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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/07/13 17:25:27 UTC
[GitHub] [arrow] wesm commented on a change in pull request #7684: ARROW-9374: [C++][Python] Expose MakeArrayFromScalar
wesm commented on a change in pull request #7684:
URL: https://github.com/apache/arrow/pull/7684#discussion_r453807979
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File path: cpp/src/arrow/array/array_test.cc
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@@ -384,6 +398,40 @@ TEST_F(TestArray, TestMakeArrayFromScalar) {
}
}
+TEST_F(TestArray, TestMakeArrayFromDictionaryScalar) {
+ auto dictionary = ArrayFromJSON(utf8(), R"(["foo", "bar", "baz"])");
+ auto type = std::make_shared<DictionaryType>(int8(), utf8());
Review comment:
`::arrow::dictionary` works too
##########
File path: cpp/src/arrow/array/array_test.cc
##########
@@ -384,6 +398,40 @@ TEST_F(TestArray, TestMakeArrayFromScalar) {
}
}
+TEST_F(TestArray, TestMakeArrayFromDictionaryScalar) {
+ auto dictionary = ArrayFromJSON(utf8(), R"(["foo", "bar", "baz"])");
+ auto type = std::make_shared<DictionaryType>(int8(), utf8());
+ ASSERT_OK_AND_ASSIGN(auto value, MakeScalar(int8(), 1));
+ auto scalar = DictionaryScalar({value, dictionary}, type);
Review comment:
Note you can also do `DictionaryScalar scalar({..., `
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