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

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

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    greaterExprDesc.setChildren(children1);

    ExprNodeColumnDesc col2Expr = new ExprNodeColumnDesc(Float.class, "col2", "table", false);
    ExprNodeConstantDesc const2Desc = new ExprNodeConstantDesc(new Float(1.0));

    GenericUDFOPLessThan udf2 = new GenericUDFOPLessThan();
    ExprNodeGenericFuncDesc lessExprDesc = new ExprNodeGenericFuncDesc();
    lessExprDesc.setTypeInfo(TypeInfoFactory.booleanTypeInfo);
    lessExprDesc.setGenericUDF(udf2);
    List<ExprNodeDesc> children2 = new ArrayList<ExprNodeDesc>(2);
    children2.add(col2Expr);
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        Date.valueOf("2014-07-01"));
    List<ExprNodeDesc> children2 = Lists.newArrayList();
    children2.add(column2);
    children2.add(constant2);
    ExprNodeDesc node2 = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo,
        new GenericUDFOPLessThan(), 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 GenericUDFOPLessThan(), 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 constant2 = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "bbb");
    List<ExprNodeDesc> children2 = Lists.newArrayList();
    children2.add(column2);
    children2.add(constant2);
    ExprNodeDesc node2 = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo,
        new GenericUDFOPLessThan(), children2);
    assertNotNull(node2);

    List<ExprNodeDesc> bothFilters = Lists.newArrayList();
    bothFilters.add(node);
    bothFilters.add(node2);
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    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.intTypeInfo, 100);
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(constant);
    children.add(column);
    ExprNodeGenericFuncDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo,
        new GenericUDFOPLessThan(), children);
    assertNotNull(node);

    String filterExpr = Utilities.serializeExpression(node);
    conf.set(TableScanDesc.FILTER_EXPR_CONF_STR, filterExpr);
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    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.intTypeInfo, intValue);
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(constant);
    children.add(column);
    ExprNodeGenericFuncDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo,
        new GenericUDFOPLessThan(), children);
    assertNotNull(node);

    String filterExpr = Utilities.serializeExpression(node);
    conf.set(TableScanDesc.FILTER_EXPR_CONF_STR, filterExpr);
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    greaterExprDesc.setChildren(children1);

    ExprNodeColumnDesc col2Expr = new ExprNodeColumnDesc(Float.class, "col2", "table", false);
    ExprNodeConstantDesc const2Desc = new ExprNodeConstantDesc(new Float(1.0));

    GenericUDFOPLessThan udf2 = new GenericUDFOPLessThan();
    ExprNodeGenericFuncDesc lessExprDesc = new ExprNodeGenericFuncDesc();
    lessExprDesc.setTypeInfo(TypeInfoFactory.booleanTypeInfo);
    lessExprDesc.setGenericUDF(udf2);
    List<ExprNodeDesc> children2 = new ArrayList<ExprNodeDesc>(2);
    children2.add(col2Expr);
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Related Classes of org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPLessThan

  • org.apache.hadoop.hive.accumulo.predicate.TestAccumuloPredicateHandler
  • org.apache.hadoop.hive.accumulo.predicate.TestAccumuloRangeGenerator
  • org.apache.hadoop.hive.ql.exec.vector.TestVectorizationContext
  • org.apache.hadoop.io.Text
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