hive> select substring('abcde',3) from tableName; cde hive> select substr('abcde',-1) from tableName; (和ORACLE相同) e 字符串截取函数:substr,substring 语法: substr(string A, int start, int len),substring(string A, int start, int len) 返回值: string 说明:返回字符串A从start位置开始,...
substring_index函式 sum 函數 table_changes函式 tan 函式 tanh 函式 tildesign 運算符 timediff 函式 timestamp 函式 timestamp_micros函式 timestamp_millis函式 timestamp_seconds函式 timestampadd 函式 timestampdiff 函式 tinyint 函式 to_binary函式 to_char函式 to_csv函式 to_date函式 to_json ...
Returns the substring from string str before count occurrences of the delimiter delim. If count is positive, everything to the left of the final delimiter (counting from the left) is returned. If count is negative, everything to the right of the final delimiter (counting from the right) is...
hive -S -e 'select table_cloum from table' -S,终端上的输出不会有mapreduce的进度,执行完毕,只会把查询结果输出到终端上。
Delete substring in string giving that substring Delete/remove a Visual C# class Deleting a Table from Database (MS Access) Deleting columns from multidimensional array Deleting rows conditionally from a DataTable Demonstrating Array of Interface Types (using runtime polymorphism) in C# dependecy walke...
index('str_r','r') --定位函数;结果:在'str_r'中搜寻r的位置,返回3 position('r' in 'str') --定位函数;结果:'r'在'str'中的位置,返回3 substr('str',1,2) --截取函数;结果:从第1个字符开始,截取2个字符,即:'tr' substring('str' from 1 for 2) --同上 ...
SUBSTRING_INDEX(str,delim,count) Returns the substring from stringstrbeforecountoccurrences of the delimiterdelim. Ifcountis positive, everything to the left of the final delimiter (counting from the left) is returned. Ifcountis negative, everything to the right of the final delimiter (counting fr...
语法: substr(string A, int start),substring(string A, int start) 返回值: string 说明:返回字符串A从start位置到结尾的字符串 举例: select substr(‘abcde’,3) from test; cde select substring(‘abcde’,3) from test; cde selectsubstr(‘abcde’,-1) from test; (和ORACLE相同) ...
24. negative函数: negative 五、日期函数 1. UNIX时间戳转日期函数:from_unixtime from_unixtime(1323308943,'yyyyMMdd') 2. 获取当前UNIX时间戳函数:unix_timestamp 3. 日期转UNIX时间戳函数:unix_timestamp unix_timestamp('2011-12-07 13:01:03') ...
语法:substr(stringA,intstart,intlen),substring(stringA,intstart,intlen) 返回值:string 说明:返回字符串A从start位置开始,长度为len的字符串 hive>selectsubstr('abcde',3,2)fromtableName; cd hive>selectsubstring('abcde',3,2)fromtableName; cd hive>selectsubstring('abcde',-2,2)fromtableName; de...