Exemple #1
0
        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);
        }
Exemple #2
0
        /// <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);
        }
Exemple #3
0
 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;
		}