Examples with LlapMode org.apache.hadoop.hive.ql.optimizer.physical.LlapDecider.LlapMode used on opensource projects

Example 1 with LlapMode

use of org.apache.hadoop.hive.ql.optimizer.physical.LlapDecider.LlapMode in project hive by apache.

the class LlapPreVectorizationPass method resolve.

@Override
public PhysicalContext resolve(PhysicalContext pctx) throws SemanticException {
    HiveConf conf = pctx.getConf();
    LlapMode mode = LlapMode.valueOf(HiveConf.getVar(conf, HiveConf.ConfVars.LLAP_EXECUTION_MODE));
    if (mode == none) {
        LOG.info("LLAP disabled.");
        return pctx;
    }
    Dispatcher disp = new LlapPreVectorizationPassDispatcher(pctx);
    GraphWalker ogw = new DefaultGraphWalker(disp);
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.addAll(pctx.getRootTasks());
    ogw.startWalking(topNodes, null);
    return pctx;
}