Package org.apache.drill.exec.ref.values.ScalarValues

Examples of org.apache.drill.exec.ref.values.ScalarValues.IntegerScalar

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    case INT:
      int x = 0;
      for(int i =0; i < values.length; i++){
        x += values[i].getAsInt();
      }
      return new IntegerScalar(x);     
    case LONG:
      int l = 0;
      for(int i =0; i < values.length; i++){
        l += values[i].getAsLong();
      }
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//        return new BigDecimalScalar(node.decimalValue());
      } else {
        return new DoubleScalar(node.asDouble());
      }
    } else if (node.isInt()) {
      return new IntegerScalar(node.asInt());
    } else if (node.isLong()) {
      return new LongScalar(node.asLong());
    } else if (node.isTextual()) {
      return new StringScalar(node.asText());
    } else {
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    ExprLexer lexer = new ExprLexer(new ANTLRStringStream(expr));
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    ExprParser parser = new ExprParser(tokens);
    LogicalExpression e = parser.parse().e;
    RecordPointer r = new UnbackedRecord();
    r.addField(new SchemaPath("a", ExpressionPosition.UNKNOWN), new IntegerScalar(3));
    SimpleEvaluationVisitor builder = new SimpleEvaluationVisitor(r);
    BasicEvaluator eval = e.accept(builder, null);
    DataValue v = eval.eval();
    System.out.println(v);
  }
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Related Classes of org.apache.drill.exec.ref.values.ScalarValues.IntegerScalar

  • org.apache.drill.exec.ref.eval.SimpleEvaluationVisitor
  • org.apache.drill.exec.ref.rse.JSONRecordReader
  • org.apache.drill.exec.ref.values.NumericValue
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