2010YOUY01 commented on code in PR #11787:
URL: https://github.com/apache/datafusion/pull/11787#discussion_r1702749281
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datafusion/expr/src/type_coercion/functions.rs:
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@@ -573,6 +573,8 @@ fn coerced_from<'a>(
(Interval(_), _) if matches!(type_from, Utf8 | LargeUtf8) => {
Some(type_into.clone())
}
+ // We can go into a Utf8View from a Utf8 or LargeUtf8
+ (Utf8View, _) if matches!(type_from, Utf8 | LargeUtf8) =>
Some(type_into.clone()),
Review Comment:
I see, the semantics is < 32 bit length `LargeUtf8` conversion is supported,
otherwise, some runtime error will occur. This makes sense.
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