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 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); }
// // 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 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 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 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 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(); }