Npgsql.Tests.ReaderNewSchemaTests.DataTypeName C# (CSharp) Method

        public void DataTypeName()
        {
            using (var conn = OpenConnection())
            {
                conn.ExecuteNonQuery("CREATE TEMP TABLE data (foo INTEGER)");

                using (var cmd = new NpgsqlCommand("SELECT foo,8::INTEGER FROM data", conn))
                using (var reader = cmd.ExecuteReader(CommandBehavior.SchemaOnly))
                {
                    var columns = reader.GetColumnSchema();
                    Assert.That(columns[0].DataTypeName, Is.EqualTo("int4"));
                    Assert.That(columns[1].DataTypeName, Is.EqualTo("int4"));
                }
            }
        }