org.apache.drill.exec

Class TestEmptyInputSql

java.lang.Object

DrillTest

org.apache.drill.exec.ExecTest

org.apache.drill.test.BaseTestQuery

org.apache.drill.exec.TestEmptyInputSql

public class TestEmptyInputSql
extends BaseTestQuery

Nested Class Summary

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

BaseTestQuery.ClassicTestServices, BaseTestQuery.SilentListener, BaseTestQuery.TestResultSet

Field Summary

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

allocator, bits, client, config, serviceSet

Fields inherited from class org.apache.drill.exec.ExecTest

c, dirTestWatcher, optionManager

Constructor Summary

Constructors

Constructor and Description
TestEmptyInputSql()

Method Summary

Modifier and Type	Method and Description
static void	setupTestFiles()
void	testEmptyDirectory()
void	testEmptyDirectoryAndFieldInQuery()
void	testEmptyDirectoryPlanSerDe()
void	testQueryConstExprEmptyJson() Test with query against an empty file.
void	testQueryEmptyCsv() Test select * against empty csv file.
void	testQueryEmptyCsvH() Test select * against empty csv with empty header.
void	testQueryEmptyJson() Test with query against an empty file.
void	testQueryMapArrayEmptyJson()
void	testQueryQualifiedStarColEmptyJson() Test with query against an empty file.
void	testQueryStarColEmptyJson() Test with query against an empty file.
void	testRenameProjectEmptyDirectory()
void	testRenameProjectEmptyJson()

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

alterSession, cloneDefaultTestConfigProperties, closeClient, errorMsgTestHelper, getAllocator, getDrillbitContext, getFile, getPhysicalFileFromResource, getResultString, getUserPort, logResult, newTest, parseErrorHelper, printResult, resetAllSessionOptions, resetDrillbitCount, resetSessionOption, runSQL, setColumnWidth, setColumnWidths, setSessionOption, setSessionOption, setSessionOption, setSessionOption, setupDefaultTestCluster, test, test, testBuilder, testLogicalWithResults, testNoResult, testNoResult, testPhysical, testPhysicalFromFile, testPhysicalWithResults, testPreparedStatement, testRunAndPrint, testRunAndReturn, testSql, testSqlWithResults, testWithListener, updateClient, updateClient, updateClient, updateTestCluster, updateTestCluster

Methods inherited from class org.apache.drill.exec.ExecTest

clear, getLocalFileSystem, mockDrillbitContext, mockUsDateFormatSymbols, mockUtcDateTimeZone, parseExpr, setupOptionManager

Methods inherited from class java.lang.Object

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

Constructor Detail

TestEmptyInputSql

public TestEmptyInputSql()

Method Detail

setupTestFiles

public static void setupTestFiles()

testQueryEmptyJson

public void testQueryEmptyJson()
                        throws Exception

Test with query against an empty file. Select clause has regular column reference, and an expression.

regular column "key" is assigned with nullable-int expression "key + 100" is materialized with nullable-int as output type.

Throws:

Exception

testQueryStarColEmptyJson

public void testQueryStarColEmptyJson()
                               throws Exception

Test with query against an empty file. Select clause has one or more * star column is expanded into an empty list.

Throws:

Exception

testQueryQualifiedStarColEmptyJson

public void testQueryQualifiedStarColEmptyJson()
                                        throws Exception

Test with query against an empty file. Select clause has one or more qualified * star column is expanded into an empty list.

Throws:

Exception

testQueryMapArrayEmptyJson

public void testQueryMapArrayEmptyJson()
                                throws Exception

Throws:

Exception

testQueryConstExprEmptyJson

public void testQueryConstExprEmptyJson()
                                 throws Exception

Test with query against an empty file. Select clause has three expressions. 1.0 + 100.0 as constant expression, is resolved to required FLOAT8/VARDECIMAL cast(100 as varchar(100) is resolved to required varchar(100) cast(columns as varchar(100)) is resolved to nullable varchar(100).

Throws:

Exception

testQueryEmptyCsvH

public void testQueryEmptyCsvH()
                        throws Exception

Test select * against empty csv with empty header. * is expanded into empty list of fields.

Throws:

Exception

testQueryEmptyCsv

public void testQueryEmptyCsv()
                       throws Exception

Test select * against empty csv file. * is expanded into "columns : repeated-varchar", which is the default column from reading a csv file.

Throws:

Exception

testEmptyDirectory

public void testEmptyDirectory()
                        throws Exception

Throws:

Exception

testEmptyDirectoryAndFieldInQuery

public void testEmptyDirectoryAndFieldInQuery()
                                       throws Exception

Throws:

Exception

testRenameProjectEmptyDirectory

public void testRenameProjectEmptyDirectory()
                                     throws Exception

Throws:

Exception

testRenameProjectEmptyJson

public void testRenameProjectEmptyJson()
                                throws Exception

Throws:

Exception

testEmptyDirectoryPlanSerDe

public void testEmptyDirectoryPlanSerDe()
                                 throws Exception

Throws:

Exception