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

Examples of org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPEqualOrLessThan

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    conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"), "1000");
    conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMAXSPLITSIZE"), "5000");
    InputFormat<?, ?> in = new OrcInputFormat();
    FileInputFormat.setInputPaths(conf, testFilePath.toString());

    GenericUDF udf = new GenericUDFOPEqualOrLessThan();
    List<ExprNodeDesc> childExpr = Lists.newArrayList();
    ExprNodeColumnDesc col = new ExprNodeColumnDesc(Long.class, "userid", "T", false);
    ExprNodeConstantDesc con = new ExprNodeConstantDesc(100);
    childExpr.add(col);
    childExpr.add(con);
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    conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMINSPLITSIZE"), "1000");
    conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMAXSPLITSIZE"), "150000");
    InputFormat<?, ?> in = new OrcInputFormat();
    FileInputFormat.setInputPaths(conf, testFilePath.toString());

    GenericUDF udf = new GenericUDFOPEqualOrLessThan();
    List<ExprNodeDesc> childExpr = Lists.newArrayList();
    ExprNodeColumnDesc col = new ExprNodeColumnDesc(Long.class, "userid", "T", false);
    ExprNodeConstantDesc con = new ExprNodeConstantDesc(100);
    childExpr.add(col);
    childExpr.add(con);
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    conf.set(ShimLoader.getHadoopShims().getHadoopConfNames().get("MAPREDMAXSPLITSIZE"), "150000");
    InputFormat<?, ?> in = new OrcInputFormat();
    FileInputFormat.setInputPaths(conf, testFilePath.toString());

    // predicate expression: userid <= 100 and subtype <= 1000.0
    GenericUDF udf = new GenericUDFOPEqualOrLessThan();
    List<ExprNodeDesc> childExpr = Lists.newArrayList();
    ExprNodeColumnDesc col = new ExprNodeColumnDesc(Long.class, "userid", "T", false);
    ExprNodeConstantDesc con = new ExprNodeConstantDesc(100);
    childExpr.add(col);
    childExpr.add(con);
    ExprNodeGenericFuncDesc en = new ExprNodeGenericFuncDesc(inspector, udf, childExpr);

    GenericUDF udf1 = new GenericUDFOPEqualOrLessThan();
    List<ExprNodeDesc> childExpr1 = Lists.newArrayList();
    ExprNodeColumnDesc col1 = new ExprNodeColumnDesc(Double.class, "subtype", "T", false);
    ExprNodeConstantDesc con1 = new ExprNodeConstantDesc(1000.0);
    childExpr1.add(col1);
    childExpr1.add(con1);
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    ExprNodeDesc constant2 = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "m");
    List<ExprNodeDesc> children2 = Lists.newArrayList();
    children2.add(column2);
    children2.add(constant2);
    ExprNodeDesc node2 = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo,
        new GenericUDFOPEqualOrLessThan(), children2);
    assertNotNull(node2);

    // And UDF
    List<ExprNodeDesc> bothFilters = Lists.newArrayList();
    bothFilters.add(node);
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    ExprNodeDesc constant2 = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "m");
    List<ExprNodeDesc> children2 = Lists.newArrayList();
    children2.add(column2);
    children2.add(constant2);
    ExprNodeDesc node2 = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo,
        new GenericUDFOPEqualOrLessThan(), children2);
    assertNotNull(node2);

    // Or UDF
    List<ExprNodeDesc> bothFilters = Lists.newArrayList();
    bothFilters.add(node);
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    ExprNodeDesc constant2 = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "d");
    List<ExprNodeDesc> children2 = Lists.newArrayList();
    children2.add(column2);
    children2.add(constant2);
    ExprNodeDesc node2 = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo,
        new GenericUDFOPEqualOrLessThan(), children2);
    assertNotNull(node2);

    // rowId >= 'q'
    ExprNodeDesc column3 = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "rid", null,
        false);
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    ExprNodeDesc constant2 = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "foo");
    List<ExprNodeDesc> children2 = Lists.newArrayList();
    children2.add(column2);
    children2.add(constant2);
    ExprNodeDesc node2 = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo,
        new GenericUDFOPEqualOrLessThan(), children2);
    assertNotNull(node2);

    // And UDF
    List<ExprNodeDesc> bothFilters = Lists.newArrayList();
    bothFilters.add(node);
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    ExprNodeDesc constant2 = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "m");
    List<ExprNodeDesc> children2 = Lists.newArrayList();
    children2.add(column2);
    children2.add(constant2);
    ExprNodeDesc node2 = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo,
        new GenericUDFOPEqualOrLessThan(), children2);
    assertNotNull(node2);

    // And UDF
    List<ExprNodeDesc> bothFilters = Lists.newArrayList();
    bothFilters.add(node);
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    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "aaa");
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(column);
    children.add(constant);
    ExprNodeGenericFuncDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo,
        new GenericUDFOPEqualOrLessThan(), children);
    assertNotNull(node);
    String filterExpr = Utilities.serializeExpression(node);
    conf.set(TableScanDesc.FILTER_EXPR_CONF_STR, filterExpr);

    Collection<Range> ranges = handler.getRanges(conf, columnMapper);
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    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "aaa");
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(column);
    children.add(constant);
    ExprNodeDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo,
        new GenericUDFOPEqualOrLessThan(), children);
    assertNotNull(node);

    ExprNodeDesc column2 = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "rid", null,
        false);
    ExprNodeDesc constant2 = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "bbb");
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Related Classes of org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPEqualOrLessThan

  • org.apache.hadoop.hive.accumulo.predicate.TestAccumuloPredicateHandler
  • org.apache.hadoop.hive.accumulo.predicate.TestAccumuloRangeGenerator
  • org.apache.hadoop.hive.ql.io.orc.TestOrcSplitElimination
  • org.apache.hadoop.io.Text
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