Beispiel #1
0
        public void Delete(Session session, IPersistentStore store, Row row)
        {
            if (!row.IsInMemory())
            {
                row = (Row)store.Get(row, false);
            }
            NodeAVL node = ((RowAVL)row).GetNode(this.Position);

            if (node != null)
            {
                this.Delete(store, node);
                store.UpdateElementCount(this, -1, -1);
            }
        }
Beispiel #2
0
        public virtual void Insert(Session session, IPersistentStore store, Row row)
        {
            bool useRowId = !this.isUnique || this.HasNulls(row.RowData);

            Monitor.Enter(this._lock);
            store.LockStore();
            try
            {
                bool       flag2;
                NodeAVL    eavl2;
                Constraint uniqueConstraintForIndex;
                Row        row2;
                RowAVL     wavl     = (RowAVL)row;
                NodeAVL    accessor = this.GetAccessor(store);
                if (accessor == null)
                {
                    store.SetAccessor(this, wavl.GetNode(this.Position));
                    store.SetElementCount(this, 1, 1);
                    return;
                }
Label_005C:
                row2 = accessor.GetRow(store);
                int num = this.CompareRowForInsertOrDelete(session, row, row2, useRowId, 0);
                if ((((num == 0) && (session != null)) && (!useRowId && session.database.TxManager.IsMvRows())) && !this.IsEqualReadable(session, store, accessor))
                {
                    useRowId = true;
                    num      = this.CompareRowForInsertOrDelete(session, row, row2, useRowId, this.ColIndex.Length);
                }
                if (num != 0)
                {
                    flag2    = num < 0;
                    eavl2    = accessor;
                    accessor = eavl2.Child(store, flag2);
                    if (accessor != null)
                    {
                        goto Label_005C;
                    }
                }
                else
                {
                    uniqueConstraintForIndex = null;
                    if (this.isConstraint)
                    {
                        uniqueConstraintForIndex = ((Table)this.table).GetUniqueConstraintForIndex(this);
                    }
                    goto Label_0119;
                }
                eavl2 = eavl2.Set(store, flag2, wavl.GetNode(this.Position));
                this.Balance(store, eavl2, flag2);
                store.UpdateElementCount(this, 1, 1);
                return;

Label_0119:
                if (uniqueConstraintForIndex == null)
                {
                    throw Error.GetError(0x68, this.Name.StatementName);
                }
                throw uniqueConstraintForIndex.GetException(row.RowData);
            }
            finally
            {
                store.UnlockStore();
                Monitor.Exit(this._lock);
            }
        }
Beispiel #3
0
        public override void Insert(Session session, IPersistentStore store, Row row)
        {
            object[] rowData  = row.RowData;
            bool     useRowId = !base.isUnique || base.HasNulls(rowData);
            bool     isSimple = base.IsSimple;

            lock (base._lock)
            {
                NodeAVL    eavl2;
                Constraint uniqueConstraintForIndex;
                RowAVL     wavl     = (RowAVL)row;
                NodeAVL    accessor = base.GetAccessor(store);
                if (accessor == null)
                {
                    store.SetAccessor(this, wavl.GetNode(base.Position));
                    store.SetElementCount(this, 1, 1);
                    goto Label_01BB;
                }
                bool isLeft = false;
                do
                {
                    if (base.ColTypes.Length != 0)
                    {
                        int num;
                        Row memoryRow = accessor.MemoryRow;
                        if (isSimple)
                        {
                            num = base.ColTypes[0].Compare(session, rowData[base.ColIndex[0]], memoryRow.RowData[base.ColIndex[0]], null, false);
                            if ((num == 0) & useRowId)
                            {
                                num = base.CompareRowForInsertOrDelete(session, row, memoryRow, useRowId, 1);
                            }
                        }
                        else
                        {
                            num = base.CompareRowForInsertOrDelete(session, row, memoryRow, useRowId, 0);
                        }
                        if ((((num == 0) && (session != null)) && (!useRowId && session.database.TxManager.IsMvRows())) && !base.IsEqualReadable(session, store, accessor))
                        {
                            useRowId = true;
                            num      = base.CompareRowForInsertOrDelete(session, row, memoryRow, useRowId, base.ColIndex.Length);
                        }
                        if (num == 0)
                        {
                            goto Label_013C;
                        }
                        isLeft = num < 0;
                    }
                    eavl2    = accessor;
                    accessor = isLeft ? eavl2.nLeft : eavl2.nRight;
                }while (accessor != null);
                goto Label_015C;
Label_013C:
                uniqueConstraintForIndex = null;
                if (base.isConstraint)
                {
                    uniqueConstraintForIndex = ((Table)base.table).GetUniqueConstraintForIndex(this);
                }
                goto Label_018A;
Label_015C:
                eavl2 = eavl2.Set(store, isLeft, wavl.GetNode(base.Position));
                this.Balance(store, eavl2, isLeft);
                store.UpdateElementCount(this, 1, 1);
                goto Label_01BB;
Label_018A:
                if (uniqueConstraintForIndex == null)
                {
                    throw Error.GetError(0x68, base.Name.StatementName);
                }
                throw uniqueConstraintForIndex.GetException(row.RowData);
                Label_01BB :;
            }
        }