anthonylouisbsb commented on a change in pull request #10739:
URL: https://github.com/apache/arrow/pull/10739#discussion_r674392860
##########
File path: cpp/src/gandiva/precompiled/string_ops_test.cc
##########
@@ -1555,6 +1555,29 @@ TEST(TestStringOps, TestBinaryString) {
EXPECT_EQ(output, "OM");
}
+TEST(TestStringOps, TestFindInSet) {
+ gandiva::ExecutionContext ctx;
+ uint64_t ctx_ptr = reinterpret_cast<gdv_int64>(&ctx);
+
+ EXPECT_EQ(find_in_set_utf8_utf8(ctx_ptr, "HI", 2, "HI,B,C", 6), 1);
+ EXPECT_EQ(find_in_set_utf8_utf8(ctx_ptr, "HI", 2, ",B,C,HI", 7), 4);
+ EXPECT_EQ(find_in_set_utf8_utf8(ctx_ptr, "HI", 2, ",B,HI,HI,", 9), 3);
+ EXPECT_EQ(find_in_set_utf8_utf8(ctx_ptr, "", 0, ",B,A,A,", 7), 1);
+ EXPECT_EQ(find_in_set_utf8_utf8(ctx_ptr, "HI", 1, "HI,B,C", 6), 0);
+ EXPECT_EQ(find_in_set_utf8_utf8(ctx_ptr, "", 0, "B,C,A,", 6), 4);
+ EXPECT_EQ(find_in_set_utf8_utf8(ctx_ptr, "", 0, "B,C,,A,", 6), 3);
+ EXPECT_EQ(find_in_set_utf8_utf8(ctx_ptr, "A", 1, "B,A,", 4), 2);
+ EXPECT_EQ(find_in_set_utf8_utf8(ctx_ptr, "ha", 2, "hao,mn,hc,ha,hef", 16),
4);
+ EXPECT_EQ(find_in_set_utf8_utf8(ctx_ptr, "hef", 3, "hao,mn,hc,ha,hef", 16),
5);
Review comment:
I think it would be good to add a test case in which the string that the
method will search contains a comma:
```cpp
EXPECT_EQ(find_in_set_utf8_utf8(ctx_ptr, "hao,", 2, "hao,mn,hc,ha,hef",
16), 4);
```
##########
File path: cpp/src/gandiva/tests/projector_test.cc
##########
@@ -779,6 +779,43 @@ TEST_F(TestProjector, TestModZero) {
EXPECT_ARROW_ARRAY_EQUALS(exp_mod, outputs.at(0));
}
+TEST_F(TestProjector, TestFindInSet) {
+ // schema for input fields
+ auto field0 = field("f0", arrow::utf8());
+ auto field1 = field("f1", arrow::utf8());
+ auto schema = arrow::schema({field0, field1});
+
+ // output fields
+ auto field_find = field("find_in_set", arrow::int32());
+
+ // Build expression
+ auto find_expr =
+ TreeExprBuilder::MakeExpression("find_in_set", {field0, field1},
field_find);
+
+ std::shared_ptr<Projector> projector;
+ auto status = Projector::Make(schema, {find_expr}, TestConfiguration(),
&projector);
+ EXPECT_TRUE(status.ok()) << status.message();
+
+ // Create a row-batch with some sample data
+ int num_records = 4;
+ auto array0 = MakeArrowArrayUtf8({"A", "", "Z", "A"}, {true, true, true,
true});
Review comment:
Make a test passing some of the values as null, just to ensure that the
response is null too.
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