izveigor commented on code in PR #7008:
URL: https://github.com/apache/arrow-datafusion/pull/7008#discussion_r1267926692
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datafusion/expr/src/built_in_function.rs:
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@@ -430,7 +430,22 @@ impl BuiltinScalarFunction {
)
}
- /// Returns the output [`DataType` of this function
+ /// Returns the dimension [`DataType`] of [`DataType::List`]
+ fn return_dimension(self, input_expr_type: DataType) -> u64 {
Review Comment:
This is the main codebase, other changes are documentation improvements and
new aliases.
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