Github user paul-rogers commented on the issue: https://github.com/apache/drill/pull/1242 @kfaraaz, the logic for all types is the same. But, still added `BIT`/`BOOLEAN`, `DATE`, `TIME`, `TIMESTAMP`, `INTERVAL`, `VARBINARY`, and `DECIMAL`. Found several bugs, but none in the type functions. Tried to extend `sqlTypeOf()` to include `DECIMAL` precision and scale, but found that that information is missing (another bug.)
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