public override int ExecuteNonQuery()
{
if (_connection == null)
{
throw new Exception("You must set the Connection property before execution.");
}
if (string.IsNullOrEmpty(_commandText))
{
throw new Exception("Invalid query specified.");
}
ICollection <Common.Server.Engine.IParameter> _params = new List <Common.Server.Engine.IParameter>();
Alachisoft.NosDB.Common.Storage.Caching.QueryCache.QueryCache <IDqlObject> queryParser = new Alachisoft.NosDB.Common.Storage.Caching.QueryCache.QueryCache <IDqlObject>();
IDqlObject parsedQuery = queryParser.GetParsedQuery(_commandText);
foreach (IDataParameter idp in _parameters)
{
_params.Add(new Common.Server.Engine.Impl.Parameter(idp.ParameterName, idp.Value));
}
Client.Collection <JSONDocument> coll = ((NosDbConnection)_connection)._database.GetCollection(((IDmObject)parsedQuery).Collection);
long val = coll.ExecuteNonQuery(_commandText, _params);
//ICollectionReader value = _connection._database.ExecuteQuery(query);
return((int)val);
}
protected override DbDataReader ExecuteDbDataReader(CommandBehavior behavior)
{
if (_connection == null)
{
throw new Exception("You must set the Connection property before execution.");
}
if (string.IsNullOrEmpty(_commandText))
{
throw new Exception("Invalid query specified.");
}
if (_connection.State != ConnectionState.Open)
{
throw new Exception("Connection must be open to execute the command.");
}
try
{
ArrayList al = new ArrayList();
ICollection <Common.Server.Engine.IParameter> _params = new List <Common.Server.Engine.IParameter>();
Alachisoft.NosDB.Common.Storage.Caching.QueryCache.QueryCache <IDqlObject> queryParser = new Alachisoft.NosDB.Common.Storage.Caching.QueryCache.QueryCache <IDqlObject>();
IDqlObject parsedQuery = queryParser.GetParsedQuery(_commandText);
if (parsedQuery != null && parsedQuery is SelectObject)
{
SelectObject select = parsedQuery as SelectObject;
if (select.Projections != null)
{
al = new ArrayList();
foreach (IEvaluable projection in select.Projections)
{
string prjct = "";
if (projection is BinaryExpression)
{
prjct = ((BinaryExpression)projection).Alias;
}
else
{
prjct = projection.CaseSensitiveInString.Replace("$", "");
}
if (!prjct.Contains('*'))
{
if (prjct.Contains('.')) // Incase of embedded, take the last one out.
{
string[] parts = prjct.Split('.');
prjct = parts[parts.Length - 1];
}
al.Add(prjct);
}
}
}
}
foreach (IDataParameter idp in _parameters)
{
_params.Add(new Common.Server.Engine.Impl.Parameter(idp.ParameterName, idp.Value));
}
Client.Collection <JSONDocument> coll = ((NosDbConnection)_connection)._database.GetCollection(((SelectObject)parsedQuery).Collection);
long val = 0;
ICollectionReader reader = null;
if (parsedQuery is SelectObject)
{
reader = coll.ExecuteReader(_commandText, _params);
}
else
{
val = ((NosDbConnection)_connection)._database.ExecuteNonQuery(_commandText, _params);
}
// reader = _connection._database.ExecuteQuery(query);
NosDataReader readerr = new NosDataReader(reader);
readerr.AttributesColumns = al;
readerr._rowsAffected = (int)val;
return(readerr);
}
finally
{
if (behavior == CommandBehavior.CloseConnection)
{
this._connection.Close();
}
}
}
