internal bool DropQuery(VistaDBSQLQuery query)
{
int indexQuery = -1;
VistaDBSQLQuery[] newQueries;
lock (syncRoot)
{
for (int i = 0; i < queries.Length; i++)
{
if (queries[i] == query)
{
indexQuery = i;
break;
}
}
if (indexQuery < 0)
{
return(false);
}
queries[indexQuery].FreeQuery();
newQueries = new VistaDBSQLQuery[queries.Length - 1];
for (int i = 0; i < newQueries.Length; i++)
{
if (i < indexQuery)
{
newQueries[i] = queries[i];
}
else
{
newQueries[i] = queries[i + 1];
}
}
queries = newQueries;
}
return(true);
}
/// <summary>
/// Internal. Create new query for this connection.
/// </summary>
/// <returns></returns>
internal VistaDBSQLQuery NewSQLQuery()
{
VistaDBSQLQuery query;
VistaDBSQLQuery[] newQueries;
query = new VistaDBSQLQuery(this);
lock (syncRoot)
{
newQueries = new VistaDBSQLQuery[queries.Length + 1];
for (int i = 0; i < queries.Length; i++)
{
newQueries[i] = queries[i];
}
queries = newQueries;
queries[queries.GetUpperBound(0)] = query;
}
return(query);
}
internal VistaDBColumnCollection(VistaDBSQLQuery p)
{
parent = p;
}
internal VistaDBColumnCollection(VistaDBSQLQuery p)
{
parent = p;
}
internal bool DropQuery(VistaDBSQLQuery query)
{
int indexQuery = -1;
VistaDBSQLQuery[] newQueries;
lock(syncRoot)
{
for(int i = 0; i < queries.Length; i++)
{
if( queries[i] == query )
{
indexQuery = i;
break;
}
}
if(indexQuery < 0)
return false;
queries[indexQuery].FreeQuery();
newQueries = new VistaDBSQLQuery[queries.Length - 1];
for(int i = 0; i < newQueries.Length; i++)
{
if( i < indexQuery )
newQueries[i] = queries[i];
else
newQueries[i] = queries[i + 1];
}
queries = newQueries;
}
return true;
}
/// <summary>
/// Internal. Create new query for this connection.
/// </summary>
/// <returns></returns>
internal VistaDBSQLQuery NewSQLQuery()
{
VistaDBSQLQuery query;
VistaDBSQLQuery[] newQueries;
query = new VistaDBSQLQuery(this);
lock(syncRoot)
{
newQueries = new VistaDBSQLQuery[queries.Length + 1];
for(int i = 0; i < queries.Length; i++ )
{
newQueries[i] = queries[i];
}
queries = newQueries;
queries[queries.GetUpperBound(0)] = query;
}
return query;
}
