private static void DoDemo(EDBConnection connection)
{
Console.Write("Inserting row 1... ");
using (var cmd = new EdbAffectedRowsCommand("INSERT INTO demo (value_unicode) VALUES (:param)", connection))
{
cmd.Prepare();
cmd.Parameters.Add(
new EDBParameter("param", "Lithuanian chars: ĖĮĘĮŲŠŲŪŠŲčęėūįčųū, russian chars: ваниа маша"));
// Bit overprotective probably, but using 3rd party libs its usual to be overprotective
if (cmd.Execute() != 1)
{
throw new InvalidOperationException();
}
//
Console.WriteLine("DONE");
}
Console.Write("Inserting row 2... ");
using (
var cmd = new EdbAffectedRowsCommand(
"INSERT INTO demo (value_unicode, value_decimal) VALUES (:param1, :param2)",
connection))
{
cmd.Prepare();
cmd.Parameters.Add(new EDBParameter("param1", DBNull.Value));
cmd.Parameters.Add(
new EDBParameter(
"param2",
3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679m));
// Bit overprotective probably, but using 3rd party libs its usual to be overprotective
if (cmd.Execute() != 1)
{
throw new InvalidOperationException();
}
//
Console.WriteLine("DONE");
}
Console.Write("Inserting row 3, and get its id... ");
using (
var cmd =
new EdbAffectedRowsCommand(
"INSERT INTO demo (value_unicode, value_decimal, value_datetime, value_bool) VALUES (:param1, :param2, :param3, :param4)",
connection))
{
cmd.Prepare();
cmd.Parameters.Add(new EDBParameter("param1", DBNull.Value));
cmd.Parameters.Add(new EDBParameter("param2", DBNull.Value));
cmd.Parameters.Add(new EDBParameter("param3", DateTime.UtcNow));
cmd.Parameters.Add(new EDBParameter("param4", true));
// Bit overprotective probably, but using 3rd party libs its usual to be overprotective
if (cmd.Execute() != 1)
{
throw new InvalidOperationException();
}
//
using (var cmd2 = new EdbScalarCommand <int>("SELECT LASTIDENTITY('demo', 'id')", connection))
{
Console.WriteLine("DONE, with id - {0}", cmd2.Execute());
}
}
Console.Write("Getting two rows... ");
using (var cmd = new EdbDataTableCommand("SELECT * FROM demo RANGE 2 TO 3", connection))
{
var dt = cmd.Execute();
Console.WriteLine("DONE");
foreach (DataRow row in dt.Rows)
{
Console.WriteLine(
"Got row with id: {0}, timestamp: {1}, values: {2},{3},{4}",
row["id"],
row["value_datetime"],
row["value_unicode"],
row["value_decimal"],
row["value_bool"]);
}
}
Console.Write("Updating timestamps where null... ");
using (
var cmd = new EdbAffectedRowsCommand(
"UPDATE demo SET value_datetime = :param WHERE value_datetime IS NULL",
connection))
{
cmd.Prepare();
cmd.Parameters.Add(new EDBParameter("param", DateTime.MinValue));
var cnt = cmd.Execute();
Console.WriteLine("DONE, {0} rows updated", cnt);
}
Console.Write("Getting all rows... ");
using (var cmd = new EdbDataTableCommand("SELECT * FROM demo", connection))
{
var dt = cmd.Execute();
Console.WriteLine("DONE");
foreach (DataRow row in dt.Rows)
{
Console.WriteLine(
"Got row with id: {0}, timestamp: {1}, values: {2},{3},{4}",
row["id"],
row["value_datetime"],
row["value_unicode"],
row["value_decimal"],
row["value_bool"]);
}
}
}
private static void DoDemo(EDBConnection connection)
{
Console.Write("Inserting row 1... ");
using (var cmd = new EdbAffectedRowsCommand("INSERT INTO demo (value_unicode) VALUES (:param)", connection))
{
cmd.Prepare();
cmd.Parameters.Add(
new EDBParameter("param", "Lithuanian chars: ĖĮĘĮŲŠŲŪŠŲčęėūįčųū, russian chars: ваниа маша"));
// Bit overprotective probably, but using 3rd party libs its usual to be overprotective
if (cmd.Execute() != 1)
throw new InvalidOperationException();
//
Console.WriteLine("DONE");
}
Console.Write("Inserting row 2... ");
using (
var cmd = new EdbAffectedRowsCommand(
"INSERT INTO demo (value_unicode, value_decimal) VALUES (:param1, :param2)",
connection))
{
cmd.Prepare();
cmd.Parameters.Add(new EDBParameter("param1", DBNull.Value));
cmd.Parameters.Add(
new EDBParameter(
"param2",
3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679m));
// Bit overprotective probably, but using 3rd party libs its usual to be overprotective
if (cmd.Execute() != 1)
throw new InvalidOperationException();
//
Console.WriteLine("DONE");
}
Console.Write("Inserting row 3, and get its id... ");
using (
var cmd =
new EdbAffectedRowsCommand(
"INSERT INTO demo (value_unicode, value_decimal, value_datetime, value_bool) VALUES (:param1, :param2, :param3, :param4)",
connection))
{
cmd.Prepare();
cmd.Parameters.Add(new EDBParameter("param1", DBNull.Value));
cmd.Parameters.Add(new EDBParameter("param2", DBNull.Value));
cmd.Parameters.Add(new EDBParameter("param3", DateTime.UtcNow));
cmd.Parameters.Add(new EDBParameter("param4", true));
// Bit overprotective probably, but using 3rd party libs its usual to be overprotective
if (cmd.Execute() != 1)
throw new InvalidOperationException();
//
using (var cmd2 = new EdbScalarCommand<int>("SELECT LASTIDENTITY('demo', 'id')", connection))
{
Console.WriteLine("DONE, with id - {0}", cmd2.Execute());
}
}
Console.Write("Getting two rows... ");
using (var cmd = new EdbDataTableCommand("SELECT * FROM demo RANGE 2 TO 3", connection))
{
var dt = cmd.Execute();
Console.WriteLine("DONE");
foreach (DataRow row in dt.Rows)
{
Console.WriteLine(
"Got row with id: {0}, timestamp: {1}, values: {2},{3},{4}",
row["id"],
row["value_datetime"],
row["value_unicode"],
row["value_decimal"],
row["value_bool"]);
}
}
Console.Write("Updating timestamps where null... ");
using (
var cmd = new EdbAffectedRowsCommand(
"UPDATE demo SET value_datetime = :param WHERE value_datetime IS NULL",
connection))
{
cmd.Prepare();
cmd.Parameters.Add(new EDBParameter("param", DateTime.MinValue));
var cnt = cmd.Execute();
Console.WriteLine("DONE, {0} rows updated", cnt);
}
Console.Write("Getting all rows... ");
using (var cmd = new EdbDataTableCommand("SELECT * FROM demo", connection))
{
var dt = cmd.Execute();
Console.WriteLine("DONE");
foreach (DataRow row in dt.Rows)
{
Console.WriteLine(
"Got row with id: {0}, timestamp: {1}, values: {2},{3},{4}",
row["id"],
row["value_datetime"],
row["value_unicode"],
row["value_decimal"],
row["value_bool"]);
}
}
}
