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new ea9a3244 feat(c++): Add support for the date/timestamp property types
in iter (#754)
ea9a3244 is described below
commit ea9a3244ae6164dbe622adf36b746413cf6a031f
Author: Gary <73336879+gary-cl...@users.noreply.github.com>
AuthorDate: Mon Sep 15 16:49:25 2025 +0800
feat(c++): Add support for the date/timestamp property types in iter (#754)
* feat: Add support for the date/timestamp property types in
vertexIter/edgeIter
* feat: add test for date/timestamp types
* fix: format
---
cpp/src/graphar/util.cc | 6 +++++
cpp/test/test_graph.cc | 58 +++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 64 insertions(+)
diff --git a/cpp/src/graphar/util.cc b/cpp/src/graphar/util.cc
index 7a3b1a82..0712e070 100644
--- a/cpp/src/graphar/util.cc
+++ b/cpp/src/graphar/util.cc
@@ -89,6 +89,12 @@ Result<const void*> GetArrowArrayData(
} else if (array->type()->Equals(arrow::boolean())) {
return reinterpret_cast<const void*>(
std::dynamic_pointer_cast<arrow::BooleanArray>(array).get());
+ } else if (array->type()->Equals(arrow::date32())) {
+ return reinterpret_cast<const void*>(
+ std::dynamic_pointer_cast<arrow::Date32Array>(array)->raw_values());
+ } else if (array->type()->Equals(arrow::timestamp(arrow::TimeUnit::MILLI))) {
+ return reinterpret_cast<const void*>(
+ std::dynamic_pointer_cast<arrow::TimestampArray>(array)->raw_values());
} else {
return Status::TypeError("Array type - ", array->type()->ToString(),
" is not supported yet...");
diff --git a/cpp/test/test_graph.cc b/cpp/test/test_graph.cc
index 0cd211d1..a66bf37d 100644
--- a/cpp/test/test_graph.cc
+++ b/cpp/test/test_graph.cc
@@ -298,5 +298,63 @@ TEST_CASE_METHOD(GlobalFixture, "Graph") {
REQUIRE(count == edges->size());
std::cout << "Total edge_count=" << count << std::endl;
}
+
+ SECTION("DateType") {
+ std::string path_date =
+ test_data_dir + "/ldbc_sample/parquet/ldbc_sample_date.graph.yml";
+ auto maybe_graph_info_date = GraphInfo::Load(path_date);
+ REQUIRE(maybe_graph_info_date.status().ok());
+ auto graph_info_date = maybe_graph_info_date.value();
+ std::string src_type = "person", edge_type = "knows-date",
+ dst_type = "person";
+ auto expect =
+ EdgesCollection::Make(graph_info_date, src_type, edge_type, dst_type,
+ AdjListType::ordered_by_source);
+ REQUIRE(!expect.has_error());
+ auto edges = expect.value();
+
+ // Expected values for the first ten creationDate-date entries
+ int32_t expected_dates[10] = {14820, 15442, 14909, 15182, 15141,
+ 15058, 15155, 15135, 15364, 15455};
+ size_t count = 0;
+ for (auto it = edges->begin(); it != edges->end() && count < 10;
+ ++it, ++count) {
+ auto date_val = it.property<int32_t>("creationDate-date");
+ REQUIRE(date_val.has_value());
+ REQUIRE(date_val.value() == expected_dates[count]);
+ }
+ REQUIRE(count == 10);
+ std::cout << "DateType edge_count=" << count << std::endl;
+ }
+
+ SECTION("TimestampType") {
+ std::string path_timestamp =
+ test_data_dir + "/ldbc_sample/parquet/ldbc_sample_timestamp.graph.yml";
+ auto maybe_graph_info_timestamp = GraphInfo::Load(path_timestamp);
+ REQUIRE(maybe_graph_info_timestamp.status().ok());
+ auto graph_info_timestamp = maybe_graph_info_timestamp.value();
+ std::string src_type = "person", edge_type = "knows-timestamp",
+ dst_type = "person";
+ auto expect =
+ EdgesCollection::Make(graph_info_timestamp, src_type, edge_type,
+ dst_type, AdjListType::ordered_by_source);
+ REQUIRE(!expect.has_error());
+ auto edges = expect.value();
+
+ // Expected values for the first ten creationDate-timestamp entries
+ int64_t expected_timestamps[10] = {
+ 1280503193298LL, 1334239018931LL, 1288146786288LL, 1311781394869LL,
+ 1308223719623LL, 1301064563134LL, 1309416320777LL, 1307728039432LL,
+ 1327492287348LL, 1335389465259LL};
+ size_t count = 0;
+ for (auto it = edges->begin(); it != edges->end() && count < 10;
+ ++it, ++count) {
+ auto ts_val = it.property<int64_t>("creationDate-timestamp");
+ REQUIRE(ts_val.has_value());
+ REQUIRE(ts_val.value() == expected_timestamps[count]);
+ }
+ REQUIRE(count == 10);
+ std::cout << "TimestampType edge_count=" << count << std::endl;
+ }
}
} // namespace graphar
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