Package org.apache.hadoop.hive.ql.udf.generic

Examples of org.apache.hadoop.hive.ql.udf.generic.GenericUDF.flip()

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    ExprNodeDesc[] extracted = ExprNodeDescUtils.extractComparePair(expr1, expr2);
    if (extracted == null) {
      return expr;
    }
    if (extracted.length > 2) {
      genericUDF = genericUDF.flip();
    }

    String udfName = genericUDF.getUdfName();
    if (!udfNames.contains(genericUDF.getUdfName())) {
      return expr;
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    }
   
    ExprNodeColumnDesc columnDesc;
    ExprNodeConstantDesc constantDesc;
    if (extracted[0] instanceof ExprNodeConstantDesc) {
      genericUDF = genericUDF.flip();
      columnDesc = (ExprNodeColumnDesc) extracted[1];
      constantDesc = (ExprNodeConstantDesc) extracted[0];
    } else {
      columnDesc = (ExprNodeColumnDesc) extracted[0];
      constantDesc = (ExprNodeConstantDesc) extracted[1];
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