find_in_set GROUP_CONCAT Description group_concat(string s [, string sep]) 功能:该函数是类似于sum()的聚合函数,group_concat将结果集中的多行结果连接成一个字符串。第二个参数为字符串之间的连接符号,该参数可以省略。该函数通常需要和group by 语句一起使用。 返回类型:string类型 Example mysql> select...
INT find_in_set(VARCHAR str, VARCHAR strlist) 返回strlist 中第一次出现 str 的位置(从1开始计数)。strlist 是用逗号分隔的字符串。如果没有找到,返回0。任意参数为 NULL ,返回 NULL。 example mysql> select find_in_set("b", "a,b,c"); +---+ | find_in_set('b', 'a,b,c') | +--...
return( ROUND( (in_date -TO_DATE('19700101','yyyymmdd'))*86400 - TO_NUMBER(SUBSTR(TZ_OFFSET(sessiontimezone),1,3))*3600, 0) ); end ORACLE_TO_UNIX; 1. 2. 3. 4. 2、FIND_IN_SET CREATE OR REPLACE FUNCTION FIND_IN_SET(piv_str1 varchar2, piv_str2 varchar2, p_sep varchar2 :...
4) | +---+ | 5 | +---+ 1 row in set (0.01 sec) mysql> select bitor(16,48); /* 00001000 | 00011000 */ +---+ | bitor(16, 48) | +---+ | 48 | +---+ 1 row in set (0.01 sec) mysql> select bitor(0,7); /* 00000000 | 00000111 */ +---+ | bitor(...
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find /home/hadoop/hbase-0.96.0-hadoop/lib -name "hbase*.jar"|xargs -i cp {} ./ 6. 基本的同步完成了,重点检查下zookeeper和protobuf的jar包是否和hbase保持一致,如果不一致, protobuf.**.jar和zookeeper-3.4.5.jar到hive/lib下。 7.如果用mysql当原数据库, ...
ll find audio cues of Wishman caught on tape, usually to embarrassing effect (she forgets which partner was on top when blocking a love scene; her cameraman yells at her to get out of the shot). Nineteen of Wishman’s thirty-one movies are represented here in some form, including both...
Files master .github be bin build-support conf contrib dist docker docs extension fe fe_plugins fs_brokers gensrc regression-test samples thirdparty tools ui webroot .asf.yaml .clang-format .clang-format-ignore .clang-tidy .clangd .editorconfig ...
She lived with passion and believed strongly in causes to set up foundations. She was also an excellent businesswoman and loved her plants, especially her orchids. And, this film captures that brilliantly and one can see why a shy Bernard who also shared the same weakness with alcohol would ...
初始化阶段在FunctionSet.java (https://github.com/apache/doris/blob/master/fe/fe-core/src/main/java/org/apache/doris/catalog/FunctionSet.java)的 initAggregateBuiltins 中增加对应的 AggregateFunction.createBuiltin 函数即可。 if (!Type.JSONB.equals(t)) {...