Issue
When defining Custom SQL in Tableau Prep that contains the characters '<' and '>' in this order, the following error may occur:Error in input 'Custom SQL'. Can't connect to datasource <datasource>. An error occurred while communicating with the data source.
Custom SQL relation refers to a non-existent parameter: < text>
Custom SQL relation refers to a non-existent parameter: < text>
For example if the Custom SQL contains a clause such as' WHERE Order ID <15 and Order ID>1, the error message will be:
Error in input 'Custom SQL'. Can't connect to datasource <datasource>. An error occurred while communicating with the data source.
Custom SQL relation refers to a non-existent parameter: <15 and Order ID>
Custom SQL relation refers to a non-existent parameter: <15 and Order ID>