/// <summary>
/// Adds a RIGHT JOIN clause.
/// </summary>
/// <param name="Select">The OracleSqlBuilderSelectCount instance.</param>
/// <param name="TableAlias">The alias of the table.</param>
/// <param name="ConditionStatement">The condition statment/s of the joined table.</param>
/// <returns>The current instance of this class.</returns>
public OracleSqlBuilderSelectCount SetRightJoin(OracleSqlBuilderSelectCount Select, string TableAlias, string ConditionStatement)
{
if (Select == null)
{
throw new ArgumentException("Select argument should not be null.");
}
string strQuery = Select.ToString();
if (String.IsNullOrWhiteSpace(strQuery))
{
throw new ArgumentException("Select argument should not be empty.");
}
TableAlias = this._RemoveBackTick(TableAlias);
if (String.IsNullOrWhiteSpace(TableAlias))
{
throw new ArgumentException("TableAlias argument should not be empty.");
}
ConditionStatement = this._RemoveBackTick(ConditionStatement);
if (String.IsNullOrWhiteSpace(ConditionStatement))
{
throw new ArgumentException("Condition argument should not be empty.");
}
this._Joins.Add(String.Format("RIGHT JOIN (\n{0}\n) AS {1}\n\tON ({2})", this._AddTab(strQuery), this._EncloseBackTick(TableAlias), this._Name(ConditionStatement)));
return(this);
}
/// <summary>
/// Executes a query and returns a OracleSqlData instance.
/// </summary>
/// <param name="SelectCount">The instance of OracleSqlBuilderSelectCount.</param>
/// <returns>The instance of OracleSqlData.</returns>
internal OracleSqlData Execute(OracleSqlBuilderSelectCount SelectCount)
{
return(this.Execute(OracleSqlConnectionString.Read(), SelectCount));
}
/// <summary>
/// Executes a query and returns a OracleSqlData instance.
/// </summary>
/// <param name="ConnectionString">The connection string.</param>
/// <param name="SelectCount">The instance of OracleSqlBuilderSelectCount.</param>
/// <returns>The instance of OracleSqlData.</returns>
internal OracleSqlData Execute(string ConnectionString, OracleSqlBuilderSelectCount SelectCount)
{
if (String.IsNullOrWhiteSpace(ConnectionString))
{
throw new ArgumentNullException("Connection String argument should not be null.");
}
if (SelectCount == null)
{
throw new ArgumentNullException("Select argument should not be null.");
}
var watch = new Stopwatch();
watch.Start();
var data = new OracleSqlData();
using (var cn = new OracleConnection()) {
cn.ConnectionString = ConnectionString;
try {
cn.Open();
using (var cmd = new OracleCommand()) {
cmd.Connection = cn;
cmd.CommandText = SelectCount.ToString();
cmd.CommandType = CommandType.Text;
SelectCount.PrintQuery();
if (SelectCount.GetParameters().Count > 0)
{
foreach (var kvp in SelectCount.GetParameters())
{
cmd.Parameters.Add(new OracleParameter(kvp.Key, kvp.Value));
}
SelectCount.PrintParameters();
}
using (var da = new OracleDataAdapter()) {
da.SelectCommand = cmd;
try {
da.Fill(data.DataSetResult);
data.DataTableResult = data.DataSetResult.Tables[0];
data.DataViewResult = data.DataTableResult.AsDataView();
data.RowCount = Convert.ToInt64(data.DataTableResult.Rows[0][0]);
if (data.RowCount > 0)
{
foreach (DataRow dr in data.DataTableResult.Rows)
{
Dictionary <string, object> dicRow = new Dictionary <string, object>();
foreach (DataColumn dc in data.DataTableResult.Columns)
{
dicRow.Add(dc.ColumnName, dr[dc.ColumnName]);
}
data.ListResults.Add(dicRow);
}
}
} catch (OracleException ex) {
Debug.WriteLine("An error occured while trying to execute the query.");
Debug.WriteLine(String.Format("OracleSQL Error: {0} - {1}", ex.ErrorCode, ex.Message));
Debug.WriteLine(ex);
if (OracleSqlConfig.ThrowExceptions)
{
throw;
}
} catch (Exception ex) {
Debug.WriteLine("An error occured while trying to execute the query.");
Debug.WriteLine(String.Format("Error: {0}", ex.Message));
Debug.WriteLine(ex);
if (OracleSqlConfig.ThrowExceptions)
{
throw;
}
}
}
}
} catch (OracleException ex) {
Debug.WriteLine("Unable to connect to the specified OracleSQL host.");
Debug.WriteLine(String.Format("OracleSQL Error: {0} - {1}", ex.ErrorCode, ex.Message));
Debug.WriteLine(ex);
if (OracleSqlConfig.ThrowExceptions)
{
throw;
}
} catch (Exception ex) {
Debug.WriteLine("Unable to connect to the specified OracleSQL host.");
Debug.WriteLine(String.Format("Error: {0}", ex.Message));
Debug.WriteLine(ex);
if (OracleSqlConfig.ThrowExceptions)
{
throw;
}
} finally {
if (cn != null && cn.State == ConnectionState.Open)
{
cn.Close();
}
}
}
watch.Stop();
data.Duration = watch.Elapsed;
this._PrintRowsFound(data.RowCount);
this._PrintDuration(data.Duration);
return(data);
}
