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(); }
public void PqsqlTypeRegistryTest6() { Action[] actions = new Action[20]; // stress test user-defined type setup for (int i = 0; i < 20; i++) { actions[i] = () => { using (PqsqlConnection conn = new PqsqlConnection(mConnection.ConnectionString)) using (PqsqlCommand cmd = new PqsqlCommand("select 'hello world'::citext", conn)) using (PqsqlDataReader reader = cmd.ExecuteReader()) { bool read = reader.Read(); Assert.IsTrue(read); object helloWorld = reader.GetValue(0); // must access by GetValue, GetString verifies typoid Assert.AreEqual("hello world", helloWorld); read = reader.Read(); Assert.IsFalse(read); } }; } using (PqsqlCommand check = new PqsqlCommand("select oid from pg_extension where extname='citext'", mConnection)) using (PqsqlCommand create = new PqsqlCommand("create extension citext", mConnection)) using (PqsqlTransaction t = mConnection.BeginTransaction()) { object o = null; try { check.Transaction = t; o = check.ExecuteScalar(); if (o == null) { create.Transaction = t; int aff = create.ExecuteNonQuery(); Assert.AreEqual(0, aff); } t.Commit(); Parallel.Invoke(actions); } finally { if (o == null) { using (PqsqlCommand drop = new PqsqlCommand("drop extension if exists citext", mConnection)) { int aff = drop.ExecuteNonQuery(); Assert.AreEqual(0, aff); } } } } }
public void PqsqlDataReaderTest10() { mCmd.CommandText = @"select timestamp 'now', date 'now', time 'now';"; TimeSpan time = DateTime.UtcNow.TimeOfDay; using (PqsqlDataReader reader = mCmd.ExecuteReader()) { Assert.IsTrue(reader.HasRows); reader.Read(); DateTime c0 = reader.GetDateTime(0); DateTime c1 = reader.GetDateTime(1); DateTime c2 = reader.GetDateTime(2); Assert.AreEqual(DateTime.Today, c0 - c0.TimeOfDay); Assert.AreEqual(DateTime.Today, c1); // only compare hours and minutes Assert.AreEqual(time.Hours, c2.TimeOfDay.Hours); Assert.AreEqual(time.Minutes, c2.TimeOfDay.Minutes); reader.Close(); } }
public void PqsqlCommandTest2() { PqsqlCommand cmd = mConnection.CreateCommand(); cmd.CommandText = "bit_length"; cmd.CommandType = CommandType.StoredProcedure; IDbDataParameter i = cmd.CreateParameter(); i.ParameterName = "i"; i.Value = "postgres"; cmd.Parameters.Add(i); IDbDataParameter o = cmd.CreateParameter(); o.ParameterName = "bit_length"; o.Direction = ParameterDirection.Output; cmd.Parameters.Add(o); PqsqlDataReader r = cmd.ExecuteReader(); bool b = r.Read(); Assert.AreEqual(true, b); Assert.AreEqual(64, o.Value); }
// // Summary: // Executes a SQL statement against a connection object. // // Returns: // The number of rows affected. public override int ExecuteNonQuery() { PqsqlDataReader r = ExecuteReader(CommandBehavior.Default); // fill OUT and INOUT parameters with result tuple from the first row if (CommandType == CommandType.StoredProcedure) { r.Read(); // reading the first row will fill output parameters } int ra = Math.Max(-1, r.RecordsAffected); r.Consume(); // sync protocol: consume remaining rows if ((mCmdBehavior & CommandBehavior.SingleResult) == CommandBehavior.SingleResult) // only one statement available { return(ra); } // we have more than one statement while (r.NextResult()) { int n = r.RecordsAffected; // accumulate positive RecordsAffected for each UPDATE / DELETE / INSERT / CREATE * / ... statement if (n >= 0) { if (ra < 0) { ra = n; } else // ra >= 0 { ra += n; } } r.Consume(); // sync protocol: consume remaining rows } int last = r.RecordsAffected; // accumulate positive RecordsAffected for each UPDATE / DELETE / INSERT / CREATE * / ... statement if (last >= 0) { if (ra < 0) { ra = last; } else // ra >= 0 { ra += last; } } r.Consume(); // sync protocol: consume remaining rows return(ra); }
public void PqsqlTypeRegistryTest2() { mCmd.CommandText = "select localtimestamp, now()::timestamp, now(), now() at time zone 'UTC', '1999-01-01 00:00:00'::timestamp at time zone 'UTC', '2000-07-01 00:00:00'::timestamp at time zone 'Europe/Vienna'"; mCmd.CommandType = CommandType.Text; PqsqlDataReader reader = mCmd.ExecuteReader(); bool read = reader.Read(); Assert.IsTrue(read); DateTime localtimestamp0 = reader.GetDateTime(0); DateTimeOffset localtimestampoff0 = reader.GetDateTimeOffset(0); DateTime nownotz1 = reader.GetDateTime(1); DateTimeOffset nownotzoff1 = reader.GetDateTimeOffset(1); DateTime nowtz2 = reader.GetDateTime(2); DateTimeOffset nowtzoff2 = reader.GetDateTimeOffset(2); DateTime nowutc3 = reader.GetDateTime(3); DateTimeOffset nowutcoff3 = reader.GetDateTimeOffset(3); DateTime ts19990101000000_4 = reader.GetDateTime(4); DateTimeOffset ts19990101000000_off4 = reader.GetDateTimeOffset(4); DateTime ts20000701000000_5 = reader.GetDateTime(5); DateTimeOffset ts20000701000000_off5 = reader.GetDateTimeOffset(5); DateTimeOffset off0 = TimeZoneInfo.ConvertTime(new DateTimeOffset(localtimestamp0.Ticks, TimeSpan.Zero), TimeZoneInfo.Local); DateTimeOffset off1 = TimeZoneInfo.ConvertTime(new DateTimeOffset(nownotz1.Ticks, TimeSpan.Zero), TimeZoneInfo.Local); DateTimeOffset off2 = TimeZoneInfo.ConvertTime(new DateTimeOffset(nowtz2.Ticks, TimeSpan.Zero), TimeZoneInfo.Local); DateTimeOffset off3 = TimeZoneInfo.ConvertTime(new DateTimeOffset(nowutc3.Ticks, TimeSpan.Zero), TimeZoneInfo.Local); DateTimeOffset off4 = TimeZoneInfo.ConvertTime(new DateTimeOffset(ts19990101000000_4.Ticks, TimeSpan.Zero), TimeZoneInfo.Local); DateTimeOffset off5 = TimeZoneInfo.ConvertTime(new DateTimeOffset(ts20000701000000_5.Ticks, TimeSpan.Zero), TimeZoneInfo.Local); Assert.AreEqual(localtimestampoff0, off0); Assert.AreEqual(nownotzoff1, off1); Assert.AreEqual(nowtzoff2, off2); Assert.AreEqual(nowutcoff3, off3); Assert.AreEqual(ts19990101000000_off4, off4); Assert.AreEqual(ts20000701000000_off5, off5); read = reader.Read(); Assert.IsFalse(read); }
public void PqsqlTypeRegistryTest3() { mCmd.CommandText = "select 'YES'::information_schema.yes_or_no;"; mCmd.CommandType = CommandType.Text; PqsqlDataReader reader = mCmd.ExecuteReader(); bool read = reader.Read(); Assert.IsTrue(read); string yes = reader.GetString(0); Assert.AreEqual("YES", yes); read = reader.Read(); Assert.IsFalse(read); }
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(); } }
public void PqsqlCommandTest1() { PqsqlCommand cmd = mConnection.CreateCommand(); cmd.CommandText = "select pg_sleep(1);"; PqsqlDataReader r = cmd.ExecuteReader(); bool b = r.Read(); Assert.AreEqual(true, b); object v = r.GetValue(0); Assert.AreEqual("", v); }
public void PqsqlCommandTest17() { using (PqsqlCommand cmd = new PqsqlCommand("select /*state*/'x' from /* xxx */ pg_stat_activity ", mConnection) { CommandType = CommandType.Text }) { PqsqlDataReader r = cmd.ExecuteReader(); while (r.Read()) { string s = !r.IsDBNull(0) ? r.GetString(0) : null; } } }
public void PqsqlCommandTest19() { using (PqsqlCommand cmd = new PqsqlCommand("select state from pg_stat_activity -- no semicolon", mConnection) { CommandType = CommandType.Text }) { PqsqlDataReader r = cmd.ExecuteReader(); while (r.Read()) { string s = !r.IsDBNull(0) ? r.GetString(0) : null; } } }
public void PqsqlDataReaderTest7() { // test UTF-8 column names roundtrip mCmd.CommandText = "select 12345 as \"€₺£$¥\", 67890 as \"⣿⣶⣤⣀⠀\";"; using (PqsqlDataReader reader = mCmd.ExecuteReader()) { reader.Read(); string c0 = reader.GetName(0); string c1 = reader.GetName(1); Assert.AreEqual("€₺£$¥", c0); Assert.AreEqual("⣿⣶⣤⣀⠀", c1); } // test lower/upper parameter names roundtrip mCmd.CommandText = "select :P0 as \"零\", :P1 as \"一\", :p2 as \"二\", :p3 as \"三\" ;"; mCmd.Parameters.AddWithValue("p0", 0); mCmd.Parameters.AddWithValue("p1", 1); mCmd.Parameters.AddWithValue("P2", 2); mCmd.Parameters.AddWithValue("P3", 3); using (PqsqlDataReader reader = mCmd.ExecuteReader()) { reader.Read(); string c0 = reader.GetName(0); string c1 = reader.GetName(1); string c2 = reader.GetName(2); string c3 = reader.GetName(3); int i0 = reader.GetInt32(0); int i1 = reader.GetInt32(1); int i2 = reader.GetInt32(2); int i3 = reader.GetInt32(3); Assert.AreEqual(0, i0); Assert.AreEqual(1, i1); Assert.AreEqual(2, i2); Assert.AreEqual(3, i3); Assert.AreEqual("零", c0); Assert.AreEqual("一", c1); Assert.AreEqual("二", c2); Assert.AreEqual("三", c3); } }
public void PqsqlDataReaderTest12() { mCmd.CommandText = @"select interval '23 days', timestamp '2038-01-01', timestamptz '2038-01-01 00:00:00+02', date '2038-01-01', time '00:00:00', timetz '23:23:23+02';"; using (PqsqlDataReader reader = mCmd.ExecuteReader()) { Assert.IsTrue(reader.HasRows); reader.Read(); TimeSpan ts0 = reader.GetTimeSpan(0); Assert.AreEqual(TimeSpan.FromDays(23), ts0); TimeSpan ts1 = reader.GetTimeSpan(1); DateTime dt1 = reader.GetDateTime(1); Assert.AreEqual(new DateTime(2038, 01, 01, 0, 0, 0), dt1); DateTimeOffset dto1 = reader.GetDateTimeOffset(1); Assert.AreEqual(new DateTimeOffset(2038, 01, 01, 0, 0, 0, TimeSpan.Zero), dto1); TimeSpan ts2 = reader.GetTimeSpan(2); DateTime dt2 = reader.GetDateTime(2); Assert.AreEqual(new DateTime(2037, 12, 31, 22, 0, 0), dt2); DateTimeOffset dto2 = reader.GetDateTimeOffset(2); Assert.AreEqual(new DateTimeOffset(2038, 01, 01, 0, 0, 0, TimeSpan.FromHours(2)), dto2); TimeSpan ts3 = reader.GetTimeSpan(3); DateTime dt3 = reader.GetDateTime(3); Assert.AreEqual(new DateTime(2038, 01, 01, 0, 0, 0), dt3); DateTimeOffset dto3 = reader.GetDateTimeOffset(3); Assert.AreEqual(new DateTimeOffset(2038, 01, 01, 0, 0, 0, TimeSpan.Zero), dto3); TimeSpan ts4 = reader.GetTimeSpan(4); Assert.AreEqual(TimeSpan.FromSeconds(0), ts4); DateTime dt4 = reader.GetDateTime(4); Assert.AreEqual(DateTime.MinValue, dt4); DateTimeOffset dto4 = reader.GetDateTimeOffset(4); Assert.AreEqual(DateTimeOffset.MinValue, dto4); TimeSpan ts5 = reader.GetTimeSpan(5); //Assert.AreEqual(TimeSpan.FromHours(21).Add(TimeSpan.FromMinutes(23)).Add(TimeSpan.FromSeconds(23)), ts5); DateTime dt5 = reader.GetDateTime(5); //Assert.AreEqual(DateTime.MinValue.AddHours(21).AddMinutes(23).AddSeconds(23), dt5); DateTimeOffset dto5 = reader.GetDateTimeOffset(5); //Assert.AreEqual(new DateTimeOffset(DateTime.MinValue.AddHours(23).AddMinutes(23).AddSeconds(23), TimeSpan.FromHours(2)), dto5); reader.Close(); } }
public void PqsqlCommandTest11() { PqsqlCommand cmd = new PqsqlCommand("select :p1;", mConnection); cmd.CommandType = CommandType.Text; // recursive parameters PqsqlParameter p1 = cmd.Parameters.AddWithValue(":p1", ":p1"); PqsqlDataReader r = cmd.ExecuteReader(); while (r.Read()) { string s = r.GetString(0); Assert.AreEqual(p1.Value, s); } }
// // Summary: // Executes the query and returns the first column of the first row in the result // set returned by the query. All other columns and rows are ignored. // // Returns: // The first column of the first row in the result set. public override object ExecuteScalar() { PqsqlDataReader r = ExecuteReader(CommandBehavior.Default); object o; if (r.Read()) { o = r.GetValue(0); } else { o = null; } r.Consume(); // sync protocol: consume remaining rows return(o); }
public void PqsqlTypeRegistryTest4() { mCmd.CommandText = "select 'YES'::citext"; mCmd.CommandType = CommandType.Text; using (PqsqlCommand check = new PqsqlCommand("select oid from pg_extension where extname='citext'", mConnection)) using (PqsqlCommand create = new PqsqlCommand("create extension citext", mConnection)) using (PqsqlCommand drop = new PqsqlCommand("drop extension if exists citext", mConnection)) { object o = null; try { o = check.ExecuteScalar(); if (o == null) { int aff = create.ExecuteNonQuery(); Assert.AreEqual(0, aff); } PqsqlDataReader reader = mCmd.ExecuteReader(); bool read = reader.Read(); Assert.IsTrue(read); object yes = reader.GetValue(0); // must access by GetValue, GetString verifies typoid Assert.AreEqual("YES", yes); reader.Close(); } finally { if (o == null) { int aff = drop.ExecuteNonQuery(); Assert.AreEqual(0, aff); } } } }
public void PqsqlDataReaderTest9() { mCmd.CommandText = @"select 1234567890123456789::int8, 0::oid, '00000000-0000-0000-0000-000000000000'::uuid, 47.11::float4, E'\\000\\001\\002\\003'::bytea, null as ""lastcol"""; using (PqsqlDataReader reader = mCmd.ExecuteReader()) { Assert.IsTrue(reader.HasRows); reader.Read(); long c0 = reader.GetInt64(0); uint c1 = reader.GetOid(1); Guid c2 = reader.GetGuid(2); float c3 = reader.GetFloat(3); long len = reader.GetBytes(4, 0, null, 0, 0); Assert.AreEqual((long)4, len); byte[] c4 = new byte[len]; long read = reader.GetBytes(4, 0, c4, 0, (int)len); Assert.AreEqual(read, len); Assert.AreEqual(1234567890123456789, c0); Assert.AreEqual((uint)0, c1); Assert.AreEqual(Guid.Empty, c2); Assert.AreEqual((float)47.11, c3); byte[] buf = { 0, 1, 2, 3 }; Assert.AreEqual(buf[0], c4[0]); Assert.AreEqual(buf[1], c4[1]); Assert.AreEqual(buf[2], c4[2]); Assert.AreEqual(buf[3], c4[3]); object last = reader[5]; Assert.AreEqual(DBNull.Value, last); last = reader["lastcol"]; Assert.AreEqual(DBNull.Value, last); reader.Close(); } }
public void PqsqlCommandTest4() { PqsqlCommand cmd = new PqsqlCommand("generate_series", mConnection); const int p1_val = -1; const int p2_val = 2; PqsqlParameter p1 = cmd.CreateParameter(); p1.ParameterName = "p1"; p1.Value = p1_val; p1.DbType = DbType.Int32; PqsqlParameter p2 = cmd.CreateParameter(); p2.ParameterName = "p2"; p2.Value = p2_val; p2.DbType = DbType.Int32; cmd.CommandType = CommandType.StoredProcedure; cmd.Parameters.Add(p1); cmd.Parameters.Add(p2); cmd.Parameters.Add(new PqsqlParameter("generate_series", DbType.Int32) { Direction = ParameterDirection.Output }); PqsqlDataReader r = cmd.ExecuteReader(); int n = p1_val - 1; int j = p1_val; while (r.Read()) { int i = r.GetInt32(0); Assert.AreEqual(j++, i); n++; } Assert.AreEqual(p2_val, n); }
public void PqsqlDataReaderTest4() { mCmd.CommandText = "select :arr"; PqsqlParameter arr = new PqsqlParameter { ParameterName = ":arr", PqsqlDbType = PqsqlDbType.Array | PqsqlDbType.Boolean, Value = new bool[] { true, true, false, false } }; mCmd.Parameters.Add(arr); using (PqsqlDataReader reader = mCmd.ExecuteReader(CommandBehavior.CloseConnection)) { bool read = reader.Read(); Assert.IsTrue(read); object o = reader.GetValue(0); // postgres returns 1-based array bool[1..4] in o // whereas arr.Value is 0-based array bool[] CollectionAssert.AreEqual((ICollection)arr.Value, (ICollection)o); // round trip succeeded } }
public void PqsqlDataReaderTest11() { mCmd.CommandText = @"select null, ''::varchar, '你', '好'::text, '吗'::char(1), 'x'::""char"" ;"; using (PqsqlDataReader reader = mCmd.ExecuteReader()) { Assert.IsTrue(reader.HasRows); reader.Read(); char c1 = reader.GetChar(1); string s1 = reader.GetString(1); char c2 = reader.GetChar(2); string s2 = reader.GetString(2); char c3 = reader.GetChar(3); string s3 = reader.GetString(3); char c4 = reader.GetChar(4); string s4 = reader.GetString(4); char c5 = reader.GetChar(5); string s5 = reader.GetString(5); Assert.IsTrue(reader.IsDBNull(0)); Assert.AreEqual(default(char), c1); Assert.AreEqual(string.Empty, s1); Assert.AreEqual('你', c2); Assert.AreEqual("你", s2); Assert.AreEqual('好', c3); Assert.AreEqual("好", s3); Assert.AreEqual('吗', c4); Assert.AreEqual("吗", s4); Assert.AreEqual('x', c5); Assert.AreEqual("x", s5); reader.Close(); } }
public void PqsqlTypeRegistryTest5() { mCmd.CommandText = "select :ts0,:ts1,:ts2,:ts3,:ts4"; mCmd.CommandType = CommandType.Text; PqsqlParameter p0 = new PqsqlParameter("ts0", DbType.DateTimeOffset, new DateTimeOffset(2016, 1, 1, 0, 0, 0, 0, TimeSpan.Zero)); mCmd.Parameters.Add(p0); PqsqlParameter p1 = new PqsqlParameter { ParameterName = "ts1", PqsqlDbType = PqsqlDbType.Unknown, // let PqsqlParameterCollection guess the type Value = new DateTimeOffset(new DateTime(2016, 1, 1, 0, 0, 0, 0, DateTimeKind.Local)) }; mCmd.Parameters.Add(p1); PqsqlParameter p2 = new PqsqlParameter("ts2", DbType.DateTime, new DateTime(2016, 1, 1, 0, 0, 0, 0, DateTimeKind.Local)); mCmd.Parameters.Add(p2); PqsqlParameter p3 = new PqsqlParameter("ts3", DbType.DateTime, new DateTime(2016, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc)); mCmd.Parameters.Add(p3); PqsqlParameter p4 = new PqsqlParameter("ts4", DbType.DateTime, new DateTime(2016, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified)); mCmd.Parameters.Add(p4); PqsqlDataReader reader = mCmd.ExecuteReader(); bool read = reader.Read(); Assert.IsTrue(read); DateTime ts0 = reader.GetDateTime(0); DateTimeOffset tstz0 = reader.GetDateTimeOffset(0); DateTimeOffset tsutc0 = tstz0.ToUniversalTime(); DateTimeOffset tslocal0 = tstz0.ToLocalTime(); Assert.AreEqual(ts0, tsutc0.DateTime); DateTime ts1 = reader.GetDateTime(1); DateTimeOffset tstz1 = reader.GetDateTimeOffset(1); DateTimeOffset tsutc1 = tstz1.ToUniversalTime(); DateTimeOffset tslocal1 = tstz1.ToLocalTime(); DateTime ts2 = reader.GetDateTime(2); DateTimeOffset tstz2 = reader.GetDateTimeOffset(2); DateTimeOffset tsutc2 = tstz2.ToUniversalTime(); DateTimeOffset tslocal2 = tstz2.ToLocalTime(); Assert.AreEqual(ts2, tsutc2.UtcDateTime); Assert.AreEqual(ts2.ToLocalTime(), tstz2.LocalDateTime); Assert.AreEqual(ts2.ToLocalTime(), tsutc2.LocalDateTime); DateTime ts3 = reader.GetDateTime(3); DateTimeOffset tstz3 = reader.GetDateTimeOffset(3); DateTimeOffset tsutc3 = tstz3.ToUniversalTime(); DateTimeOffset tslocal3 = tstz3.ToLocalTime(); Assert.AreEqual(ts3, tstz3.UtcDateTime); Assert.AreEqual(ts3, tsutc3.DateTime); DateTime ts4 = reader.GetDateTime(4); DateTimeOffset tstz4 = reader.GetDateTimeOffset(4); DateTimeOffset tsutc4 = tstz4.ToUniversalTime(); DateTimeOffset tslocal4 = tstz4.ToLocalTime(); Assert.AreEqual(ts4, tstz4.UtcDateTime); Assert.AreEqual(ts4, tsutc4.DateTime); read = reader.Read(); Assert.IsFalse(read); }
public void PqsqlDataReaderTest6() { const string qs = @"select ARRAY[0,1,2,3,42,null,4711]::_text, :p7, unnest(:p6), unnest(:p8) ; select interval '20 days', interval '123 secs', interval '20 years 10 months', now(), :p4, timestamp 'infinity', timestamp '-infinity', date 'infinity', date '-infinity'; select 123.456::numeric, :p3::text ; select 'NaN'::numeric, '-1234567898765432123456789.87654321'::numeric ; select generate_series(1,1000000),generate_series(1,1000000); select generate_series(1,1000000),generate_series(1,1000000); select :p1,:p2::text ; select extract(epoch from date_trunc('day',current_date - :p9 ))::integer " ; const int p1_val = -1; const int p2_val = 2; const int p3_val = -3; const double p4_val = 3.1415925; decimal p5_val = decimal.Parse("123456789,87654321"); int[] p6_arr = { 1, 42, 4711, 0815 }; const string p7_0 = "1 string mit ü and ä sowie 0"; const string p7_1 = "2 string mit ü and ä sowie 🐨"; const string p7_2 = "42 string mit ü and ä sowie е́"; const string p7_3 = "0815 string mit ü and ä sowie П"; decimal[] p8_arr = { decimal.MinValue, 1.23M, 12.345M, -123.4567M, decimal.MaxValue }; const int p9_val = 47; mCmd.CommandText = qs; mCmd.CommandTimeout = 20; PqsqlParameter p1 = mCmd.CreateParameter(); p1.ParameterName = "p1"; p1.Value = p1_val; p1.DbType = DbType.Int32; PqsqlParameter p2 = mCmd.CreateParameter(); p2.ParameterName = "p2"; p2.Value = p2_val; p2.DbType = DbType.Int32; PqsqlParameter p3 = mCmd.CreateParameter(); p3.ParameterName = "p3"; p3.Value = p3_val; p3.DbType = DbType.Int32; PqsqlParameter p4 = mCmd.CreateParameter(); p4.ParameterName = "p4"; p4.Value = p4_val; p4.DbType = DbType.Double; PqsqlParameter p5 = mCmd.CreateParameter(); p5.ParameterName = "p5"; p5.Value = p5_val; p5.DbType = DbType.Decimal; PqsqlParameter p6 = mCmd.CreateParameter(); p6.ParameterName = "p6"; p6.Value = p6_arr; p6.PqsqlDbType = PqsqlDbType.Array | PqsqlDbType.Int4; PqsqlParameter p7 = mCmd.CreateParameter(); p7.ParameterName = "p7"; Array b = Array.CreateInstance(typeof(string), new int[] { 4 }, new int[] { -1 }); b.SetValue(p7_0, -1); b.SetValue(p7_1, 0); b.SetValue(p7_2, 1); b.SetValue(p7_3, 2); p7.Value = b; p7.PqsqlDbType = PqsqlDbType.Array | PqsqlDbType.Text; PqsqlParameter p8 = mCmd.CreateParameter(); p8.ParameterName = "p8"; Array c = Array.CreateInstance(typeof(decimal), new int[] { 5 }, new int[] { -2 }); c.SetValue(p8_arr[0], -2); c.SetValue(p8_arr[1], -1); c.SetValue(p8_arr[2], 0); c.SetValue(p8_arr[3], 1); c.SetValue(p8_arr[4], 2); p8.Value = c; p8.PqsqlDbType = PqsqlDbType.Array | PqsqlDbType.Numeric; PqsqlParameter p9 = mCmd.CreateParameter(); p9.ParameterName = "p9"; p9.Value = p9_val; // let Pqsql guess the parameter type mCmd.Parameters.Add(p1); mCmd.Parameters.Add(p2); mCmd.Parameters.Add(p3); mCmd.Parameters.Add(p4); mCmd.Parameters.Add(p5); mCmd.Parameters.Add(p6); mCmd.Parameters.Add(p7); mCmd.Parameters.Add(p8); mCmd.Parameters.Add(p9); PqsqlTransaction t = mConnection.BeginTransaction(); mCmd.Transaction = t; PqsqlDataReader r = mCmd.ExecuteReader(); int p6_rt = 0; //int p8_rt = 0; // select ARRAY[0,1,2,3,42,null,4711]::_text, :p7, unnest(:p6), unnest(:p8) while (r.Read()) { object o0 = r.GetValue(0); object o1 = r.GetValue(1); object o2 = r.GetValue(2); object o3 = r.GetValue(3); Array arr = (Array)o0; Assert.AreEqual("0", arr.GetValue(1)); Assert.AreEqual("1", arr.GetValue(2)); Assert.AreEqual("2", arr.GetValue(3)); Assert.AreEqual("3", arr.GetValue(4)); Assert.AreEqual("42", arr.GetValue(5)); Assert.AreEqual(null, arr.GetValue(6)); Assert.AreEqual("4711", arr.GetValue(7)); arr = (Array)o1; Assert.AreEqual(p7_0, arr.GetValue(1)); Assert.AreEqual(p7_1, arr.GetValue(2)); Assert.AreEqual(p7_2, arr.GetValue(3)); Assert.AreEqual(p7_3, arr.GetValue(4)); Assert.AreEqual(p6_arr[p6_rt++ % 4], o2); // TODO decimal vs. double: decimal.MinValue cast to double does not work here //Assert.AreEqual(p8_arr[p8_rt++], o3); } bool next = r.NextResult(); Assert.IsTrue(next); // select interval '20 days', interval '123 secs', interval '20 years 10 months', now(), :p4, timestamp 'infinity', timestamp '-infinity', date 'infinity', date '-infinity' while (r.Read()) { TimeSpan s = r.GetTimeSpan(0); Assert.AreEqual(TimeSpan.FromDays(20), s); s = r.GetTimeSpan(1); Assert.AreEqual(TimeSpan.FromSeconds(123), s); s = r.GetTimeSpan(2); Assert.AreEqual(TimeSpan.FromDays(7609), s); DateTime d = r.GetDateTime(3); TimeSpan diff = DateTime.UtcNow - d; Assert.IsTrue(diff < TimeSpan.FromHours(1)); Assert.IsTrue(-diff < TimeSpan.FromHours(1)); double db = r.GetDouble(4); Assert.AreEqual(p4_val, db); d = r.GetDateTime(5); Assert.AreEqual(DateTime.MaxValue, d); d = r.GetDateTime(6); Assert.AreEqual(DateTime.MinValue, d); d = r.GetDateTime(7); Assert.AreEqual(DateTime.MaxValue, d); d = r.GetDateTime(8); Assert.AreEqual(DateTime.MinValue, d); } next = r.NextResult(); Assert.IsTrue(next); // select 123.456::numeric, :p3::text while (r.Read()) { decimal dec = r.GetDecimal(0); Assert.AreEqual(123.456M, dec); string str = r.GetString(1); Assert.AreEqual(p3_val.ToString(), str); } t.Commit(); next = r.NextResult(); Assert.IsTrue(next); // select 'NaN'::numeric, '-1234567898765432123456789.87654321'::numeric while (r.Read()) { double dou = r.GetDouble(0); Assert.AreEqual(Double.NaN, dou); dou = r.GetDouble(1); Assert.AreEqual(decimal.ToDouble(-1234567898765432123456789.87654321M), dou); } next = r.NextResult(); Assert.IsTrue(next); int comp = 1; // select generate_series(1,1000000),generate_series(1,1000000) while (r.Read()) { int gen = r.GetInt32(0); Assert.AreEqual(comp++, gen); } next = r.NextResult(); Assert.IsTrue(next); comp = 1; // select generate_series(1,1000000),generate_series(1,1000000) while (r.Read()) { int gen = r.GetInt32(0); Assert.AreEqual(comp++, gen); } Assert.AreEqual(1000001, comp); next = r.NextResult(); Assert.IsTrue(next); comp = 0; // select :p1,:p2::text while (r.Read()) { int i = r.GetInt32(0); string st = r.GetString(1); Assert.AreEqual(p1_val, i); string p2s = Convert.ToString(p2_val); Assert.AreEqual(p2s, st); comp++; } Assert.AreEqual(1, comp); next = r.NextResult(); Assert.IsTrue(next); comp = 0; // select extract(epoch from date_trunc('day',current_date - :p9 ))::integer while (r.Read()) { int i = r.GetInt32(0); int unix = (int)DateTime.UtcNow.Subtract(new TimeSpan(p9_val, 0, 0, 0)).Date.Subtract(new DateTime(1970, 1, 1)).TotalSeconds; Assert.AreEqual(unix, i); comp++; } next = r.NextResult(); Assert.IsFalse(next); r.Close(); r.Dispose(); }
public void PqsqlDataReaderTest8() { const string qs = "select ARRAY[0,1,2,3,42,null,4711,-1]::int2[], :p1"; short?[] p1_arr = { 0, 1, 2, 3, 42, null, 4711, -1 }; mCmd.CommandText = qs; mCmd.CommandTimeout = 5; PqsqlParameter p1 = mCmd.CreateParameter(); p1.ParameterName = "p1"; p1.Value = p1_arr; p1.PqsqlDbType = PqsqlDbType.Array | PqsqlDbType.Int2; mCmd.Parameters.Add(p1); using (PqsqlDataReader r = mCmd.ExecuteReader()) { // select ARRAY[0,1,2,3,42,null,4711,-1]::_int2, :p1 bool read = r.Read(); Assert.IsTrue(read); Array a0 = (Array)r.GetValue(0); Array a1 = (Array)r.GetValue(1); Assert.AreEqual(a0.Length, a1.Length); Assert.AreEqual(a0.Rank, a1.Rank); IEnumerator e1 = a1.GetEnumerator(); foreach (object o0 in a0) { if (e1.MoveNext()) { short?s0 = (short?)o0; short?s1 = (short?)e1.Current; Assert.AreEqual(s0, s1); } else { Assert.Fail("cannot advance a1"); } } Assert.AreEqual((short)0, a0.GetValue(1)); Assert.AreEqual((short)1, a0.GetValue(2)); Assert.AreEqual((short)2, a0.GetValue(3)); Assert.AreEqual((short)3, a0.GetValue(4)); Assert.AreEqual((short)42, a0.GetValue(5)); Assert.AreEqual(null, a0.GetValue(6)); Assert.AreEqual((short)4711, a0.GetValue(7)); Assert.AreEqual((short)-1, a0.GetValue(8)); Assert.AreEqual((short)0, a1.GetValue(1)); Assert.AreEqual((short)1, a1.GetValue(2)); Assert.AreEqual((short)2, a1.GetValue(3)); Assert.AreEqual((short)3, a1.GetValue(4)); Assert.AreEqual((short)42, a1.GetValue(5)); Assert.AreEqual(null, a1.GetValue(6)); Assert.AreEqual((short)4711, a1.GetValue(7)); Assert.AreEqual((short)-1, a1.GetValue(8)); read = r.Read(); Assert.IsFalse(read); } }
public void PqsqlCommandTest10() { StringBuilder sb = new StringBuilder(); const int N = 1664; // postgres can handle at most 1664 columns in a select const int K = 5; // create K*(K+1) / 2 queries PqsqlParameter[] pars = new PqsqlParameter[0]; for (int k = 1; k <= K; k++) { if (k > 1) { sb.Append(';'); } sb.Append("select "); Array.Resize(ref pars, k * N); using (PqsqlTransaction t = mConnection.BeginTransaction()) { for (int i = 1; i <= N; i++) { int j = (k - 1) * N + i - 1; if (i > 1) { sb.Append(','); } sb.Append("generate_series(:p" + j + ",:p" + j + ")"); PqsqlParameter p = new PqsqlParameter { ParameterName = "p" + j, DbType = DbType.Int32, Value = j }; pars[j] = p; } sb.Append(';'); using (PqsqlCommand cmd = mConnection.CreateCommand()) { cmd.Transaction = t; cmd.CommandText = sb.ToString(); cmd.CommandTimeout = 20; cmd.CommandType = CommandType.Text; cmd.Parameters.AddRange(pars.Take(k * N).ToArray()); using (PqsqlDataReader reader = cmd.ExecuteReader()) { for (int n = 0; n < k; n++) { while (reader.Read()) { for (int m = 0; m < N; m++) { int o = reader.GetInt32(m); Assert.AreEqual(n * N + m, o); } } reader.NextResult(); } } } } } }
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(); }
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(); }
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(); }