nikostr commented on issue #41959:
URL: https://github.com/apache/arrow/issues/41959#issuecomment-2148119846
I found the following hacky work-around to get the columns as the right type:
```
register_scalar_function(
'bool_to_int',
function(context, bool_var) {
if_else(bool_var, 1, 0)
},
in_type = schema(bool_var=bool()),
out_type = uint8(),
auto_convert = TRUE
)
```
Using this I manage to use `across` to change the type of the columns, which
in turn allowed me to use the Reduce function above to count the number of
zero-value columns for each row.
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