Examples with FilterOptimizer org.apache.carbondata.core.scan.filter.intf.FilterOptimizer used on opensource projects

Example 1 with FilterOptimizer

use of org.apache.carbondata.core.scan.filter.intf.FilterOptimizer in project carbondata by apache.

the class RangeFilterProcessorTest method createFilterTree_noChange.

@Test
public void createFilterTree_noChange() {
    // Build 2nd Tree no change a < 5 and a > 20
    Expression inputFilter;
    boolean result = false;
    ColumnExpression cola = new ColumnExpression("a", DataTypes.STRING);
    cola.setDimension(true);
    ColumnSchema empColumnSchema = new ColumnSchema();
    empColumnSchema.setColumnName("empNameCol");
    empColumnSchema.setColumnUniqueId("empNameCol");
    empColumnSchema.setDimensionColumn(true);
    empColumnSchema.setEncodingList(Arrays.asList(Encoding.DICTIONARY));
    empColumnSchema.setDataType(DataTypes.STRING);
    CarbonDimension empDimension = new CarbonDimension(empColumnSchema, 0, 0, 0, 0, 0);
    cola.setDimension(empDimension);
    Expression greaterThan = new GreaterThanEqualToExpression(cola, new LiteralExpression("20", DataTypes.STRING));
    ColumnExpression colb = new ColumnExpression("a", DataTypes.STRING);
    colb.setDimension(true);
    colb.setDimension(empDimension);
    Expression lessThan = new LessThanEqualToExpression(colb, new LiteralExpression("05", DataTypes.STRING));
    inputFilter = new AndExpression(greaterThan, lessThan);
    Expression output = new AndExpression(new GreaterThanEqualToExpression(new ColumnExpression("a", DataTypes.STRING), new LiteralExpression("20", DataTypes.STRING)), new LessThanEqualToExpression(new ColumnExpression("a", DataTypes.STRING), new LiteralExpression("05", DataTypes.STRING)));
    FilterOptimizer rangeFilterOptimizer = new RangeFilterOptmizer(inputFilter);
    rangeFilterOptimizer.optimizeFilter();
    result = checkBothTrees(inputFilter, output);
    // no change
    Assert.assertTrue(result);
}

Example 2 with FilterOptimizer

use of org.apache.carbondata.core.scan.filter.intf.FilterOptimizer in project carbondata by apache.

the class RangeFilterProcessorTest method createFilterTree_flavor2.

@Test
public void createFilterTree_flavor2() {
    // Build 3rd BTree a >= '11' or a > '12' or a <= '20' or a <= '15'
    Expression inputFilter;
    boolean result = false;
    ColumnSchema empColumnSchema = new ColumnSchema();
    empColumnSchema.setColumnName("a");
    empColumnSchema.setColumnUniqueId("a");
    empColumnSchema.setDimensionColumn(true);
    empColumnSchema.setEncodingList(Arrays.asList(Encoding.DICTIONARY));
    empColumnSchema.setDataType(DataTypes.STRING);
    CarbonDimension empDimension = new CarbonDimension(empColumnSchema, 0, 0, 0, 0, 0);
    ColumnExpression cola1 = new ColumnExpression("a", DataTypes.STRING);
    cola1.setDimension(true);
    cola1.setDimension(empDimension);
    ColumnExpression cola2 = new ColumnExpression("a", DataTypes.STRING);
    cola2.setDimension(true);
    cola2.setDimension(empDimension);
    ColumnExpression cola3 = new ColumnExpression("a", DataTypes.STRING);
    cola3.setDimension(true);
    cola3.setDimension(empDimension);
    ColumnExpression cola4 = new ColumnExpression("a", DataTypes.STRING);
    cola4.setDimension(true);
    cola4.setDimension(empDimension);
    Expression lessThan1 = new LessThanEqualToExpression(cola1, new LiteralExpression("15", DataTypes.STRING));
    Expression lessThan2 = new LessThanEqualToExpression(cola2, new LiteralExpression("20", DataTypes.STRING));
    Expression greaterThan1 = new GreaterThanExpression(cola3, new LiteralExpression("12", DataTypes.STRING));
    Expression greaterThan2 = new GreaterThanEqualToExpression(cola4, new LiteralExpression("11", DataTypes.STRING));
    Expression Or1 = new OrExpression(new NotEqualsExpression(null, null), greaterThan2);
    Expression Or2 = new OrExpression(Or1, greaterThan1);
    Expression Or3 = new OrExpression(Or2, lessThan2);
    inputFilter = new OrExpression(Or3, lessThan1);
    // Build The output
    ColumnExpression colb1 = new ColumnExpression("a", DataTypes.STRING);
    cola1.setDimension(true);
    cola1.setDimension(empDimension);
    ColumnExpression colb2 = new ColumnExpression("a", DataTypes.STRING);
    cola2.setDimension(true);
    cola2.setDimension(empDimension);
    ColumnExpression colb3 = new ColumnExpression("a", DataTypes.STRING);
    cola3.setDimension(true);
    cola3.setDimension(empDimension);
    ColumnExpression colb4 = new ColumnExpression("a", DataTypes.STRING);
    cola4.setDimension(true);
    cola4.setDimension(empDimension);
    Expression lessThanb1 = new LessThanEqualToExpression(colb1, new LiteralExpression("15", DataTypes.STRING));
    Expression lessThanb2 = new LessThanEqualToExpression(colb2, new LiteralExpression("20", DataTypes.STRING));
    Expression greaterThanb1 = new GreaterThanExpression(colb3, new LiteralExpression("12", DataTypes.STRING));
    Expression greaterThanb2 = new GreaterThanEqualToExpression(colb4, new LiteralExpression("11", DataTypes.STRING));
    Expression Orb1 = new OrExpression(new NotEqualsExpression(null, null), greaterThanb2);
    Expression Orb2 = new OrExpression(Orb1, greaterThanb1);
    Expression Orb3 = new OrExpression(Orb2, lessThanb2);
    FilterOptimizer rangeFilterOptimizer = new RangeFilterOptmizer(inputFilter);
    rangeFilterOptimizer.optimizeFilter();
    result = checkBothTrees(inputFilter, new OrExpression(Orb3, lessThanb1));
    // no change
    Assert.assertTrue(result);
}

Example 3 with FilterOptimizer

use of org.apache.carbondata.core.scan.filter.intf.FilterOptimizer in project carbondata by apache.

the class CarbonTable method processFilterExpression.

public void processFilterExpression(Expression filterExpression, boolean[] isFilterDimensions, boolean[] isFilterMeasures) {
    QueryModel.processFilterExpression(this, filterExpression, isFilterDimensions, isFilterMeasures);
    if (null != filterExpression) {
        // Optimize Filter Expression and fit RANGE filters is conditions apply.
        FilterOptimizer rangeFilterOptimizer = new RangeFilterOptmizer(filterExpression);
        rangeFilterOptimizer.optimizeFilter();
    }
}

Example 4 with FilterOptimizer

use of org.apache.carbondata.core.scan.filter.intf.FilterOptimizer in project carbondata by apache.

the class CarbonInputFormatUtil method processFilterExpression.

public static void processFilterExpression(Expression filterExpression, CarbonTable carbonTable) {
    List<CarbonDimension> dimensions = carbonTable.getDimensionByTableName(carbonTable.getFactTableName());
    List<CarbonMeasure> measures = carbonTable.getMeasureByTableName(carbonTable.getFactTableName());
    QueryModel.processFilterExpression(filterExpression, dimensions, measures);
    if (null != filterExpression) {
        // Optimize Filter Expression and fit RANGE filters is conditions apply.
        FilterOptimizer rangeFilterOptimizer = new RangeFilterOptmizer(new FilterOptimizerBasic(), filterExpression);
        rangeFilterOptimizer.optimizeFilter();
    }
}

Example 5 with FilterOptimizer

use of org.apache.carbondata.core.scan.filter.intf.FilterOptimizer in project carbondata by apache.

the class RangeFilterProcessorTest method createFilterTree_flavor1.

@Test
public void createFilterTree_flavor1() {
    // Build 3rd BTree a >= '11' and a > '12' and a <= '20' and a <= '15'
    Expression inputFilter;
    boolean result = false;
    ColumnSchema empColumnSchema = new ColumnSchema();
    empColumnSchema.setColumnName("a");
    empColumnSchema.setColumnUniqueId("a");
    empColumnSchema.setDimensionColumn(true);
    empColumnSchema.setEncodingList(Arrays.asList(Encoding.DICTIONARY));
    empColumnSchema.setDataType(DataTypes.STRING);
    CarbonDimension empDimension = new CarbonDimension(empColumnSchema, 0, 0, 0, 0, 0);
    ColumnExpression cola1 = new ColumnExpression("a", DataTypes.STRING);
    cola1.setDimension(true);
    cola1.setDimension(empDimension);
    ColumnExpression cola2 = new ColumnExpression("a", DataTypes.STRING);
    cola2.setDimension(true);
    cola2.setDimension(empDimension);
    ColumnExpression cola3 = new ColumnExpression("a", DataTypes.STRING);
    cola3.setDimension(true);
    cola3.setDimension(empDimension);
    ColumnExpression cola4 = new ColumnExpression("a", DataTypes.STRING);
    cola4.setDimension(true);
    cola4.setDimension(empDimension);
    Expression lessThan1 = new LessThanEqualToExpression(cola1, new LiteralExpression("15", DataTypes.STRING));
    Expression lessThan2 = new LessThanEqualToExpression(cola2, new LiteralExpression("20", DataTypes.STRING));
    Expression greaterThan1 = new GreaterThanExpression(cola3, new LiteralExpression("12", DataTypes.STRING));
    Expression greaterThan2 = new GreaterThanEqualToExpression(cola4, new LiteralExpression("11", DataTypes.STRING));
    Expression And1 = new AndExpression(new NotEqualsExpression(null, null), greaterThan2);
    Expression And2 = new AndExpression(And1, greaterThan1);
    Expression And3 = new AndExpression(And2, lessThan2);
    inputFilter = new AndExpression(And3, lessThan1);
    // Build The output
    ColumnExpression colb1 = new ColumnExpression("a", DataTypes.STRING);
    cola1.setDimension(true);
    cola1.setDimension(empDimension);
    ColumnExpression colb2 = new ColumnExpression("a", DataTypes.STRING);
    cola2.setDimension(true);
    cola2.setDimension(empDimension);
    Expression greaterThanb1 = new GreaterThanExpression(cola3, new LiteralExpression("12", DataTypes.STRING));
    Expression lessThanb1 = new LessThanEqualToExpression(cola1, new LiteralExpression("15", DataTypes.STRING));
    Expression Andb1 = new AndExpression(new NotEqualsExpression(null, null), new TrueExpression(null));
    Expression Andb2 = new AndExpression(Andb1, new RangeExpression(greaterThanb1, lessThanb1));
    Expression Andb3 = new AndExpression(Andb2, new TrueExpression(null));
    FilterOptimizer rangeFilterOptimizer = new RangeFilterOptmizer(inputFilter);
    rangeFilterOptimizer.optimizeFilter();
    result = checkBothTrees(inputFilter, new AndExpression(Andb3, new TrueExpression(null)));
    // no change
    Assert.assertTrue(result);
}