'fat' | 'rat' ) | 'cat' (1 row) SELECT 'a:1 b:2'::tsvector || 'c:1 d:2 b:3'::tsvector AS RESULT; result --------------------------- 'a':1 'b':2,5 'c':3 'd':4 (1 row)
-
|| 描述：将两个tsquery类型的词汇进行“或”操作 示例： 1 2 3 4 5 6 7 8 9 10 SELECT 'fat | rat'::tsquery || 'cat'::tsquery AS RESULT; result --------------------------- ( 'fat' | 'rat' ) | 'cat' (1 row) SELECT 'a:1 b:2'::tsvector || 'c:1 d:2 b:3'::tsvector AS RESULT; result --------------------------- 'a':1 'b':2,5 'c':3 'd':4 (1 row)
更多精彩内容
CDN加速
GaussDB
文字转换成语音
免费的服务器
如何创建网站
域名网站购买
私有云桌面
云主机哪个好
域名怎么备案
手机云电脑
SSL证书申请
云点播服务器
免费OCR是什么
电脑云桌面
域名备案怎么弄
语音转文字
文字图片识别
云桌面是什么
网址安全检测
网站建设搭建
国外CDN加速
SSL免费证书申请
短信批量发送
图片OCR识别
云数据库MySQL
个人域名购买
录音转文字
扫描图片识别文字
OCR图片识别
行驶证识别
虚拟电话号码
电话呼叫中心软件
怎么制作一个网站
Email注册网站
华为VNC
图像文字识别
企业网站制作
个人网站搭建
华为云计算
免费租用云托管
云桌面云服务器
ocr文字识别免费版
HTTPS证书申请
图片文字识别转换
国外域名注册商
使用免费虚拟主机
云电脑主机多少钱
鲲鹏云手机
短信验证码平台
OCR图片文字识别
SSL证书是什么
申请企业邮箱步骤
免费的企业用邮箱
云免流搭建教程
域名价格
