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();
}