Examples with BatchExecCorrelate org.apache.flink.table.planner.plan.nodes.exec.batch.BatchExecCorrelate used on opensource projects

Example 1 with BatchExecCorrelate

use of org.apache.flink.table.planner.plan.nodes.exec.batch.BatchExecCorrelate in project flink by apache.

the class ForwardHashExchangeProcessor method addExchangeAndReconnectEdge.

// TODO This implementation should be updated once FLINK-21224 is finished.
private ExecEdge addExchangeAndReconnectEdge(ExecEdge edge, InputProperty inputProperty, boolean strict) {
    ExecNode<?> target = edge.getTarget();
    ExecNode<?> source = edge.getSource();
    if (source instanceof CommonExecExchange) {
        return edge;
    }
    // only Calc, Correlate and Sort can propagate sort property and distribution property
    if (source instanceof BatchExecCalc || source instanceof BatchExecPythonCalc || source instanceof BatchExecSort || source instanceof BatchExecCorrelate || source instanceof BatchExecPythonCorrelate) {
        ExecEdge newEdge = addExchangeAndReconnectEdge(source.getInputEdges().get(0), inputProperty, strict);
        source.setInputEdges(Collections.singletonList(newEdge));
    }
    BatchExecExchange exchange = createExchangeWithKeepInputAsIsDistribution(inputProperty, strict, (RowType) edge.getOutputType());
    ExecEdge newEdge = new ExecEdge(source, exchange, edge.getShuffle(), edge.getExchangeMode());
    exchange.setInputEdges(Collections.singletonList(newEdge));
    return new ExecEdge(exchange, target, edge.getShuffle(), edge.getExchangeMode());
}