Package org.voltdb.expressions

Examples of org.voltdb.expressions.AbstractExpression.clone()

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                            // referencing it. We have to clone the expression
                            // tree, update the offset and then register
                            // the PlanColumn
                            TupleValueExpression clone_exp = null;
                            try {
                                clone_exp = (TupleValueExpression) exp.clone();
                            } catch (CloneNotSupportedException ex) {
                                LOG.fatal("Unexpected error", ex);
                                throw new RuntimeException(ex);
                            }
                            assert (clone_exp != null);
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                }
                joinOrderSubTree = JoinNode.reconstructJoinTreeFromTableNodes(joinOrderSubNodes);
                //Collect all the join/where conditions to reassign them later
                AbstractExpression combinedWhereExpr = subTree.getAllInnerJoinFilters();
                if (combinedWhereExpr != null) {
                    joinOrderSubTree.setWhereExpression((AbstractExpression)combinedWhereExpr.clone());
                }
                // The new tree root node id must match the original one to be able to reconnect the
                // subtrees
                joinOrderSubTree.setId(subTree.getId());
            }
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            }
            //Collect all the join/where conditions to reassign them later
            AbstractExpression combinedWhereExpr = subTree.getAllInnerJoinFilters();
            for (JoinNode newTree : newTrees) {
                if (combinedWhereExpr != null) {
                    newTree.setWhereExpression((AbstractExpression)combinedWhereExpr.clone());
                }
                // The new tree root node id must match the original one to be able to reconnect the
                // subtrees
                newTree.setId(subTree.getId());
                treePermutations.add(newTree);
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