org.apache.hadoop.hbase.filter

Class TestFiltersWithBinaryComponentComparator

java.lang.Object

org.apache.hadoop.hbase.filter.TestFiltersWithBinaryComponentComparator

public class TestFiltersWithBinaryComponentComparator
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
private int	aOffset
private int	bOffset
static HBaseClassTestRule	CLASS_RULE See https://issues.apache.org/jira/browse/HBASE-22969 - for need of BinaryComponentComparator The descrption on jira should also help you in understanding tests implemented in this class
private int	cOffset
private int	dOffset
private byte[]	family
private static org.slf4j.Logger	LOG
org.junit.rules.TestName	name
private byte[]	qf
private org.apache.hadoop.hbase.TableName	tableName
private static HBaseTestingUtil	TEST_UTIL

Constructor Summary

Constructors

Constructor and Description
TestFiltersWithBinaryComponentComparator()

Method Summary

Modifier and Type	Method and Description
private org.apache.hadoop.hbase.client.Scan	createScan(org.apache.hadoop.hbase.filter.FilterList list)
private void	generateRows(org.apache.hadoop.hbase.client.Table ht, byte[] family, byte[] qf) Since we are trying to emulate SQL: SELECT * from table where a = 1 and b > 10 and b < 20 and c > 90 and c < 100 and d = 1 We are generating rows with: a = 1, b >=9 and b < 22, c >= 89 and c < 102, and d = 1 At the end the table will look something like this: ------------ a| b| c|d| ------------ 1| 9| 89|1|family:qf|xyz| ----------- 1| 9| 90|1|family:qf|abc| ----------- 1| 9| 91|1|family:qf|xyz| ------------------------- .
private List<org.apache.hadoop.hbase.Cell>	getResults(org.apache.hadoop.hbase.client.Table ht, org.apache.hadoop.hbase.client.Scan scan)
private void	setRowFilters(org.apache.hadoop.hbase.filter.FilterList filterList)
static void	setUpBeforeClass()
private void	setValueFilters(org.apache.hadoop.hbase.filter.FilterList filterList) We have rows with either "abc" or "xyz".
static void	tearDownAfterClass()
void	testRowAndValueFilterWithBinaryComponentComparator()
void	testRowFilterWithBinaryComponentComparator()
void	testValueFilterWithBinaryComponentComparator()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CLASS_RULE

public static final HBaseClassTestRule CLASS_RULE

See https://issues.apache.org/jira/browse/HBASE-22969 - for need of BinaryComponentComparator The descrption on jira should also help you in understanding tests implemented in this class

TEST_UTIL

private static final HBaseTestingUtil TEST_UTIL

LOG

private static final org.slf4j.Logger LOG

family

private byte[] family

qf

private byte[] qf

tableName

private org.apache.hadoop.hbase.TableName tableName

aOffset

private int aOffset

bOffset

private int bOffset

cOffset

private int cOffset

dOffset

private int dOffset

name

public org.junit.rules.TestName name

Constructor Detail

TestFiltersWithBinaryComponentComparator

public TestFiltersWithBinaryComponentComparator()

Method Detail

setUpBeforeClass

public static void setUpBeforeClass()
                             throws Exception

Throws:

Exception

tearDownAfterClass

public static void tearDownAfterClass()
                               throws Exception

Throws:

Exception

testRowFilterWithBinaryComponentComparator

public void testRowFilterWithBinaryComponentComparator()
                                                throws IOException

Throws:

IOException

testValueFilterWithBinaryComponentComparator

public void testValueFilterWithBinaryComponentComparator()
                                                  throws IOException

Throws:

IOException

testRowAndValueFilterWithBinaryComponentComparator

public void testRowAndValueFilterWithBinaryComponentComparator()
                                                        throws IOException

Throws:

IOException

generateRows

private void generateRows(org.apache.hadoop.hbase.client.Table ht,
                          byte[] family,
                          byte[] qf)
                   throws IOException

Since we are trying to emulate SQL: SELECT * from table where a = 1 and b > 10 and b < 20 and c > 90 and c < 100 and d = 1 We are generating rows with: a = 1, b >=9 and b < 22, c >= 89 and c < 102, and d = 1 At the end the table will look something like this: ------------ a| b| c|d| ------------ 1| 9| 89|1|family:qf|xyz| ----------- 1| 9| 90|1|family:qf|abc| ----------- 1| 9| 91|1|family:qf|xyz| ------------------------- . ------------------------- . ------------------------- 1|21|101|1|family:qf|xyz|

Throws:

IOException

setRowFilters

private void setRowFilters(org.apache.hadoop.hbase.filter.FilterList filterList)

setValueFilters

private void setValueFilters(org.apache.hadoop.hbase.filter.FilterList filterList)

We have rows with either "abc" or "xyz". We want values which have 'y' at second position of the string. As a result only values with "xyz" shall be returned

createScan

private org.apache.hadoop.hbase.client.Scan createScan(org.apache.hadoop.hbase.filter.FilterList list)

getResults

private List<org.apache.hadoop.hbase.Cell> getResults(org.apache.hadoop.hbase.client.Table ht,
                                                      org.apache.hadoop.hbase.client.Scan scan)
                                               throws IOException

Throws:

IOException