Examples with ExprNodeGenericFuncDesc org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc used on opensource projects

Example 11 with ExprNodeGenericFuncDesc

use of org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc in project hive by apache.

the class HiveRexExecutorImpl method reduce.

@Override
public void reduce(RexBuilder rexBuilder, List<RexNode> constExps, List<RexNode> reducedValues) {
    RexNodeConverter rexNodeConverter = new RexNodeConverter(cluster);
    for (RexNode rexNode : constExps) {
        // initialize the converter
        ExprNodeConverter converter = new ExprNodeConverter("", null, null, null, new HashSet<Integer>(), cluster.getTypeFactory());
        // convert RexNode to ExprNodeGenericFuncDesc
        ExprNodeDesc expr = rexNode.accept(converter);
        if (expr instanceof ExprNodeGenericFuncDesc) {
            // folding the constant
            ExprNodeDesc constant = ConstantPropagateProcFactory.foldExpr((ExprNodeGenericFuncDesc) expr);
            if (constant != null) {
                try {
                    // convert constant back to RexNode
                    reducedValues.add(rexNodeConverter.convert((ExprNodeConstantDesc) constant));
                } catch (Exception e) {
                    LOG.warn(e.getMessage());
                    reducedValues.add(rexNode);
                }
            } else {
                reducedValues.add(rexNode);
            }
        } else {
            reducedValues.add(rexNode);
        }
    }
}

Example 12 with ExprNodeGenericFuncDesc

use of org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc in project hive by apache.

the class ListBucketingPrunerUtils method evaluateOrNode.

private static Boolean evaluateOrNode(final ExprNodeDesc node, final List<String> skewedCols, final List<String> cell, final List<List<String>> uniqSkewedValues) throws SemanticException {
    List<ExprNodeDesc> children = ((ExprNodeGenericFuncDesc) node).getChildren();
    if ((children == null) || (children.size() != 2)) {
        throw new SemanticException("GenericUDFOPOr should have 2 ExprNodeDesc. Node name : " + node.getName());
    }
    ExprNodeDesc left = children.get(0);
    ExprNodeDesc right = children.get(1);
    return orBoolOperand(recursiveExpr(left, skewedCols, cell, uniqSkewedValues), recursiveExpr(right, skewedCols, cell, uniqSkewedValues));
}

Example 13 with ExprNodeGenericFuncDesc

use of org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc in project hive by apache.

the class ListBucketingPrunerUtils method evaluateAndNode.

private static Boolean evaluateAndNode(final ExprNodeDesc node, final List<String> skewedCols, final List<String> cell, final List<List<String>> uniqSkewedValues) throws SemanticException {
    List<ExprNodeDesc> children = ((ExprNodeGenericFuncDesc) node).getChildren();
    if ((children == null) || (children.size() != 2)) {
        throw new SemanticException("GenericUDFOPAnd should have 2 ExprNodeDesc. Node name : " + node.getName());
    }
    ExprNodeDesc left = children.get(0);
    ExprNodeDesc right = children.get(1);
    return andBoolOperand(recursiveExpr(left, skewedCols, cell, uniqSkewedValues), recursiveExpr(right, skewedCols, cell, uniqSkewedValues));
}

Example 14 with ExprNodeGenericFuncDesc

use of org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc in project hive by apache.

the class ListBucketingPrunerUtils method evaluateNotNode.

private static Boolean evaluateNotNode(final ExprNodeDesc node, final List<String> skewedCols, final List<String> cell, final List<List<String>> uniqSkewedValues) throws SemanticException {
    List<ExprNodeDesc> children = ((ExprNodeGenericFuncDesc) node).getChildren();
    if ((children == null) || (children.size() != 1)) {
        throw new SemanticException("GenericUDFOPNot should have 1 ExprNodeDesc. Node name : " + node.getName());
    }
    ExprNodeDesc child = children.get(0);
    return notBoolOperand(recursiveExpr(child, skewedCols, cell, uniqSkewedValues));
}

Example 15 with ExprNodeGenericFuncDesc

use of org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc in project hive by apache.

the class PTFTranslator method initExprNodeEvaluator.

private ObjectInspector initExprNodeEvaluator(ExprNodeEvaluator exprEval, ExprNodeDesc exprNode, ShapeDetails inpShape) throws HiveException {
    ObjectInspector outOI;
    outOI = exprEval.initialize(inpShape.getOI());
    /*
     * if there are any LeadLag functions in this Expression Tree: - setup a
     * duplicate Evaluator for the 1st arg of the LLFuncDesc - initialize it
     * using the InputInfo provided for this Expr tree - set the duplicate
     * evaluator on the LLUDF instance.
     */
    List<ExprNodeGenericFuncDesc> llFuncExprs = llInfo.getLLFuncExprsInTopExpr(exprNode);
    if (llFuncExprs != null) {
        for (ExprNodeGenericFuncDesc llFuncExpr : llFuncExprs) {
            ExprNodeDesc firstArg = llFuncExpr.getChildren().get(0);
            ExprNodeEvaluator dupExprEval = WindowingExprNodeEvaluatorFactory.get(llInfo, firstArg);
            dupExprEval.initialize(inpShape.getOI());
            GenericUDFLeadLag llFn = (GenericUDFLeadLag) llFuncExpr.getGenericUDF();
            llFn.setExprEvaluator(dupExprEval);
        }
    }
    return outOI;
}