if (entityInfo.EntityColumnInfo.PropertyInfo.GetCustomAttribute<DefaultInsertAttribute>()!=null && entityInfo.OperationType == DataFilterType.InsertByObject) { if (oldValue is not null) { entityInfo.SetValue(oldValue); } else { if (entityInfo.EntityColumnInfo.DefaultValue is not null) { entityI...
[Execute SQL Task] Error: The value type (__ComObject) can only be converted to variables of type Object. [ODBC Driver Manager] Data source name not found and no default driver specified [ODBC SQL Server Driver] Invalid Parameter Number/ Invalid Description or Index [Sql server 2012] Change...
DBNull.Value是一个有着内存地址的具体类型的值,映射了数据库中的null值; 而NULL则是空指向,不存在对应的内存地址。任何对象赋值为null后,内存就释放了。 举个例子: 从数据库读数据 返回 DataTable 值。vardata = conn.ExecuteDataTable(sql,"Datatable"); 如果A列在数据库中为null值if( data.Rows[0]["A...
Checks for SQL Server errors by testing @@ERROR. If @@ERROR isn't equal to zero, the procedure returns the return code 3. If @@ERROR was equal to zero, the procedure checks to see if the @SalesYTD parameter value is NULL. If no year to date sales were found, the procedure returns...
error("dup close"); } return; } if (!this.abandoned) { DruidAbstractDataSource dataSource = holder.getDataSource(); dataSource.recycle(this); } this.holder = null; conn = null; transactionInfo = null; closed = true; } recycle方法主要是执行dataSource.recycle(this) DruidDataSource....
Type: Boolean; recognized values are 1 and 0, or true and false; any other value interpreted as false Default: false (shown as 0 in output of SET statement) 参考 Query Options for the SET Statement DECIMAL_V2 Query Option CDH6中Impala3报错UDF ERROR: String to Decimal parse failed ...
sqlstate-value IN handler-name:error-description -502 CURSOR ALREADY OPEN -503 SQL REJECTED INVALID INPUT FOR REASON -504 PLAN OPTION ERROR: error-string -505 ON-CLAUSE ERROR: x NOT ALLOWED -530 PROC authid.name: msg-string -531 PROC authid.name: msg-string -532 TRIG authid.na...
配置方式:convention.php中定义了默认编码类型为DEFAULT_AJAX_RETURN => 'JSON', 分析:ajaxReturn()调用了json_encode()将数值转换成json数据存储格式,常用的数值是数组。 注意:The value being encoded can be any type except a resource(资源文件).All string data must beUTF-8encoded. ...
报错SQL是impala数据源: 在公司内部搭建可视化查询平台执行成功,执行结果截图 下面这个截图是尝试复现问题的SQL,当分母为0.0时,就会出现UDF ERROR: Cannot divide decimal by zero问题。 kudu数据源 另有SQL,相同的报错: ...
This is great, but this is not working on a view, it gives null rows, rather than my default value This changes the requirement fairly significantly though in theory it should work for phone numbers as well if you changed the nums table to use a bigint column and change the max to be...