/**
* 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.hadoop.hive.metastore;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import junit.framework.TestCase;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.metastore.api.AlreadyExistsException;
import org.apache.hadoop.hive.metastore.api.ConfigValSecurityException;
import org.apache.hadoop.hive.metastore.api.Database;
import org.apache.hadoop.hive.metastore.api.FieldSchema;
import org.apache.hadoop.hive.metastore.api.InvalidObjectException;
import org.apache.hadoop.hive.metastore.api.InvalidOperationException;
import org.apache.hadoop.hive.metastore.api.MetaException;
import org.apache.hadoop.hive.metastore.api.NoSuchObjectException;
import org.apache.hadoop.hive.metastore.api.Order;
import org.apache.hadoop.hive.metastore.api.Partition;
import org.apache.hadoop.hive.metastore.api.SerDeInfo;
import org.apache.hadoop.hive.metastore.api.StorageDescriptor;
import org.apache.hadoop.hive.metastore.api.Table;
import org.apache.hadoop.hive.metastore.api.Type;
import org.apache.hadoop.hive.metastore.api.UnknownDBException;
import org.apache.hadoop.hive.ql.exec.Utilities;
import org.apache.hadoop.hive.serde.Constants;
import org.apache.hadoop.util.StringUtils;
import org.apache.thrift.TException;
public abstract class TestHiveMetaStore extends TestCase {
protected static HiveMetaStoreClient client;
protected static HiveConf hiveConf;
protected static Warehouse warehouse;
protected static boolean isThriftClient = false;
private static final String TEST_DB1_NAME = "testdb1";
private static final String TEST_DB2_NAME = "testdb2";
@Override
protected void setUp() throws Exception {
hiveConf = new HiveConf(this.getClass());
warehouse = new Warehouse(hiveConf);
// set some values to use for getting conf. vars
hiveConf.set("hive.metastore.metrics.enabled","true");
hiveConf.set("hive.key1", "value1");
hiveConf.set("hive.key2", "http://www.example.com");
hiveConf.set("hive.key3", "");
hiveConf.set("hive.key4", "0");
}
public void testNameMethods() {
Map<String, String> spec = new LinkedHashMap<String, String>();
spec.put("ds", "2008-07-01 14:13:12");
spec.put("hr", "14");
List<String> vals = new ArrayList<String>();
for(String v : spec.values()) {
vals.add(v);
}
String partName = "ds=2008-07-01 14%3A13%3A12/hr=14";
try {
List<String> testVals = client.partitionNameToVals(partName);
assertTrue("Values from name are incorrect", vals.equals(testVals));
Map<String, String> testSpec = client.partitionNameToSpec(partName);
assertTrue("Spec from name is incorrect", spec.equals(testSpec));
List<String> emptyVals = client.partitionNameToVals("");
assertTrue("Values should be empty", emptyVals.size() == 0);
Map<String, String> emptySpec = client.partitionNameToSpec("");
assertTrue("Spec should be empty", emptySpec.size() == 0);
} catch (Exception e) {
assert(false);
}
}
/**
* tests create table and partition and tries to drop the table without
* droppping the partition
*
* @throws Exception
*/
public void testPartition() throws Exception {
partitionTester(client, hiveConf);
}
public static void partitionTester(HiveMetaStoreClient client, HiveConf hiveConf)
throws Exception {
try {
String dbName = "compdb";
String tblName = "comptbl";
String typeName = "Person";
List<String> vals = makeVals("2008-07-01 14:13:12", "14");
List<String> vals2 = makeVals("2008-07-01 14:13:12", "15");
List<String> vals3 = makeVals("2008-07-02 14:13:12", "15");
List<String> vals4 = makeVals("2008-07-03 14:13:12", "151");
client.dropTable(dbName, tblName);
silentDropDatabase(dbName);
Database db = new Database();
db.setName(dbName);
client.createDatabase(db);
db = client.getDatabase(dbName);
Path dbPath = new Path(db.getLocationUri());
FileSystem fs = FileSystem.get(dbPath.toUri(), hiveConf);
boolean inheritPerms = hiveConf.getBoolVar(
HiveConf.ConfVars.HIVE_WAREHOUSE_SUBDIR_INHERIT_PERMS);
FsPermission dbPermission = fs.getFileStatus(dbPath).getPermission();
if (inheritPerms) {
//Set different perms for the database dir for further tests
dbPermission = new FsPermission((short)488);
fs.setPermission(dbPath, dbPermission);
}
client.dropType(typeName);
Type typ1 = new Type();
typ1.setName(typeName);
typ1.setFields(new ArrayList<FieldSchema>(2));
typ1.getFields().add(
new FieldSchema("name", Constants.STRING_TYPE_NAME, ""));
typ1.getFields().add(
new FieldSchema("income", Constants.INT_TYPE_NAME, ""));
client.createType(typ1);
Table tbl = new Table();
tbl.setDbName(dbName);
tbl.setTableName(tblName);
StorageDescriptor sd = new StorageDescriptor();
tbl.setSd(sd);
sd.setCols(typ1.getFields());
sd.setCompressed(false);
sd.setNumBuckets(1);
sd.setParameters(new HashMap<String, String>());
sd.getParameters().put("test_param_1", "Use this for comments etc");
sd.setBucketCols(new ArrayList<String>(2));
sd.getBucketCols().add("name");
sd.setSerdeInfo(new SerDeInfo());
sd.getSerdeInfo().setName(tbl.getTableName());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters()
.put(Constants.SERIALIZATION_FORMAT, "1");
sd.setSortCols(new ArrayList<Order>());
tbl.setPartitionKeys(new ArrayList<FieldSchema>(2));
tbl.getPartitionKeys().add(
new FieldSchema("ds", Constants.STRING_TYPE_NAME, ""));
tbl.getPartitionKeys().add(
new FieldSchema("hr", Constants.STRING_TYPE_NAME, ""));
client.createTable(tbl);
if (isThriftClient) {
// the createTable() above does not update the location in the 'tbl'
// object when the client is a thrift client and the code below relies
// on the location being present in the 'tbl' object - so get the table
// from the metastore
tbl = client.getTable(dbName, tblName);
}
assertEquals(dbPermission, fs.getFileStatus(new Path(tbl.getSd().getLocation()))
.getPermission());
Partition part = makePartitionObject(dbName, tblName, vals, tbl, "/part1");
Partition part2 = makePartitionObject(dbName, tblName, vals2, tbl, "/part2");
Partition part3 = makePartitionObject(dbName, tblName, vals3, tbl, "/part3");
Partition part4 = makePartitionObject(dbName, tblName, vals4, tbl, "/part4");
// check if the partition exists (it shouldn't)
boolean exceptionThrown = false;
try {
Partition p = client.getPartition(dbName, tblName, vals);
} catch(Exception e) {
assertEquals("partition should not have existed",
NoSuchObjectException.class, e.getClass());
exceptionThrown = true;
}
assertTrue("getPartition() should have thrown NoSuchObjectException", exceptionThrown);
Partition retp = client.add_partition(part);
assertNotNull("Unable to create partition " + part, retp);
assertEquals(dbPermission, fs.getFileStatus(new Path(retp.getSd().getLocation()))
.getPermission());
Partition retp2 = client.add_partition(part2);
assertNotNull("Unable to create partition " + part2, retp2);
assertEquals(dbPermission, fs.getFileStatus(new Path(retp2.getSd().getLocation()))
.getPermission());
Partition retp3 = client.add_partition(part3);
assertNotNull("Unable to create partition " + part3, retp3);
assertEquals(dbPermission, fs.getFileStatus(new Path(retp3.getSd().getLocation()))
.getPermission());
Partition retp4 = client.add_partition(part4);
assertNotNull("Unable to create partition " + part4, retp4);
assertEquals(dbPermission, fs.getFileStatus(new Path(retp4.getSd().getLocation()))
.getPermission());
Partition part_get = client.getPartition(dbName, tblName, part.getValues());
if(isThriftClient) {
// since we are using thrift, 'part' will not have the create time and
// last DDL time set since it does not get updated in the add_partition()
// call - likewise part2 and part3 - set it correctly so that equals check
// doesn't fail
adjust(client, part, dbName, tblName);
adjust(client, part2, dbName, tblName);
adjust(client, part3, dbName, tblName);
}
assertTrue("Partitions are not same", part.equals(part_get));
String partName = "ds=2008-07-01 14%3A13%3A12/hr=14";
String part2Name = "ds=2008-07-01 14%3A13%3A12/hr=15";
String part3Name ="ds=2008-07-02 14%3A13%3A12/hr=15";
String part4Name ="ds=2008-07-03 14%3A13%3A12/hr=151";
part_get = client.getPartition(dbName, tblName, partName);
assertTrue("Partitions are not the same", part.equals(part_get));
// Test partition listing with a partial spec - ds is specified but hr is not
List<String> partialVals = new ArrayList<String>();
partialVals.add(vals.get(0));
Set<Partition> parts = new HashSet<Partition>();
parts.add(part);
parts.add(part2);
List<Partition> partial = client.listPartitions(dbName, tblName, partialVals,
(short) -1);
assertTrue("Should have returned 2 partitions", partial.size() == 2);
assertTrue("Not all parts returned", partial.containsAll(parts));
Set<String> partNames = new HashSet<String>();
partNames.add(partName);
partNames.add(part2Name);
List<String> partialNames = client.listPartitionNames(dbName, tblName, partialVals,
(short) -1);
assertTrue("Should have returned 2 partition names", partialNames.size() == 2);
assertTrue("Not all part names returned", partialNames.containsAll(partNames));
partNames.add(part3Name);
partNames.add(part4Name);
partialVals.clear();
partialVals.add("");
partialNames = client.listPartitionNames(dbName, tblName, partialVals, (short) -1);
assertTrue("Should have returned 4 partition names", partialNames.size() == 4);
assertTrue("Not all part names returned", partialNames.containsAll(partNames));
// Test partition listing with a partial spec - hr is specified but ds is not
parts.clear();
parts.add(part2);
parts.add(part3);
partialVals.clear();
partialVals.add("");
partialVals.add(vals2.get(1));
partial = client.listPartitions(dbName, tblName, partialVals, (short) -1);
assertEquals("Should have returned 2 partitions", 2, partial.size());
assertTrue("Not all parts returned", partial.containsAll(parts));
partNames.clear();
partNames.add(part2Name);
partNames.add(part3Name);
partialNames = client.listPartitionNames(dbName, tblName, partialVals,
(short) -1);
assertEquals("Should have returned 2 partition names", 2, partialNames.size());
assertTrue("Not all part names returned", partialNames.containsAll(partNames));
// Verify escaped partition names don't return partitions
exceptionThrown = false;
try {
String badPartName = "ds=2008-07-01 14%3A13%3A12/hrs=14";
client.getPartition(dbName, tblName, badPartName);
} catch(NoSuchObjectException e) {
exceptionThrown = true;
}
assertTrue("Bad partition spec should have thrown an exception", exceptionThrown);
Path partPath = new Path(part.getSd().getLocation());
assertTrue(fs.exists(partPath));
client.dropPartition(dbName, tblName, part.getValues(), true);
assertFalse(fs.exists(partPath));
// Test append_partition_by_name
client.appendPartition(dbName, tblName, partName);
Partition part5 = client.getPartition(dbName, tblName, part.getValues());
assertTrue("Append partition by name failed", part5.getValues().equals(vals));;
Path part5Path = new Path(part5.getSd().getLocation());
assertTrue(fs.exists(part5Path));
// Test drop_partition_by_name
assertTrue("Drop partition by name failed",
client.dropPartition(dbName, tblName, partName, true));
assertFalse(fs.exists(part5Path));
// add the partition again so that drop table with a partition can be
// tested
retp = client.add_partition(part);
assertNotNull("Unable to create partition " + part, retp);
assertEquals(dbPermission, fs.getFileStatus(new Path(retp.getSd().getLocation()))
.getPermission());
// test add_partitions
List<String> mvals1 = makeVals("2008-07-04 14:13:12", "14641");
List<String> mvals2 = makeVals("2008-07-04 14:13:12", "14642");
List<String> mvals3 = makeVals("2008-07-04 14:13:12", "14643");
List<String> mvals4 = makeVals("2008-07-04 14:13:12", "14643"); // equal to 3
List<String> mvals5 = makeVals("2008-07-04 14:13:12", "14645");
Exception savedException;
// add_partitions(empty list) : ok, normal operation
client.add_partitions(new ArrayList<Partition>());
// add_partitions(1,2,3) : ok, normal operation
Partition mpart1 = makePartitionObject(dbName, tblName, mvals1, tbl, "/mpart1");
Partition mpart2 = makePartitionObject(dbName, tblName, mvals2, tbl, "/mpart2");
Partition mpart3 = makePartitionObject(dbName, tblName, mvals3, tbl, "/mpart3");
client.add_partitions(Arrays.asList(mpart1,mpart2,mpart3));
if(isThriftClient) {
// do DDL time munging if thrift mode
adjust(client, mpart1, dbName, tblName);
adjust(client, mpart2, dbName, tblName);
adjust(client, mpart3, dbName, tblName);
}
verifyPartitionsPublished(client, dbName, tblName,
Arrays.asList(mvals1.get(0)),
Arrays.asList(mpart1,mpart2,mpart3));
Partition mpart4 = makePartitionObject(dbName, tblName, mvals4, tbl, "/mpart4");
Partition mpart5 = makePartitionObject(dbName, tblName, mvals5, tbl, "/mpart5");
// create dir for /mpart5
Path mp5Path = new Path(mpart5.getSd().getLocation());
warehouse.mkdirs(mp5Path);
assertTrue(fs.exists(mp5Path));
assertEquals(dbPermission, fs.getFileStatus(mp5Path).getPermission());
// add_partitions(5,4) : err = duplicate keyvals on mpart4
savedException = null;
try {
client.add_partitions(Arrays.asList(mpart5,mpart4));
} catch (Exception e) {
savedException = e;
} finally {
assertNotNull(savedException);
}
// check that /mpart4 does not exist, but /mpart5 still does.
assertTrue(fs.exists(mp5Path));
assertFalse(fs.exists(new Path(mpart4.getSd().getLocation())));
// add_partitions(5) : ok
client.add_partitions(Arrays.asList(mpart5));
if(isThriftClient) {
// do DDL time munging if thrift mode
adjust(client, mpart5, dbName, tblName);
}
verifyPartitionsPublished(client, dbName, tblName,
Arrays.asList(mvals1.get(0)),
Arrays.asList(mpart1,mpart2,mpart3,mpart5));
//// end add_partitions tests
client.dropTable(dbName, tblName);
client.dropType(typeName);
// recreate table as external, drop partition and it should
// still exist
tbl.setParameters(new HashMap<String, String>());
tbl.getParameters().put("EXTERNAL", "TRUE");
client.createTable(tbl);
retp = client.add_partition(part);
assertTrue(fs.exists(partPath));
client.dropPartition(dbName, tblName, part.getValues(), true);
assertTrue(fs.exists(partPath));
for (String tableName : client.getTables(dbName, "*")) {
client.dropTable(dbName, tableName);
}
client.dropDatabase(dbName);
} catch (Exception e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testPartition() failed.");
throw e;
}
}
private static void verifyPartitionsPublished(HiveMetaStoreClient client,
String dbName, String tblName, List<String> partialSpec,
List<Partition> expectedPartitions)
throws NoSuchObjectException, MetaException, TException {
// Test partition listing with a partial spec
List<Partition> mpartial = client.listPartitions(dbName, tblName, partialSpec,
(short) -1);
assertEquals("Should have returned "+expectedPartitions.size()+
" partitions, returned " + mpartial.size(),
expectedPartitions.size(), mpartial.size());
assertTrue("Not all parts returned", mpartial.containsAll(expectedPartitions));
}
private static List<String> makeVals(String ds, String id) {
List <String> vals4 = new ArrayList<String>(2);
vals4 = new ArrayList<String>(2);
vals4.add(ds);
vals4.add(id);
return vals4;
}
private static Partition makePartitionObject(String dbName, String tblName,
List<String> ptnVals, Table tbl, String ptnLocationSuffix) {
Partition part4 = new Partition();
part4.setDbName(dbName);
part4.setTableName(tblName);
part4.setValues(ptnVals);
part4.setParameters(new HashMap<String, String>());
part4.setSd(tbl.getSd().deepCopy());
part4.getSd().setSerdeInfo(tbl.getSd().getSerdeInfo().deepCopy());
part4.getSd().setLocation(tbl.getSd().getLocation() + ptnLocationSuffix);
return part4;
}
public void testAlterPartition() throws Throwable {
try {
String dbName = "compdb";
String tblName = "comptbl";
List<String> vals = new ArrayList<String>(2);
vals.add("2008-07-01");
vals.add("14");
client.dropTable(dbName, tblName);
silentDropDatabase(dbName);
Database db = new Database();
db.setName(dbName);
db.setDescription("Alter Partition Test database");
client.createDatabase(db);
ArrayList<FieldSchema> cols = new ArrayList<FieldSchema>(2);
cols.add(new FieldSchema("name", Constants.STRING_TYPE_NAME, ""));
cols.add(new FieldSchema("income", Constants.INT_TYPE_NAME, ""));
Table tbl = new Table();
tbl.setDbName(dbName);
tbl.setTableName(tblName);
StorageDescriptor sd = new StorageDescriptor();
tbl.setSd(sd);
sd.setCols(cols);
sd.setCompressed(false);
sd.setNumBuckets(1);
sd.setParameters(new HashMap<String, String>());
sd.getParameters().put("test_param_1", "Use this for comments etc");
sd.setBucketCols(new ArrayList<String>(2));
sd.getBucketCols().add("name");
sd.setSerdeInfo(new SerDeInfo());
sd.getSerdeInfo().setName(tbl.getTableName());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters()
.put(Constants.SERIALIZATION_FORMAT, "1");
sd.setSortCols(new ArrayList<Order>());
tbl.setPartitionKeys(new ArrayList<FieldSchema>(2));
tbl.getPartitionKeys().add(
new FieldSchema("ds", Constants.STRING_TYPE_NAME, ""));
tbl.getPartitionKeys().add(
new FieldSchema("hr", Constants.INT_TYPE_NAME, ""));
client.createTable(tbl);
if (isThriftClient) {
// the createTable() above does not update the location in the 'tbl'
// object when the client is a thrift client and the code below relies
// on the location being present in the 'tbl' object - so get the table
// from the metastore
tbl = client.getTable(dbName, tblName);
}
Partition part = new Partition();
part.setDbName(dbName);
part.setTableName(tblName);
part.setValues(vals);
part.setParameters(new HashMap<String, String>());
part.setSd(tbl.getSd());
part.getSd().setSerdeInfo(tbl.getSd().getSerdeInfo());
part.getSd().setLocation(tbl.getSd().getLocation() + "/part1");
client.add_partition(part);
Partition part2 = client.getPartition(dbName, tblName, part.getValues());
part2.getParameters().put("retention", "10");
part2.getSd().setNumBuckets(12);
part2.getSd().getSerdeInfo().getParameters().put("abc", "1");
client.alter_partition(dbName, tblName, part2);
Partition part3 = client.getPartition(dbName, tblName, part.getValues());
assertEquals("couldn't alter partition", part3.getParameters().get(
"retention"), "10");
assertEquals("couldn't alter partition", part3.getSd().getSerdeInfo()
.getParameters().get("abc"), "1");
assertEquals("couldn't alter partition", part3.getSd().getNumBuckets(),
12);
client.dropTable(dbName, tblName);
client.dropDatabase(dbName);
} catch (Exception e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testPartition() failed.");
throw e;
}
}
public void testRenamePartition() throws Throwable {
try {
String dbName = "compdb1";
String tblName = "comptbl1";
List<String> vals = new ArrayList<String>(2);
vals.add("2011-07-11");
vals.add("8");
String part_path = "/ds=2011-07-11/hr=8";
List<String> tmp_vals = new ArrayList<String>(2);
tmp_vals.add("tmp_2011-07-11");
tmp_vals.add("-8");
String part2_path = "/ds=tmp_2011-07-11/hr=-8";
client.dropTable(dbName, tblName);
silentDropDatabase(dbName);
Database db = new Database();
db.setName(dbName);
db.setDescription("Rename Partition Test database");
client.createDatabase(db);
ArrayList<FieldSchema> cols = new ArrayList<FieldSchema>(2);
cols.add(new FieldSchema("name", Constants.STRING_TYPE_NAME, ""));
cols.add(new FieldSchema("income", Constants.INT_TYPE_NAME, ""));
Table tbl = new Table();
tbl.setDbName(dbName);
tbl.setTableName(tblName);
StorageDescriptor sd = new StorageDescriptor();
tbl.setSd(sd);
sd.setCols(cols);
sd.setCompressed(false);
sd.setNumBuckets(1);
sd.setParameters(new HashMap<String, String>());
sd.getParameters().put("test_param_1", "Use this for comments etc");
sd.setBucketCols(new ArrayList<String>(2));
sd.getBucketCols().add("name");
sd.setSerdeInfo(new SerDeInfo());
sd.getSerdeInfo().setName(tbl.getTableName());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters()
.put(Constants.SERIALIZATION_FORMAT, "1");
sd.setSortCols(new ArrayList<Order>());
tbl.setPartitionKeys(new ArrayList<FieldSchema>(2));
tbl.getPartitionKeys().add(
new FieldSchema("ds", Constants.STRING_TYPE_NAME, ""));
tbl.getPartitionKeys().add(
new FieldSchema("hr", Constants.INT_TYPE_NAME, ""));
client.createTable(tbl);
if (isThriftClient) {
// the createTable() above does not update the location in the 'tbl'
// object when the client is a thrift client and the code below relies
// on the location being present in the 'tbl' object - so get the table
// from the metastore
tbl = client.getTable(dbName, tblName);
}
Partition part = new Partition();
part.setDbName(dbName);
part.setTableName(tblName);
part.setValues(vals);
part.setParameters(new HashMap<String, String>());
part.setSd(tbl.getSd().deepCopy());
part.getSd().setSerdeInfo(tbl.getSd().getSerdeInfo());
part.getSd().setLocation(tbl.getSd().getLocation() + "/part1");
part.getParameters().put("retention", "10");
part.getSd().setNumBuckets(12);
part.getSd().getSerdeInfo().getParameters().put("abc", "1");
client.add_partition(part);
part.setValues(tmp_vals);
client.renamePartition(dbName, tblName, vals, part);
boolean exceptionThrown = false;
try {
Partition p = client.getPartition(dbName, tblName, vals);
} catch(Exception e) {
assertEquals("partition should not have existed",
NoSuchObjectException.class, e.getClass());
exceptionThrown = true;
}
assertTrue("Expected NoSuchObjectException", exceptionThrown);
Partition part3 = client.getPartition(dbName, tblName, tmp_vals);
assertEquals("couldn't rename partition", part3.getParameters().get(
"retention"), "10");
assertEquals("couldn't rename partition", part3.getSd().getSerdeInfo()
.getParameters().get("abc"), "1");
assertEquals("couldn't rename partition", part3.getSd().getNumBuckets(),
12);
assertEquals("new partition sd matches", part3.getSd().getLocation(),
tbl.getSd().getLocation() + part2_path);
part.setValues(vals);
client.renamePartition(dbName, tblName, tmp_vals, part);
exceptionThrown = false;
try {
Partition p = client.getPartition(dbName, tblName, tmp_vals);
} catch(Exception e) {
assertEquals("partition should not have existed",
NoSuchObjectException.class, e.getClass());
exceptionThrown = true;
}
assertTrue("Expected NoSuchObjectException", exceptionThrown);
part3 = client.getPartition(dbName, tblName, vals);
assertEquals("couldn't rename partition", part3.getParameters().get(
"retention"), "10");
assertEquals("couldn't rename partition", part3.getSd().getSerdeInfo()
.getParameters().get("abc"), "1");
assertEquals("couldn't rename partition", part3.getSd().getNumBuckets(),
12);
assertEquals("new partition sd matches", part3.getSd().getLocation(),
tbl.getSd().getLocation() + part_path);
client.dropTable(dbName, tblName);
client.dropDatabase(dbName);
} catch (Exception e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testRenamePartition() failed.");
throw e;
}
}
public void testDatabase() throws Throwable {
try {
// clear up any existing databases
silentDropDatabase(TEST_DB1_NAME);
silentDropDatabase(TEST_DB2_NAME);
Database db = new Database();
db.setName(TEST_DB1_NAME);
client.createDatabase(db);
db = client.getDatabase(TEST_DB1_NAME);
assertEquals("name of returned db is different from that of inserted db",
TEST_DB1_NAME, db.getName());
assertEquals("location of the returned db is different from that of inserted db",
warehouse.getDatabasePath(db).toString(), db.getLocationUri());
Database db2 = new Database();
db2.setName(TEST_DB2_NAME);
client.createDatabase(db2);
db2 = client.getDatabase(TEST_DB2_NAME);
assertEquals("name of returned db is different from that of inserted db",
TEST_DB2_NAME, db2.getName());
assertEquals("location of the returned db is different from that of inserted db",
warehouse.getDatabasePath(db2).toString(), db2.getLocationUri());
List<String> dbs = client.getDatabases(".*");
assertTrue("first database is not " + TEST_DB1_NAME, dbs.contains(TEST_DB1_NAME));
assertTrue("second database is not " + TEST_DB2_NAME, dbs.contains(TEST_DB2_NAME));
client.dropDatabase(TEST_DB1_NAME);
client.dropDatabase(TEST_DB2_NAME);
silentDropDatabase(TEST_DB1_NAME);
silentDropDatabase(TEST_DB2_NAME);
} catch (Throwable e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testDatabase() failed.");
throw e;
}
}
public void testDatabaseLocation() throws Throwable {
try {
// clear up any existing databases
silentDropDatabase(TEST_DB1_NAME);
Database db = new Database();
db.setName(TEST_DB1_NAME);
String dbLocation =
HiveConf.getVar(hiveConf, HiveConf.ConfVars.METASTOREWAREHOUSE) + "/_testDB_create_";
db.setLocationUri(dbLocation);
client.createDatabase(db);
db = client.getDatabase(TEST_DB1_NAME);
assertEquals("name of returned db is different from that of inserted db",
TEST_DB1_NAME, db.getName());
assertEquals("location of the returned db is different from that of inserted db",
warehouse.getDnsPath(new Path(dbLocation)).toString(), db.getLocationUri());
client.dropDatabase(TEST_DB1_NAME);
silentDropDatabase(TEST_DB1_NAME);
db = new Database();
db.setName(TEST_DB1_NAME);
dbLocation =
HiveConf.getVar(hiveConf, HiveConf.ConfVars.METASTOREWAREHOUSE) + "/test/_testDB_create_";
FileSystem fs = FileSystem.get(new Path(dbLocation).toUri(), hiveConf);
fs.mkdirs(
new Path(HiveConf.getVar(hiveConf, HiveConf.ConfVars.METASTOREWAREHOUSE) + "/test"),
new FsPermission((short) 0));
db.setLocationUri(dbLocation);
boolean createFailed = false;
try {
client.createDatabase(db);
} catch (MetaException cantCreateDB) {
createFailed = true;
}
assertTrue("Database creation succeeded even with permission problem", createFailed);
boolean objectNotExist = false;
try {
client.getDatabase(TEST_DB1_NAME);
} catch (NoSuchObjectException e) {
objectNotExist = true;
}
assertTrue("Database " + TEST_DB1_NAME + " exists ", objectNotExist);
// Cleanup
fs.setPermission(
new Path(HiveConf.getVar(hiveConf, HiveConf.ConfVars.METASTOREWAREHOUSE) + "/test"),
new FsPermission((short) 755));
fs.delete(new Path(HiveConf.getVar(hiveConf, HiveConf.ConfVars.METASTOREWAREHOUSE) + "/test"), true);
db = new Database();
db.setName(TEST_DB1_NAME);
dbLocation =
HiveConf.getVar(hiveConf, HiveConf.ConfVars.METASTOREWAREHOUSE) + "/_testDB_file_";
fs = FileSystem.get(new Path(dbLocation).toUri(), hiveConf);
fs.createNewFile(new Path(dbLocation));
fs.deleteOnExit(new Path(dbLocation));
db.setLocationUri(dbLocation);
createFailed = false;
try {
client.createDatabase(db);
} catch (MetaException cantCreateDB) {
System.err.println(cantCreateDB.getMessage());
createFailed = true;
}
assertTrue("Database creation succeeded even location exists and is a file", createFailed);
objectNotExist = false;
try {
client.getDatabase(TEST_DB1_NAME);
} catch (NoSuchObjectException e) {
objectNotExist = true;
}
assertTrue("Database " + TEST_DB1_NAME + " exists when location is specified and is a file",
objectNotExist);
} catch (Throwable e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testDatabaseLocation() failed.");
throw e;
}
}
public void testSimpleTypeApi() throws Exception {
try {
client.dropType(Constants.INT_TYPE_NAME);
Type typ1 = new Type();
typ1.setName(Constants.INT_TYPE_NAME);
boolean ret = client.createType(typ1);
assertTrue("Unable to create type", ret);
Type typ1_2 = client.getType(Constants.INT_TYPE_NAME);
assertNotNull(typ1_2);
assertEquals(typ1.getName(), typ1_2.getName());
ret = client.dropType(Constants.INT_TYPE_NAME);
assertTrue("unable to drop type integer", ret);
boolean exceptionThrown = false;
try {
client.getType(Constants.INT_TYPE_NAME);
} catch (NoSuchObjectException e) {
exceptionThrown = true;
}
assertTrue("Expected NoSuchObjectException", exceptionThrown);
} catch (Exception e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testSimpleTypeApi() failed.");
throw e;
}
}
// TODO:pc need to enhance this with complex fields and getType_all function
public void testComplexTypeApi() throws Exception {
try {
client.dropType("Person");
Type typ1 = new Type();
typ1.setName("Person");
typ1.setFields(new ArrayList<FieldSchema>(2));
typ1.getFields().add(
new FieldSchema("name", Constants.STRING_TYPE_NAME, ""));
typ1.getFields().add(
new FieldSchema("income", Constants.INT_TYPE_NAME, ""));
boolean ret = client.createType(typ1);
assertTrue("Unable to create type", ret);
Type typ1_2 = client.getType("Person");
assertNotNull("type Person not found", typ1_2);
assertEquals(typ1.getName(), typ1_2.getName());
assertEquals(typ1.getFields().size(), typ1_2.getFields().size());
assertEquals(typ1.getFields().get(0), typ1_2.getFields().get(0));
assertEquals(typ1.getFields().get(1), typ1_2.getFields().get(1));
client.dropType("Family");
Type fam = new Type();
fam.setName("Family");
fam.setFields(new ArrayList<FieldSchema>(2));
fam.getFields().add(
new FieldSchema("name", Constants.STRING_TYPE_NAME, ""));
fam.getFields().add(
new FieldSchema("members",
MetaStoreUtils.getListType(typ1.getName()), ""));
ret = client.createType(fam);
assertTrue("Unable to create type " + fam.getName(), ret);
Type fam2 = client.getType("Family");
assertNotNull("type Person not found", fam2);
assertEquals(fam.getName(), fam2.getName());
assertEquals(fam.getFields().size(), fam2.getFields().size());
assertEquals(fam.getFields().get(0), fam2.getFields().get(0));
assertEquals(fam.getFields().get(1), fam2.getFields().get(1));
ret = client.dropType("Family");
assertTrue("unable to drop type Family", ret);
ret = client.dropType("Person");
assertTrue("unable to drop type Person", ret);
boolean exceptionThrown = false;
try {
client.getType("Person");
} catch (NoSuchObjectException e) {
exceptionThrown = true;
}
assertTrue("Expected NoSuchObjectException", exceptionThrown);
} catch (Exception e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testComplexTypeApi() failed.");
throw e;
}
}
public void testSimpleTable() throws Exception {
try {
String dbName = "simpdb";
String tblName = "simptbl";
String tblName2 = "simptbl2";
String typeName = "Person";
client.dropTable(dbName, tblName);
silentDropDatabase(dbName);
Database db = new Database();
db.setName(dbName);
client.createDatabase(db);
client.dropType(typeName);
Type typ1 = new Type();
typ1.setName(typeName);
typ1.setFields(new ArrayList<FieldSchema>(2));
typ1.getFields().add(
new FieldSchema("name", Constants.STRING_TYPE_NAME, ""));
typ1.getFields().add(
new FieldSchema("income", Constants.INT_TYPE_NAME, ""));
client.createType(typ1);
Table tbl = new Table();
tbl.setDbName(dbName);
tbl.setTableName(tblName);
StorageDescriptor sd = new StorageDescriptor();
tbl.setSd(sd);
sd.setCols(typ1.getFields());
sd.setCompressed(false);
sd.setNumBuckets(1);
sd.setParameters(new HashMap<String, String>());
sd.getParameters().put("test_param_1", "Use this for comments etc");
sd.setBucketCols(new ArrayList<String>(2));
sd.getBucketCols().add("name");
sd.setSerdeInfo(new SerDeInfo());
sd.getSerdeInfo().setName(tbl.getTableName());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters().put(
org.apache.hadoop.hive.serde.Constants.SERIALIZATION_FORMAT, "1");
sd.getSerdeInfo().setSerializationLib(
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.class.getName());
tbl.setPartitionKeys(new ArrayList<FieldSchema>());
client.createTable(tbl);
if (isThriftClient) {
// the createTable() above does not update the location in the 'tbl'
// object when the client is a thrift client and the code below relies
// on the location being present in the 'tbl' object - so get the table
// from the metastore
tbl = client.getTable(dbName, tblName);
}
Table tbl2 = client.getTable(dbName, tblName);
assertNotNull(tbl2);
assertEquals(tbl2.getDbName(), dbName);
assertEquals(tbl2.getTableName(), tblName);
assertEquals(tbl2.getSd().getCols().size(), typ1.getFields().size());
assertEquals(tbl2.getSd().isCompressed(), false);
assertEquals(tbl2.getSd().getNumBuckets(), 1);
assertEquals(tbl2.getSd().getLocation(), tbl.getSd().getLocation());
assertNotNull(tbl2.getSd().getSerdeInfo());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters().put(
org.apache.hadoop.hive.serde.Constants.SERIALIZATION_FORMAT, "1");
tbl2.setTableName(tblName2);
tbl2.setParameters(new HashMap<String, String>());
tbl2.getParameters().put("EXTERNAL", "TRUE");
tbl2.getSd().setLocation(tbl.getSd().getLocation() + "-2");
List<FieldSchema> fieldSchemas = client.getFields(dbName, tblName);
assertNotNull(fieldSchemas);
assertEquals(fieldSchemas.size(), tbl.getSd().getCols().size());
for (FieldSchema fs : tbl.getSd().getCols()) {
assertTrue(fieldSchemas.contains(fs));
}
List<FieldSchema> fieldSchemasFull = client.getSchema(dbName, tblName);
assertNotNull(fieldSchemasFull);
assertEquals(fieldSchemasFull.size(), tbl.getSd().getCols().size()
+ tbl.getPartitionKeys().size());
for (FieldSchema fs : tbl.getSd().getCols()) {
assertTrue(fieldSchemasFull.contains(fs));
}
for (FieldSchema fs : tbl.getPartitionKeys()) {
assertTrue(fieldSchemasFull.contains(fs));
}
client.createTable(tbl2);
if (isThriftClient) {
tbl2 = client.getTable(tbl2.getDbName(), tbl2.getTableName());
}
Table tbl3 = client.getTable(dbName, tblName2);
assertNotNull(tbl3);
assertEquals(tbl3.getDbName(), dbName);
assertEquals(tbl3.getTableName(), tblName2);
assertEquals(tbl3.getSd().getCols().size(), typ1.getFields().size());
assertEquals(tbl3.getSd().isCompressed(), false);
assertEquals(tbl3.getSd().getNumBuckets(), 1);
assertEquals(tbl3.getSd().getLocation(), tbl2.getSd().getLocation());
assertEquals(tbl3.getParameters(), tbl2.getParameters());
fieldSchemas = client.getFields(dbName, tblName2);
assertNotNull(fieldSchemas);
assertEquals(fieldSchemas.size(), tbl2.getSd().getCols().size());
for (FieldSchema fs : tbl2.getSd().getCols()) {
assertTrue(fieldSchemas.contains(fs));
}
fieldSchemasFull = client.getSchema(dbName, tblName2);
assertNotNull(fieldSchemasFull);
assertEquals(fieldSchemasFull.size(), tbl2.getSd().getCols().size()
+ tbl2.getPartitionKeys().size());
for (FieldSchema fs : tbl2.getSd().getCols()) {
assertTrue(fieldSchemasFull.contains(fs));
}
for (FieldSchema fs : tbl2.getPartitionKeys()) {
assertTrue(fieldSchemasFull.contains(fs));
}
assertEquals("Use this for comments etc", tbl2.getSd().getParameters()
.get("test_param_1"));
assertEquals("name", tbl2.getSd().getBucketCols().get(0));
assertTrue("Partition key list is not empty",
(tbl2.getPartitionKeys() == null)
|| (tbl2.getPartitionKeys().size() == 0));
//test get_table_objects_by_name functionality
ArrayList<String> tableNames = new ArrayList<String>();
tableNames.add(tblName2);
tableNames.add(tblName);
tableNames.add(tblName2);
List<Table> foundTables = client.getTableObjectsByName(dbName, tableNames);
assertEquals(foundTables.size(), 2);
for (Table t: foundTables) {
if (t.getTableName().equals(tblName2)) {
assertEquals(t.getSd().getLocation(), tbl2.getSd().getLocation());
} else {
assertEquals(t.getTableName(), tblName);
assertEquals(t.getSd().getLocation(), tbl.getSd().getLocation());
}
assertEquals(t.getSd().getCols().size(), typ1.getFields().size());
assertEquals(t.getSd().isCompressed(), false);
assertEquals(foundTables.get(0).getSd().getNumBuckets(), 1);
assertNotNull(t.getSd().getSerdeInfo());
assertEquals(t.getDbName(), dbName);
}
tableNames.add(1, "table_that_doesnt_exist");
foundTables = client.getTableObjectsByName(dbName, tableNames);
assertEquals(foundTables.size(), 2);
InvalidOperationException ioe = null;
try {
foundTables = client.getTableObjectsByName(dbName, null);
} catch (InvalidOperationException e) {
ioe = e;
}
assertNotNull(ioe);
assertTrue("Table not found", ioe.getMessage().contains("null tables"));
UnknownDBException udbe = null;
try {
foundTables = client.getTableObjectsByName("db_that_doesnt_exist", tableNames);
} catch (UnknownDBException e) {
udbe = e;
}
assertNotNull(udbe);
assertTrue("DB not found", udbe.getMessage().contains("not find database db_that_doesnt_exist"));
udbe = null;
try {
foundTables = client.getTableObjectsByName("", tableNames);
} catch (UnknownDBException e) {
udbe = e;
}
assertNotNull(udbe);
assertTrue("DB not found", udbe.getMessage().contains("is null or empty"));
FileSystem fs = FileSystem.get((new Path(tbl.getSd().getLocation())).toUri(), hiveConf);
client.dropTable(dbName, tblName);
assertFalse(fs.exists(new Path(tbl.getSd().getLocation())));
client.dropTable(dbName, tblName2);
assertTrue(fs.exists(new Path(tbl2.getSd().getLocation())));
client.dropType(typeName);
client.dropDatabase(dbName);
} catch (Exception e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testSimpleTable() failed.");
throw e;
}
}
public void testAlterTable() throws Exception {
String dbName = "alterdb";
String invTblName = "alter-tbl";
String tblName = "altertbl";
try {
client.dropTable(dbName, tblName);
silentDropDatabase(dbName);
Database db = new Database();
db.setName(dbName);
client.createDatabase(db);
ArrayList<FieldSchema> invCols = new ArrayList<FieldSchema>(2);
invCols.add(new FieldSchema("n-ame", Constants.STRING_TYPE_NAME, ""));
invCols.add(new FieldSchema("in.come", Constants.INT_TYPE_NAME, ""));
Table tbl = new Table();
tbl.setDbName(dbName);
tbl.setTableName(invTblName);
StorageDescriptor sd = new StorageDescriptor();
tbl.setSd(sd);
sd.setCols(invCols);
sd.setCompressed(false);
sd.setNumBuckets(1);
sd.setParameters(new HashMap<String, String>());
sd.getParameters().put("test_param_1", "Use this for comments etc");
sd.setBucketCols(new ArrayList<String>(2));
sd.getBucketCols().add("name");
sd.setSerdeInfo(new SerDeInfo());
sd.getSerdeInfo().setName(tbl.getTableName());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters().put(
org.apache.hadoop.hive.serde.Constants.SERIALIZATION_FORMAT, "1");
boolean failed = false;
try {
client.createTable(tbl);
} catch (InvalidObjectException ex) {
failed = true;
}
if (!failed) {
assertTrue("Able to create table with invalid name: " + invTblName,
false);
}
ArrayList<FieldSchema> cols = new ArrayList<FieldSchema>(2);
cols.add(new FieldSchema("name", Constants.STRING_TYPE_NAME, ""));
cols.add(new FieldSchema("income", Constants.INT_TYPE_NAME, ""));
// create a valid table
tbl.setTableName(tblName);
tbl.getSd().setCols(cols);
client.createTable(tbl);
if (isThriftClient) {
tbl = client.getTable(tbl.getDbName(), tbl.getTableName());
}
// now try to invalid alter table
Table tbl2 = client.getTable(dbName, tblName);
failed = false;
try {
tbl2.setTableName(invTblName);
tbl2.getSd().setCols(invCols);
client.alter_table(dbName, tblName, tbl2);
} catch (InvalidOperationException ex) {
failed = true;
}
if (!failed) {
assertTrue("Able to rename table with invalid name: " + invTblName,
false);
}
//try an invalid alter table with partition key name
Table tbl_pk = client.getTable(tbl.getDbName(), tbl.getTableName());
List<FieldSchema> partitionKeys = tbl_pk.getPartitionKeys();
for (FieldSchema fs : partitionKeys) {
fs.setName("invalid_to_change_name");
fs.setComment("can_change_comment");
}
tbl_pk.setPartitionKeys(partitionKeys);
try {
client.alter_table(dbName, tblName, tbl_pk);
} catch (InvalidOperationException ex) {
failed = true;
}
assertTrue("Should not have succeeded in altering partition key name", failed);
//try a valid alter table partition key comment
failed = false;
tbl_pk = client.getTable(tbl.getDbName(), tbl.getTableName());
partitionKeys = tbl_pk.getPartitionKeys();
for (FieldSchema fs : partitionKeys) {
fs.setComment("can_change_comment");
}
tbl_pk.setPartitionKeys(partitionKeys);
try {
client.alter_table(dbName, tblName, tbl_pk);
} catch (InvalidOperationException ex) {
failed = true;
}
assertFalse("Should not have failed alter table partition comment", failed);
Table newT = client.getTable(tbl.getDbName(), tbl.getTableName());
assertEquals(partitionKeys, newT.getPartitionKeys());
// try a valid alter table
tbl2.setTableName(tblName + "_renamed");
tbl2.getSd().setCols(cols);
tbl2.getSd().setNumBuckets(32);
client.alter_table(dbName, tblName, tbl2);
Table tbl3 = client.getTable(dbName, tbl2.getTableName());
assertEquals("Alter table didn't succeed. Num buckets is different ",
tbl2.getSd().getNumBuckets(), tbl3.getSd().getNumBuckets());
// check that data has moved
FileSystem fs = FileSystem.get((new Path(tbl.getSd().getLocation())).toUri(), hiveConf);
assertFalse("old table location still exists", fs.exists(new Path(tbl
.getSd().getLocation())));
assertTrue("data did not move to new location", fs.exists(new Path(tbl3
.getSd().getLocation())));
if (!isThriftClient) {
assertEquals("alter table didn't move data correct location", tbl3
.getSd().getLocation(), tbl2.getSd().getLocation());
}
} catch (Exception e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testSimpleTable() failed.");
throw e;
} finally {
silentDropDatabase(dbName);
}
}
public void testComplexTable() throws Exception {
String dbName = "compdb";
String tblName = "comptbl";
String typeName = "Person";
try {
client.dropTable(dbName, tblName);
silentDropDatabase(dbName);
Database db = new Database();
db.setName(dbName);
client.createDatabase(db);
client.dropType(typeName);
Type typ1 = new Type();
typ1.setName(typeName);
typ1.setFields(new ArrayList<FieldSchema>(2));
typ1.getFields().add(
new FieldSchema("name", Constants.STRING_TYPE_NAME, ""));
typ1.getFields().add(
new FieldSchema("income", Constants.INT_TYPE_NAME, ""));
client.createType(typ1);
Table tbl = new Table();
tbl.setDbName(dbName);
tbl.setTableName(tblName);
StorageDescriptor sd = new StorageDescriptor();
tbl.setSd(sd);
sd.setCols(typ1.getFields());
sd.setCompressed(false);
sd.setNumBuckets(1);
sd.setParameters(new HashMap<String, String>());
sd.getParameters().put("test_param_1", "Use this for comments etc");
sd.setBucketCols(new ArrayList<String>(2));
sd.getBucketCols().add("name");
sd.setSerdeInfo(new SerDeInfo());
sd.getSerdeInfo().setName(tbl.getTableName());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters().put(
org.apache.hadoop.hive.serde.Constants.SERIALIZATION_FORMAT, "9");
sd.getSerdeInfo().setSerializationLib(
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.class.getName());
tbl.setPartitionKeys(new ArrayList<FieldSchema>(2));
tbl.getPartitionKeys().add(
new FieldSchema("ds",
org.apache.hadoop.hive.serde.Constants.DATE_TYPE_NAME, ""));
tbl.getPartitionKeys().add(
new FieldSchema("hr",
org.apache.hadoop.hive.serde.Constants.INT_TYPE_NAME, ""));
client.createTable(tbl);
Table tbl2 = client.getTable(dbName, tblName);
assertEquals(tbl2.getDbName(), dbName);
assertEquals(tbl2.getTableName(), tblName);
assertEquals(tbl2.getSd().getCols().size(), typ1.getFields().size());
assertFalse(tbl2.getSd().isCompressed());
assertEquals(tbl2.getSd().getNumBuckets(), 1);
assertEquals("Use this for comments etc", tbl2.getSd().getParameters()
.get("test_param_1"));
assertEquals("name", tbl2.getSd().getBucketCols().get(0));
assertNotNull(tbl2.getPartitionKeys());
assertEquals(2, tbl2.getPartitionKeys().size());
assertEquals(Constants.DATE_TYPE_NAME, tbl2.getPartitionKeys().get(0)
.getType());
assertEquals(Constants.INT_TYPE_NAME, tbl2.getPartitionKeys().get(1)
.getType());
assertEquals("ds", tbl2.getPartitionKeys().get(0).getName());
assertEquals("hr", tbl2.getPartitionKeys().get(1).getName());
List<FieldSchema> fieldSchemas = client.getFields(dbName, tblName);
assertNotNull(fieldSchemas);
assertEquals(fieldSchemas.size(), tbl.getSd().getCols().size());
for (FieldSchema fs : tbl.getSd().getCols()) {
assertTrue(fieldSchemas.contains(fs));
}
List<FieldSchema> fieldSchemasFull = client.getSchema(dbName, tblName);
assertNotNull(fieldSchemasFull);
assertEquals(fieldSchemasFull.size(), tbl.getSd().getCols().size()
+ tbl.getPartitionKeys().size());
for (FieldSchema fs : tbl.getSd().getCols()) {
assertTrue(fieldSchemasFull.contains(fs));
}
for (FieldSchema fs : tbl.getPartitionKeys()) {
assertTrue(fieldSchemasFull.contains(fs));
}
} catch (Exception e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testComplexTable() failed.");
throw e;
} finally {
client.dropTable(dbName, tblName);
boolean ret = client.dropType(typeName);
assertTrue("Unable to drop type " + typeName, ret);
client.dropDatabase(dbName);
}
}
public void testTableDatabase() throws Exception {
String dbName = "testDb";
String tblName_1 = "testTbl_1";
String tblName_2 = "testTbl_2";
try {
silentDropDatabase(dbName);
Database db = new Database();
db.setName(dbName);
String dbLocation =
HiveConf.getVar(hiveConf, HiveConf.ConfVars.METASTOREWAREHOUSE) + "_testDB_table_create_";
db.setLocationUri(dbLocation);
client.createDatabase(db);
db = client.getDatabase(dbName);
Table tbl = new Table();
tbl.setDbName(dbName);
tbl.setTableName(tblName_1);
ArrayList<FieldSchema> cols = new ArrayList<FieldSchema>(2);
cols.add(new FieldSchema("name", Constants.STRING_TYPE_NAME, ""));
cols.add(new FieldSchema("income", Constants.INT_TYPE_NAME, ""));
StorageDescriptor sd = new StorageDescriptor();
sd.setSerdeInfo(new SerDeInfo());
sd.getSerdeInfo().setName(tbl.getTableName());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters().put(
org.apache.hadoop.hive.serde.Constants.SERIALIZATION_FORMAT, "9");
sd.getSerdeInfo().setSerializationLib(
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe.class.getName());
tbl.setSd(sd);
tbl.getSd().setCols(cols);
client.createTable(tbl);
tbl = client.getTable(dbName, tblName_1);
Path path = new Path(tbl.getSd().getLocation());
System.err.println("Table's location " + path + ", Database's location " + db.getLocationUri());
assertEquals("Table location is not a subset of the database location",
path.getParent().toString(), db.getLocationUri());
} catch (Exception e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testTableDatabase() failed.");
throw e;
} finally {
silentDropDatabase(dbName);
}
}
public void testGetConfigValue() {
String val = "value";
if (!isThriftClient) {
try {
assertEquals(client.getConfigValue("hive.key1", val), "value1");
assertEquals(client.getConfigValue("hive.key2", val), "http://www.example.com");
assertEquals(client.getConfigValue("hive.key3", val), "");
assertEquals(client.getConfigValue("hive.key4", val), "0");
assertEquals(client.getConfigValue("hive.key5", val), val);
assertEquals(client.getConfigValue(null, val), val);
} catch (TException e) {
e.printStackTrace();
assert (false);
} catch (ConfigValSecurityException e) {
e.printStackTrace();
assert (false);
}
}
boolean threwException = false;
try {
// Attempting to get the password should throw an exception
client.getConfigValue("javax.jdo.option.ConnectionPassword", "password");
} catch (TException e) {
e.printStackTrace();
assert (false);
} catch (ConfigValSecurityException e) {
threwException = true;
}
assert (threwException);
}
private static void adjust(HiveMetaStoreClient client, Partition part,
String dbName, String tblName)
throws NoSuchObjectException, MetaException, TException {
Partition part_get = client.getPartition(dbName, tblName, part.getValues());
part.setCreateTime(part_get.getCreateTime());
part.putToParameters(org.apache.hadoop.hive.metastore.api.Constants.DDL_TIME, Long.toString(part_get.getCreateTime()));
}
private static void silentDropDatabase(String dbName) throws MetaException, TException {
try {
for (String tableName : client.getTables(dbName, "*")) {
client.dropTable(dbName, tableName);
}
client.dropDatabase(dbName);
} catch (NoSuchObjectException e) {
} catch (InvalidOperationException e) {
}
}
/**
* Tests for list partition by filter functionality.
* @throws Exception
*/
public void testPartitionFilter() throws Exception {
String dbName = "filterdb";
String tblName = "filtertbl";
List<String> vals = new ArrayList<String>(3);
vals.add("p11");
vals.add("p21");
vals.add("p31");
List <String> vals2 = new ArrayList<String>(3);
vals2.add("p11");
vals2.add("p22");
vals2.add("p31");
List <String> vals3 = new ArrayList<String>(3);
vals3.add("p12");
vals3.add("p21");
vals3.add("p31");
List <String> vals4 = new ArrayList<String>(3);
vals4.add("p12");
vals4.add("p23");
vals4.add("p31");
List <String> vals5 = new ArrayList<String>(3);
vals5.add("p13");
vals5.add("p24");
vals5.add("p31");
List <String> vals6 = new ArrayList<String>(3);
vals6.add("p13");
vals6.add("p25");
vals6.add("p31");
silentDropDatabase(dbName);
Database db = new Database();
db.setName(dbName);
client.createDatabase(db);
ArrayList<FieldSchema> cols = new ArrayList<FieldSchema>(2);
cols.add(new FieldSchema("c1", Constants.STRING_TYPE_NAME, ""));
cols.add(new FieldSchema("c2", Constants.INT_TYPE_NAME, ""));
ArrayList<FieldSchema> partCols = new ArrayList<FieldSchema>(3);
partCols.add(new FieldSchema("p1", Constants.STRING_TYPE_NAME, ""));
partCols.add(new FieldSchema("p2", Constants.STRING_TYPE_NAME, ""));
partCols.add(new FieldSchema("p3", Constants.INT_TYPE_NAME, ""));
Table tbl = new Table();
tbl.setDbName(dbName);
tbl.setTableName(tblName);
StorageDescriptor sd = new StorageDescriptor();
tbl.setSd(sd);
sd.setCols(cols);
sd.setCompressed(false);
sd.setNumBuckets(1);
sd.setParameters(new HashMap<String, String>());
sd.setBucketCols(new ArrayList<String>());
sd.setSerdeInfo(new SerDeInfo());
sd.getSerdeInfo().setName(tbl.getTableName());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters()
.put(Constants.SERIALIZATION_FORMAT, "1");
sd.setSortCols(new ArrayList<Order>());
tbl.setPartitionKeys(partCols);
client.createTable(tbl);
tbl = client.getTable(dbName, tblName);
add_partition(client, tbl, vals, "part1");
add_partition(client, tbl, vals2, "part2");
add_partition(client, tbl, vals3, "part3");
add_partition(client, tbl, vals4, "part4");
add_partition(client, tbl, vals5, "part5");
add_partition(client, tbl, vals6, "part6");
checkFilter(client, dbName, tblName, "p1 = \"p11\"", 2);
checkFilter(client, dbName, tblName, "p1 = \"p12\"", 2);
checkFilter(client, dbName, tblName, "p2 = \"p21\"", 2);
checkFilter(client, dbName, tblName, "p2 = \"p23\"", 1);
checkFilter(client, dbName, tblName, "p1 = \"p11\" and p2=\"p22\"", 1);
checkFilter(client, dbName, tblName, "p1 = \"p11\" or p2=\"p23\"", 3);
checkFilter(client, dbName, tblName, "p1 = \"p11\" or p1=\"p12\"", 4);
checkFilter(client, dbName, tblName,
"p1 = \"p11\" or (p1=\"p12\" and p2=\"p21\")", 3);
checkFilter(client, dbName, tblName,
"p1 = \"p11\" or (p1=\"p12\" and p2=\"p21\") Or " +
"(p1=\"p13\" aNd p2=\"p24\")", 4);
//test for and or precedence
checkFilter(client, dbName, tblName,
"p1=\"p12\" and (p2=\"p27\" Or p2=\"p21\")", 1);
checkFilter(client, dbName, tblName,
"p1=\"p12\" and p2=\"p27\" Or p2=\"p21\"", 2);
checkFilter(client, dbName, tblName, "p1 > \"p12\"", 2);
checkFilter(client, dbName, tblName, "p1 >= \"p12\"", 4);
checkFilter(client, dbName, tblName, "p1 < \"p12\"", 2);
checkFilter(client, dbName, tblName, "p1 <= \"p12\"", 4);
checkFilter(client, dbName, tblName, "p1 <> \"p12\"", 4);
checkFilter(client, dbName, tblName, "p1 like \"p1.*\"", 6);
checkFilter(client, dbName, tblName, "p2 like \"p.*3\"", 1);
//Test for setting the maximum partition count
List<Partition> partitions = client.listPartitionsByFilter(dbName,
tblName, "p1 >= \"p12\"", (short) 2);
assertEquals("User specified row limit for partitions",
2, partitions.size());
//Negative tests
Exception me = null;
try {
client.listPartitionsByFilter(dbName,
tblName, "p3 >= \"p12\"", (short) -1);
} catch(MetaException e) {
me = e;
}
assertNotNull(me);
assertTrue("Filter on int partition key", me.getMessage().contains(
"Filtering is supported only on partition keys of type string"));
me = null;
try {
client.listPartitionsByFilter(dbName,
tblName, "c1 >= \"p12\"", (short) -1);
} catch(MetaException e) {
me = e;
}
assertNotNull(me);
assertTrue("Filter on invalid key", me.getMessage().contains(
"<c1> is not a partitioning key for the table"));
me = null;
try {
client.listPartitionsByFilter(dbName,
tblName, "c1 >= ", (short) -1);
} catch(MetaException e) {
me = e;
}
assertNotNull(me);
assertTrue("Invalid filter string", me.getMessage().contains(
"Error parsing partition filter"));
me = null;
try {
client.listPartitionsByFilter("invDBName",
"invTableName", "p1 = \"p11\"", (short) -1);
} catch(NoSuchObjectException e) {
me = e;
}
assertNotNull(me);
assertTrue("NoSuchObject exception", me.getMessage().contains(
"database/table does not exist"));
client.dropTable(dbName, tblName);
client.dropDatabase(dbName);
}
/**
* Test filtering on table with single partition
* @throws Exception
*/
public void testFilterSinglePartition() throws Exception {
String dbName = "filterdb";
String tblName = "filtertbl";
List<String> vals = new ArrayList<String>(1);
vals.add("p11");
List <String> vals2 = new ArrayList<String>(1);
vals2.add("p12");
List <String> vals3 = new ArrayList<String>(1);
vals3.add("p13");
silentDropDatabase(dbName);
Database db = new Database();
db.setName(dbName);
client.createDatabase(db);
ArrayList<FieldSchema> cols = new ArrayList<FieldSchema>(2);
cols.add(new FieldSchema("c1", Constants.STRING_TYPE_NAME, ""));
cols.add(new FieldSchema("c2", Constants.INT_TYPE_NAME, ""));
ArrayList<FieldSchema> partCols = new ArrayList<FieldSchema>(1);
partCols.add(new FieldSchema("p1", Constants.STRING_TYPE_NAME, ""));
Table tbl = new Table();
tbl.setDbName(dbName);
tbl.setTableName(tblName);
StorageDescriptor sd = new StorageDescriptor();
tbl.setSd(sd);
sd.setCols(cols);
sd.setCompressed(false);
sd.setNumBuckets(1);
sd.setParameters(new HashMap<String, String>());
sd.setBucketCols(new ArrayList<String>());
sd.setSerdeInfo(new SerDeInfo());
sd.getSerdeInfo().setName(tbl.getTableName());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters()
.put(Constants.SERIALIZATION_FORMAT, "1");
sd.setSortCols(new ArrayList<Order>());
tbl.setPartitionKeys(partCols);
client.createTable(tbl);
tbl = client.getTable(dbName, tblName);
add_partition(client, tbl, vals, "part1");
add_partition(client, tbl, vals2, "part2");
add_partition(client, tbl, vals3, "part3");
checkFilter(client, dbName, tblName, "p1 = \"p12\"", 1);
checkFilter(client, dbName, tblName, "p1 < \"p12\"", 1);
checkFilter(client, dbName, tblName, "p1 > \"p12\"", 1);
checkFilter(client, dbName, tblName, "p1 >= \"p12\"", 2);
checkFilter(client, dbName, tblName, "p1 <= \"p12\"", 2);
checkFilter(client, dbName, tblName, "p1 <> \"p12\"", 2);
checkFilter(client, dbName, tblName, "p1 like \"p1.*\"", 3);
checkFilter(client, dbName, tblName, "p1 like \"p.*2\"", 1);
client.dropTable(dbName, tblName);
client.dropDatabase(dbName);
}
/**
* Test filtering based on the value of the last partition
* @throws Exception
*/
public void testFilterLastPartition() throws Exception {
String dbName = "filterdb";
String tblName = "filtertbl";
List<String> vals = new ArrayList<String>(2);
vals.add("p11");
vals.add("p21");
List <String> vals2 = new ArrayList<String>(2);
vals2.add("p11");
vals2.add("p22");
List <String> vals3 = new ArrayList<String>(2);
vals3.add("p12");
vals3.add("p21");
silentDropDatabase(dbName);
Database db = new Database();
db.setName(dbName);
client.createDatabase(db);
ArrayList<FieldSchema> cols = new ArrayList<FieldSchema>(2);
cols.add(new FieldSchema("c1", Constants.STRING_TYPE_NAME, ""));
cols.add(new FieldSchema("c2", Constants.INT_TYPE_NAME, ""));
ArrayList<FieldSchema> partCols = new ArrayList<FieldSchema>(2);
partCols.add(new FieldSchema("p1", Constants.STRING_TYPE_NAME, ""));
partCols.add(new FieldSchema("p2", Constants.STRING_TYPE_NAME, ""));
Table tbl = new Table();
tbl.setDbName(dbName);
tbl.setTableName(tblName);
StorageDescriptor sd = new StorageDescriptor();
tbl.setSd(sd);
sd.setCols(cols);
sd.setCompressed(false);
sd.setNumBuckets(1);
sd.setParameters(new HashMap<String, String>());
sd.setBucketCols(new ArrayList<String>());
sd.setSerdeInfo(new SerDeInfo());
sd.getSerdeInfo().setName(tbl.getTableName());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters()
.put(Constants.SERIALIZATION_FORMAT, "1");
sd.setSortCols(new ArrayList<Order>());
tbl.setPartitionKeys(partCols);
client.createTable(tbl);
tbl = client.getTable(dbName, tblName);
add_partition(client, tbl, vals, "part1");
add_partition(client, tbl, vals2, "part2");
add_partition(client, tbl, vals3, "part3");
checkFilter(client, dbName, tblName, "p2 = \"p21\"", 2);
checkFilter(client, dbName, tblName, "p2 < \"p23\"", 3);
checkFilter(client, dbName, tblName, "p2 > \"p21\"", 1);
checkFilter(client, dbName, tblName, "p2 >= \"p21\"", 3);
checkFilter(client, dbName, tblName, "p2 <= \"p21\"", 2);
checkFilter(client, dbName, tblName, "p2 <> \"p12\"", 3);
checkFilter(client, dbName, tblName, "p2 like \"p2.*\"", 3);
checkFilter(client, dbName, tblName, "p2 like \"p.*2\"", 1);
client.dropTable(dbName, tblName);
client.dropDatabase(dbName);
}
private void checkFilter(HiveMetaStoreClient client, String dbName,
String tblName, String filter, int expectedCount)
throws MetaException, NoSuchObjectException, TException {
List<Partition> partitions = client.listPartitionsByFilter(dbName,
tblName, filter, (short) -1);
assertEquals("Partition count expected for filter " + filter,
expectedCount, partitions.size());
}
private void add_partition(HiveMetaStoreClient client, Table table,
List<String> vals, String location) throws InvalidObjectException,
AlreadyExistsException, MetaException, TException {
Partition part = new Partition();
part.setDbName(table.getDbName());
part.setTableName(table.getTableName());
part.setValues(vals);
part.setParameters(new HashMap<String, String>());
part.setSd(table.getSd());
part.getSd().setSerdeInfo(table.getSd().getSerdeInfo());
part.getSd().setLocation(table.getSd().getLocation() + location);
client.add_partition(part);
}
/**
* Tests {@link HiveMetaStoreClient#newSynchronizedClient}. Does not
* actually test multithreading, but does verify that the proxy
* at least works correctly.
*/
public void testSynchronized() throws Exception {
IMetaStoreClient synchronizedClient =
HiveMetaStoreClient.newSynchronizedClient(client);
List<String> databases = synchronizedClient.getAllDatabases();
assertEquals(1, databases.size());
}
public void testTableFilter() throws Exception {
try {
String dbName = "testTableFilter";
String owner1 = "testOwner1";
String owner2 = "testOwner2";
int lastAccessTime1 = 90;
int lastAccessTime2 = 30;
String tableName1 = "table1";
String tableName2 = "table2";
String tableName3 = "table3";
client.dropTable(dbName, tableName1);
client.dropTable(dbName, tableName2);
client.dropTable(dbName, tableName3);
silentDropDatabase(dbName);
Database db = new Database();
db.setName(dbName);
db.setDescription("Alter Partition Test database");
client.createDatabase(db);
Table table1 = createTableForTestFilter(dbName,tableName1, owner1, lastAccessTime1, true);
Table table2 = createTableForTestFilter(dbName,tableName2, owner2, lastAccessTime2, true);
Table table3 = createTableForTestFilter(dbName,tableName3, owner1, lastAccessTime2, false);
List<String> tableNames;
String filter;
//test owner
//owner like ".*Owner.*" and owner like "test.*"
filter = org.apache.hadoop.hive.metastore.api.Constants.HIVE_FILTER_FIELD_OWNER +
" like \".*Owner.*\" and " +
org.apache.hadoop.hive.metastore.api.Constants.HIVE_FILTER_FIELD_OWNER +
" like \"test.*\"";
tableNames = client.listTableNamesByFilter(dbName, filter, (short)-1);
assertEquals(tableNames.size(), 3);
assert(tableNames.contains(table1.getTableName()));
assert(tableNames.contains(table2.getTableName()));
assert(tableNames.contains(table3.getTableName()));
//owner = "testOwner1"
filter = org.apache.hadoop.hive.metastore.api.Constants.HIVE_FILTER_FIELD_OWNER +
" = \"testOwner1\"";
tableNames = client.listTableNamesByFilter(dbName, filter, (short)-1);
assertEquals(2, tableNames.size());
assert(tableNames.contains(table1.getTableName()));
assert(tableNames.contains(table3.getTableName()));
//lastAccessTime < 90
filter = org.apache.hadoop.hive.metastore.api.Constants.HIVE_FILTER_FIELD_LAST_ACCESS +
" < 90";
tableNames = client.listTableNamesByFilter(dbName, filter, (short)-1);
assertEquals(2, tableNames.size());
assert(tableNames.contains(table2.getTableName()));
assert(tableNames.contains(table3.getTableName()));
//lastAccessTime > 90
filter = org.apache.hadoop.hive.metastore.api.Constants.HIVE_FILTER_FIELD_LAST_ACCESS +
" > 90";
tableNames = client.listTableNamesByFilter(dbName, filter, (short)-1);
assertEquals(0, tableNames.size());
//test params
//test_param_2 = "50"
filter = org.apache.hadoop.hive.metastore.api.Constants.HIVE_FILTER_FIELD_PARAMS +
"test_param_2 = \"50\"";
tableNames = client.listTableNamesByFilter(dbName, filter, (short)-1);
assertEquals(2, tableNames.size());
assert(tableNames.contains(table1.getTableName()));
assert(tableNames.contains(table2.getTableName()));
//test_param_2 = "75"
filter = org.apache.hadoop.hive.metastore.api.Constants.HIVE_FILTER_FIELD_PARAMS +
"test_param_2 = \"75\"";
tableNames = client.listTableNamesByFilter(dbName, filter, (short)-1);
assertEquals(0, tableNames.size());
//key_dne = "50"
filter = org.apache.hadoop.hive.metastore.api.Constants.HIVE_FILTER_FIELD_PARAMS +
"key_dne = \"50\"";
tableNames = client.listTableNamesByFilter(dbName, filter, (short)-1);
assertEquals(0, tableNames.size());
//test_param_1 != "yellow"
filter = org.apache.hadoop.hive.metastore.api.Constants.HIVE_FILTER_FIELD_PARAMS +
"test_param_1 <> \"yellow\"";
tableNames = client.listTableNamesByFilter(dbName, filter, (short) 2);
assertEquals(2, tableNames.size());
//owner = "testOwner1" and (lastAccessTime = 30 or test_param_1 = "hi")
filter = org.apache.hadoop.hive.metastore.api.Constants.HIVE_FILTER_FIELD_OWNER +
" = \"testOwner1\" and (" +
org.apache.hadoop.hive.metastore.api.Constants.HIVE_FILTER_FIELD_LAST_ACCESS +
" = 30 or " +
org.apache.hadoop.hive.metastore.api.Constants.HIVE_FILTER_FIELD_PARAMS +
"test_param_1 = \"hi\")";
tableNames = client.listTableNamesByFilter(dbName, filter, (short)-1);
assertEquals(2, tableNames.size());
assert(tableNames.contains(table1.getTableName()));
assert(tableNames.contains(table3.getTableName()));
//Negative tests
Exception me = null;
try {
filter = "badKey = \"testOwner1\"";
tableNames = client.listTableNamesByFilter(dbName, filter, (short) -1);
} catch(MetaException e) {
me = e;
}
assertNotNull(me);
assertTrue("Bad filter key test", me.getMessage().contains(
"Invalid key name in filter"));
client.dropTable(dbName, tableName1);
client.dropTable(dbName, tableName2);
client.dropTable(dbName, tableName3);
client.dropDatabase(dbName);
} catch (Exception e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testTableFilter() failed.");
throw e;
}
}
private Table createTableForTestFilter(String dbName, String tableName, String owner, int lastAccessTime, boolean hasSecondParam) throws Exception {
client.dropTable(dbName, tableName);
ArrayList<FieldSchema> cols = new ArrayList<FieldSchema>(2);
cols.add(new FieldSchema("name", Constants.STRING_TYPE_NAME, ""));
cols.add(new FieldSchema("income", Constants.INT_TYPE_NAME, ""));
Table tbl = new Table();
tbl.setDbName(dbName);
tbl.setTableName(tableName);
tbl.setParameters(new HashMap<String, String>());
tbl.getParameters().put("test_param_1", "hi");
if (hasSecondParam) {
tbl.getParameters().put("test_param_2", "50");
}
StorageDescriptor sd = new StorageDescriptor();
tbl.setSd(sd);
sd.setCols(cols);
sd.setCompressed(false);
sd.setNumBuckets(1);
sd.setParameters(new HashMap<String, String>());
sd.getParameters().put("sd_param_1", "Use this for comments etc");
sd.setBucketCols(new ArrayList<String>(2));
sd.getBucketCols().add("name");
sd.setSerdeInfo(new SerDeInfo());
sd.getSerdeInfo().setName(tbl.getTableName());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters()
.put(Constants.SERIALIZATION_FORMAT, "1");
sd.setSortCols(new ArrayList<Order>());
tbl.setOwner(owner);
tbl.setLastAccessTime(lastAccessTime);
tbl.setPartitionKeys(new ArrayList<FieldSchema>(2));
tbl.getPartitionKeys().add(
new FieldSchema("ds", Constants.STRING_TYPE_NAME, ""));
tbl.getPartitionKeys().add(
new FieldSchema("hr", Constants.INT_TYPE_NAME, ""));
client.createTable(tbl);
if (isThriftClient) {
// the createTable() above does not update the location in the 'tbl'
// object when the client is a thrift client and the code below relies
// on the location being present in the 'tbl' object - so get the table
// from the metastore
tbl = client.getTable(dbName, tableName);
}
return tbl;
}
/**
* Verify that if another client, either a metastore Thrift server or a Hive CLI instance
* renames a table recently created by this instance, and hence potentially in its cache, the
* current instance still sees the change.
* @throws Exception
*/
public void testConcurrentMetastores() throws Exception {
String dbName = "concurrentdb";
String tblName = "concurrenttbl";
String renameTblName = "rename_concurrenttbl";
try {
client.dropTable(dbName, tblName);
silentDropDatabase(dbName);
Database db = new Database();
db.setName(dbName);
client.createDatabase(db);
ArrayList<FieldSchema> cols = new ArrayList<FieldSchema>(2);
cols.add(new FieldSchema("c1", Constants.STRING_TYPE_NAME, ""));
cols.add(new FieldSchema("c2", Constants.INT_TYPE_NAME, ""));
Table tbl = new Table();
tbl.setDbName(dbName);
tbl.setTableName(tblName);
StorageDescriptor sd = new StorageDescriptor();
tbl.setSd(sd);
sd.setCols(cols);
sd.setCompressed(false);
sd.setNumBuckets(1);
sd.setParameters(new HashMap<String, String>());
sd.getParameters().put("test_param_1", "Use this for comments etc");
sd.setBucketCols(new ArrayList<String>(2));
sd.getBucketCols().add("name");
sd.setSerdeInfo(new SerDeInfo());
sd.getSerdeInfo().setName(tbl.getTableName());
sd.getSerdeInfo().setParameters(new HashMap<String, String>());
sd.getSerdeInfo().getParameters().put(
org.apache.hadoop.hive.serde.Constants.SERIALIZATION_FORMAT, "1");
client.createTable(tbl);
// get the table from the client, verify the name is correct
Table tbl2 = client.getTable(dbName, tblName);
assertEquals("Client returned table with different name.", tbl2.getTableName(), tblName);
// Simulate renaming via another metastore Thrift server or another Hive CLI instance
updateTableNameInDB(tblName, renameTblName);
// get the table from the client again, verify the name has been updated
Table tbl3 = client.getTable(dbName, renameTblName);
assertEquals("Client returned table with different name after rename.",
tbl3.getTableName(), renameTblName);
} catch (Exception e) {
System.err.println(StringUtils.stringifyException(e));
System.err.println("testConcurrentMetastores() failed.");
throw e;
} finally {
silentDropDatabase(dbName);
}
}
/**
* This method simulates another Hive metastore renaming a table, by accessing the db and
* updating the name.
*
* Unfortunately, derby cannot be run in two different JVMs simultaneously, but the only way
* to rename without having it put in this client's cache is to run a metastore in a separate JVM,
* so this simulation is required.
* @param oldTableName
* @param newTableName
* @throws SQLException
*/
private void updateTableNameInDB(String oldTableName, String newTableName) throws SQLException {
String connectionStr = HiveConf.getVar(hiveConf, HiveConf.ConfVars.METASTORECONNECTURLKEY);
int interval= HiveConf.getIntVar(hiveConf, HiveConf.ConfVars.METASTOREINTERVAL);
int attempts = HiveConf.getIntVar(hiveConf, HiveConf.ConfVars.METASTOREATTEMPTS);
Utilities.SQLCommand<Void> execUpdate = new Utilities.SQLCommand<Void>() {
@Override
public Void run(PreparedStatement stmt) throws SQLException {
stmt.executeUpdate();
return null;
}
};
Connection conn = Utilities.connectWithRetry(connectionStr, interval, attempts);
PreparedStatement updateStmt = Utilities.prepareWithRetry(conn,
"UPDATE TBLS SET tbl_name = '" + newTableName + "' WHERE tbl_name = '" + oldTableName + "'",
interval, attempts);
Utilities.executeWithRetry(execUpdate, updateStmt, interval, attempts);
}
}