Examples with ExpressionResult org.apache.carbondata.core.scan.expression.ExpressionResult used on opensource projects

Example 51 with ExpressionResult

use of org.apache.carbondata.core.scan.expression.ExpressionResult in project carbondata by apache.

the class RowLevelRangeFilterResolverImpl method getDirectSurrogateValues.

private List<Integer> getDirectSurrogateValues(ColumnExpression columnExpression) throws FilterUnsupportedException {
    List<ExpressionResult> listOfExpressionResults = new ArrayList<ExpressionResult>(20);
    DirectDictionaryGenerator directDictionaryGenerator = DirectDictionaryKeyGeneratorFactory.getDirectDictionaryGenerator(columnExpression.getDimension().getDataType());
    if (this.getFilterExpression() instanceof BinaryConditionalExpression) {
        listOfExpressionResults = ((BinaryConditionalExpression) this.getFilterExpression()).getLiterals();
    }
    List<Integer> filterValuesList = new ArrayList<Integer>(20);
    try {
        // system can display inconsistent result.
        for (ExpressionResult result : listOfExpressionResults) {
            filterValuesList.add(directDictionaryGenerator.generateDirectSurrogateKey(result.getString(), CarbonCommonConstants.CARBON_TIMESTAMP_DEFAULT_FORMAT));
        }
    } catch (FilterIllegalMemberException e) {
        throw new FilterUnsupportedException(e);
    }
    return filterValuesList;
}

Example 52 with ExpressionResult

use of org.apache.carbondata.core.scan.expression.ExpressionResult in project carbondata by apache.

the class RangeDirectDictionaryVisitor method populateFilterResolvedInfo.

/**
   * This Visitor method is used to populate the visitableObj with direct dictionary filter details
   * where the filters values will be resolve using dictionary cache.
   *
   * @param visitableObj
   * @param metadata
   * @throws FilterUnsupportedException,if exception occurs while evaluating
   * filter models.
   * @throws FilterUnsupportedException
   */
public void populateFilterResolvedInfo(DimColumnResolvedFilterInfo visitableObj, FilterResolverMetadata metadata) throws FilterUnsupportedException {
    DimColumnFilterInfo resolvedFilterObject = null;
    List<ExpressionResult> listOfExpressionResults = new ArrayList<ExpressionResult>(20);
    List<String> evaluateResultListFinal = new ArrayList<String>();
    try {
        listOfExpressionResults = ((RangeExpression) metadata.getExpression()).getLiterals();
        for (ExpressionResult result : listOfExpressionResults) {
            if (result.getString() == null) {
                evaluateResultListFinal.add(CarbonCommonConstants.MEMBER_DEFAULT_VAL);
                continue;
            }
            evaluateResultListFinal.add(result.getString());
        }
    } catch (FilterIllegalMemberException e) {
        throw new FilterUnsupportedException(e);
    }
    resolvedFilterObject = getDirectDictionaryValKeyMemberForFilter(metadata.getColumnExpression(), evaluateResultListFinal, metadata.isIncludeFilter(), metadata.getColumnExpression().getDimension().getDataType());
    if (!metadata.isIncludeFilter() && null != resolvedFilterObject && !resolvedFilterObject.getFilterList().contains(CarbonCommonConstants.MEMBER_DEFAULT_VAL_SURROGATE_KEY)) {
        // Adding default surrogate key of null member inorder to not display the same while
        // displaying the report as per hive compatibility.
        resolvedFilterObject.getFilterList().add(CarbonCommonConstants.MEMBER_DEFAULT_VAL_SURROGATE_KEY);
        Collections.sort(resolvedFilterObject.getFilterList());
    }
    visitableObj.setFilterValues(resolvedFilterObject);
}

Example 53 with ExpressionResult

use of org.apache.carbondata.core.scan.expression.ExpressionResult in project carbondata by apache.

the class RangeNoDictionaryTypeVisitor method populateFilterResolvedInfo.

/**
   * Visitor Method will update the filter related details in visitableObj, For no dictionary
   * type columns the filter members will resolved directly, no need to look up in dictionary
   * since it will not be part of dictionary, directly the actual data can be converted as
   * byte[] and can be set. this type of encoding is effective when the particular column
   * is having very high cardinality.
   *
   * @param visitableObj
   * @param metadata
   * @throws FilterUnsupportedException,if exception occurs while evaluating
   * filter models.
   */
public void populateFilterResolvedInfo(DimColumnResolvedFilterInfo visitableObj, FilterResolverMetadata metadata) throws FilterUnsupportedException {
    DimColumnFilterInfo resolvedFilterObject = null;
    List<ExpressionResult> listOfExpressionResults = new ArrayList<ExpressionResult>(20);
    List<String> evaluateResultListFinal = new ArrayList<String>();
    try {
        // Add The Range Filter Values.
        if (metadata.getExpression() instanceof RangeExpression) {
            listOfExpressionResults = ((RangeExpression) metadata.getExpression()).getLiterals();
        }
        for (ExpressionResult result : listOfExpressionResults) {
            if (result.getString() == null) {
                evaluateResultListFinal.add(CarbonCommonConstants.MEMBER_DEFAULT_VAL);
                continue;
            }
            evaluateResultListFinal.add(result.getString());
        }
        // evaluateResultListFinal.add(metadata.getExpression().evaluate().getListAsString());
        if (!metadata.isIncludeFilter() && !evaluateResultListFinal.contains(CarbonCommonConstants.MEMBER_DEFAULT_VAL)) {
            evaluateResultListFinal.add(CarbonCommonConstants.MEMBER_DEFAULT_VAL);
        }
    } catch (FilterIllegalMemberException e) {
        throw new FilterUnsupportedException(e);
    }
    resolvedFilterObject = FilterUtil.getNoDictionaryValKeyMemberForFilter(evaluateResultListFinal, metadata.isIncludeFilter(), metadata.getColumnExpression().getDataType());
    visitableObj.setFilterValues(resolvedFilterObject);
}

Example 54 with ExpressionResult

use of org.apache.carbondata.core.scan.expression.ExpressionResult in project carbondata by apache.

the class LessThanEqualToExpressionUnitTest method testEvaluateForLessThanEqualToExpressionWithShortDataType.

@Test
public void testEvaluateForLessThanEqualToExpressionWithShortDataType() throws FilterUnsupportedException, FilterIllegalMemberException {
    ColumnExpression right = new ColumnExpression("id", DataType.SHORT);
    right.setColIndex(0);
    ColumnExpression left = new ColumnExpression("id", DataType.SHORT);
    left.setColIndex(1);
    lessThanEqualToExpression = new LessThanEqualToExpression(left, right);
    RowImpl value = new RowImpl();
    Short[] row = { 1550 };
    Short[] row1 = { 3365 };
    Object[] objectRow = { row, row1 };
    value.setValues(objectRow);
    new MockUp<ExpressionResult>() {

        Boolean returnMockFlag = true;

        @Mock
        public Short getShort() {
            if (returnMockFlag) {
                returnMockFlag = false;
                return 1550;
            } else {
                return 3365;
            }
        }
    };
    ExpressionResult result = lessThanEqualToExpression.evaluate(value);
    assertTrue(result.getBoolean());
}

Example 55 with ExpressionResult

use of org.apache.carbondata.core.scan.expression.ExpressionResult in project carbondata by apache.

the class LessThanEqualToExpressionUnitTest method testEvaluateForLessThanEqualToExpressionWithDecimalDataType.

@Test
public void testEvaluateForLessThanEqualToExpressionWithDecimalDataType() throws FilterUnsupportedException, FilterIllegalMemberException {
    ColumnExpression right = new ColumnExpression("right_contact", DataType.DECIMAL);
    right.setColIndex(0);
    ColumnExpression left = new ColumnExpression("left_contact", DataType.DECIMAL);
    left.setColIndex(1);
    lessThanEqualToExpression = new LessThanEqualToExpression(left, right);
    RowImpl value = new RowImpl();
    Decimal[] row = new Decimal[] { Decimal.apply(46851.2) };
    Decimal[] row1 = new Decimal[] { Decimal.apply(45821.02) };
    Object[] objectRow = { row1, row };
    value.setValues(objectRow);
    new MockUp<ExpressionResult>() {

        Boolean returnMockFlag = true;

        @Mock
        public BigDecimal getDecimal() {
            if (returnMockFlag) {
                returnMockFlag = false;
                return new BigDecimal(45821.02);
            } else {
                return new BigDecimal(46851.2);
            }
        }
    };
    ExpressionResult result = lessThanEqualToExpression.evaluate(value);
    assertTrue(result.getBoolean());
}