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RangeFilterProcessorTest.java
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RangeFilterProcessorTest.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.carbondata.core.util;
import java.util.Arrays;
import org.apache.carbondata.core.metadata.datatype.DataTypes;
import org.apache.carbondata.core.metadata.encoder.Encoding;
import org.apache.carbondata.core.metadata.schema.table.column.CarbonDimension;
import org.apache.carbondata.core.metadata.schema.table.column.ColumnSchema;
import org.apache.carbondata.core.scan.expression.ColumnExpression;
import org.apache.carbondata.core.scan.expression.Expression;
import org.apache.carbondata.core.scan.expression.LiteralExpression;
import org.apache.carbondata.core.scan.expression.conditional.GreaterThanEqualToExpression;
import org.apache.carbondata.core.scan.expression.conditional.GreaterThanExpression;
import org.apache.carbondata.core.scan.expression.conditional.LessThanEqualToExpression;
import org.apache.carbondata.core.scan.expression.conditional.NotEqualsExpression;
import org.apache.carbondata.core.scan.expression.logical.AndExpression;
import org.apache.carbondata.core.scan.expression.logical.OrExpression;
import org.apache.carbondata.core.scan.expression.logical.RangeExpression;
import org.apache.carbondata.core.scan.expression.logical.TrueExpression;
import org.apache.carbondata.core.scan.filter.executer.RangeValueFilterExecuterImpl;
import org.apache.carbondata.core.scan.filter.intf.FilterOptimizer;
import org.apache.carbondata.core.scan.filter.intf.FilterOptimizerBasic;
import org.apache.carbondata.core.scan.filter.optimizer.RangeFilterOptmizer;
import mockit.Deencapsulation;
import mockit.MockUp;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
/* Test Cases for Range Filter */
public class RangeFilterProcessorTest {
@BeforeClass public static void setUp() throws Exception {
}
public boolean checkBothTrees(Expression a, Expression b) {
if (null == a && null == b) {
return true;
}
if (null == a) return false;
if (null == b) return false;
if ((a != null) && (b != null)) {
return ((a.getClass() == b.getClass()) && (
(a.getChildren().size() == 0 && b.getChildren().size() == 0) || (
a.getChildren().size() == 2 && b.getChildren().size() == 2 && checkBothTrees(
a.getChildren().get(0), b.getChildren().get(0)) && checkBothTrees(
a.getChildren().get(1), b.getChildren().get(1)))));
}
return false;
}
@Test public void createFilterTree() {
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("11", DataTypes.STRING));
ColumnExpression colb = new ColumnExpression("a", DataTypes.STRING);
colb.setDimension(true);
colb.setDimension(empDimension);
Expression lessThan =
new LessThanEqualToExpression(colb, new LiteralExpression("20", DataTypes.STRING));
inputFilter = new AndExpression(greaterThan, lessThan);
Expression output = new AndExpression(new RangeExpression(
new GreaterThanEqualToExpression(new ColumnExpression("a", DataTypes.STRING),
new LiteralExpression("11", DataTypes.STRING)),
new LessThanEqualToExpression(new ColumnExpression("a", DataTypes.STRING),
new LiteralExpression("20", DataTypes.STRING))), new TrueExpression(null));
FilterOptimizer rangeFilterOptimizer =
new RangeFilterOptmizer(new FilterOptimizerBasic(), inputFilter);
rangeFilterOptimizer.optimizeFilter();
result = checkBothTrees(inputFilter, output);
Assert.assertTrue(result);
}
@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(new FilterOptimizerBasic(), inputFilter);
rangeFilterOptimizer.optimizeFilter();
result = checkBothTrees(inputFilter, output);
// no change
Assert.assertTrue(result);
}
@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(new FilterOptimizerBasic(), inputFilter);
rangeFilterOptimizer.optimizeFilter();
result = checkBothTrees(inputFilter, new AndExpression(Andb3, new TrueExpression(null)));
// no change
Assert.assertTrue(result);
}
@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(new FilterOptimizerBasic(), inputFilter);
rangeFilterOptimizer.optimizeFilter();
result = checkBothTrees(inputFilter, new OrExpression(Orb3, lessThanb1));
// no change
Assert.assertTrue(result);
}
@Test public void checkIsScanRequired1() {
byte[] BlockMin = { 1 };
byte[] BlockMax = { 2 };
boolean result;
byte[][] filterMinMax = { { (byte) 10 }, { (byte) 20 } };
RangeValueFilterExecuterImpl range = new MockUp<RangeValueFilterExecuterImpl>() {
}.getMockInstance();
Deencapsulation.setField(range, "isDimensionPresentInCurrentBlock", true);
Deencapsulation.setField(range, "lessThanExp", true);
Deencapsulation.setField(range, "greaterThanExp", true);
result = range.isScanRequired(BlockMin, BlockMax, filterMinMax);
Assert.assertFalse(result);
}
@Test public void checkIsScanRequired1_1() {
byte[] BlockMin = { 21 };
byte[] BlockMax = { 22 };
boolean result;
byte[][] filterMinMax = { { (byte) 10 }, { (byte) 20 } };
RangeValueFilterExecuterImpl range = new MockUp<RangeValueFilterExecuterImpl>() {
}.getMockInstance();
Deencapsulation.setField(range, "isDimensionPresentInCurrentBlock", true);
Deencapsulation.setField(range, "lessThanExp", true);
Deencapsulation.setField(range, "greaterThanExp", true);
result = range.isScanRequired(BlockMin, BlockMax, filterMinMax);
Assert.assertFalse(result);
}
@Test public void checkIsScanRequired2() {
byte[] BlockMin = { 12 };
byte[] BlockMax = { 16 };
boolean result;
byte[][] filterMinMax = { { (byte) 10 }, { (byte) 20 } };
RangeValueFilterExecuterImpl range = new MockUp<RangeValueFilterExecuterImpl>() {
}.getMockInstance();
Deencapsulation.setField(range, "isDimensionPresentInCurrentBlock", true);
Deencapsulation.setField(range, "lessThanExp", true);
Deencapsulation.setField(range, "greaterThanExp", true);
result = range.isScanRequired(BlockMin, BlockMax, filterMinMax);
Assert.assertTrue(result);
}
@Test public void checkIsScanRequired3() {
byte[] BlockMin = { 12 };
byte[] BlockMax = { 16 };
boolean result;
boolean rangeCovered;
byte[][] filterMinMax = { { (byte) 10 }, { (byte) 20 } };
RangeValueFilterExecuterImpl range = new MockUp<RangeValueFilterExecuterImpl>() {
}.getMockInstance();
Deencapsulation.setField(range, "isDimensionPresentInCurrentBlock", true);
Deencapsulation.setField(range, "lessThanExp", true);
Deencapsulation.setField(range, "greaterThanExp", true);
result = range.isScanRequired(BlockMin, BlockMax, filterMinMax);
rangeCovered = Deencapsulation.getField(range, "isRangeFullyCoverBlock");
Assert.assertTrue(result);
Assert.assertTrue(rangeCovered);
}
@Test public void checkIsScanRequired4() {
byte[] BlockMin = { 12 };
byte[] BlockMax = { 30 };
boolean result;
boolean startBlockMinIsDefaultStart;
byte[][] filterMinMax = { { (byte) 10 }, { (byte) 20 } };
RangeValueFilterExecuterImpl range = new MockUp<RangeValueFilterExecuterImpl>() {
}.getMockInstance();
Deencapsulation.setField(range, "isDimensionPresentInCurrentBlock", true);
Deencapsulation.setField(range, "lessThanExp", true);
Deencapsulation.setField(range, "greaterThanExp", true);
result = range.isScanRequired(BlockMin, BlockMax, filterMinMax);
startBlockMinIsDefaultStart = Deencapsulation.getField(range, "startBlockMinIsDefaultStart");
Assert.assertTrue(result);
Assert.assertTrue(startBlockMinIsDefaultStart);
}
@Test public void checkIsScanRequired5() {
byte[] BlockMin = { 10 };
byte[] BlockMax = { 16 };
boolean result;
boolean endBlockMaxisDefaultEnd;
byte[][] filterMinMax = { { (byte) 15 }, { (byte) 20 } };
RangeValueFilterExecuterImpl range = new MockUp<RangeValueFilterExecuterImpl>() {
}.getMockInstance();
Deencapsulation.setField(range, "isDimensionPresentInCurrentBlock", true);
Deencapsulation.setField(range, "lessThanExp", true);
Deencapsulation.setField(range, "greaterThanExp", true);
result = range.isScanRequired(BlockMin, BlockMax, filterMinMax);
endBlockMaxisDefaultEnd = Deencapsulation.getField(range, "endBlockMaxisDefaultEnd");
Assert.assertTrue(result);
Assert.assertTrue(endBlockMaxisDefaultEnd);
}
@AfterClass public static void testcleanUp() {
}
}