Package org.apache.tajo.datum

Examples of org.apache.tajo.datum.Datum

50
51
52
53
54
55
56
57
58
59
60
61
    });
  }

  @Override
  public Datum eval(Tuple params) {
    Datum valueDatum = params.get(0);
    if(valueDatum instanceof NullDatum) {
      return NullDatum.get();
    }

    return DatumFactory.createFloat8(Math.toRadians(valueDatum.asFloat8()));
  }
View Full Code Here
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
    return (size < length) ? size : length;
  }

  @Override
  public Datum eval(Tuple params) {
    Datum datum = params.get(0);
    if(datum instanceof NullDatum) return NullDatum.get();

    Datum sizeDatum = params.get(1);
    if(sizeDatum instanceof NullDatum) return NullDatum.get();

    String data = datum.asChars();
    int length = data.length();
    int size = sizeDatum.asInt4();

    size = getSize(length, size);
    if (size == 0) {
        return TextDatum.EMPTY_TEXT;
    }
View Full Code Here
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
    });
  }

  @Override
  public Datum eval(Tuple params) {
    Datum datum = params.get(0);
    if(datum instanceof NullDatum) return NullDatum.get();

    try {
        MessageDigest md = MessageDigest.getInstance("MD5");
        return DatumFactory.createText(new String(Hex.encodeHex(md.digest(datum.asByteArray()))));
    } catch (NoSuchAlgorithmException e){
        return NullDatum.get();
    }
  }
View Full Code Here
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
    });
  }

  @Override
  public Datum eval(Tuple params) {
    Datum value1Datum = params.get(0);
    if(value1Datum instanceof NullDatum) {
      return NullDatum.get();
    }

    Datum value2Datum = params.get(1);
    if(value2Datum instanceof NullDatum) {
      return NullDatum.get();
    }

    long value1 = value1Datum.asInt8();
    long value2 = value2Datum.asInt8();

    if (value2 == 0) {
      return NullDatum.get();
    }
View Full Code Here
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
    });
  }

  @Override
  public Datum eval(Tuple params) {
    Datum valueDatum = params.get(0);
    if(valueDatum instanceof NullDatum) {
      return NullDatum.get();
    }

    Datum substringDatum = params.get(1);
    if(substringDatum instanceof NullDatum) {
      return NullDatum.get();
    }

    String value = valueDatum.asChars();
    String substring = substringDatum.asChars();
    if(substring.length() == 0) {
      return DatumFactory.createInt4(1);
    }

    return DatumFactory.createInt4(value.indexOf(substring) + 1);
View Full Code Here
50
51
52
53
54
55
56
57
58
59
60
61
62
63
    });
  }

  @Override
  public Datum eval(Tuple params) {
    Datum datum = params.get(0);
    if (datum instanceof NullDatum) return NullDatum.get();

    int value = datum.asInt4();
    if (value <= 0 || value > 65525) {
        return NullDatum.get();
    } else {
        return DatumFactory.createText(String.valueOf((char)value));
    }
View Full Code Here
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
    });
  }

  @Override
  public Datum eval(Tuple params) {
    Datum datum = params.get(0);

    if(datum instanceof NullDatum) return NullDatum.get();

    StringBuilder result = new StringBuilder(datum.asChars());

    for(int i = 1 ; i < params.size() ; i++) {
      Datum tmpDatum = params.get(i);
      if(tmpDatum instanceof NullDatum)
        continue;
      result.append(tmpDatum.asChars());
    }
    return DatumFactory.createText(result.toString());
  }
View Full Code Here
49
50
51
52
53
54
55
56
57
58
59
60
    });
  }

  @Override
  public Datum eval(Tuple params) {
    Datum datum = params.get(0);
    if(datum instanceof NullDatum) {
      return NullDatum.get();
    }

    return DatumFactory.createInt4(datum.asChars().length());
  }
View Full Code Here
52
53
54
55
56
57
58
59
60
61
62
63
    });
  }

  @Override
  public Datum eval(Tuple params) {
    Datum datum = params.get(0);
    if(datum instanceof NullDatum) {
      return NullDatum.get();
    }

    return  DatumFactory.createText(Long.toBinaryString(datum.asInt8()));
  }
View Full Code Here
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
    });
  }

  @Override
  public Datum eval(Tuple params) {
    Datum finding = params.get(0);
    Datum textArray = params.get(1);

    if (finding instanceof NullDatum || textArray instanceof NullDatum) {
      return NullDatum.get();
    }

    byte[] searchBytes = finding.asByteArray();

    //  Returns 0 if the first argument has any commas.
    for (int i = 0; i < finding.size(); i++) {
      if (searchBytes[i] == ',') {
        return DatumFactory.createInt4(0);
      }
    }

    byte[] arrayData = textArray.asByteArray();
    int findingLength = finding.size();

    int posInTextArray = 0;
    int curLengthOfCandidate = 0;
    boolean matching = true;

    for (int i = 0; i < textArray.size(); i++) {

      if (arrayData[i] == ',') {
        posInTextArray++;
        if (matching && curLengthOfCandidate == findingLength) {
          return DatumFactory.createInt4(posInTextArray);
View Full Code Here
TOP

Related Classes of org.apache.tajo.datum.Datum

  • org.apache.tajo.client.ResultSetImpl
  • org.apache.tajo.engine.eval.BetweenPredicateEval
  • org.apache.tajo.engine.eval.BetweenPredicateEval$AsymmetricChecker
  • org.apache.tajo.engine.eval.BetweenPredicateEval$ConstantChecker
  • org.apache.tajo.engine.eval.BetweenPredicateEval$SymmetricChecker
  • org.apache.tajo.engine.eval.BinaryEval
  • org.apache.tajo.engine.eval.CastEval
  • org.apache.tajo.engine.eval.InEval
  • org.apache.tajo.engine.eval.IsNullEval
  • org.apache.tajo.engine.eval.NotEval
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.