hive空值判断：如果为null,取"",否则取其值
select if(column_test is null, "", column_test) as column_alias from table_name;
查询hive报错 SQL 错误 [40000] [42000]: COMPILE FAILED: Parse error: [Error 40000] line 1:8 cannot recogniz
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Hive 报错 Error while compiling statement: FAILED: ParseException line 1:0 character '' not supported here (state=42000,code=40000)
Inceptor [Code: 40000, SQL State: 42000] COMPILE FAILED: Internal error NullPointerException: [Error 40000] java.lang.NullPointerException
SQL 错误 [30028] [42000]: COMPILE FAILED: Semantic error: [Error 30028] Line 1:7 PLSQL function is running in a non-driver environment, usually in SQL statement which doesn't allow nested SQL statement.
idea报错。Error:Failed to load project configuration: cannot parse xml file E:\project\.idea\workspace.xml: Error on line 1: 前言中不允许有内容。
SQL Error: 1064, SQLState: 42000错误
MySQL报错 SQL ERROR:1064 ,SQLState:42000
SQL Error: 1064, SQLState: 42000错误
关于卸载SQL Server 2008出现0x84B40000错误提示的解决方案
npm run dev 有报错但是没有具体的错误提示： ERROR Failed to compile with 1 errors
解决：sudo: parse error in /etc/sudoers near line 24 ...报错