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ARROW-9910: [Rust][DataFusion] Fixed error in type coercion of Variadic. - #8108
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jorgecarleitao wants to merge 1 commit into
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ARROW-9910: [Rust][DataFusion] Fixed error in type coercion of Variadic.#8108jorgecarleitao wants to merge 1 commit into
jorgecarleitao wants to merge 1 commit into
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jorgecarleitao
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Sep 4, 2020
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FYI @alamb , @andygrove |
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The background of this error is that we currently use
numerical_coercion(lhs, rhs)function to check if a coercion rule applies, but that function tries to come up with a common type between lhs and rhs. We should be using the functioncan_coerce_fromto check if a cast can be performed.This commit fixes this.