jorgecarleitao commented on a change in pull request #7967:
URL: https://github.com/apache/arrow/pull/7967#discussion_r470999040
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File path: rust/datafusion/src/execution/physical_plan/math_expressions.rs
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@@ -92,7 +122,7 @@ mod tests {
.build()?;
let ctx = ExecutionContext::new();
let plan = ctx.optimize(&plan)?;
- let expected = "Projection: sqrt(CAST(#c0 AS Float64))\
+ let expected = "Projection: sqrt(CAST(#c0 AS Float32))\
Review comment:
notice here how i8 is now mapped to float32, not float64 as we give
preference to smaller types.
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