Google Spreadsheet translator incorrect results DELETE with boolean in criteria

When performing DELETE against Google Spreadsheet everything evaluates to false.

DELETE FROM SmallA WHERE BooleanValue

update count is 0, but should be 16.

DELETE FROM SmallA WHERE NOT BooleanValue

update count is 26, but should be 10.

The BooleanValue column is modeled as:

        booleanvalue boolean OPTIONS (NATIVE_TYPE 'BOOLEAN'),