org.apache.drill.exec.physical.rowSet

Class TestIndirectReaders

java.lang.Object

org.apache.drill.test.BaseTest

org.apache.drill.test.DrillTest

org.apache.drill.test.SubOperatorTest

org.apache.drill.exec.physical.rowSet.TestIndirectReaders

public class TestIndirectReaders
extends SubOperatorTest

Test reading with an indirection vector (sv2.) This form of indirection vector reorders values within a single batch. Since the indirection occurs only in the reader index, only light testing is done; all readers go through the same index class, so if the index works for one reader, it will for for all.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.drill.test.DrillTest

DrillTest.MemWatcher

Field Summary

Fields inherited from class org.apache.drill.test.SubOperatorTest

dirTestWatcher, fixture

Fields inherited from class org.apache.drill.test.DrillTest

logOutcome, objectMapper, REPEAT_RULE, thrownException, TIMEOUT

Constructor Summary

Constructors

Constructor and Description
TestIndirectReaders()

Method Summary

Modifier and Type	Method and Description
void	testArray() More complex case with two levels of offset vector (one for the array, another for the Varchar values.) Only the top level goes through the indirection.
void	testRequired() Simplest case: required reader, uses the index directly.

Methods inherited from class org.apache.drill.test.SubOperatorTest

classSetup, classTeardown

Methods inherited from class org.apache.drill.test.DrillTest

escapeJsonString, finishDrillTest, initDrillTest

Methods inherited from class java.lang.Object

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

Constructor Detail

TestIndirectReaders

public TestIndirectReaders()

Method Detail

testRequired

public void testRequired()

Simplest case: required reader, uses the index directly.

testArray

public void testArray()

More complex case with two levels of offset vector (one for the array, another for the Varchar values.) Only the top level goes through the indirection.