Thursday, November 1, 2012

xRecord.setTmp() and inactive configuration keys

Be carefull when using setTmp method on table buffers. If your table is assigned a configuration key, turning it off will make this line of code throw an error at runtime: "Table '<table name>' of type TempDB cannot be changed to table of type InMemory".

For example, \Classes\SysRecordTemplateEdit\setFormDataSourceRecord has this problem. It loops through form datasources and tries to set them all to InMemory withouth checking first if they are TempDB or not.

In order to avoid this error, you can use the following construction:

    if (!myTable.isTempDb())

More about TempDB tables on MSDN.