正则表达式解析函数: regexp_extract(string subject, string pattern, int index) URL解析函数:parse_url(string urlString, string partToExtract [, string keyToExtract]) 返回值: string json解析函数:get_json_object(string json_string, string path) 空格字符串函数:space(int n) 重复字符串函数:repeat(...
regexp_extract_all(string, pattern) -> array(varchar) eg:SELECT regexp_extract_all('1a 2b 14m', '\d+'); -- [1, 2, 14] 返回string中第一个符合pattern的元素 : regexp_extract(string, pattern) → varchar eg:SELECT regexp_extract('1a 2b 14m', '\d+'); -- 1 返回string中所有符...
date_part函数是 SQL 标准extract函数的同义词。 例如,date_part('year', CURRENT_DATE)等效于extract(YEAR FROM CURRENT_DATE) 示例 SQL复制 >SELECTdate_part('YEAR',TIMESTAMP'2019-08-12 01:00:00.123456'); 2019 >SELECTdate_part('Week',TIMESTAMP'2019-08-12 01:00:00.123456'); 33 >SELECTdate_...
* When we need to extract everything between two tokens including all spaces we should use * this method instead of defined a named Antlr4 rule for .*?, * which somehow parse "a b" -> "ab" in some cases */ def interval(start: Token, end: Token): String = { val interval = ...
Extract a substring from a varchar(x) variable formated as XML? extract date from text string - Transact-SQL Extract directory path from the file path with file name Extract Image data (storing xml file) from sql server table, shred xml file and load to table Extract integer portion? Extrac...
/Action: /a: Extract 指定要執行的動作。 /AzureCloudConfig: /acc: {string} 指定用於連線至 Microsoft Entra ID 的自訂端點,格式為:AzureActiveDirectoryAuthority={value};DatabaseServicePrincipalName={value}"。 /Diagnostics: /d: {True|False} 指定診斷記錄是否輸出到主控台。 預設為 False。 /Diagnostics...
trim([characters from] string):去掉字符串头尾指定的空格或字符。 regexp_extract(string, pattern, index):指定模式,并返回特定位置(从1开始计算)的匹配结果。 regexp_replace(string, pattern, replacement):将字符串中的符合模式的字符串替换成替换字符串。
DATEPART Extracts a specific part of a date/time value in SQL Server. GETDATE Retrieves database time in SQL Server. SYSDATE Retrieves database time in Oracle and MySQL. EXTRACT Retrieves a certain component of a date or timestamp value. Next...
INVALID_EXTRACT_BASE_FIELD_TYPE, INVALID_EXTRACT_FIELD_TYPE, INVALID_FIELD_NAME, INVALID_INLINE_TABLE, INVALID_QUALIFIED_COLUMN_NAME, INVALID_RESET_COMMAND_FORMAT, INVALID_SAVE_MODE, INVALID_SET_SYNTAX, INVALID_SQL_SYNTAX, INVALID_USAGE_OF_STAR_OR_REGEX, INVALID_WRITE_DISTRIBUTION, MATERIALIZED_VIEW...
正则表达式解析函数:regexp_extract SELECT qq_email, regexp_extract(qq_email, '^(.+)@', 1) AS username, regexp_extract(qq_email, '@(.+)$', 1) AS domain FROM example_data; qq_emailusernamedomain john.smith@qq.com john.smith qq.com john.smith@qq.com john.smith qq.com bob.johnso...