public bool NextResult()
{
if ((behavior & CommandBehavior.SingleResult) != 0)
return false;
bool hasMore = command.HasMoreResults();
if (hasMore)
result = command.GetCurrentContext();
return hasMore;
}
private QueryResult[] InternalResultSetList(int count)
{
if (count <= 0)
throw new ArgumentException("'count' must be > 0");
if (results != null && results.Length != count) {
// Dispose all the ResultSet objects currently open.
for (int i = 0; i < results.Length; ++i) {
results[i].Dispose();
}
results = null;
}
if (results == null) {
results = new QueryResult[count];
for (int i = 0; i < count; ++i) {
results[i] = new QueryResult(this);
}
}
return results;
}
internal DeveelSqlDataReader(DeveelSqlCommand command, QueryResult result, CommandBehavior behavior)
{
this.command = command;
this.behavior = behavior;
this.result = result;
}
private QueryResult ExecuteQuery(QueryResult result)
{
if (connection.State != ConnectionState.Open)
throw new InvalidOperationException("The connection is in an invalid state.");
connection.OnStateChange(ConnectionState.Executing);
try {
// Execute the query,
// Make it into a regular query,
IQueryContext context = session.CreateContext();
QueryResult queryRs = new QueryResult(context);
queryRs.BeginInsertRow();
queryRs.Update(0, text);
DeveelSqlParameterCollection vars = Parameters;
for (int i = 0; i < vars.Count; ++i) {
DeveelSqlParameter v = vars[i];
if (v != null) {
queryRs.SetCurrentRowCell(new ObjectValue(v.Value), i + 1);
}
}
queryRs.InsertRow();
// Execute the query,
IQueryContext resps = session.Execute(context);
queryRs.Close();
result.ConnectionSetup(resps);
return result;
} finally {
connection.OnStateChange(ConnectionState.Open);
}
}
