`nullif(as_numeric(height),-1)` is doing a double conversion -- null into -1 followed by -1 back into null. Remove that, and delete unused `as_numeric`
building
Docs
Read the layer documentation at http://openmaptiles.org/schema#building
`nullif(as_numeric(height),-1)` is doing a double conversion -- null into -1 followed by -1 back into null. Remove that, and delete unused `as_numeric`
Read the layer documentation at http://openmaptiles.org/schema#building