milesgranger commented on code in PR #14495:
URL: https://github.com/apache/arrow/pull/14495#discussion_r1017040664
##########
cpp/src/arrow/compute/kernels/scalar_nested_test.cc:
##########
@@ -141,16 +148,25 @@ TEST(TestScalarNested, StructField) {
&extract0);
CheckScalar("struct_field", {arr}, ArrayFromJSON(int64(), "[10, 11, 12,
null]"),
&extract20);
+
+ CheckScalar("struct_field", {arr}, ArrayFromJSON(int32(), "[1, null, 3,
null]"),
+ &extract0_field_ref_path);
+ CheckScalar("struct_field", {arr}, ArrayFromJSON(int32(), "[1, null, 3,
null]"),
+ &extract0_field_ref_name);
+ CheckScalar("struct_field", {arr}, ArrayFromJSON(int64(), "[10, 11, 12,
null]"),
+ &extract20_field_ref_nest);
+
EXPECT_RAISES_WITH_MESSAGE_THAT(Invalid,
::testing::HasSubstr("out-of-bounds field
reference"),
CallFunction("struct_field", {arr},
&invalid1));
EXPECT_RAISES_WITH_MESSAGE_THAT(Invalid,
- ::testing::HasSubstr("out-of-bounds field
reference"),
+ ::testing::HasSubstr("No match for
FieldRef"),
Review Comment:
The former error message was like this:
`out-of-bounds field reference to field 4 in type struct<a: int32, b:
string, c: struct<d: int64, e: double>> with 3 fields`
@jorisvandenbossche I should have made it clearer that I did understand your
comment, I only wanted to confirm you were aware the 'new' error did contain
additional context and if that was as good as the previous. I'll look more
deeply at how to retain the previous error if that's preferable, I don't have
much of an opinion on this.
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