https://userapps.support.sap.com/sap/support/knowledge/en/2266390
2266390 - Incorrect current time value is displayed in a Web Intelligence report based on FHSQL...
How to display the same current time value in Web Intelligence as in the reporting database when using Free-Hand SQL (FHSQL) data sources? The reporting...
https://userapps.support.sap.com/sap/support/knowledge/en/3341598
3341598 - Unable to change a webi FHSQL, Excel and Text data source | SAP Knowledge Base Article
When changing a webi report data source, Free Hand SQL, Excel and Text data sources are grayed.