When using the QGIS SpreadSheet Layers plugin, how do I update the SQLite query without closing and reopening QGIS? I cannot see a "watch file" equivalent.
The plugin creates and uses a *.vrt file of the same name. This file lists each of the columns and has a separate SQL query for each column imported from the spreadsheet.
So a more general question is: How to refresh or update a vrt layer in Qgis?