Fix column names for boolean pivot field #184
Merged
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This PR updates the
pivot
transform to use the names"true"
and"false"
rather than 1 and 0 for boolean columns.Previously, we were casting all non-string column values to strings, but casting a boolean to a string in DataFusion results in 0/1 as column names. Now booleans are handled separately to produce "true"/"false" column names.