liukun4515 commented on code in PR #2721:
URL: https://github.com/apache/arrow-datafusion/pull/2721#discussion_r902228171
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datafusion/core/src/physical_plan/hash_join.rs:
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@@ -1054,6 +1110,116 @@ fn equal_rows(
DataType::LargeUtf8 => {
equal_rows_elem!(LargeStringArray, l, r, left, right,
null_equals_null)
}
+ DataType::Decimal(_, lscale) => match r.data_type() {
Review Comment:
From my knowledge in the datafusion, we should convert the left and right to
the same data type in the planner.
The data type of left and right must be same.
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