Examples of NestedIterationExecNode

com.espertech.esper.epl.join.exec.base.NestedIterationExecNode
Execution node that performs a nested iteration over all child nodes.
Each child node under this node typically represents a table lookup. The implementation 'hops' from the first child to the next recursively for each row returned by a child.
It passes a 'prototype' row (prefillPath) to each new child which contains the current partial event set.

Examples of com.espertech.esper.epl.join.exec.base.NestedIterationExecNode

        if (childNodes.isEmpty())
        {
            throw new IllegalStateException("Zero child nodes for nested iteration");
        }


        NestedIterationExecNode execNode = new NestedIterationExecNode(nestingOrder);
        for (QueryPlanNode child : childNodes)
        {
            ExecNode childExec = child.makeExec(indexPerStream, streamTypes, streamViews, historicalStreamIndexList, viewExternal);
            execNode.addChildNode(childExec);
        }
        return execNode;
    }

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Examples of com.espertech.esper.epl.join.exec.base.NestedIterationExecNode

        if (childNodes.isEmpty())
        {
            throw new IllegalStateException("Zero child nodes for nested iteration");
        }


        NestedIterationExecNode execNode = new NestedIterationExecNode(nestingOrder);
        for (QueryPlanNode child : childNodes)
        {
            ExecNode childExec = child.makeExec(statementName, statementId, annotations, indexPerStream, streamTypes, streamViews, historicalStreamIndexList, viewExternal);
            execNode.addChildNode(childExec);
        }
        return execNode;
    }

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