예제 #1
0
        public void PqsqlLargeObjectTest1()
        {
            PqsqlTransaction tran = mConnection.BeginTransaction();

            PqsqlLargeObject lo = new PqsqlLargeObject(mConnection);

            uint loid = lo.Create();

            Assert.IsTrue(loid > 0);

            lo.Open(loid, LoOpen.INV_READ | LoOpen.INV_WRITE);
            Assert.AreEqual(0, lo.Position);
            Assert.IsTrue(lo.CanSeek);

            byte[] b = Encoding.ASCII.GetBytes("abc");
            lo.Write(b, 0, b.Length);
            lo.Flush();

            Assert.AreEqual(3, lo.Position);
            Assert.AreEqual(3, lo.Length);

            lo.SetLength(2);
            Assert.AreEqual(2, lo.Length);
            Assert.AreEqual(2, lo.Position);

            lo.Position = 0;
            Assert.AreEqual(0, lo.Position);

            lo.Close();

            Assert.IsTrue(lo.Unlink() >= 0);

            tran.Rollback();
        }
예제 #2
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        public void PqsqlTypeRegistryTest1()
        {
            PqsqlTransaction tran   = mConnection.BeginTransaction();
            string           old_tz = mConnection.TimeZone;

            mCmd.CommandText = "set timezone to 'Asia/Hong_Kong';" +
                               "select localtimestamp, now(), now() at time zone 'Europe/Vienna', '2016-10-01 12:00:00' at time zone 'UTC', '2016-10-01 12:00:00' at time zone 'Europe/Vienna', utc_offset from pg_timezone_names where name = current_setting('TIMEZONE');";
            mCmd.CommandType = CommandType.Text;

            PqsqlDataReader reader = mCmd.ExecuteReader();

            bool read = reader.Read();

            Assert.IsFalse(read);

            string new_tz = mConnection.TimeZone;

            Assert.AreNotEqual(old_tz, new_tz);

            bool hasnext = reader.NextResult();

            Assert.IsTrue(hasnext);

            read = reader.Read();
            Assert.IsTrue(read);

            DateTime now0 = reader.GetDateTime(0);
            DateTime now1 = reader.GetDateTime(1);
            DateTime now2 = reader.GetDateTime(2);
            DateTime now3 = reader.GetDateTime(3);
            DateTime now4 = reader.GetDateTime(4);
            TimeSpan ts   = reader.GetTimeSpan(5);

            reader.Close();

            DateTime nowutc0 = now0.ToUniversalTime();

            TimeZoneInfo tzi_from_china_pgsql = TimeZoneInfo.CreateCustomTimeZone(new_tz, ts, new_tz, new_tz);

#if WIN32
            var tz = "China Standard Time";
#else
            var tz = "Asia/Shanghai";
#endif
            TimeZoneInfo tzi_from_china_sys = TimeZoneInfo.FindSystemTimeZoneById(tz);

            TimeSpan       china_off = tzi_from_china_sys.GetUtcOffset(nowutc0);
            TimeSpan       local_off = TimeZoneInfo.Local.GetUtcOffset(nowutc0);
            DateTimeOffset nowlocal0 = (nowutc0 + local_off - china_off).ToLocalTime();

            DateTimeOffset dto_from_pgsql_to_sys       = TimeZoneInfo.ConvertTime(now0, tzi_from_china_pgsql, tzi_from_china_sys);
            DateTimeOffset dto_from_pgsql_to_localtime = TimeZoneInfo.ConvertTime(now0, tzi_from_china_pgsql, TimeZoneInfo.Local);

            Assert.AreEqual(nowutc0, dto_from_pgsql_to_sys);
            Assert.AreEqual(nowlocal0, dto_from_pgsql_to_localtime);

            tran.Rollback();
        }
예제 #3
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        public void PqsqlCopyFromTest1()
        {
            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo ( a int2, b int4, c int8 )";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(0, affected);

            PqsqlCopyFrom copy = new PqsqlCopyFrom(mConnection)
            {
                Table       = "foo",
                ColumnList  = "c,a,b",
                CopyTimeout = 10
            };

            copy.Start();

            for (short i = 9; i >= 0; i--)
            {
                copy.WriteInt8(i);
                copy.WriteInt2(i);
                copy.WriteInt4(i);
            }

            copy.End();

            copy.Close();

            mCmd.CommandText = "foo";
            mCmd.CommandType = CommandType.TableDirect;

            int value = 9;

            foreach (IDataRecord rec in mCmd.ExecuteReader())
            {
                object[] o = new object[3];
                rec.GetValues(o);

                Assert.IsInstanceOfType(o[0], typeof(short));
                Assert.AreEqual((short)value, o[0]);
                Assert.IsInstanceOfType(o[1], typeof(int));
                Assert.AreEqual(value, o[1]);
                Assert.IsInstanceOfType(o[2], typeof(long));
                Assert.AreEqual((long)value, o[2]);

                value--;
            }

            Assert.AreEqual(-1, value);

            tran.Rollback();
        }
        public void PqsqlCommandBuilderTest3()
        {
            using (PqsqlConnection connection = new PqsqlConnection(connectionString))
                using (PqsqlCommand command = connection.CreateCommand())
                {
                    PqsqlTransaction transaction = connection.BeginTransaction();
                    command.Transaction = transaction;
                    command.CommandText = "create temp table temptab (c0 int4 primary key, c1 float8)";
                    command.CommandType = CommandType.Text;
                    command.ExecuteNonQuery();
                    transaction.Commit();             // temp table must be visible in the next transaction

                    transaction = connection.BeginTransaction();

                    PqsqlDataAdapter adapter = new PqsqlDataAdapter("select * from temptab", connection)
                    {
                        SelectCommand =
                        {
                            Transaction = transaction
                        }
                    };
                    PqsqlCommandBuilder builder = new PqsqlCommandBuilder(adapter);

                    // INSERT INTO "postgres"."pg_temp_2"."temptab" ("c0", "c1") VALUES (:p1, :p2)
                    PqsqlCommand inserter = builder.GetInsertCommand();
                    inserter.Parameters["p1"].Value = 1;
                    inserter.Parameters["p2"].Value = 2.1;
                    int inserted = inserter.ExecuteNonQuery();
                    Assert.AreEqual(1, inserted);

                    // UPDATE "postgres"."pg_temp_2"."temptab"
                    // SET "c0" = :p1, "c1" = :p2
                    // WHERE (("c0" = :p3) AND ((:p4 = 1 AND "c1" IS NULL) OR ("c1" = :p5)))
                    PqsqlCommand updater = builder.GetUpdateCommand();
                    updater.Parameters["p1"].Value = 2;
                    updater.Parameters["p2"].Value = 2.2;
                    updater.Parameters["p3"].Value = 1;
                    updater.Parameters["p4"].Value = 0;
                    updater.Parameters["p5"].Value = 2.1;
                    int updated = updater.ExecuteNonQuery();
                    Assert.AreEqual(1, updated);

                    // DELETE FROM "postgres"."pg_temp_2"."temptab"
                    // WHERE (("c0" = :p1) AND ((:p2 = 1 AND "c1" IS NULL) OR ("c1" = :p3)))
                    PqsqlCommand deleter = builder.GetDeleteCommand();
                    deleter.Parameters["p1"].Value = 2;
                    deleter.Parameters["p2"].Value = 0;
                    deleter.Parameters["p3"].Value = 2.2;
                    int deleted = deleter.ExecuteNonQuery();
                    Assert.AreEqual(1, deleted);

                    transaction.Rollback();
                }
        }
        public void PqsqlCommandBuilderTest2()
        {
            using (PqsqlConnection connection = new PqsqlConnection(connectionString))
                using (PqsqlCommand command = connection.CreateCommand())
                {
                    PqsqlTransaction transaction = connection.BeginTransaction();
                    command.Transaction = transaction;
                    command.CommandText = "create temp table temptab (c0 int4 primary key, c1 float8)";
                    command.CommandType = CommandType.Text;
                    command.ExecuteNonQuery();
                    transaction.Commit();             // temp table must be visible in the next transaction

                    transaction = connection.BeginTransaction();

                    PqsqlDataAdapter adapter = new PqsqlDataAdapter("select * from temptab", connection)
                    {
                        SelectCommand =
                        {
                            Transaction = transaction
                        },
                    };

                    adapter.RowUpdated += Adapter_RowUpdated;

                    PqsqlCommandBuilder builder = new PqsqlCommandBuilder(adapter);

                    DataSet ds = new DataSet();
                    adapter.FillSchema(ds, SchemaType.Source);
                    adapter.Fill(ds, "temptab");

                    DataTable temptab = ds.Tables["temptab"];
                    DataRow   row     = temptab.NewRow();
                    row["c0"] = 123;
                    row["c1"] = 1.23;
                    temptab.Rows.Add(row);

                    adapter.Update(ds, "temptab");

                    command.CommandText = "select * from temptab";
                    command.CommandType = CommandType.Text;

                    using (PqsqlDataReader reader = command.ExecuteReader())
                    {
                        while (reader.Read())
                        {
                            Assert.AreEqual(123, reader.GetInt32(0));
                            Assert.AreEqual(1.23, reader.GetDouble(1));
                        }
                    }

                    transaction.Rollback();
                }
        }
예제 #6
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        public void PqsqlCopyToTest14()
        {
            const int len = 1;

            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a int4, b text, c text); " +
                               "insert into foo values (2, 'hallo pqsql 2', null);";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(len, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Table               = "foo",
                CopyTimeout         = 10,
                SuppressSchemaQuery = true,
            };

            copy.Start();

            var res = copy.FetchRow();

            Assert.IsTrue(res);

            try
            {
                copy.ReadBoolean();
            }
            catch (InvalidOperationException) {}

            // try again with correct reader
            var a0 = copy.ReadInt4();

            Assert.AreEqual(2, a0);

            var b0 = copy.ReadString();

            Assert.AreEqual("hallo pqsql 2", b0);

            var c0 = copy.IsNull();

            Assert.IsTrue(c0);

            res = copy.FetchRow();
            Assert.IsFalse(res);
            copy.Close();
            tran.Rollback();
        }
예제 #7
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        public void PqsqlCopyToTest1()
        {
            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a int4, b int4, c int4); " +
                               "insert into foo values (1, 2, 3); " +
                               "insert into foo values (4, 5, 6); ";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(2, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Table       = "foo",
                ColumnList  = "c,a,b",
                CopyTimeout = 10,
            };

            copy.Start();

            var i = 0;

            while (copy.FetchRow())
            {
                var c = copy.ReadInt4();
                var a = copy.ReadInt4();
                var b = copy.ReadInt4();

                if (i == 0)
                {
                    Assert.AreEqual(1, a);
                    Assert.AreEqual(2, b);
                    Assert.AreEqual(3, c);
                }
                else if (i == 1)
                {
                    Assert.AreEqual(4, a);
                    Assert.AreEqual(5, b);
                    Assert.AreEqual(6, c);
                }

                i++;
            }

            copy.Close();
            tran.Rollback();
        }
예제 #8
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        public void PqsqlConnectionTest5()
        {
            PqsqlConnection connection = new PqsqlConnection(connectionString);

            connection.Open();
            Assert.AreEqual(ConnectionState.Open, connection.State, "wrong connection state");

            PqsqlTransaction trans = connection.BeginTransaction();

            Assert.AreEqual(IsolationLevel.ReadCommitted, trans.IsolationLevel, "wrong transaction isolation level");

            trans.Rollback();
            connection.Close();
            Assert.AreEqual(ConnectionState.Closed, connection.State, "wrong connection state");
        }
예제 #9
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        public void PqsqlCommandTest8()
        {
            PqsqlTransaction t = mConnection.BeginTransaction();

            PqsqlCommand cmd = mConnection.CreateCommand();

            cmd.Transaction    = t;
            cmd.CommandText    = " ; create temp table temptab (c0 int4); ; insert into temptab values (1); insert into temptab values (2); insert into temptab values (3);";
            cmd.CommandTimeout = 10;
            cmd.CommandType    = CommandType.Text;

            int n = cmd.ExecuteNonQuery();

            t.Rollback();

            Assert.AreEqual(3, n);
        }
예제 #10
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        public void PqsqlCommandTest7()
        {
            PqsqlTransaction t = mConnection.BeginTransaction();

            PqsqlCommand cmd = mConnection.CreateCommand();

            cmd.Transaction    = t;
            cmd.CommandText    = "create temp table temptab (c0 int4 primary key, c1 float8); insert into temptab values (1,1.0); insert into temptab values (2,2.0); update temptab set c1 = 3.0 where c0 = 2;";
            cmd.CommandTimeout = 10;
            cmd.CommandType    = CommandType.Text;

            int n = cmd.ExecuteNonQuery();

            t.Rollback();

            Assert.AreEqual(3, n);
        }
예제 #11
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        public void PqsqlCopyToTest10()
        {
            const int len = 2;

            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a bytea); " +
                               "insert into foo values (null); " +
                               "insert into foo values ('\\x707173716C'); ";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(len, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Table       = "foo",
                ColumnList  = "a",
                CopyTimeout = 10,
            };

            copy.Start();

            var res = copy.FetchRow();

            Assert.IsTrue(res);

            var a0 = copy.ReadRaw();

            Assert.IsNull(a0);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a1 = copy.ReadRaw();

            CollectionAssert.AreEqual(new byte[] { 0x70, 0x71, 0x73, 0x71, 0x6C }, a1);

            res = copy.FetchRow();
            Assert.IsFalse(res);
            copy.Close();
            tran.Rollback();
        }
예제 #12
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        public void PqsqlCommandBuilderTest4()
        {
            using (PqsqlConnection connection = new PqsqlConnection(connectionString))
                using (PqsqlCommand command = connection.CreateCommand())
                {
                    PqsqlTransaction transaction = connection.BeginTransaction();
                    command.Transaction = transaction;
                    command.CommandText = "create temp table temptab (c0 int4 primary key, c1 float8, c2 timestamp);";
                    command.CommandType = CommandType.Text;
                    command.ExecuteNonQuery();
                    transaction.Commit();             // temp table must be visible in the next transaction

                    transaction = connection.BeginTransaction();

                    PqsqlDataAdapter adapter = new PqsqlDataAdapter("select * from temptab", connection)
                    {
                        SelectCommand =
                        {
                            Transaction = transaction
                        },
                    };

                    adapter.RowUpdated += Adapter_RowUpdated;

                    PqsqlCommandBuilder builder = new PqsqlCommandBuilder(adapter);

                    DataTableMapping mapping = adapter.TableMappings.Add("Table", "temptab");
                    mapping.ColumnMappings.Add("c0", "id");
                    mapping.ColumnMappings.Add("c2", "time");

                    DataSet ds = new DataSet();
                    adapter.FillSchema(ds, SchemaType.Mapped);
                    adapter.Fill(ds);

                    DataTable tab = ds.Tables[0];

                    Assert.AreEqual("id", tab.Columns[0].ColumnName);
                    Assert.AreEqual("c1", tab.Columns[1].ColumnName);
                    Assert.AreEqual("time", tab.Columns[2].ColumnName);

                    transaction.Rollback();
                }
        }
예제 #13
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        public void PqsqlCopyToTest11()
        {
            const int len = 1;

            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a text); " +
                               "insert into foo values ('hallo pqsql');";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(len, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Table       = "foo",
                ColumnList  = "a",
                CopyTimeout = 10,
            };

            copy.Start();

            var res = copy.FetchRow();

            Assert.IsTrue(res);

            var a0 = copy.ReadString();

            Assert.AreEqual("hallo pqsql", a0);

            res = copy.FetchRow();
            Assert.IsFalse(res);
            copy.Close();
            tran.Rollback();
        }
예제 #14
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        public void PqsqlCopyFromTest2()
        {
            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText    = "CREATE TEMP TABLE temp (id int4, val int4, txt text)";
            mCmd.CommandTimeout = 200;
            mCmd.CommandType    = CommandType.Text;

            const int    upperbound = 2000000;
            const string text       = "text value with ü and ä ";

            int q = mCmd.ExecuteNonQuery();

            Assert.AreEqual(0, q);

            PqsqlCopyFrom copy = new PqsqlCopyFrom(mConnection)
            {
                Table       = "temp",
                CopyTimeout = 30
            };

            copy.Start();

            for (int i = 0; i < upperbound; i++)
            {
                int j = copy.WriteInt4(i);
                Assert.AreEqual(4, j);

                j = copy.WriteInt4(i);
                Assert.AreEqual(4, j);

                j = copy.WriteText(text + i);
                Assert.AreEqual(Encoding.UTF8.GetByteCount(text + i), j); // length without nul byte
            }
            copy.WriteNull();                                             // id
            copy.WriteNull();                                             // val
            copy.WriteNull();                                             // txt
            copy.End();
            copy.Close();

            mCmd.CommandText    = "select * from temp";
            mCmd.CommandTimeout = 30;
            mCmd.CommandType    = CommandType.Text;

            PqsqlDataReader r = mCmd.ExecuteReader();

            int n = 0;
            int k = 0;

            while (r.Read())
            {
                if (n++ == upperbound)
                {
                    Assert.IsTrue(r.IsDBNull(0));
                    Assert.IsTrue(r.IsDBNull(1));
                    Assert.IsTrue(r.IsDBNull(2));
                }
                else
                {
                    Assert.AreEqual(k, r.GetInt32(0));
                    Assert.AreEqual(k, r.GetInt32(1));
                    Assert.AreEqual(text + k, r.GetString(2));
                    k++;
                }
            }

            Assert.AreEqual(upperbound + 1, n);

            r.Close();

            tran.Rollback();
        }
예제 #15
0
        public void PqsqlCommandTest6()
        {
            PqsqlTransaction t = mConnection.BeginTransaction();

            PqsqlCommand cmd = mConnection.CreateCommand();

            cmd.Transaction    = t;
            cmd.CommandText    = "create or replace function pg_temp.test_out(p1 out text, i1 inout int, p2 out int, r inout refcursor) as $$begin $1 := 'p1 text'; $2:=$2*-4711; $3:=12345; open r for select * from ( values (1,2,3),(4,5,6),(7,8,9) ) X; end;$$ LANGUAGE plpgsql;";
            cmd.CommandTimeout = 10;
            cmd.CommandType    = CommandType.Text;

            int n = cmd.ExecuteNonQuery();

            Assert.AreEqual(0, n);

            PqsqlParameter p1 = new PqsqlParameter("p1", DbType.String)
            {
                Direction = ParameterDirection.Output,
                Value     = "p1_val"
            };

            const int      p2_val = 4711;
            PqsqlParameter p2     = new PqsqlParameter("i1", DbType.Int32, (object)p2_val)
            {
                Direction = ParameterDirection.InputOutput,
            };

            PqsqlParameter p3 = new PqsqlParameter("p2", DbType.Int32)
            {
                Direction = ParameterDirection.Output,
                Value     = 42
            };

            const string   p4_val = "portal_name";
            PqsqlParameter p4     = new PqsqlParameter
            {
                ParameterName = "r",
                PqsqlDbType   = PqsqlDbType.Refcursor,
                Direction     = ParameterDirection.InputOutput,
                Value         = p4_val
            };

            cmd.CommandText = "pg_temp.test_out";
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.Add(p1);
            cmd.Parameters.Add(p2);
            cmd.Parameters.Add(p3);
            cmd.Parameters.Add(p4);

            n = cmd.ExecuteNonQuery();
            Assert.AreEqual(-1, n);
            Assert.AreEqual("p1 text", p1.Value);
            Assert.AreEqual(p2_val * -p2_val, p2.Value);
            Assert.AreEqual(12345, p3.Value);
            Assert.AreEqual(p4_val, p4.Value);

            cmd.CommandText = string.Format("fetch all from {0}", p4.Value);
            cmd.CommandType = CommandType.Text;

            PqsqlDataReader r = cmd.ExecuteReader();

            int i = 1;

            while (r.Read())
            {
                Assert.AreEqual(i++, r.GetValue(0));
                Assert.AreEqual(i++, r.GetValue(1));
                Assert.AreEqual(i++, r.GetValue(2));
            }

            t.Rollback();
        }
예제 #16
0
        public void PqsqlCopyToTest7()
        {
            const int len = 5;

            var timeMinValue = DateTime.UnixEpoch;
            var timeMaxValue = DateTime.UnixEpoch.AddDays(1);

            var timeTzMinValue = new DateTimeOffset(1970, 1, 1, 0, 0, 0, new TimeSpan(14, 0, 0));
            var timeTzMaxValue = new DateTimeOffset(1970, 1, 2, 0, 0, 0, new TimeSpan(-14, 0, 0));

            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a time, b timetz); " +
                               "insert into foo values (null, null); " +
                               "insert into foo values ('00:00:00', '00:00:00+14'); " +
                               "insert into foo values ('24:00:00', '24:00:00-14'); " +
                               "insert into foo values (null, '00:00:00+14:01'); " +
                               "insert into foo values (null, '24:00:00-14:01'); ";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(len, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Table       = "foo",
                ColumnList  = "a,b",
                CopyTimeout = 10,
            };

            copy.Start();

            var res = copy.FetchRow();

            Assert.IsTrue(res);

            var a0 = copy.ReadTime();

            Assert.AreEqual(DateTime.MinValue, a0);

            var b0 = copy.ReadTimeTZ();

            Assert.AreEqual(DateTimeOffset.MinValue, b0);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a1 = copy.ReadTime();

            Assert.AreEqual(timeMinValue, a1);

            var b1 = copy.ReadTimeTZ();

            Assert.AreEqual(timeTzMinValue, b1);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a2 = copy.ReadTime();

            Assert.AreEqual(timeMaxValue, a2);

            var b2 = copy.ReadTimeTZ();

            Assert.AreEqual(timeTzMaxValue, b2);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            // a3
            copy.ReadTime();

            try
            {
                // b3 '00:00:00+14:01'
                copy.ReadTimeTZ();
                Assert.Fail();
            }
            catch (ArgumentOutOfRangeException) {}


            res = copy.FetchRow();
            Assert.IsTrue(res);

            // a4
            copy.ReadTime();

            try
            {
                // b4 '24:00:00-14:01'
                copy.ReadTimeTZ();
                Assert.Fail();
            }
            catch (ArgumentOutOfRangeException) {}

            res = copy.FetchRow();
            Assert.IsFalse(res);
            copy.Close();
            tran.Rollback();
        }
예제 #17
0
        public void PqsqlCopyToTest4()
        {
            const int len = 3;

            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a int2, b int4, c int8); " +
                               "insert into foo values (null, null, null); " +
                               "insert into foo values (-32768, -2147483648, -9223372036854775808); " +
                               "insert into foo values (32767, 2147483647, 9223372036854775807); ";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(len, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Table       = "foo",
                ColumnList  = "a,b,c",
                CopyTimeout = 10,
            };

            copy.Start();

            var res = copy.FetchRow();

            Assert.IsTrue(res);

            var a0 = copy.ReadInt2();

            Assert.AreEqual(0, a0);

            var b0 = copy.ReadInt4();

            Assert.AreEqual(0, b0);

            var c0 = copy.ReadInt8();

            Assert.AreEqual(0, c0);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a1 = copy.ReadInt2();

            Assert.AreEqual(short.MinValue, a1);

            var b1 = copy.ReadInt4();

            Assert.AreEqual(int.MinValue, b1);

            var c1 = copy.ReadInt8();

            Assert.AreEqual(long.MinValue, c1);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a2 = copy.ReadInt2();

            Assert.AreEqual(short.MaxValue, a2);

            var b2 = copy.ReadInt4();

            Assert.AreEqual(int.MaxValue, b2);

            var c2 = copy.ReadInt8();

            Assert.AreEqual(long.MaxValue, c2);


            res = copy.FetchRow();
            Assert.IsFalse(res);
            copy.Close();
            tran.Rollback();
        }
예제 #18
0
        public void PqsqlCopyToTest5()
        {
            const int len = 3;

            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a float4, b float8); " +
                               "insert into foo values (null, null); " +
                               "insert into foo values (-3.40282347E+38, -1.7976931348623157E+308); " +
                               "insert into foo values (3.40282347E+38, 1.7976931348623157E+308); ";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(len, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Table       = "foo",
                ColumnList  = "a,b",
                CopyTimeout = 10,
            };

            copy.Start();

            var res = copy.FetchRow();

            Assert.IsTrue(res);

            var a0 = copy.ReadFloat4();

            Assert.AreEqual(0, a0);

            var b0 = copy.ReadFloat8();

            Assert.AreEqual(0, b0);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a1 = copy.ReadFloat4();

            Assert.AreEqual(float.MinValue, a1);

            var b1 = copy.ReadFloat8();

            Assert.AreEqual(double.MinValue, b1);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a2 = copy.ReadFloat4();

            Assert.AreEqual(float.MaxValue, a2);

            var b2 = copy.ReadFloat8();

            Assert.AreEqual(double.MaxValue, b2);


            res = copy.FetchRow();
            Assert.IsFalse(res);
            copy.Close();
            tran.Rollback();
        }
예제 #19
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        public void PqsqlCopyToTest8()
        {
            const int len = 8;

            var dateMaxValue = DateTime.MaxValue.Date;

            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a date); " +
                               "insert into foo values (null); " +
                               "insert into foo values ('0001-01-01'); " +
                               "insert into foo values ('1970-01-01'); " +
                               "insert into foo values ('9999-12-31'); " +
                               "insert into foo values ('31 December, 1 BC'); " +
                               "insert into foo values ('10000-01-01'); " +
                               "insert into foo values ('-infinity'); " +
                               "insert into foo values ('infinity'); ";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(len, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Table       = "foo",
                ColumnList  = "a",
                CopyTimeout = 10,
            };

            copy.Start();

            var res = copy.FetchRow();

            Assert.IsTrue(res);

            var a0 = copy.ReadDate();

            Assert.AreEqual(DateTime.MinValue, a0);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a1 = copy.ReadDate();

            Assert.AreEqual(DateTime.MinValue, a1);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a2 = copy.ReadDate();

            Assert.AreEqual(DateTime.UnixEpoch, a2);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a3 = copy.ReadDate();

            Assert.AreEqual(dateMaxValue, a3);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            try
            {
                // a4 '31 December, 1 BC'
                copy.ReadDate();
                Assert.Fail();
            }
            catch (ArgumentOutOfRangeException) {}


            res = copy.FetchRow();
            Assert.IsTrue(res);

            try
            {
                // a5 '10000-01-01'
                copy.ReadDate();
                Assert.Fail();
            }
            catch (ArgumentOutOfRangeException) {}


            res = copy.FetchRow();
            Assert.IsTrue(res);

            try
            {
                // a6 '-infinity'
                copy.ReadDate();
                Assert.Fail();
            }
            catch (ArgumentOutOfRangeException) {}


            res = copy.FetchRow();
            Assert.IsTrue(res);

            try
            {
                // a7 'infinity'
                copy.ReadDate();
                Assert.Fail();
            }
            catch (ArgumentOutOfRangeException) {}

            res = copy.FetchRow();
            Assert.IsFalse(res);
            copy.Close();
            tran.Rollback();
        }
예제 #20
0
        public void PqsqlCommandTest9()
        {
            PqsqlTransaction t = mConnection.BeginTransaction();

            PqsqlCommand cmd = mConnection.CreateCommand();

            cmd.Transaction    = t;
            cmd.CommandText    = @"create or replace function ""pg_temp"".""test me""(i int) returns int as $code$ begin return $1 * i; end; $code$ language plpgsql;
								select ""pg_temp"".""test me""(:p1);
								select ""pg_temp"".""test me""($1)"                                ;
            cmd.CommandTimeout = 2;
            cmd.CommandType    = CommandType.Text;
            cmd.Parameters.AddWithValue("p1", 4711);

            using (PqsqlDataReader r = cmd.ExecuteReader())
            {
                bool good = r.Read();
                Assert.IsFalse(good);

                good = r.NextResult();
                Assert.IsTrue(good);

                good = r.Read();
                Assert.IsTrue(good);

                int n = r.GetInt32(0);
                Assert.AreEqual(4711 * 4711, n);

                good = r.Read();
                Assert.IsFalse(good);

                good = r.NextResult();
                Assert.IsTrue(good);

                good = r.Read();
                Assert.IsTrue(good);

                n = r.GetInt32(0);
                Assert.AreEqual(4711 * 4711, n);

                good = r.Read();
                Assert.IsFalse(good);
            }

            cmd.CommandText = "\"pg_temp\".\"test me\"";
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.Clear();
            cmd.Parameters.AddWithValue("i", 4711);
            cmd.Parameters.Add(new PqsqlParameter
            {
                ParameterName = "\"pg_temp\".\"test me\"",
                DbType        = DbType.Int32,
                Direction     = ParameterDirection.Output
            });

            object x = cmd.ExecuteScalar();

            Assert.AreEqual(4711 * 4711, x);

            t.Rollback();
        }
예제 #21
0
        public void PqsqlCopyToTest2()
        {
            const int len = 1;

            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a int4, b int4, c int4); " +
                               "insert into foo values (null, 2, 3); ";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(len, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Table       = "foo",
                ColumnList  = "c,a,b",
                CopyTimeout = 10,
            };

            copy.Start();

            var results = new int?[len];

            while (copy.FetchRow())
            {
                for (int i = 0; i < len; i++)
                {
                    int?result;
                    if (copy.IsNull())
                    {
                        result = null;
                    }
                    else
                    {
                        result = copy.ReadInt4();
                    }

                    if (i == 0)
                    {
                        // c
                        Assert.IsTrue(result.HasValue);
                        Assert.AreEqual(3, result.Value);
                    }
                    else if (i == 1)
                    {
                        // a
                        Assert.IsFalse(result.HasValue);
                    }
                    else if (i == 2)
                    {
                        // b
                        Assert.IsTrue(result.HasValue);
                        Assert.AreEqual(2, result.Value);
                    }
                }
            }

            copy.Close();
            tran.Rollback();
        }
예제 #22
0
        public void PqsqlCopyToTest9()
        {
            const int len = 5;

            // the last 8 ticks (800 nanoseconds) of MinValue can not be stored in postgres' interval type, because of
            // its resolution to milliseconds.
            var intervalMinValue = new TimeSpan(TimeSpan.MinValue.Ticks + 8);

            // the last 7 ticks (700 nanoseconds) of MaxValue can not be stored in postgres' interval type, because of
            // its resolution to milliseconds.
            var intervalMaxValue = new TimeSpan(TimeSpan.MaxValue.Ticks - 7);

            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a interval); " +
                               "insert into foo values (null); " +
                               "insert into foo values ('10675199 02:48:05.477580 ago'); " +
                               "insert into foo values ('10675199 02:48:05.477580'); " +
                               "insert into foo values ('10675199 02:48:05.477581 ago'); " +
                               "insert into foo values ('10675199 02:48:05.477581'); ";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(len, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Table       = "foo",
                ColumnList  = "a",
                CopyTimeout = 10,
            };

            copy.Start();

            var res = copy.FetchRow();

            Assert.IsTrue(res);

            var a0 = copy.ReadInterval();

            Assert.AreEqual(TimeSpan.MinValue, a0);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a1 = copy.ReadInterval();

            Assert.AreEqual(intervalMinValue, a1);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a2 = copy.ReadInterval();

            Assert.AreEqual(intervalMaxValue, a2);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            try
            {
                // a3 '10675199 02:48:05.477581 ago'
                var a3 = copy.ReadInterval();
                Assert.Fail();
            }
            catch (ArgumentOutOfRangeException) {}


            res = copy.FetchRow();
            Assert.IsTrue(res);

            try
            {
                // a4 '10675199 02:48:05.477581'
                copy.ReadInterval();
                Assert.Fail();
            }
            catch (ArgumentOutOfRangeException) {}

            res = copy.FetchRow();
            Assert.IsFalse(res);
            copy.Close();
            tran.Rollback();
        }
예제 #23
0
        public void PqsqlCopyToTest3()
        {
            const int len = 1;

            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a int2, b int4, c int8, d boolean, e boolean, f float4, " +
                               "g float8, h text, i timestamp, j time, k timetz, l timetz, m date, n interval); " +
                               "insert into foo values (5, 1000001, 42949672950, true, false, 3.14, 3.14, 'hallo 1', " +
                               "TIMESTAMP '1999-01-08 04:05:06', '04:05:06.789', '04:05:06-08:00', '04:05:06+08:00', " +
                               "'1999-01-08', '3 4:05:06');";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(len, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Table       = "foo",
                ColumnList  = "a,b,c,d,e,f,g,h,i,j,k,l,m,n",
                CopyTimeout = 10,
            };

            copy.Start();

            while (copy.FetchRow())
            {
                var a = copy.ReadInt2();
                Assert.AreEqual(5, a);

                var b = copy.ReadInt4();
                Assert.AreEqual(1000001, b);

                var c = copy.ReadInt8();
                Assert.AreEqual(42949672950, c);

                var d = copy.ReadBoolean();
                Assert.IsTrue(d);

                var e = copy.ReadBoolean();
                Assert.IsFalse(e);

                var f = copy.ReadFloat4();
                Assert.AreEqual(3.14, f, 0.00001);

                var g = copy.ReadFloat8();
                Assert.AreEqual(3.14, g, 0.00001);

                var h = copy.ReadString();
                Assert.AreEqual("hallo 1", h);

                var i = copy.ReadTimestamp();
                Assert.AreEqual(new DateTime(1999, 1, 8, 4, 5, 6), i);

                var j = copy.ReadTime();
                Assert.AreEqual(new DateTime(1970, 1, 1, 4, 5, 6, 789), j);

                var k = copy.ReadTimeTZ();
                Assert.AreEqual(new DateTimeOffset(1970, 1, 1, 4, 5, 6, 0, new TimeSpan(-8, 0, 0)), k);

                var l = copy.ReadTimeTZ();
                Assert.AreEqual(new DateTimeOffset(1970, 1, 1, 4, 5, 6, 0, new TimeSpan(8, 0, 0)), l);

                var m = copy.ReadDate();
                Assert.AreEqual(new DateTime(1999, 1, 8), m);

                var n = copy.ReadInterval();
                Assert.AreEqual(new TimeSpan(3, 4, 5, 6), n);
            }

            copy.Close();
            tran.Rollback();
        }
예제 #24
0
        public void PqsqlCopyFromTest3()
        {
            PqsqlTransaction t = mConnection.BeginTransaction();

            PqsqlCommand cmd = mConnection.CreateCommand();

            cmd.Transaction    = t;
            cmd.CommandText    = "CREATE TEMP TABLE testcopy (c0 int2, c1 int4, c2 int8, c3 bool, c4 text, c5 float4, c6 float8, c7 timestamp, c8 interval, c9 numeric, c10 date, c11 time, c12 timetz);";
            cmd.CommandTimeout = 100;
            cmd.CommandType    = CommandType.Text;

            cmd.ExecuteNonQuery();

            PqsqlCopyFrom copy = new PqsqlCopyFrom(mConnection)
            {
                Table       = "testcopy",
                ColumnList  = "c0,c1,c2,c3,c4,c5,c6,c7,c8,c9,c10,c11,c12",
                CopyTimeout = 5
            };

            copy.Start();

            DateTime now  = new DateTime(2001, 1, 1, 1, 2, 3, DateTimeKind.Utc);
            DateTime date = DateTime.UtcNow.Date;

            TimeSpan time      = DateTime.UtcNow.TimeOfDay;
            long     timeTicks = time.Ticks;

            timeTicks = timeTicks - timeTicks % TimeSpan.TicksPerMillisecond;

            TimeSpan timetz      = DateTime.Now.TimeOfDay;
            long     timetzTicks = timetz.Ticks;

            timetzTicks = timetzTicks - timetzTicks % TimeSpan.TicksPerMillisecond;

            for (int i = 0; i < 4; i++)
            {
                copy.WriteInt2((short)i);
                copy.WriteInt4(i);
                copy.WriteInt8(i);
                copy.WriteBool(i > 0);
                copy.WriteText(Convert.ToString(i));
                copy.WriteFloat4((float)(i + 0.123));
                copy.WriteFloat8(i + 0.123);
                copy.WriteTimestamp(now.AddSeconds(i));
                copy.WriteInterval(TimeSpan.FromHours(24) + TimeSpan.FromDays(7) + TimeSpan.FromMinutes(i));
                copy.WriteNumeric((decimal)i / 10);
                copy.WriteDate(date);
                copy.WriteTime(time);
                copy.WriteTimeTZ(timetz);
            }

            copy.End();
            copy.Close();

            cmd.Transaction = t;

            cmd.CommandText = "testcopy";
            cmd.CommandType = CommandType.TableDirect;

            PqsqlDataReader r = cmd.ExecuteReader();

            Assert.AreEqual(-1, r.RecordsAffected);

            int j = 0;

            foreach (IDataRecord row in r)
            {
                Assert.AreEqual((short)j, row.GetInt16(0));
                Assert.AreEqual(j, row.GetInt32(1));
                Assert.AreEqual(j, row.GetInt64(2));
                Assert.AreEqual(j > 0, row.GetBoolean(3));
                Assert.AreEqual(Convert.ToString(j), row.GetString(4));
                Assert.AreEqual((float)(j + 0.123), row.GetFloat(5));
                Assert.AreEqual(j + 0.123, row.GetDouble(6));
                Assert.AreEqual(now.AddSeconds(j), row.GetDateTime(7));
                Assert.AreEqual(TimeSpan.FromHours(24) + TimeSpan.FromDays(7) + TimeSpan.FromMinutes(j), row.GetValue(8));
                Assert.AreEqual((double)j / 10, row.GetValue(9));
                Assert.AreEqual(date, row.GetValue(10));

                TimeSpan c11      = (TimeSpan)row.GetValue(11);
                long     c11Ticks = c11.Ticks;
                c11Ticks = c11Ticks - c11Ticks % TimeSpan.TicksPerMillisecond;

                Assert.AreEqual(timeTicks, c11Ticks);

                TimeSpan c12      = (TimeSpan)row.GetValue(12);
                long     c12Ticks = c12.Ticks;
                c12Ticks = c12Ticks - c12Ticks % TimeSpan.TicksPerMillisecond;

                Assert.AreEqual(timetzTicks, c12Ticks);

                j++;
            }

            t.Rollback();
        }
예제 #25
0
        public void PqsqlCopyToTest12()
        {
            const int len = 3;

            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a int4, b text, c text); " +
                               "insert into foo values (2, 'hallo pqsql 2', null); " +
                               "insert into foo values (1, 'hallo pqsql 1', 'asd'); " +
                               "insert into foo values (3, 'hallo pqsql 3', null);";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(len, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Query       = "select a,b from foo order by a asc; ",
                CopyTimeout = 10,
            };

            copy.Start();

            var res = copy.FetchRow();

            Assert.IsTrue(res);

            var a0 = copy.ReadInt4();

            Assert.AreEqual(1, a0);

            var b0 = copy.ReadString();

            Assert.AreEqual("hallo pqsql 1", b0);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a1 = copy.ReadInt4();

            Assert.AreEqual(2, a1);

            var b1 = copy.ReadString();

            Assert.AreEqual("hallo pqsql 2", b1);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a2 = copy.ReadInt4();

            Assert.AreEqual(3, a2);

            var b2 = copy.ReadString();

            Assert.AreEqual("hallo pqsql 3", b2);

            res = copy.FetchRow();
            Assert.IsFalse(res);
            copy.Close();
            tran.Rollback();
        }
예제 #26
0
        public void PqsqlCopyToTest6()
        {
            const int len = 8;

            // the highest representable System.DateTime tick in postgres is 9 less than
            // System.DateTime.MaxValue.Ticks, because the resolution in postgres is to the millisecond whereas
            // System.DateTime's resolution is to 100 nanoseconds. This means the last 900 nanoseconds before the year
            // 10000 cannot be represented in postgres' timestamp.
            var postgresDateTimeMaxValueTicks = DateTime.MaxValue.Ticks - 9;

            PqsqlTransaction tran = mConnection.BeginTransaction();

            mCmd.Transaction = tran;

            mCmd.CommandText = "create temporary table foo (a timestamp, b timestamptz); " +
                               "insert into foo values (null, null); " +
                               "insert into foo values ('0001-01-01 00:00:00.000000 UTC', '0001-01-01 00:00:00.000000 UTC'); " +
                               "insert into foo values ('1970-01-01 00:00:00.000000 UTC', '1970-01-01 00:00:00.000000 UTC'); " +
                               "insert into foo values ('9999-12-31 23:59:59.999999 UTC', '9999-12-31 23:59:59.999999 UTC'); " +
                               "insert into foo values ('31 December, 1 BC 23:59:59.999999', '31 December, 1 BC 23:59:59.999999'); " +
                               "insert into foo values ('10000-01-01 00:00:00.000000 UTC', '10000-01-01 00:00:00.000000 UTC'); " +
                               "insert into foo values ('-infinity', '-infinity'); " +
                               "insert into foo values ('infinity', 'infinity'); ";
            mCmd.CommandType = CommandType.Text;
            int affected = mCmd.ExecuteNonQuery();

            Assert.AreEqual(len, affected);

            var copy = new PqsqlCopyTo(mConnection)
            {
                Table       = "foo",
                ColumnList  = "a,b",
                CopyTimeout = 10,
            };

            copy.Start();

            var res = copy.FetchRow();

            Assert.IsTrue(res);

            var a0 = copy.ReadTimestamp();

            Assert.AreEqual(DateTime.MinValue, a0);

            var b0 = copy.ReadTimestamp();

            Assert.AreEqual(DateTime.MinValue, b0);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a1 = copy.ReadTimestamp();

            Assert.AreEqual(DateTime.MinValue, a1);

            var b1 = copy.ReadTimestamp();

            Assert.AreEqual(DateTime.MinValue, b1);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a2 = copy.ReadTimestamp();

            Assert.AreEqual(DateTime.UnixEpoch, a2);

            var b2 = copy.ReadTimestamp();

            Assert.AreEqual(DateTime.UnixEpoch, b2);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            var a3 = copy.ReadTimestamp();

            Assert.AreEqual(new DateTime(postgresDateTimeMaxValueTicks), a3);

            var b3 = copy.ReadTimestamp();

            Assert.AreEqual(new DateTime(postgresDateTimeMaxValueTicks), b3);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            try
            {
                // a4 '31 December, 1 BC 23:59:59.999999'
                copy.ReadTimestamp();
                Assert.Fail();
            }
            catch (ArgumentOutOfRangeException) {}

            try
            {
                // b4 '31 December, 1 BC 23:59:59.999999'
                copy.ReadTimestamp();
                Assert.Fail();
            }
            catch (ArgumentOutOfRangeException) {}


            res = copy.FetchRow();
            Assert.IsTrue(res);

            try
            {
                // a5 '10000-01-01 00:00:00.000000 UTC'
                copy.ReadTimestamp();
                Assert.Fail();
            }
            catch (ArgumentOutOfRangeException) {}

            try
            {
                // b5 '10000-01-01 00:00:00.000000 UTC'
                copy.ReadTimestamp();
                Assert.Fail();
            }
            catch (ArgumentOutOfRangeException) {}


            res = copy.FetchRow();
            Assert.IsTrue(res);

            // a6 '-infinity'
            var a6 = copy.ReadTimestamp();

            Assert.AreEqual(DateTime.MinValue, a6);

            // b6 '-infinity'
            var b6 = copy.ReadTimestamp();

            Assert.AreEqual(DateTime.MinValue, b6);


            res = copy.FetchRow();
            Assert.IsTrue(res);

            // a7 'infinity'
            var a7 = copy.ReadTimestamp();

            Assert.AreEqual(DateTime.MaxValue, a7);

            // b7 'infinity'
            var b7 = copy.ReadTimestamp();

            Assert.AreEqual(DateTime.MaxValue, b7);

            res = copy.FetchRow();
            Assert.IsFalse(res);
            copy.Close();
            tran.Rollback();
        }