如何将mysql中以逗号分隔的值拆分为行？您可以使用find\ in\ u set函数。例如：
不支持SELECT INTO OUTFILE/INTO DUMPFILE/INTO var_name 不支持query_expression_options,如:HIGH_PRIORITY/STRAIGHT_JOIN/SQL_SMALL_RESULT/SQL_BIG_RESULT/SQL_BUFFER_RESULT/SQL_CACHE/SQL_NO_CACHE/SQL_CALC_FOUND_ROWS 不支持不带列名的INSERT/REPLACE 不支持全局的DELETE/UPDATE使用ORDER BY/LIMIT(版本>=14.4...
System Variable Name mysql-default_sql_safe_updates Dynamic Yes Permitted Values Type String Default OFF Valid Values ON|OFFmysql-default_sql_select_limitDeprecated in version 2.0.11. See mysql-default_variables The maximum number of rows to return from SELECT statements. The default value for a ...
Need some help.. In MYSQL, How to split a comma separated string into rows using regular expressions and without creating functions or procedures. The comma separated string length is dynamic. For eg. String: 23456,16524,84755,98457,06978,05986,73454,34785 ...
sql); // INSERT INTO posts SET `id` = 1, `title` = 'Hello MySQL' And the toSqlString method allows you to form complex queries with functions: var CURRENT_TIMESTAMP = { toSqlString: function() { return 'CURRENT_TIMESTAMP()'; } }; var sql = mysql.format('UPDATE posts SET ...
1.字符串转数组 这个相信多数人都会常用,string.split方法,分隔符可以为多个.详细信息参见MSDN string[] actionCfgs = _para.Split(new char[]{cm_defaultSeparator}); 2.字符串数组转固定分隔符字符串 这个就不知道有多少人经常使用了.String.Join 详见MSDN string[] tempS= new string[]{"a","b","c"...
if multiple, seperate by comma(,) --maxSplitSize max file size after split, the uint is M --binlogFileNames binlog files to process. if multiple, seperate by comma(,) --outBinlogFileNameBase output binlog file name base --logLevel log level, available option is debug,warning,error ...
mysql> GRANT REPLICATION SLAVE ON *.* TO'repluser'@'172.16.%.%'IDENTIFIED BY'replpass';(授权repluser用户172.16.0.0网络主机备份复制所有库所有表权限 ,用户密码为replpass) Query OK, 0 rows affected (0.01 sec) mysql> FLUSH PRIVILEGES;(刷新授权表) ...
connect jdbc:mysql://hadoop1:3306/ \ --username root \ --password root \ --target-dir /user/hadoop/myimport33_1 \ --query 'select help_keyword_id,name from mysql.help_keyword where $CONDITIONS and name = "STRING"' \ --split-by help_keyword_id \ --fields-terminated-by '\t' \...
log(query.sql); // INSERT INTO posts SET `id` = 1, `title` = 'Hello MySQL' And the toSqlString method allows you to form complex queries with functions: var CURRENT_TIMESTAMP = { toSqlString: function() { return 'CURRENT_TIMESTAMP()'; } }; var sql = mysql.format('UPDATE ...