pitrou commented on a change in pull request #11045:
URL: https://github.com/apache/arrow/pull/11045#discussion_r700412466
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File path: cpp/src/arrow/compute/kernels/scalar_arithmetic_test.cc
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@@ -1365,6 +1365,18 @@ TEST(TestBinaryDecimalArithmetic, DispatchBest) {
}
}
+ // decimal, integer
+ for (std::string name : {"add", "subtract", "multiply", "divide"}) {
+ for (std::string suffix : {"", "_checked"}) {
+ name += suffix;
+
+ CheckDispatchBest(name, {int64(), decimal128(1, 0)},
+ {decimal128(1, 0), decimal128(1, 0)});
+ CheckDispatchBest(name, {decimal128(1, 0), int64()},
+ {decimal128(1, 0), decimal128(1, 0)});
Review comment:
But surely the actual cast from int64 to decimal128(1,0) will fail in
the precision check?
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