/
DDLTask.java
4428 lines (4016 loc) · 168 KB
/
DDLTask.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.hadoop.hive.ql.exec;
import static org.apache.commons.lang.StringUtils.join;
import static org.apache.hadoop.hive.metastore.api.hive_metastoreConstants.META_TABLE_STORAGE;
import static org.apache.hadoop.util.StringUtils.stringifyException;
import java.io.BufferedWriter;
import java.io.DataOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Serializable;
import java.io.Writer;
import java.net.URI;
import java.net.URISyntaxException;
import java.sql.SQLException;
import java.util.AbstractList;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.TreeSet;
import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FsShell;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hive.common.FileUtils;
import org.apache.hadoop.hive.common.StatsSetupConst;
import org.apache.hadoop.hive.common.type.HiveDecimal;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
import org.apache.hadoop.hive.io.HdfsUtils;
import org.apache.hadoop.hive.metastore.MetaStoreUtils;
import org.apache.hadoop.hive.metastore.PartitionDropOptions;
import org.apache.hadoop.hive.metastore.TableType;
import org.apache.hadoop.hive.metastore.Warehouse;
import org.apache.hadoop.hive.metastore.api.AlreadyExistsException;
import org.apache.hadoop.hive.metastore.api.ColumnStatisticsObj;
import org.apache.hadoop.hive.metastore.api.Database;
import org.apache.hadoop.hive.metastore.api.EnvironmentContext;
import org.apache.hadoop.hive.metastore.api.FieldSchema;
import org.apache.hadoop.hive.metastore.api.GetOpenTxnsInfoResponse;
import org.apache.hadoop.hive.metastore.api.Index;
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.PrincipalType;
import org.apache.hadoop.hive.metastore.api.RolePrincipalGrant;
import org.apache.hadoop.hive.metastore.api.SQLForeignKey;
import org.apache.hadoop.hive.metastore.api.SQLPrimaryKey;
import org.apache.hadoop.hive.metastore.api.SerDeInfo;
import org.apache.hadoop.hive.metastore.api.ShowCompactResponse;
import org.apache.hadoop.hive.metastore.api.ShowCompactResponseElement;
import org.apache.hadoop.hive.metastore.api.ShowLocksRequest;
import org.apache.hadoop.hive.metastore.api.ShowLocksResponse;
import org.apache.hadoop.hive.metastore.api.ShowLocksResponseElement;
import org.apache.hadoop.hive.metastore.api.SkewedInfo;
import org.apache.hadoop.hive.metastore.api.StorageDescriptor;
import org.apache.hadoop.hive.metastore.api.TxnInfo;
import org.apache.hadoop.hive.ql.CompilationOpContext;
import org.apache.hadoop.hive.ql.Context;
import org.apache.hadoop.hive.ql.DriverContext;
import org.apache.hadoop.hive.ql.ErrorMsg;
import org.apache.hadoop.hive.ql.QueryPlan;
import org.apache.hadoop.hive.ql.QueryState;
import org.apache.hadoop.hive.ql.exec.ArchiveUtils.PartSpecInfo;
import org.apache.hadoop.hive.ql.exec.tez.TezTask;
import org.apache.hadoop.hive.ql.hooks.LineageInfo.DataContainer;
import org.apache.hadoop.hive.ql.hooks.ReadEntity;
import org.apache.hadoop.hive.ql.hooks.WriteEntity;
import org.apache.hadoop.hive.ql.io.AcidUtils;
import org.apache.hadoop.hive.ql.io.RCFileInputFormat;
import org.apache.hadoop.hive.ql.io.merge.MergeFileTask;
import org.apache.hadoop.hive.ql.io.merge.MergeFileWork;
import org.apache.hadoop.hive.ql.io.orc.OrcInputFormat;
import org.apache.hadoop.hive.ql.io.orc.OrcSerde;
import org.apache.hadoop.hive.ql.io.parquet.serde.ParquetHiveSerDe;
import org.apache.hadoop.hive.ql.io.rcfile.truncate.ColumnTruncateTask;
import org.apache.hadoop.hive.ql.io.rcfile.truncate.ColumnTruncateWork;
import org.apache.hadoop.hive.ql.lockmgr.DbLockManager;
import org.apache.hadoop.hive.ql.lockmgr.HiveLock;
import org.apache.hadoop.hive.ql.lockmgr.HiveLockManager;
import org.apache.hadoop.hive.ql.lockmgr.HiveLockMode;
import org.apache.hadoop.hive.ql.lockmgr.HiveLockObject;
import org.apache.hadoop.hive.ql.lockmgr.HiveLockObject.HiveLockObjectData;
import org.apache.hadoop.hive.ql.lockmgr.HiveTxnManager;
import org.apache.hadoop.hive.ql.metadata.CheckResult;
import org.apache.hadoop.hive.ql.metadata.ForeignKeyInfo;
import org.apache.hadoop.hive.ql.metadata.Hive;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.metadata.HiveMetaStoreChecker;
import org.apache.hadoop.hive.ql.metadata.HiveUtils;
import org.apache.hadoop.hive.ql.metadata.InvalidTableException;
import org.apache.hadoop.hive.ql.metadata.Partition;
import org.apache.hadoop.hive.ql.metadata.PartitionIterable;
import org.apache.hadoop.hive.ql.metadata.PrimaryKeyInfo;
import org.apache.hadoop.hive.ql.metadata.Table;
import org.apache.hadoop.hive.ql.metadata.formatting.MetaDataFormatUtils;
import org.apache.hadoop.hive.ql.metadata.formatting.MetaDataFormatter;
import org.apache.hadoop.hive.ql.parse.AlterTablePartMergeFilesDesc;
import org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer;
import org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer;
import org.apache.hadoop.hive.ql.parse.ReplicationSpec;
import org.apache.hadoop.hive.ql.parse.SemanticException;
import org.apache.hadoop.hive.ql.plan.AbortTxnsDesc;
import org.apache.hadoop.hive.ql.plan.AddPartitionDesc;
import org.apache.hadoop.hive.ql.plan.AlterDatabaseDesc;
import org.apache.hadoop.hive.ql.plan.AlterIndexDesc;
import org.apache.hadoop.hive.ql.plan.AlterTableAlterPartDesc;
import org.apache.hadoop.hive.ql.plan.AlterTableDesc;
import org.apache.hadoop.hive.ql.plan.AlterTableDesc.AlterTableTypes;
import org.apache.hadoop.hive.ql.plan.AlterTableExchangePartition;
import org.apache.hadoop.hive.ql.plan.AlterTableSimpleDesc;
import org.apache.hadoop.hive.ql.plan.CacheMetadataDesc;
import org.apache.hadoop.hive.ql.plan.CreateDatabaseDesc;
import org.apache.hadoop.hive.ql.plan.CreateIndexDesc;
import org.apache.hadoop.hive.ql.plan.CreateTableDesc;
import org.apache.hadoop.hive.ql.plan.CreateTableLikeDesc;
import org.apache.hadoop.hive.ql.plan.CreateViewDesc;
import org.apache.hadoop.hive.ql.plan.DDLWork;
import org.apache.hadoop.hive.ql.plan.DescDatabaseDesc;
import org.apache.hadoop.hive.ql.plan.DescFunctionDesc;
import org.apache.hadoop.hive.ql.plan.DescTableDesc;
import org.apache.hadoop.hive.ql.plan.DropDatabaseDesc;
import org.apache.hadoop.hive.ql.plan.DropIndexDesc;
import org.apache.hadoop.hive.ql.plan.DropTableDesc;
import org.apache.hadoop.hive.ql.plan.FileMergeDesc;
import org.apache.hadoop.hive.ql.plan.GrantDesc;
import org.apache.hadoop.hive.ql.plan.GrantRevokeRoleDDL;
import org.apache.hadoop.hive.ql.plan.ListBucketingCtx;
import org.apache.hadoop.hive.ql.plan.LockDatabaseDesc;
import org.apache.hadoop.hive.ql.plan.LockTableDesc;
import org.apache.hadoop.hive.ql.plan.MsckDesc;
import org.apache.hadoop.hive.ql.plan.OperatorDesc;
import org.apache.hadoop.hive.ql.plan.OrcFileMergeDesc;
import org.apache.hadoop.hive.ql.plan.PrincipalDesc;
import org.apache.hadoop.hive.ql.plan.PrivilegeDesc;
import org.apache.hadoop.hive.ql.plan.PrivilegeObjectDesc;
import org.apache.hadoop.hive.ql.plan.RCFileMergeDesc;
import org.apache.hadoop.hive.ql.plan.RenamePartitionDesc;
import org.apache.hadoop.hive.ql.plan.RevokeDesc;
import org.apache.hadoop.hive.ql.plan.RoleDDLDesc;
import org.apache.hadoop.hive.ql.plan.ShowColumnsDesc;
import org.apache.hadoop.hive.ql.plan.ShowCompactionsDesc;
import org.apache.hadoop.hive.ql.plan.ShowConfDesc;
import org.apache.hadoop.hive.ql.plan.ShowCreateDatabaseDesc;
import org.apache.hadoop.hive.ql.plan.ShowCreateTableDesc;
import org.apache.hadoop.hive.ql.plan.ShowDatabasesDesc;
import org.apache.hadoop.hive.ql.plan.ShowFunctionsDesc;
import org.apache.hadoop.hive.ql.plan.ShowGrantDesc;
import org.apache.hadoop.hive.ql.plan.ShowIndexesDesc;
import org.apache.hadoop.hive.ql.plan.ShowLocksDesc;
import org.apache.hadoop.hive.ql.plan.ShowPartitionsDesc;
import org.apache.hadoop.hive.ql.plan.ShowTableStatusDesc;
import org.apache.hadoop.hive.ql.plan.ShowTablesDesc;
import org.apache.hadoop.hive.ql.plan.ShowTblPropertiesDesc;
import org.apache.hadoop.hive.ql.plan.ShowTxnsDesc;
import org.apache.hadoop.hive.ql.plan.SwitchDatabaseDesc;
import org.apache.hadoop.hive.ql.plan.TezWork;
import org.apache.hadoop.hive.ql.plan.TruncateTableDesc;
import org.apache.hadoop.hive.ql.plan.UnlockDatabaseDesc;
import org.apache.hadoop.hive.ql.plan.UnlockTableDesc;
import org.apache.hadoop.hive.ql.plan.api.StageType;
import org.apache.hadoop.hive.ql.security.authorization.AuthorizationUtils;
import org.apache.hadoop.hive.ql.security.authorization.DefaultHiveAuthorizationTranslator;
import org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAuthorizationTranslator;
import org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAuthorizer;
import org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAuthzPluginException;
import org.apache.hadoop.hive.ql.security.authorization.plugin.HivePrincipal;
import org.apache.hadoop.hive.ql.security.authorization.plugin.HivePrivilege;
import org.apache.hadoop.hive.ql.security.authorization.plugin.HivePrivilegeInfo;
import org.apache.hadoop.hive.ql.security.authorization.plugin.HivePrivilegeObject;
import org.apache.hadoop.hive.ql.security.authorization.plugin.HiveRoleGrant;
import org.apache.hadoop.hive.ql.security.authorization.plugin.HiveV1Authorizer;
import org.apache.hadoop.hive.ql.session.SessionState;
import org.apache.hadoop.hive.serde.serdeConstants;
import org.apache.hadoop.hive.serde2.AbstractSerDe;
import org.apache.hadoop.hive.serde2.Deserializer;
import org.apache.hadoop.hive.serde2.MetadataTypedColumnsetSerDe;
import org.apache.hadoop.hive.serde2.SerDeSpec;
import org.apache.hadoop.hive.serde2.columnar.ColumnarSerDe;
import org.apache.hadoop.hive.serde2.dynamic_type.DynamicSerDe;
import org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters.Converter;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory;
import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfo;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoUtils;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.tools.HadoopArchives;
import org.apache.hadoop.util.ToolRunner;
import org.apache.hive.common.util.AnnotationUtils;
import org.apache.hive.common.util.ReflectionUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.stringtemplate.v4.ST;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
/**
* DDLTask implementation.
*
**/
public class DDLTask extends Task<DDLWork> implements Serializable {
private static final long serialVersionUID = 1L;
private static final Logger LOG = LoggerFactory.getLogger("hive.ql.exec.DDLTask");
private static final int separator = Utilities.tabCode;
private static final int terminator = Utilities.newLineCode;
// These are suffixes attached to intermediate directory names used in the
// archiving / un-archiving process.
private static String INTERMEDIATE_ARCHIVED_DIR_SUFFIX;
private static String INTERMEDIATE_ORIGINAL_DIR_SUFFIX;
private static String INTERMEDIATE_EXTRACTED_DIR_SUFFIX;
private MetaDataFormatter formatter;
private final HiveAuthorizationTranslator defaultAuthorizationTranslator = new DefaultHiveAuthorizationTranslator();
private Task<? extends Serializable> subtask = null;
public Task<? extends Serializable> getSubtask() {
return subtask;
}
@Override
public boolean requireLock() {
return this.work != null && this.work.getNeedLock();
}
public DDLTask() {
super();
}
@Override
public void initialize(QueryState queryState, QueryPlan queryPlan, DriverContext ctx,
CompilationOpContext opContext) {
super.initialize(queryState, queryPlan, ctx, opContext);
// Pick the formatter to use to display the results. Either the
// normal human readable output or a json object.
formatter = MetaDataFormatUtils.getFormatter(conf);
INTERMEDIATE_ARCHIVED_DIR_SUFFIX =
HiveConf.getVar(conf, ConfVars.METASTORE_INT_ARCHIVED);
INTERMEDIATE_ORIGINAL_DIR_SUFFIX =
HiveConf.getVar(conf, ConfVars.METASTORE_INT_ORIGINAL);
INTERMEDIATE_EXTRACTED_DIR_SUFFIX =
HiveConf.getVar(conf, ConfVars.METASTORE_INT_EXTRACTED);
}
@Override
public int execute(DriverContext driverContext) {
// Create the db
Hive db;
try {
db = Hive.get(conf);
CreateDatabaseDesc createDatabaseDesc = work.getCreateDatabaseDesc();
if (null != createDatabaseDesc) {
return createDatabase(db, createDatabaseDesc);
}
DropDatabaseDesc dropDatabaseDesc = work.getDropDatabaseDesc();
if (dropDatabaseDesc != null) {
return dropDatabase(db, dropDatabaseDesc);
}
LockDatabaseDesc lockDatabaseDesc = work.getLockDatabaseDesc();
if (lockDatabaseDesc != null) {
return lockDatabase(db, lockDatabaseDesc);
}
UnlockDatabaseDesc unlockDatabaseDesc = work.getUnlockDatabaseDesc();
if (unlockDatabaseDesc != null) {
return unlockDatabase(db, unlockDatabaseDesc);
}
SwitchDatabaseDesc switchDatabaseDesc = work.getSwitchDatabaseDesc();
if (switchDatabaseDesc != null) {
return switchDatabase(db, switchDatabaseDesc);
}
DescDatabaseDesc descDatabaseDesc = work.getDescDatabaseDesc();
if (descDatabaseDesc != null) {
return descDatabase(db, descDatabaseDesc);
}
AlterDatabaseDesc alterDatabaseDesc = work.getAlterDatabaseDesc();
if (alterDatabaseDesc != null) {
return alterDatabase(db, alterDatabaseDesc);
}
CreateTableDesc crtTbl = work.getCreateTblDesc();
if (crtTbl != null) {
return createTable(db, crtTbl);
}
CreateIndexDesc crtIndex = work.getCreateIndexDesc();
if (crtIndex != null) {
return createIndex(db, crtIndex);
}
AlterIndexDesc alterIndex = work.getAlterIndexDesc();
if (alterIndex != null) {
return alterIndex(db, alterIndex);
}
DropIndexDesc dropIdx = work.getDropIdxDesc();
if (dropIdx != null) {
return dropIndex(db, dropIdx);
}
CreateTableLikeDesc crtTblLike = work.getCreateTblLikeDesc();
if (crtTblLike != null) {
return createTableLike(db, crtTblLike);
}
DropTableDesc dropTbl = work.getDropTblDesc();
if (dropTbl != null) {
dropTableOrPartitions(db, dropTbl);
return 0;
}
AlterTableDesc alterTbl = work.getAlterTblDesc();
if (alterTbl != null) {
if (alterTbl.getOp() == AlterTableTypes.DROPCONSTRAINT ) {
return dropConstraint(db, alterTbl);
} else if (alterTbl.getOp() == AlterTableTypes.ADDCONSTRAINT) {
return addConstraint(db, alterTbl);
} else {
return alterTable(db, alterTbl);
}
}
CreateViewDesc crtView = work.getCreateViewDesc();
if (crtView != null) {
return createView(db, crtView);
}
AddPartitionDesc addPartitionDesc = work.getAddPartitionDesc();
if (addPartitionDesc != null) {
return addPartitions(db, addPartitionDesc);
}
RenamePartitionDesc renamePartitionDesc = work.getRenamePartitionDesc();
if (renamePartitionDesc != null) {
return renamePartition(db, renamePartitionDesc);
}
AlterTableSimpleDesc simpleDesc = work.getAlterTblSimpleDesc();
if (simpleDesc != null) {
if (simpleDesc.getType() == AlterTableTypes.TOUCH) {
return touch(db, simpleDesc);
} else if (simpleDesc.getType() == AlterTableTypes.ARCHIVE) {
return archive(db, simpleDesc, driverContext);
} else if (simpleDesc.getType() == AlterTableTypes.UNARCHIVE) {
return unarchive(db, simpleDesc);
} else if (simpleDesc.getType() == AlterTableTypes.COMPACT) {
return compact(db, simpleDesc);
}
}
MsckDesc msckDesc = work.getMsckDesc();
if (msckDesc != null) {
return msck(db, msckDesc);
}
DescTableDesc descTbl = work.getDescTblDesc();
if (descTbl != null) {
return describeTable(db, descTbl);
}
DescFunctionDesc descFunc = work.getDescFunctionDesc();
if (descFunc != null) {
return describeFunction(db, descFunc);
}
ShowDatabasesDesc showDatabases = work.getShowDatabasesDesc();
if (showDatabases != null) {
return showDatabases(db, showDatabases);
}
ShowTablesDesc showTbls = work.getShowTblsDesc();
if (showTbls != null) {
return showTables(db, showTbls);
}
ShowColumnsDesc showCols = work.getShowColumnsDesc();
if (showCols != null) {
return showColumns(db, showCols);
}
ShowTableStatusDesc showTblStatus = work.getShowTblStatusDesc();
if (showTblStatus != null) {
return showTableStatus(db, showTblStatus);
}
ShowTblPropertiesDesc showTblProperties = work.getShowTblPropertiesDesc();
if (showTblProperties != null) {
return showTableProperties(db, showTblProperties);
}
ShowFunctionsDesc showFuncs = work.getShowFuncsDesc();
if (showFuncs != null) {
return showFunctions(db, showFuncs);
}
ShowLocksDesc showLocks = work.getShowLocksDesc();
if (showLocks != null) {
return showLocks(db, showLocks);
}
ShowCompactionsDesc compactionsDesc = work.getShowCompactionsDesc();
if (compactionsDesc != null) {
return showCompactions(db, compactionsDesc);
}
ShowTxnsDesc txnsDesc = work.getShowTxnsDesc();
if (txnsDesc != null) {
return showTxns(db, txnsDesc);
}
AbortTxnsDesc abortTxnsDesc = work.getAbortTxnsDesc();
if (abortTxnsDesc != null) {
return abortTxns(db, abortTxnsDesc);
}
LockTableDesc lockTbl = work.getLockTblDesc();
if (lockTbl != null) {
return lockTable(db, lockTbl);
}
UnlockTableDesc unlockTbl = work.getUnlockTblDesc();
if (unlockTbl != null) {
return unlockTable(db, unlockTbl);
}
ShowPartitionsDesc showParts = work.getShowPartsDesc();
if (showParts != null) {
return showPartitions(db, showParts);
}
ShowCreateDatabaseDesc showCreateDb = work.getShowCreateDbDesc();
if (showCreateDb != null) {
return showCreateDatabase(db, showCreateDb);
}
ShowCreateTableDesc showCreateTbl = work.getShowCreateTblDesc();
if (showCreateTbl != null) {
return showCreateTable(db, showCreateTbl);
}
ShowConfDesc showConf = work.getShowConfDesc();
if (showConf != null) {
return showConf(db, showConf);
}
RoleDDLDesc roleDDLDesc = work.getRoleDDLDesc();
if (roleDDLDesc != null) {
return roleDDL(db, roleDDLDesc);
}
GrantDesc grantDesc = work.getGrantDesc();
if (grantDesc != null) {
return grantOrRevokePrivileges(db, grantDesc.getPrincipals(), grantDesc
.getPrivileges(), grantDesc.getPrivilegeSubjectDesc(), grantDesc.getGrantor(),
grantDesc.getGrantorType(), grantDesc.isGrantOption(), true);
}
RevokeDesc revokeDesc = work.getRevokeDesc();
if (revokeDesc != null) {
return grantOrRevokePrivileges(db, revokeDesc.getPrincipals(), revokeDesc
.getPrivileges(), revokeDesc.getPrivilegeSubjectDesc(), null, null,
revokeDesc.isGrantOption(), false);
}
ShowGrantDesc showGrantDesc = work.getShowGrantDesc();
if (showGrantDesc != null) {
return showGrants(db, showGrantDesc);
}
GrantRevokeRoleDDL grantOrRevokeRoleDDL = work.getGrantRevokeRoleDDL();
if (grantOrRevokeRoleDDL != null) {
return grantOrRevokeRole(db, grantOrRevokeRoleDDL);
}
ShowIndexesDesc showIndexes = work.getShowIndexesDesc();
if (showIndexes != null) {
return showIndexes(db, showIndexes);
}
AlterTablePartMergeFilesDesc mergeFilesDesc = work.getMergeFilesDesc();
if (mergeFilesDesc != null) {
return mergeFiles(db, mergeFilesDesc, driverContext);
}
AlterTableAlterPartDesc alterPartDesc = work.getAlterTableAlterPartDesc();
if(alterPartDesc != null) {
return alterTableAlterPart(db, alterPartDesc);
}
TruncateTableDesc truncateTableDesc = work.getTruncateTblDesc();
if (truncateTableDesc != null) {
return truncateTable(db, truncateTableDesc);
}
AlterTableExchangePartition alterTableExchangePartition =
work.getAlterTableExchangePartition();
if (alterTableExchangePartition != null) {
return exchangeTablePartition(db, alterTableExchangePartition);
}
CacheMetadataDesc cacheMetadataDesc = work.getCacheMetadataDesc();
if (cacheMetadataDesc != null) {
return cacheMetadata(db, cacheMetadataDesc);
}
} catch (Throwable e) {
failed(e);
return 1;
}
assert false;
return 0;
}
private int cacheMetadata(Hive db, CacheMetadataDesc desc) throws HiveException {
db.cacheFileMetadata(desc.getDbName(), desc.getTableName(),
desc.getPartName(), desc.isAllParts());
return 0;
}
private void failed(Throwable e) {
while (e.getCause() != null && e.getClass() == RuntimeException.class) {
e = e.getCause();
}
setException(e);
LOG.error(stringifyException(e));
}
private int showConf(Hive db, ShowConfDesc showConf) throws Exception {
ConfVars conf = HiveConf.getConfVars(showConf.getConfName());
if (conf == null) {
throw new HiveException("invalid configuration name " + showConf.getConfName());
}
String description = conf.getDescription();
String defaultValue = conf.getDefaultValue();
DataOutputStream output = getOutputStream(showConf.getResFile());
try {
if (defaultValue != null) {
output.write(defaultValue.getBytes());
}
output.write(separator);
output.write(conf.typeString().getBytes());
output.write(separator);
if (description != null) {
output.write(description.replaceAll(" *\n *", " ").getBytes());
}
output.write(terminator);
} finally {
output.close();
}
return 0;
}
private DataOutputStream getOutputStream(String resFile) throws HiveException {
try {
return getOutputStream(new Path(resFile));
} catch (HiveException e) {
throw e;
} catch (Exception e) {
throw new HiveException(e);
}
}
private DataOutputStream getOutputStream(Path outputFile) throws HiveException {
try {
FileSystem fs = outputFile.getFileSystem(conf);
return fs.create(outputFile);
} catch (Exception e) {
throw new HiveException(e);
}
}
/**
* First, make sure the source table/partition is not
* archived/indexes/non-rcfile. If either of these is true, throw an
* exception.
*
* The way how it does the merge is to create a BlockMergeTask from the
* mergeFilesDesc.
*
* @param db
* @param mergeFilesDesc
* @return
* @throws HiveException
*/
private int mergeFiles(Hive db, AlterTablePartMergeFilesDesc mergeFilesDesc,
DriverContext driverContext) throws HiveException {
ListBucketingCtx lbCtx = mergeFilesDesc.getLbCtx();
boolean lbatc = lbCtx == null ? false : lbCtx.isSkewedStoredAsDir();
int lbd = lbCtx == null ? 0 : lbCtx.calculateListBucketingLevel();
// merge work only needs input and output.
MergeFileWork mergeWork = new MergeFileWork(mergeFilesDesc.getInputDir(),
mergeFilesDesc.getOutputDir(), mergeFilesDesc.getInputFormatClass().getName());
LinkedHashMap<String, ArrayList<String>> pathToAliases =
new LinkedHashMap<String, ArrayList<String>>();
ArrayList<String> inputDirstr = new ArrayList<String>(1);
inputDirstr.add(mergeFilesDesc.getInputDir().toString());
pathToAliases.put(mergeFilesDesc.getInputDir().get(0).toString(), inputDirstr);
mergeWork.setPathToAliases(pathToAliases);
mergeWork.setListBucketingCtx(mergeFilesDesc.getLbCtx());
mergeWork.resolveConcatenateMerge(db.getConf());
mergeWork.setMapperCannotSpanPartns(true);
mergeWork.setSourceTableInputFormat(mergeFilesDesc.getInputFormatClass().getName());
final FileMergeDesc fmd;
if (mergeFilesDesc.getInputFormatClass().equals(RCFileInputFormat.class)) {
fmd = new RCFileMergeDesc();
} else {
// safe to assume else is ORC as semantic analyzer will check for RC/ORC
fmd = new OrcFileMergeDesc();
}
fmd.setDpCtx(null);
fmd.setHasDynamicPartitions(false);
fmd.setListBucketingAlterTableConcatenate(lbatc);
fmd.setListBucketingDepth(lbd);
fmd.setOutputPath(mergeFilesDesc.getOutputDir());
CompilationOpContext opContext = driverContext.getCtx().getOpContext();
Operator<? extends OperatorDesc> mergeOp = OperatorFactory.get(opContext, fmd);
LinkedHashMap<String, Operator<? extends OperatorDesc>> aliasToWork =
new LinkedHashMap<String, Operator<? extends OperatorDesc>>();
aliasToWork.put(mergeFilesDesc.getInputDir().toString(), mergeOp);
mergeWork.setAliasToWork(aliasToWork);
DriverContext driverCxt = new DriverContext();
Task task;
if (conf.getVar(ConfVars.HIVE_EXECUTION_ENGINE).equals("tez")) {
TezWork tezWork = new TezWork(conf.getVar(HiveConf.ConfVars.HIVEQUERYID), conf);
mergeWork.setName("File Merge");
tezWork.add(mergeWork);
task = new TezTask();
task.setWork(tezWork);
} else {
task = new MergeFileTask();
task.setWork(mergeWork);
}
// initialize the task and execute
task.initialize(queryState, getQueryPlan(), driverCxt, opContext);
subtask = task;
int ret = task.execute(driverCxt);
return ret;
}
private HiveAuthorizer getSessionAuthorizer(Hive db) {
HiveAuthorizer authorizer = SessionState.get().getAuthorizerV2();
if (authorizer == null) {
authorizer = new HiveV1Authorizer(conf, db);
}
return authorizer;
}
private int grantOrRevokeRole(Hive db, GrantRevokeRoleDDL grantOrRevokeRoleDDL)
throws HiveException {
HiveAuthorizer authorizer = getSessionAuthorizer(db);
//convert to the types needed for plugin api
HivePrincipal grantorPrinc = null;
if(grantOrRevokeRoleDDL.getGrantor() != null){
grantorPrinc = new HivePrincipal(grantOrRevokeRoleDDL.getGrantor(),
AuthorizationUtils.getHivePrincipalType(grantOrRevokeRoleDDL.getGrantorType()));
}
List<HivePrincipal> principals = AuthorizationUtils.getHivePrincipals(
grantOrRevokeRoleDDL.getPrincipalDesc(), getAuthorizationTranslator(authorizer));
List<String> roles = grantOrRevokeRoleDDL.getRoles();
boolean grantOption = grantOrRevokeRoleDDL.isGrantOption();
if (grantOrRevokeRoleDDL.getGrant()) {
authorizer.grantRole(principals, roles, grantOption, grantorPrinc);
} else {
authorizer.revokeRole(principals, roles, grantOption, grantorPrinc);
}
return 0;
}
private HiveAuthorizationTranslator getAuthorizationTranslator(HiveAuthorizer authorizer)
throws HiveAuthzPluginException {
if (authorizer.getHiveAuthorizationTranslator() == null) {
return defaultAuthorizationTranslator;
} else {
return (HiveAuthorizationTranslator)authorizer.getHiveAuthorizationTranslator();
}
}
private int showGrants(Hive db, ShowGrantDesc showGrantDesc) throws HiveException {
HiveAuthorizer authorizer = getSessionAuthorizer(db);
try {
List<HivePrivilegeInfo> privInfos = authorizer.showPrivileges(
getAuthorizationTranslator(authorizer).getHivePrincipal(showGrantDesc.getPrincipalDesc()),
getAuthorizationTranslator(authorizer).getHivePrivilegeObject(showGrantDesc.getHiveObj()));
boolean testMode = conf.getBoolVar(HiveConf.ConfVars.HIVE_IN_TEST);
writeToFile(writeGrantInfo(privInfos, testMode), showGrantDesc.getResFile());
} catch (IOException e) {
throw new HiveException("Error in show grant statement", e);
}
return 0;
}
private int grantOrRevokePrivileges(Hive db, List<PrincipalDesc> principals,
List<PrivilegeDesc> privileges, PrivilegeObjectDesc privSubjectDesc,
String grantor, PrincipalType grantorType, boolean grantOption, boolean isGrant)
throws HiveException {
HiveAuthorizer authorizer = getSessionAuthorizer(db);
//Convert to object types used by the authorization plugin interface
List<HivePrincipal> hivePrincipals = AuthorizationUtils.getHivePrincipals(
principals, getAuthorizationTranslator(authorizer));
List<HivePrivilege> hivePrivileges = AuthorizationUtils.getHivePrivileges(
privileges, getAuthorizationTranslator(authorizer));
HivePrivilegeObject hivePrivObject = getAuthorizationTranslator(authorizer)
.getHivePrivilegeObject(privSubjectDesc);
HivePrincipal grantorPrincipal = new HivePrincipal(
grantor, AuthorizationUtils.getHivePrincipalType(grantorType));
if(isGrant){
authorizer.grantPrivileges(hivePrincipals, hivePrivileges, hivePrivObject,
grantorPrincipal, grantOption);
}else {
authorizer.revokePrivileges(hivePrincipals, hivePrivileges,
hivePrivObject, grantorPrincipal, grantOption);
}
//no exception thrown, so looks good
return 0;
}
private int roleDDL(Hive db, RoleDDLDesc roleDDLDesc) throws Exception {
HiveAuthorizer authorizer = getSessionAuthorizer(db);
RoleDDLDesc.RoleOperation operation = roleDDLDesc.getOperation();
//call the appropriate hive authorizer function
switch(operation){
case CREATE_ROLE:
authorizer.createRole(roleDDLDesc.getName(), null);
break;
case DROP_ROLE:
authorizer.dropRole(roleDDLDesc.getName());
break;
case SHOW_ROLE_GRANT:
boolean testMode = conf.getBoolVar(HiveConf.ConfVars.HIVE_IN_TEST);
List<HiveRoleGrant> roles = authorizer.getRoleGrantInfoForPrincipal(
AuthorizationUtils.getHivePrincipal(roleDDLDesc.getName(), roleDDLDesc.getPrincipalType()));
writeToFile(writeRolesGrantedInfo(roles, testMode), roleDDLDesc.getResFile());
break;
case SHOW_ROLES:
List<String> allRoles = authorizer.getAllRoles();
writeListToFileAfterSort(allRoles, roleDDLDesc.getResFile());
break;
case SHOW_CURRENT_ROLE:
List<String> roleNames = authorizer.getCurrentRoleNames();
writeListToFileAfterSort(roleNames, roleDDLDesc.getResFile());
break;
case SET_ROLE:
authorizer.setCurrentRole(roleDDLDesc.getName());
break;
case SHOW_ROLE_PRINCIPALS:
testMode = conf.getBoolVar(HiveConf.ConfVars.HIVE_IN_TEST);
List<HiveRoleGrant> roleGrants = authorizer.getPrincipalGrantInfoForRole(roleDDLDesc.getName());
writeToFile(writeHiveRoleGrantInfo(roleGrants, testMode), roleDDLDesc.getResFile());
break;
default:
throw new HiveException("Unkown role operation "
+ operation.getOperationName());
}
return 0;
}
private String writeHiveRoleGrantInfo(List<HiveRoleGrant> roleGrants, boolean testMode) {
if (roleGrants == null || roleGrants.isEmpty()) {
return "";
}
StringBuilder builder = new StringBuilder();
// sort the list to get sorted (deterministic) output (for ease of testing)
Collections.sort(roleGrants);
for (HiveRoleGrant roleGrant : roleGrants) {
// schema:
// principal_name,principal_type,grant_option,grantor,grantor_type,grant_time
appendNonNull(builder, roleGrant.getPrincipalName(), true);
appendNonNull(builder, roleGrant.getPrincipalType());
appendNonNull(builder, roleGrant.isGrantOption());
appendNonNull(builder, roleGrant.getGrantor());
appendNonNull(builder, roleGrant.getGrantorType());
appendNonNull(builder, testMode ? -1 : roleGrant.getGrantTime() * 1000L);
}
return builder.toString();
}
/**
* Write list of string entries into given file
* @param entries
* @param resFile
* @throws IOException
*/
private void writeListToFileAfterSort(List<String> entries, String resFile) throws IOException {
Collections.sort(entries);
StringBuilder sb = new StringBuilder();
for(String entry : entries){
appendNonNull(sb, entry, true);
}
writeToFile(sb.toString(), resFile);
}
private int alterDatabase(Hive db, AlterDatabaseDesc alterDbDesc) throws HiveException {
String dbName = alterDbDesc.getDatabaseName();
Database database = db.getDatabase(dbName);
if (database == null) {
throw new HiveException(ErrorMsg.DATABASE_NOT_EXISTS, dbName);
}
switch (alterDbDesc.getAlterType()) {
case ALTER_PROPERTY:
Map<String, String> newParams = alterDbDesc.getDatabaseProperties();
Map<String, String> params = database.getParameters();
// if both old and new params are not null, merge them
if (params != null && newParams != null) {
params.putAll(newParams);
database.setParameters(params);
} else {
// if one of them is null, replace the old params with the new one
database.setParameters(newParams);
}
break;
case ALTER_OWNER:
database.setOwnerName(alterDbDesc.getOwnerPrincipal().getName());
database.setOwnerType(alterDbDesc.getOwnerPrincipal().getType());
break;
default:
throw new AssertionError("Unsupported alter database type! : " + alterDbDesc.getAlterType());
}
db.alterDatabase(database.getName(), database);
return 0;
}
private int dropIndex(Hive db, DropIndexDesc dropIdx) throws HiveException {
db.dropIndex(dropIdx.getTableName(), dropIdx.getIndexName(), dropIdx.isThrowException(), true);
return 0;
}
private int createIndex(Hive db, CreateIndexDesc crtIndex) throws HiveException {
if( crtIndex.getSerde() != null) {
validateSerDe(crtIndex.getSerde());
}
String indexTableName = crtIndex.getIndexTableName();
if (!Utilities.isDefaultNameNode(conf)) {
// If location is specified - ensure that it is a full qualified name
makeLocationQualified(crtIndex, indexTableName);
}
db
.createIndex(
crtIndex.getTableName(), crtIndex.getIndexName(), crtIndex.getIndexTypeHandlerClass(),
crtIndex.getIndexedCols(), crtIndex.getIndexTableName(), crtIndex.getDeferredRebuild(),
crtIndex.getInputFormat(), crtIndex.getOutputFormat(), crtIndex.getSerde(),
crtIndex.getStorageHandler(), crtIndex.getLocation(), crtIndex.getIdxProps(), crtIndex.getTblProps(),
crtIndex.getSerdeProps(), crtIndex.getCollItemDelim(), crtIndex.getFieldDelim(), crtIndex.getFieldEscape(),
crtIndex.getLineDelim(), crtIndex.getMapKeyDelim(), crtIndex.getIndexComment()
);
if (HiveUtils.getIndexHandler(conf, crtIndex.getIndexTypeHandlerClass()).usesIndexTable()) {
Table indexTable = db.getTable(indexTableName);
work.getOutputs().add(new WriteEntity(indexTable, WriteEntity.WriteType.DDL_NO_LOCK));
}
return 0;
}
private int alterIndex(Hive db, AlterIndexDesc alterIndex) throws HiveException {
String baseTableName = alterIndex.getBaseTableName();
String indexName = alterIndex.getIndexName();
Index idx = db.getIndex(baseTableName, indexName);
switch(alterIndex.getOp()) {
case ADDPROPS:
idx.getParameters().putAll(alterIndex.getProps());
break;
case UPDATETIMESTAMP:
try {
Map<String, String> props = new HashMap<String, String>();
Map<Map<String, String>, Long> basePartTs = new HashMap<Map<String, String>, Long>();
Table baseTbl = db.getTable(baseTableName);
if (baseTbl.isPartitioned()) {
List<Partition> baseParts;
if (alterIndex.getSpec() != null) {
baseParts = db.getPartitions(baseTbl, alterIndex.getSpec());
} else {
baseParts = db.getPartitions(baseTbl);
}
if (baseParts != null) {
for (Partition p : baseParts) {
FileSystem fs = p.getDataLocation().getFileSystem(db.getConf());
FileStatus fss = fs.getFileStatus(p.getDataLocation());
basePartTs.put(p.getSpec(), fss.getModificationTime());
}
}
} else {
FileSystem fs = baseTbl.getPath().getFileSystem(db.getConf());
FileStatus fss = fs.getFileStatus(baseTbl.getPath());
basePartTs.put(null, fss.getModificationTime());
}
for (Map<String, String> spec : basePartTs.keySet()) {
if (spec != null) {
props.put(spec.toString(), basePartTs.get(spec).toString());
} else {
props.put("base_timestamp", basePartTs.get(null).toString());
}
}
idx.getParameters().putAll(props);
} catch (HiveException e) {
throw new HiveException("ERROR: Failed to update index timestamps");
} catch (IOException e) {
throw new HiveException("ERROR: Failed to look up timestamps on filesystem");
}
break;
default:
console.printError("Unsupported Alter commnad");
return 1;
}
// set last modified by properties
if (!updateModifiedParameters(idx.getParameters(), conf)) {
return 1;
}
try {
db.alterIndex(baseTableName, indexName, idx);
} catch (InvalidOperationException e) {
console.printError("Invalid alter operation: " + e.getMessage());
LOG.info("alter index: " + stringifyException(e));
return 1;
} catch (HiveException e) {
console.printError("Invalid alter operation: " + e.getMessage());
return 1;
}
return 0;
}
/**
* Add a partitions to a table.
*
* @param db
* Database to add the partition to.
* @param addPartitionDesc
* Add these partitions.