//http://msdn.microsoft.com/en-us/library/bbw6zyha%28v=vs.80%29.aspx
/// <summary>
/// Test DataTable implicit UPDATE
/// </summary>
private static void Test_DataTable_UpdateImplicit()
{
using (CUBRIDConnection conn = new CUBRIDConnection())
{
conn.ConnectionString = TestCases.connString;
conn.Open();
String sql = "select * from nation order by `code` asc";
using (CUBRIDDataAdapter da = new CUBRIDDataAdapter(sql, conn))
{
using (CUBRIDDataAdapter daCmd = new CUBRIDDataAdapter(sql, conn))
{
CUBRIDCommandBuilder cmdBuilder = new CUBRIDCommandBuilder(daCmd);
da.UpdateCommand = cmdBuilder.GetUpdateCommand();
}
DataTable dt = new DataTable("nation");
da.Fill(dt);
//Update data
DataRow workRow = dt.Rows[0];
Debug.Assert(workRow["code"].ToString() == "AFG");
Debug.Assert(workRow["capital"].ToString() == "Kabul");
workRow.BeginEdit();
workRow["capital"] = "MyKabul";
workRow.EndEdit();
da.Update(dt);
Debug.Assert(workRow["capital"].ToString() == "MyKabul");
Debug.Assert(workRow.RowState.ToString() != "New");
}
Debug.Assert((string)GetSingleValue("select capital from nation where `code` = 'AFG'", conn) == "MyKabul");
//Revert changes
ExecuteSQL("update nation set capital = 'Kabul' where capital = 'MyKabul'", conn);
Debug.Assert((string)GetSingleValue("select capital from nation where `code` = 'AFG'", conn) == "Kabul");
}
}
/// <summary>
/// Test batch update, using DataAdapter
/// </summary>
private static void Test_DataAdapter_BatchUpdate()
{
using (CUBRIDConnection conn = new CUBRIDConnection())
{
conn.ConnectionString = TestCases.connString;
conn.Open();
using (CUBRIDDataAdapter da = new CUBRIDDataAdapter())
{
// Set the INSERT command and parameter.
da.InsertCommand = new CUBRIDCommand("insert into nation values ('A', 'B', 'C', 'D')");
da.InsertCommand.UpdatedRowSource = UpdateRowSource.None;
// Set the UPDATE command and parameters.
da.UpdateCommand = new CUBRIDCommand("update nation set capital = 'X' where `code` = 'A'");
da.UpdateCommand.UpdatedRowSource = UpdateRowSource.None;
// Set the DELETE command and parameter.
da.DeleteCommand = new CUBRIDCommand("delete from nation where `code` = 'A'");
da.DeleteCommand.UpdatedRowSource = UpdateRowSource.None;
// Set the batch size.
da.UpdateBatchSize = 3;
// Execute the update.
DataTable dt = new DataTable("nation");
da.Update(dt);
}
Debug.Assert(GetTableRowsCount("nation", conn) == 215);
}
}
public void CUBRIDDataAdapter_Command_Test()
{
CUBRIDConnection conn = new CUBRIDConnection();
conn.ConnectionString = DBHelper.connString;
conn.Open();
DBHelper.ExecuteSQL("drop table if exists t", conn);
DBHelper.ExecuteSQL("create table t (id int, name varchar(100))", conn);
DBHelper.ExecuteSQL("insert into t values (1, 'Nancy')", conn);
DBHelper.ExecuteSQL("insert into t values (2, 'Peter')", conn);
CUBRIDDataAdapter adapter = new CUBRIDDataAdapter();
//SelectCommand
string sql = "select * from t";
CUBRIDCommand cmd = new CUBRIDCommand(sql, conn);
adapter.SelectCommand = cmd;
DataTable dt = new DataTable("student");
adapter.Fill(dt);
//verify data
Assert.AreEqual(1, (int)dt.Rows[0]["id"]);
Assert.AreEqual("Nancy", dt.Rows[0]["name"].ToString());
Assert.AreEqual(2, (int)dt.Rows[1]["id"]);
Assert.AreEqual("Peter", dt.Rows[1]["name"].ToString());
Assert.AreEqual(sql, adapter.SelectCommand.CommandText);
//UpdateCommand
sql = "update t set name='Mandy' where id=1";
cmd = new CUBRIDCommand(sql, conn);
adapter.UpdateCommand=cmd;
adapter.UpdateCommand.ExecuteNonQuery();
dt.AcceptChanges();
adapter.Update(dt);
Console.WriteLine(dt.Rows[0]["name"]);
//dt.AcceptChanges();
//Assert.AreEqual(1, (int)dt.Rows[0]["id"]);
//Assert.AreEqual("Mandy", dt.Rows[0]["name"].ToString());
//Assert.AreEqual(2, (int)dt.Rows[1]["id"]);
//Assert.AreEqual("Peter", dt.Rows[1]["name"].ToString());
//Assert.AreEqual(sql, adapter.UpdateCommand.CommandText);
//DeleteCommand
sql = "delete from t where name='Mandy'";
cmd = new CUBRIDCommand(sql, conn);
adapter.DeleteCommand=cmd;
adapter.DeleteCommand.ExecuteNonQuery();
adapter.Update(dt);
Assert.AreEqual(1, dt.Rows.Count);
Assert.AreEqual(2, (int)dt.Rows[0]["id"]);
Assert.AreEqual("Peter", dt.Rows[0]["name"].ToString());
Assert.AreEqual(sql, adapter.UpdateCommand.CommandText);
//InsertCommand
//revert test db
DBHelper.ExecuteSQL("drop table if exists t", conn);
conn.Close();
}
//http://msdn.microsoft.com/en-us/library/bbw6zyha%28v=vs.80%29.aspx
/// <summary>
/// Test DataTable explicit UPDATE
/// </summary>
private static void Test_DataTable_UpdateExplicit()
{
using (CUBRIDConnection conn = new CUBRIDConnection())
{
conn.ConnectionString = TestCases.connString;
conn.Open();
String sql = "select * from nation order by `code` asc LIMIT 10";
using (CUBRIDDataAdapter da = new CUBRIDDataAdapter(sql, conn))
{
//Initialize the command object that will be used as the UpdateCommand for the DataAdapter.
CUBRIDCommand daUpdate = new CUBRIDCommand("update nation set capital = ? where code = ?", conn);
//Parameter: capital
daUpdate.Parameters.Add(new CUBRIDParameter("?p1", DbType.String));
daUpdate.Parameters[0].SourceVersion = DataRowVersion.Current;
daUpdate.Parameters[0].SourceColumn = "capital";
daUpdate.Parameters[0].SourceColumnNullMapping = false;
//Parameter: code
daUpdate.Parameters.Add(new CUBRIDParameter("?p2", DbType.String));
daUpdate.Parameters[1].SourceVersion = DataRowVersion.Original;
daUpdate.Parameters[1].SourceColumn = "code";
daUpdate.Parameters[1].SourceColumnNullMapping = false;
daUpdate.UpdatedRowSource = UpdateRowSource.None;
//Assign the command to the UpdateCommand property of the DataAdapter.
da.UpdateCommand = daUpdate;
DataTable dt = new DataTable("nation");
da.Fill(dt);
DataRow workRow = dt.Rows[0];
Debug.Assert(workRow["capital"].ToString() == "Kabul");
workRow.BeginEdit();
workRow["capital"] = "MyKabul";
workRow.EndEdit();
da.Update(dt);
dt.AcceptChanges();
Debug.Assert(workRow["capital"].ToString() == "MyKabul");
Debug.Assert(workRow.RowState.ToString() != "New");
}
Debug.Assert((string)GetSingleValue("select capital from nation where `code` = 'AFG'", conn) == "MyKabul");
//Revert changes
ExecuteSQL("update nation set capital = 'Kabul' where capital = 'MyKabul'", conn);
Debug.Assert((string)GetSingleValue("select capital from nation where `code` = 'AFG'", conn) == "Kabul");
}
}
//http://msdn.microsoft.com/en-us/library/bbw6zyha%28v=vs.80%29.aspx
/// <summary>
/// Test DataTable explicit DELETE
/// </summary>
private static void Test_DataTable_DeleteExplicit()
{
using (CUBRIDConnection conn = new CUBRIDConnection())
{
conn.ConnectionString = TestCases.connString;
conn.Open();
//Insert a new row
ExecuteSQL("insert into nation values('ZZZZ', 'Z', 'Z', 'Z')", conn);
Debug.Assert(GetTableRowsCount("nation", conn) == 216);
String sql = "select * from nation order by `code` desc";
using (CUBRIDDataAdapter da = new CUBRIDDataAdapter(sql, conn))
{
//Initialize the command object that will be used as the DeleteCommand for the DataAdapter.
CUBRIDCommand daDelete = new CUBRIDCommand("delete from nation where code = ?", conn);
//Parameter: code
daDelete.Parameters.Add(new CUBRIDParameter("?p1", DbType.String));
daDelete.Parameters["?p1"].SourceVersion = DataRowVersion.Original;
daDelete.Parameters["?p1"].SourceColumn = "code";
daDelete.Parameters["?p1"].SourceColumnNullMapping = false;
daDelete.UpdatedRowSource = UpdateRowSource.OutputParameters;
//Assign the command to the DeleteCommand property of the DataAdapter.
da.DeleteCommand = daDelete;
DataTable dt = new DataTable("nation");
da.Fill(dt);
Debug.Assert(dt.Rows[0]["capital"].ToString() == "Z");
dt.Rows[0].Delete();
da.Update(dt);
Debug.Assert(dt.Rows.Count == 215);
}
Debug.Assert(GetTableRowsCount("nation", conn) == 215);
}
}
/// <summary>
/// Test DataTable implicit DELETE
/// </summary>
private static void Test_DataTable_DeleteImplicit()
{
using (CUBRIDConnection conn = new CUBRIDConnection())
{
conn.ConnectionString = TestCases.connString;
conn.Open();
//Insert a new row
ExecuteSQL("insert into nation values('ZZZZ', 'Z', 'Z', 'Z')", conn);
Debug.Assert(GetTableRowsCount("nation", conn) == 216);
String sql = "select * from nation order by `code` desc";
using (CUBRIDDataAdapter da = new CUBRIDDataAdapter(sql, conn))
{
CUBRIDDataAdapter daCmd = new CUBRIDDataAdapter(sql, conn);
CUBRIDCommandBuilder cmdBuilder = new CUBRIDCommandBuilder(daCmd);
da.DeleteCommand = cmdBuilder.GetDeleteCommand();
DataTable dt = new DataTable("nation");
da.Fill(dt);
Debug.Assert(dt.Rows[0]["capital"].ToString() == "Z");
dt.Rows[0].Delete();
da.Update(dt);
Debug.Assert(dt.Rows.Count == 215);
}
Debug.Assert(GetTableRowsCount("nation", conn) == 215);
}
}
/// <summary>
/// Test DataTable explicit INSERT
/// </summary>
private static void Test_DataTable_InsertExplicit()
{
using (CUBRIDConnection conn = new CUBRIDConnection())
{
conn.ConnectionString = TestCases.connString;
conn.Open();
String sql = "select * from nation order by `code` DESC LIMIT 10";
using (CUBRIDDataAdapter da = new CUBRIDDataAdapter(sql, conn))
{
//Initialize the command object that will be used as the UpdateCommand for the DataAdapter.
CUBRIDCommand daInsert = new CUBRIDCommand("insert into nation values(?,?,?,?)", conn);
daInsert.CommandType = CommandType.Text;
//Parameter: code
daInsert.Parameters.Add(new CUBRIDParameter("?p1", DbType.String));
daInsert.Parameters["?p1"].SourceVersion = DataRowVersion.Current;
daInsert.Parameters["?p1"].SourceColumn = "code";
daInsert.Parameters["?p1"].SourceColumnNullMapping = false;
//Parameter: name
daInsert.Parameters.Add(new CUBRIDParameter("?p2", DbType.String));
daInsert.Parameters["?p2"].SourceVersion = DataRowVersion.Original;
daInsert.Parameters["?p2"].SourceColumn = "name";
daInsert.Parameters["?p2"].SourceColumnNullMapping = false;
//Parameter: continent
daInsert.Parameters.Add(new CUBRIDParameter("?p3", DbType.String));
daInsert.Parameters["?p3"].SourceVersion = DataRowVersion.Current;
daInsert.Parameters["?p3"].SourceColumn = "continent";
daInsert.Parameters["?p3"].SourceColumnNullMapping = false;
//Parameter: capital
daInsert.Parameters.Add(new CUBRIDParameter("?p4", DbType.String));
daInsert.Parameters["?p4"].SourceVersion = DataRowVersion.Original;
daInsert.Parameters["?p4"].SourceColumn = "capital";
daInsert.Parameters["?p4"].SourceColumnNullMapping = false;
daInsert.UpdatedRowSource = UpdateRowSource.None;
//Assign the command to the InsertCommand property of the DataAdapter.
da.InsertCommand = daInsert;
DataTable dt = new DataTable("nation");
da.Fill(dt);
DataRow newRow = dt.NewRow();
newRow["code"] = "ZZZ";
newRow["name"] = "ABCDEF";
newRow["capital"] = "MyXYZ";
newRow["continent"] = "QWERTY";
dt.Rows.InsertAt(newRow, 0);
da.Update(dt);
dt.AcceptChanges();
Debug.Assert(dt.Rows[0]["capital"].ToString() == "MyXYZ");
Debug.Assert(newRow.RowState.ToString() != "New");
}
Debug.Assert(GetTableRowsCount("nation", conn) == 216);
//Revert changes
ExecuteSQL("delete from nation where `code` = 'ZZZ'", conn);
Debug.Assert(GetTableRowsCount("nation", conn) == 215);
}
}
//http://msdn.microsoft.com/en-us/library/bbw6zyha%28v=vs.80%29.aspx
/// <summary>
/// Test DataTable implicit INSERT
/// </summary>
private static void Test_DataTable_InsertImplicit()
{
using (CUBRIDConnection conn = new CUBRIDConnection())
{
conn.ConnectionString = TestCases.connString;
conn.Open();
String sql = "select * from nation order by `code` asc";
using (CUBRIDDataAdapter da = new CUBRIDDataAdapter(sql, conn))
{
using (CUBRIDDataAdapter daCmd = new CUBRIDDataAdapter(sql, conn))
{
CUBRIDCommandBuilder cmdBuilder = new CUBRIDCommandBuilder(daCmd);
da.InsertCommand = cmdBuilder.GetInsertCommand();
}
DataTable dt = new DataTable("nation");
da.Fill(dt);
DataRow newRow = dt.NewRow();
newRow["code"] = "ZZZ";
newRow["name"] = "ABCDEF";
newRow["capital"] = "MyXYZ";
newRow["continent"] = "QWERTY";
dt.Rows.Add(newRow);
da.Update(dt);
Debug.Assert(dt.Rows.Count == 216);
}
Debug.Assert(GetTableRowsCount("nation", conn) == 216);
//Revert changes
ExecuteSQL("delete from nation where `code` = 'ZZZ'", conn);
Debug.Assert(GetTableRowsCount("nation", conn) == 215);
}
}
