Re: [PR] IGNITE-22745 DB API Driver 3: Provide wider data types support [ignite-3]

[via GitHub]

isapego commented on code in PR #4401:
URL: https://github.com/apache/ignite-3/pull/4401#discussion_r1762598849


##########
modules/platforms/python/cpp_module/type_conversion.h:
##########
@@ -85,23 +88,59 @@ static PyObject* primitive_to_pyobject(ignite::primitive 
value) {
         }
 
         case ignite_type::BYTE_ARRAY: {
-            auto &blob_val =  value.get<std::vector<std::byte>>();
+            auto &blob_val = value.get<std::vector<std::byte>>();
             return PyBytes_FromStringAndSize((const char*)blob_val.data(), 
blob_val.size());
         }
 
-        case ignite_type::UUID:
-        case ignite_type::DATE:
-        case ignite_type::TIMESTAMP:
-        case ignite_type::TIME:
-        case ignite_type::DATETIME:
-        case ignite_type::BITMASK:
-        case ignite_type::DECIMAL:
-        case ignite_type::PERIOD:
-        case ignite_type::DURATION:
-        case ignite_type::NUMBER:
+        case ignite_type::UUID: {
+            auto &uuid_val = value.get<ignite::uuid>();
+            std::byte buf[16];
+            ignite::detail::bytes::store<ignite::detail::endian::BIG>(buf, 
uuid_val.get_most_significant_bits());
+            ignite::detail::bytes::store<ignite::detail::endian::BIG>(buf + 8, 
uuid_val.get_least_significant_bits());
+            return py_create_uuid({buf, sizeof(buf)});
+        }
+
+        case ignite_type::DATE: {
+            auto &date_val = value.get<ignite::ignite_date>();
+            return py_create_date(date_val);
+        }
+
+        case ignite_type::TIME: {
+            auto &time_val = value.get<ignite::ignite_time>();
+            return py_create_time(time_val);
+        }
+
+        case ignite_type::DATETIME: {
+            auto &datetime_val = value.get<ignite::ignite_date_time>();
+            return py_create_datetime(datetime_val);
+        }
+
+        case ignite_type::TIMESTAMP: {
+            auto &timestamp_val = value.get<ignite::ignite_timestamp>();
+            auto double_val = timestamp_val.get_epoch_second() + 
timestamp_val.get_nano() * 1.0E-9;
+            return PyFloat_FromDouble(double_val);
+        }
+
+        case ignite_type::DECIMAL: {
+            auto &decimal_val = value.get<ignite::big_decimal>();
+            std::stringstream converter;
+            converter << decimal_val;
+            auto str = converter.str();
+            return py_create_number(str);
+        }
+
+        case ignite_type::DURATION: {
+            auto &duration_val = value.get<ignite::ignite_duration>();
+            return py_create_timedelta(duration_val);
+        }
+
+        case ignite_type::PERIOD:{
+            PyErr_SetString(PyExc_RuntimeError, "PERIOD data type is not 
supported");

Review Comment:
   https://issues.apache.org/jira/browse/IGNITE-23217



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