CONCAT() is a string function in standard query language (SQL) that is used to concatenate or combine two or more strings specified as arguments in the function. However, when concatenating, NULL arguments are ignored. Thus, the function helps in presenting data fields in a more readable forma...
CREATETABLE`t_orderamt`(`id`int,`dt`string,`orderamt`float)row format delimited fields terminated by','storedastextfile;SQLload data local inpath'orderamt.txt'overwrite into table t_orderamt;select*from t_orderamt limit20; 按照上面的代码建表,然后把orderamt.txt的内容加载到表中即可,最终数据...
INTO 保留 保留 保留 保留 INVISIBLE 非保留 INVOKER 非保留 非保留 非保留 IS 保留(可以作为函数名/类型名) 保留 保留 保留 ISNULL 保留(可以作为函数名/类型名) ISOLATION 非保留 非保留 非保留 保留 JOIN 保留(可以作为函数名/类型名) 保留 保留 保留 JSON 非保留 JSON_ARRAY 保留 JSON_ARRAYAGG 保...
CONCAT CONCAT(char1, char2) concatenates char1 and char2 into one string CONCAT({number},CONCAT('_',{line})) INITCAP INITCAP(char) returns char, with the first letter of each word in uppercase, all other letters in lowercase INITCAP({customer.companyname}) LOWER LOWER(char) returns ...
COPY_INTO_FEATURE_INCOMPATIBLE_SETTING、DELTA_AMBIGUOUS_PATHS_IN_CREATE_TABLE、DELTA_CANNOT_SET_LOCATION_ON_PATH_IDENTIFIER、DELTA_CLONE_AMBIGUOUS_TARGET、DELTA_CLUSTERING_WITH_ZORDER_BY、DELTA_CLUSTER_BY_WITH_BUCKETING、DELTA_CLUSTER_BY_WITH_PARTITIONED_BY、DELTA_FILE_LIST_AND_PATTERN_STRING_CONFLICT、...
SELECT CONCAT_WITH_SPACE( CONCAT( carrid, LPAD( carrname,21,' ' ) ), RPAD( url,40,' ' ), 3 ) AS line FROM scarr INTO TABLE @FINAL(result). Executable Examples String functions SQL expressions, concatenations Continuesql_func - String Functions...
You can use the following custom SQL query to change the data type of Root from a number to a string so that you can join the Main and Sub tables using the Root and ID fields. SELECT [Main].[Root] AS [Root_Number]CAST([Main].[Root] AS INT] AS [Root_String] FROM [Main] The...
FROM or INSERT INTO). As soon as an identifier is seen, the state shifts back to BTID. After a comment has completed, the lexer returns to the previous state, one of the 'normal states'. */ // 词法规则<DEFAULT, DQID, BTID, BQID, BQHID>TOKEN : ...
StringType,nullable=true))valschema=StructType(fields)// 将RDD（people）的记录转换为RowsvalrowRDD=...
`height_width` string COMMENT '屏幕宽高', `app_time` string COMMENT '客户端日志产生时的时间', `network` string COMMENT '网络模式', `lng` string COMMENT '经度', `lat` string COMMENT '纬度' ) COMMENT '活跃用户按月明细' PARTITIONED BY (`mn` string) stored as parquet location '/warehouse...