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DDLSemanticAnalyzer.java
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DDLSemanticAnalyzer.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.parse;
import static org.apache.hadoop.hive.ql.parse.HiveParser.TOK_DATABASELOCATION;
import static org.apache.hadoop.hive.ql.parse.HiveParser.TOK_DATABASEPROPERTIES;
import java.io.Serializable;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;
import org.antlr.runtime.tree.CommonTree;
import org.antlr.runtime.tree.Tree;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hive.common.JavaUtils;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
import org.apache.hadoop.hive.metastore.MetaStoreUtils;
import org.apache.hadoop.hive.metastore.TableType;
import org.apache.hadoop.hive.metastore.Warehouse;
import org.apache.hadoop.hive.metastore.api.Database;
import org.apache.hadoop.hive.metastore.api.FieldSchema;
import org.apache.hadoop.hive.metastore.api.Index;
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.SkewedInfo;
import org.apache.hadoop.hive.ql.Driver;
import org.apache.hadoop.hive.ql.ErrorMsg;
import org.apache.hadoop.hive.ql.exec.ArchiveUtils;
import org.apache.hadoop.hive.ql.exec.ColumnStatsUpdateTask;
import org.apache.hadoop.hive.ql.exec.FetchTask;
import org.apache.hadoop.hive.ql.exec.FunctionRegistry;
import org.apache.hadoop.hive.ql.exec.Task;
import org.apache.hadoop.hive.ql.exec.TaskFactory;
import org.apache.hadoop.hive.ql.exec.Utilities;
import org.apache.hadoop.hive.ql.hooks.ReadEntity;
import org.apache.hadoop.hive.ql.hooks.WriteEntity;
import org.apache.hadoop.hive.ql.index.HiveIndex;
import org.apache.hadoop.hive.ql.index.HiveIndex.IndexType;
import org.apache.hadoop.hive.ql.index.HiveIndexHandler;
import org.apache.hadoop.hive.ql.io.IgnoreKeyTextOutputFormat;
import org.apache.hadoop.hive.ql.io.RCFileInputFormat;
import org.apache.hadoop.hive.ql.io.orc.OrcInputFormat;
import org.apache.hadoop.hive.ql.lib.Node;
import org.apache.hadoop.hive.ql.lockmgr.HiveTxnManager;
import org.apache.hadoop.hive.ql.lockmgr.LockException;
import org.apache.hadoop.hive.ql.lockmgr.TxnManagerFactory;
import org.apache.hadoop.hive.ql.metadata.Hive;
import org.apache.hadoop.hive.ql.metadata.HiveException;
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.Table;
import org.apache.hadoop.hive.ql.parse.authorization.AuthorizationParseUtils;
import org.apache.hadoop.hive.ql.parse.authorization.HiveAuthorizationTaskFactory;
import org.apache.hadoop.hive.ql.parse.authorization.HiveAuthorizationTaskFactoryImpl;
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.AlterIndexDesc.AlterIndexTypes;
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.ColumnStatsDesc;
import org.apache.hadoop.hive.ql.plan.ColumnStatsUpdateWork;
import org.apache.hadoop.hive.ql.plan.CreateDatabaseDesc;
import org.apache.hadoop.hive.ql.plan.CreateIndexDesc;
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.ExprNodeColumnDesc;
import org.apache.hadoop.hive.ql.plan.ExprNodeConstantDesc;
import org.apache.hadoop.hive.ql.plan.ExprNodeDesc;
import org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc;
import org.apache.hadoop.hive.ql.plan.FetchWork;
import org.apache.hadoop.hive.ql.plan.ListBucketingCtx;
import org.apache.hadoop.hive.ql.plan.LoadTableDesc;
import org.apache.hadoop.hive.ql.plan.LockDatabaseDesc;
import org.apache.hadoop.hive.ql.plan.LockTableDesc;
import org.apache.hadoop.hive.ql.plan.MoveWork;
import org.apache.hadoop.hive.ql.plan.MsckDesc;
import org.apache.hadoop.hive.ql.plan.PlanUtils;
import org.apache.hadoop.hive.ql.plan.PrincipalDesc;
import org.apache.hadoop.hive.ql.plan.RenamePartitionDesc;
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.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.StatsWork;
import org.apache.hadoop.hive.ql.plan.SwitchDatabaseDesc;
import org.apache.hadoop.hive.ql.plan.TableDesc;
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.session.SessionState;
import org.apache.hadoop.hive.serde.serdeConstants;
import org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters.Converter;
import org.apache.hadoop.hive.serde2.typeinfo.CharTypeInfo;
import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo;
import org.apache.hadoop.hive.serde2.typeinfo.PrimitiveTypeInfo;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoUtils;
import org.apache.hadoop.hive.serde2.typeinfo.VarcharTypeInfo;
import org.apache.hadoop.mapred.InputFormat;
import org.apache.hadoop.mapred.TextInputFormat;
import org.apache.hadoop.util.StringUtils;
import com.google.common.collect.Lists;
/**
* DDLSemanticAnalyzer.
*
*/
public class DDLSemanticAnalyzer extends BaseSemanticAnalyzer {
private static final Log LOG = LogFactory.getLog(DDLSemanticAnalyzer.class);
private static final Map<Integer, String> TokenToTypeName = new HashMap<Integer, String>();
private final Set<String> reservedPartitionValues;
private final HiveAuthorizationTaskFactory hiveAuthorizationTaskFactory;
static {
TokenToTypeName.put(HiveParser.TOK_BOOLEAN, serdeConstants.BOOLEAN_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_TINYINT, serdeConstants.TINYINT_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_SMALLINT, serdeConstants.SMALLINT_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_INT, serdeConstants.INT_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_BIGINT, serdeConstants.BIGINT_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_FLOAT, serdeConstants.FLOAT_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_DOUBLE, serdeConstants.DOUBLE_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_STRING, serdeConstants.STRING_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_CHAR, serdeConstants.CHAR_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_VARCHAR, serdeConstants.VARCHAR_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_BINARY, serdeConstants.BINARY_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_DATE, serdeConstants.DATE_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_DATETIME, serdeConstants.DATETIME_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_TIMESTAMP, serdeConstants.TIMESTAMP_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_INTERVAL_YEAR_MONTH, serdeConstants.INTERVAL_YEAR_MONTH_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_INTERVAL_DAY_TIME, serdeConstants.INTERVAL_DAY_TIME_TYPE_NAME);
TokenToTypeName.put(HiveParser.TOK_DECIMAL, serdeConstants.DECIMAL_TYPE_NAME);
}
public static String getTypeName(ASTNode node) throws SemanticException {
int token = node.getType();
String typeName;
// datetime type isn't currently supported
if (token == HiveParser.TOK_DATETIME) {
throw new SemanticException(ErrorMsg.UNSUPPORTED_TYPE.getMsg());
}
switch (token) {
case HiveParser.TOK_CHAR:
CharTypeInfo charTypeInfo = ParseUtils.getCharTypeInfo(node);
typeName = charTypeInfo.getQualifiedName();
break;
case HiveParser.TOK_VARCHAR:
VarcharTypeInfo varcharTypeInfo = ParseUtils.getVarcharTypeInfo(node);
typeName = varcharTypeInfo.getQualifiedName();
break;
case HiveParser.TOK_DECIMAL:
DecimalTypeInfo decTypeInfo = ParseUtils.getDecimalTypeTypeInfo(node);
typeName = decTypeInfo.getQualifiedName();
break;
default:
typeName = TokenToTypeName.get(token);
}
return typeName;
}
public DDLSemanticAnalyzer(HiveConf conf) throws SemanticException {
this(conf, createHiveDB(conf));
}
public DDLSemanticAnalyzer(HiveConf conf, Hive db) throws SemanticException {
super(conf, db);
reservedPartitionValues = new HashSet<String>();
// Partition can't have this name
reservedPartitionValues.add(HiveConf.getVar(conf, ConfVars.DEFAULTPARTITIONNAME));
reservedPartitionValues.add(HiveConf.getVar(conf, ConfVars.DEFAULT_ZOOKEEPER_PARTITION_NAME));
// Partition value can't end in this suffix
reservedPartitionValues.add(HiveConf.getVar(conf, ConfVars.METASTORE_INT_ORIGINAL));
reservedPartitionValues.add(HiveConf.getVar(conf, ConfVars.METASTORE_INT_ARCHIVED));
reservedPartitionValues.add(HiveConf.getVar(conf, ConfVars.METASTORE_INT_EXTRACTED));
hiveAuthorizationTaskFactory = createAuthorizationTaskFactory(conf, db);
}
@Override
public void analyzeInternal(ASTNode input) throws SemanticException {
ASTNode ast = input;
switch (ast.getType()) {
case HiveParser.TOK_ALTERTABLE: {
ast = (ASTNode) input.getChild(1);
String[] qualified = getQualifiedTableName((ASTNode) input.getChild(0));
String tableName = getDotName(qualified);
HashMap<String, String> partSpec = null;
ASTNode partSpecNode = (ASTNode)input.getChild(2);
if (partSpecNode != null) {
// We can use alter table partition rename to convert/normalize the legacy partition
// column values. In so, we should not enable the validation to the old partition spec
// passed in this command.
if (ast.getType() == HiveParser.TOK_ALTERTABLE_RENAMEPART) {
partSpec = getPartSpec(partSpecNode);
} else {
partSpec = getValidatedPartSpec(getTable(tableName), partSpecNode, conf, false);
}
}
if (ast.getType() == HiveParser.TOK_ALTERTABLE_RENAME) {
analyzeAlterTableRename(qualified, ast, false);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_TOUCH) {
analyzeAlterTableTouch(qualified, ast);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_ARCHIVE) {
analyzeAlterTableArchive(qualified, ast, false);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_UNARCHIVE) {
analyzeAlterTableArchive(qualified, ast, true);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_ADDCOLS) {
analyzeAlterTableModifyCols(qualified, ast, partSpec, AlterTableTypes.ADDCOLS);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_REPLACECOLS) {
analyzeAlterTableModifyCols(qualified, ast, partSpec, AlterTableTypes.REPLACECOLS);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_RENAMECOL) {
analyzeAlterTableRenameCol(qualified, ast, partSpec);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_ADDPARTS) {
analyzeAlterTableAddParts(qualified, ast, false);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_DROPPARTS) {
analyzeAlterTableDropParts(qualified, ast, false);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_PARTCOLTYPE) {
analyzeAlterTablePartColType(qualified, ast);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_PROPERTIES) {
analyzeAlterTableProps(qualified, ast, false, false);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_DROPPROPERTIES) {
analyzeAlterTableProps(qualified, ast, false, true);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_SKEWED) {
analyzeAltertableSkewedby(qualified, ast);
} else if (ast.getType() == HiveParser.TOK_ALTERTABLE_EXCHANGEPARTITION) {
analyzeExchangePartition(qualified, ast);
} else if (ast.getToken().getType() == HiveParser.TOK_ALTERTABLE_FILEFORMAT) {
analyzeAlterTableFileFormat(ast, tableName, partSpec);
} else if (ast.getToken().getType() == HiveParser.TOK_ALTERTABLE_PROTECTMODE) {
analyzeAlterTableProtectMode(ast, tableName, partSpec);
} else if (ast.getToken().getType() == HiveParser.TOK_ALTERTABLE_LOCATION) {
analyzeAlterTableLocation(ast, tableName, partSpec);
} else if (ast.getToken().getType() == HiveParser.TOK_ALTERTABLE_MERGEFILES) {
analyzeAlterTablePartMergeFiles(ast, tableName, partSpec);
} else if (ast.getToken().getType() == HiveParser.TOK_ALTERTABLE_SERIALIZER) {
analyzeAlterTableSerde(ast, tableName, partSpec);
} else if (ast.getToken().getType() == HiveParser.TOK_ALTERTABLE_SERDEPROPERTIES) {
analyzeAlterTableSerdeProps(ast, tableName, partSpec);
} else if (ast.getToken().getType() == HiveParser.TOK_ALTERTABLE_RENAMEPART) {
analyzeAlterTableRenamePart(ast, tableName, partSpec);
} else if (ast.getToken().getType() == HiveParser.TOK_ALTERTABLE_SKEWED_LOCATION) {
analyzeAlterTableSkewedLocation(ast, tableName, partSpec);
} else if (ast.getToken().getType() == HiveParser.TOK_ALTERTABLE_BUCKETS) {
analyzeAlterTableBucketNum(ast, tableName, partSpec);
} else if (ast.getToken().getType() == HiveParser.TOK_ALTERTABLE_CLUSTER_SORT) {
analyzeAlterTableClusterSort(ast, tableName, partSpec);
} else if (ast.getToken().getType() == HiveParser.TOK_ALTERTABLE_COMPACT) {
analyzeAlterTableCompact(ast, tableName, partSpec);
} else if(ast.getToken().getType() == HiveParser.TOK_ALTERTABLE_UPDATECOLSTATS){
analyzeAlterTableUpdateStats(ast, tableName, partSpec);
}
break;
}
case HiveParser.TOK_DROPTABLE:
analyzeDropTable(ast, false);
break;
case HiveParser.TOK_TRUNCATETABLE:
analyzeTruncateTable(ast);
break;
case HiveParser.TOK_CREATEINDEX:
analyzeCreateIndex(ast);
break;
case HiveParser.TOK_DROPINDEX:
analyzeDropIndex(ast);
break;
case HiveParser.TOK_DESCTABLE:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeDescribeTable(ast);
break;
case HiveParser.TOK_SHOWDATABASES:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowDatabases(ast);
break;
case HiveParser.TOK_SHOWTABLES:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowTables(ast);
break;
case HiveParser.TOK_SHOWCOLUMNS:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowColumns(ast);
break;
case HiveParser.TOK_SHOW_TABLESTATUS:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowTableStatus(ast);
break;
case HiveParser.TOK_SHOW_TBLPROPERTIES:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowTableProperties(ast);
break;
case HiveParser.TOK_SHOWFUNCTIONS:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowFunctions(ast);
break;
case HiveParser.TOK_SHOWLOCKS:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowLocks(ast);
break;
case HiveParser.TOK_SHOWDBLOCKS:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowDbLocks(ast);
break;
case HiveParser.TOK_SHOW_COMPACTIONS:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowCompactions(ast);
break;
case HiveParser.TOK_SHOW_TRANSACTIONS:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowTxns(ast);
break;
case HiveParser.TOK_SHOWCONF:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowConf(ast);
break;
case HiveParser.TOK_DESCFUNCTION:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeDescFunction(ast);
break;
case HiveParser.TOK_DESCDATABASE:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeDescDatabase(ast);
break;
case HiveParser.TOK_MSCK:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeMetastoreCheck(ast);
break;
case HiveParser.TOK_DROPVIEW:
analyzeDropTable(ast, true);
break;
case HiveParser.TOK_ALTERVIEW: {
String[] qualified = getQualifiedTableName((ASTNode) ast.getChild(0));
ast = (ASTNode) ast.getChild(1);
if (ast.getType() == HiveParser.TOK_ALTERVIEW_PROPERTIES) {
analyzeAlterTableProps(qualified, ast, true, false);
} else if (ast.getType() == HiveParser.TOK_ALTERVIEW_DROPPROPERTIES) {
analyzeAlterTableProps(qualified, ast, true, true);
} else if (ast.getType() == HiveParser.TOK_ALTERVIEW_ADDPARTS) {
analyzeAlterTableAddParts(qualified, ast, true);
} else if (ast.getType() == HiveParser.TOK_ALTERVIEW_DROPPARTS) {
analyzeAlterTableDropParts(qualified, ast, true);
} else if (ast.getType() == HiveParser.TOK_ALTERVIEW_RENAME) {
analyzeAlterTableRename(qualified, ast, true);
}
break;
}
case HiveParser.TOK_ALTERINDEX_REBUILD:
analyzeAlterIndexRebuild(ast);
break;
case HiveParser.TOK_ALTERINDEX_PROPERTIES:
analyzeAlterIndexProps(ast);
break;
case HiveParser.TOK_SHOWPARTITIONS:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowPartitions(ast);
break;
case HiveParser.TOK_SHOW_CREATETABLE:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowCreateTable(ast);
break;
case HiveParser.TOK_SHOWINDEXES:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowIndexes(ast);
break;
case HiveParser.TOK_LOCKTABLE:
analyzeLockTable(ast);
break;
case HiveParser.TOK_UNLOCKTABLE:
analyzeUnlockTable(ast);
break;
case HiveParser.TOK_LOCKDB:
analyzeLockDatabase(ast);
break;
case HiveParser.TOK_UNLOCKDB:
analyzeUnlockDatabase(ast);
break;
case HiveParser.TOK_CREATEDATABASE:
analyzeCreateDatabase(ast);
break;
case HiveParser.TOK_DROPDATABASE:
analyzeDropDatabase(ast);
break;
case HiveParser.TOK_SWITCHDATABASE:
analyzeSwitchDatabase(ast);
break;
case HiveParser.TOK_ALTERDATABASE_PROPERTIES:
analyzeAlterDatabaseProperties(ast);
break;
case HiveParser.TOK_ALTERDATABASE_OWNER:
analyzeAlterDatabaseOwner(ast);
break;
case HiveParser.TOK_CREATEROLE:
analyzeCreateRole(ast);
break;
case HiveParser.TOK_DROPROLE:
analyzeDropRole(ast);
break;
case HiveParser.TOK_SHOW_ROLE_GRANT:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowRoleGrant(ast);
break;
case HiveParser.TOK_SHOW_ROLE_PRINCIPALS:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowRolePrincipals(ast);
break;
case HiveParser.TOK_SHOW_ROLES:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowRoles(ast);
break;
case HiveParser.TOK_GRANT_ROLE:
analyzeGrantRevokeRole(true, ast);
break;
case HiveParser.TOK_REVOKE_ROLE:
analyzeGrantRevokeRole(false, ast);
break;
case HiveParser.TOK_GRANT:
analyzeGrant(ast);
break;
case HiveParser.TOK_SHOW_GRANT:
ctx.setResFile(ctx.getLocalTmpPath());
analyzeShowGrant(ast);
break;
case HiveParser.TOK_REVOKE:
analyzeRevoke(ast);
break;
case HiveParser.TOK_SHOW_SET_ROLE:
analyzeSetShowRole(ast);
break;
default:
throw new SemanticException("Unsupported command.");
}
if (fetchTask != null && !rootTasks.isEmpty()) {
rootTasks.get(rootTasks.size() - 1).setFetchSource(true);
}
}
private void analyzeAlterTableUpdateStats(ASTNode ast, String tblName, Map<String, String> partSpec)
throws SemanticException {
String colName = getUnescapedName((ASTNode) ast.getChild(0));
Map<String, String> mapProp = getProps((ASTNode) (ast.getChild(1)).getChild(0));
Table tbl = getTable(tblName);
String partName = null;
if (partSpec != null) {
try {
partName = Warehouse.makePartName(partSpec, false);
} catch (MetaException e) {
// TODO Auto-generated catch block
throw new SemanticException("partition " + partSpec.toString()
+ " not found");
}
}
String colType = null;
List<FieldSchema> cols = tbl.getCols();
for (FieldSchema col : cols) {
if (colName.equalsIgnoreCase(col.getName())) {
colType = col.getType();
break;
}
}
if (colType == null)
throw new SemanticException("column type not found");
ColumnStatsDesc cStatsDesc = new ColumnStatsDesc(tbl.getDbName() + "." + tbl.getTableName(),
Arrays.asList(colName), Arrays.asList(colType), partSpec == null);
ColumnStatsUpdateTask cStatsUpdateTask = (ColumnStatsUpdateTask) TaskFactory
.get(new ColumnStatsUpdateWork(cStatsDesc, partName, mapProp), conf);
rootTasks.add(cStatsUpdateTask);
}
private void analyzeSetShowRole(ASTNode ast) throws SemanticException {
switch (ast.getChildCount()) {
case 0:
ctx.setResFile(ctx.getLocalTmpPath());
rootTasks.add(hiveAuthorizationTaskFactory.createShowCurrentRoleTask(
getInputs(), getOutputs(), ctx.getResFile()));
setFetchTask(createFetchTask(RoleDDLDesc.getRoleNameSchema()));
break;
case 1:
rootTasks.add(hiveAuthorizationTaskFactory.createSetRoleTask(
BaseSemanticAnalyzer.unescapeIdentifier(ast.getChild(0).getText()),
getInputs(), getOutputs()));
break;
default:
throw new SemanticException("Internal error. ASTNode expected to have 0 or 1 child. "
+ ast.dump());
}
}
private void analyzeGrantRevokeRole(boolean grant, ASTNode ast) throws SemanticException {
Task<? extends Serializable> task;
if(grant) {
task = hiveAuthorizationTaskFactory.createGrantRoleTask(ast, getInputs(), getOutputs());
} else {
task = hiveAuthorizationTaskFactory.createRevokeRoleTask(ast, getInputs(), getOutputs());
}
if(task != null) {
rootTasks.add(task);
}
}
private void analyzeShowGrant(ASTNode ast) throws SemanticException {
Task<? extends Serializable> task = hiveAuthorizationTaskFactory.
createShowGrantTask(ast, ctx.getResFile(), getInputs(), getOutputs());
if(task != null) {
rootTasks.add(task);
setFetchTask(createFetchTask(ShowGrantDesc.getSchema()));
}
}
private void analyzeGrant(ASTNode ast) throws SemanticException {
Task<? extends Serializable> task = hiveAuthorizationTaskFactory.
createGrantTask(ast, getInputs(), getOutputs());
if(task != null) {
rootTasks.add(task);
}
}
private void analyzeRevoke(ASTNode ast) throws SemanticException {
Task<? extends Serializable> task = hiveAuthorizationTaskFactory.
createRevokeTask(ast, getInputs(), getOutputs());
if(task != null) {
rootTasks.add(task);
}
}
private void analyzeCreateRole(ASTNode ast) throws SemanticException {
Task<? extends Serializable> task = hiveAuthorizationTaskFactory.
createCreateRoleTask(ast, getInputs(), getOutputs());
if(task != null) {
rootTasks.add(task);
}
}
private void analyzeDropRole(ASTNode ast) throws SemanticException {
Task<? extends Serializable> task = hiveAuthorizationTaskFactory.
createDropRoleTask(ast, getInputs(), getOutputs());
if(task != null) {
rootTasks.add(task);
}
}
private void analyzeShowRoleGrant(ASTNode ast) throws SemanticException {
Task<? extends Serializable> task = hiveAuthorizationTaskFactory.
createShowRoleGrantTask(ast, ctx.getResFile(), getInputs(), getOutputs());
if(task != null) {
rootTasks.add(task);
setFetchTask(createFetchTask(RoleDDLDesc.getRoleShowGrantSchema()));
}
}
private void analyzeShowRolePrincipals(ASTNode ast) throws SemanticException {
Task<DDLWork> roleDDLTask = (Task<DDLWork>) hiveAuthorizationTaskFactory
.createShowRolePrincipalsTask(ast, ctx.getResFile(), getInputs(), getOutputs());
if (roleDDLTask != null) {
rootTasks.add(roleDDLTask);
setFetchTask(createFetchTask(RoleDDLDesc.getShowRolePrincipalsSchema()));
}
}
private void analyzeShowRoles(ASTNode ast) throws SemanticException {
Task<DDLWork> roleDDLTask = (Task<DDLWork>) hiveAuthorizationTaskFactory
.createShowRolesTask(ast, ctx.getResFile(), getInputs(), getOutputs());
if (roleDDLTask != null) {
rootTasks.add(roleDDLTask);
setFetchTask(createFetchTask(RoleDDLDesc.getRoleNameSchema()));
}
}
private void analyzeAlterDatabaseProperties(ASTNode ast) throws SemanticException {
String dbName = unescapeIdentifier(ast.getChild(0).getText());
Map<String, String> dbProps = null;
for (int i = 1; i < ast.getChildCount(); i++) {
ASTNode childNode = (ASTNode) ast.getChild(i);
switch (childNode.getToken().getType()) {
case HiveParser.TOK_DATABASEPROPERTIES:
dbProps = DDLSemanticAnalyzer.getProps((ASTNode) childNode.getChild(0));
break;
default:
throw new SemanticException("Unrecognized token in CREATE DATABASE statement");
}
}
AlterDatabaseDesc alterDesc = new AlterDatabaseDesc(dbName, dbProps);
addAlterDbDesc(alterDesc);
}
private void addAlterDbDesc(AlterDatabaseDesc alterDesc) throws SemanticException {
Database database = getDatabase(alterDesc.getDatabaseName());
outputs.add(new WriteEntity(database, WriteEntity.WriteType.DDL_NO_LOCK));
rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), alterDesc), conf));
}
private void analyzeAlterDatabaseOwner(ASTNode ast) throws SemanticException {
String dbName = getUnescapedName((ASTNode) ast.getChild(0));
PrincipalDesc principalDesc = AuthorizationParseUtils.getPrincipalDesc((ASTNode) ast
.getChild(1));
// The syntax should not allow these fields to be null, but lets verify
String nullCmdMsg = "can't be null in alter database set owner command";
if(principalDesc.getName() == null){
throw new SemanticException("Owner name " + nullCmdMsg);
}
if(principalDesc.getType() == null){
throw new SemanticException("Owner type " + nullCmdMsg);
}
AlterDatabaseDesc alterDesc = new AlterDatabaseDesc(dbName, principalDesc);
addAlterDbDesc(alterDesc);
}
private void analyzeExchangePartition(String[] qualified, ASTNode ast) throws SemanticException {
Table destTable = getTable(qualified);
Table sourceTable = getTable(getUnescapedName((ASTNode)ast.getChild(1)));
// Get the partition specs
Map<String, String> partSpecs = getValidatedPartSpec(sourceTable, (ASTNode)ast.getChild(0), conf, false);
validatePartitionValues(partSpecs);
boolean sameColumns = MetaStoreUtils.compareFieldColumns(
destTable.getAllCols(), sourceTable.getAllCols());
boolean samePartitions = MetaStoreUtils.compareFieldColumns(
destTable.getPartitionKeys(), sourceTable.getPartitionKeys());
if (!sameColumns || !samePartitions) {
throw new SemanticException(ErrorMsg.TABLES_INCOMPATIBLE_SCHEMAS.getMsg());
}
// check if source partition exists
getPartitions(sourceTable, partSpecs, true);
// Verify that the partitions specified are continuous
// If a subpartition value is specified without specifying a partition's value
// then we throw an exception
int counter = isPartitionValueContinuous(sourceTable.getPartitionKeys(), partSpecs);
if (counter < 0) {
throw new SemanticException(
ErrorMsg.PARTITION_VALUE_NOT_CONTINUOUS.getMsg(partSpecs.toString()));
}
List<Partition> destPartitions = null;
try {
destPartitions = getPartitions(destTable, partSpecs, true);
} catch (SemanticException ex) {
// We should expect a semantic exception being throw as this partition
// should not be present.
}
if (destPartitions != null) {
// If any destination partition is present then throw a Semantic Exception.
throw new SemanticException(ErrorMsg.PARTITION_EXISTS.getMsg(destPartitions.toString()));
}
AlterTableExchangePartition alterTableExchangePartition =
new AlterTableExchangePartition(sourceTable, destTable, partSpecs);
rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
alterTableExchangePartition), conf));
}
/**
* @param partitionKeys the list of partition keys of the table
* @param partSpecs the partition specs given by the user
* @return >=0 if no subpartition value is specified without a partition's
* value being specified else it returns -1
*/
private int isPartitionValueContinuous(List<FieldSchema> partitionKeys,
Map<String, String> partSpecs) {
int counter = 0;
for (FieldSchema partitionKey : partitionKeys) {
if (partSpecs.containsKey(partitionKey.getName())) {
counter++;
continue;
}
return partSpecs.size() == counter ? counter : -1;
}
return counter;
}
private void analyzeCreateDatabase(ASTNode ast) throws SemanticException {
String dbName = unescapeIdentifier(ast.getChild(0).getText());
boolean ifNotExists = false;
String dbComment = null;
String dbLocation = null;
Map<String, String> dbProps = null;
for (int i = 1; i < ast.getChildCount(); i++) {
ASTNode childNode = (ASTNode) ast.getChild(i);
switch (childNode.getToken().getType()) {
case HiveParser.TOK_IFNOTEXISTS:
ifNotExists = true;
break;
case HiveParser.TOK_DATABASECOMMENT:
dbComment = unescapeSQLString(childNode.getChild(0).getText());
break;
case TOK_DATABASEPROPERTIES:
dbProps = DDLSemanticAnalyzer.getProps((ASTNode) childNode.getChild(0));
break;
case TOK_DATABASELOCATION:
dbLocation = unescapeSQLString(childNode.getChild(0).getText());
addLocationToOutputs(dbLocation);
break;
default:
throw new SemanticException("Unrecognized token in CREATE DATABASE statement");
}
}
CreateDatabaseDesc createDatabaseDesc =
new CreateDatabaseDesc(dbName, dbComment, dbLocation, ifNotExists);
if (dbProps != null) {
createDatabaseDesc.setDatabaseProperties(dbProps);
}
Database database = new Database(dbName, dbComment, dbLocation, dbProps);
outputs.add(new WriteEntity(database, WriteEntity.WriteType.DDL_NO_LOCK));
rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
createDatabaseDesc), conf));
}
private void analyzeDropDatabase(ASTNode ast) throws SemanticException {
String dbName = unescapeIdentifier(ast.getChild(0).getText());
boolean ifExists = false;
boolean ifCascade = false;
if (null != ast.getFirstChildWithType(HiveParser.TOK_IFEXISTS)) {
ifExists = true;
}
if (null != ast.getFirstChildWithType(HiveParser.TOK_CASCADE)) {
ifCascade = true;
}
Database database = getDatabase(dbName, !ifExists);
if (database == null) {
return;
}
// if cascade=true, then we need to authorize the drop table action as well
if (ifCascade) {
// add the tables as well to outputs
List<String> tableNames;
// get names of all tables under this dbName
try {
tableNames = db.getAllTables(dbName);
} catch (HiveException e) {
throw new SemanticException(e);
}
// add tables to outputs
if (tableNames != null) {
for (String tableName : tableNames) {
Table table = getTable(dbName, tableName, true);
// We want no lock here, as the database lock will cover the tables,
// and putting a lock will actually cause us to deadlock on ourselves.
outputs.add(new WriteEntity(table, WriteEntity.WriteType.DDL_NO_LOCK));
}
}
}
inputs.add(new ReadEntity(database));
outputs.add(new WriteEntity(database, WriteEntity.WriteType.DDL_EXCLUSIVE));
DropDatabaseDesc dropDatabaseDesc = new DropDatabaseDesc(dbName, ifExists, ifCascade);
rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), dropDatabaseDesc), conf));
}
private void analyzeSwitchDatabase(ASTNode ast) throws SemanticException {
String dbName = unescapeIdentifier(ast.getChild(0).getText());
Database database = getDatabase(dbName, true);
ReadEntity dbReadEntity = new ReadEntity(database);
dbReadEntity.noLockNeeded();
inputs.add(dbReadEntity);
SwitchDatabaseDesc switchDatabaseDesc = new SwitchDatabaseDesc(dbName);
rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
switchDatabaseDesc), conf));
}
private void analyzeDropTable(ASTNode ast, boolean expectView)
throws SemanticException {
String tableName = getUnescapedName((ASTNode) ast.getChild(0));
boolean ifExists = (ast.getFirstChildWithType(HiveParser.TOK_IFEXISTS) != null);
// we want to signal an error if the table/view doesn't exist and we're
// configured not to fail silently
boolean throwException =
!ifExists && !HiveConf.getBoolVar(conf, ConfVars.DROPIGNORESNONEXISTENT);
ReplicationSpec replicationSpec = new ReplicationSpec(ast);
Table tab = getTable(tableName, throwException);
if (tab != null) {
inputs.add(new ReadEntity(tab));
outputs.add(new WriteEntity(tab, WriteEntity.WriteType.DDL_EXCLUSIVE));
}
boolean ifPurge = (ast.getFirstChildWithType(HiveParser.KW_PURGE) != null);
DropTableDesc dropTblDesc = new DropTableDesc(tableName, expectView, ifExists, ifPurge, replicationSpec);
rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
dropTblDesc), conf));
}
private void analyzeTruncateTable(ASTNode ast) throws SemanticException {
ASTNode root = (ASTNode) ast.getChild(0); // TOK_TABLE_PARTITION
String tableName = getUnescapedName((ASTNode) root.getChild(0));
Table table = getTable(tableName, true);
if (table.getTableType() != TableType.MANAGED_TABLE) {
throw new SemanticException(ErrorMsg.TRUNCATE_FOR_NON_MANAGED_TABLE.format(tableName));
}
if (table.isNonNative()) {
throw new SemanticException(ErrorMsg.TRUNCATE_FOR_NON_NATIVE_TABLE.format(tableName)); //TODO
}
if (!table.isPartitioned() && root.getChildCount() > 1) {
throw new SemanticException(ErrorMsg.PARTSPEC_FOR_NON_PARTITIONED_TABLE.format(tableName));
}
Map<String, String> partSpec = getPartSpec((ASTNode) root.getChild(1));
if (partSpec == null) {
if (!table.isPartitioned()) {
outputs.add(new WriteEntity(table, WriteEntity.WriteType.DDL_EXCLUSIVE));
} else {
for (Partition partition : getPartitions(table, null, false)) {
outputs.add(new WriteEntity(partition, WriteEntity.WriteType.DDL_EXCLUSIVE));
}
}
} else {
if (isFullSpec(table, partSpec)) {
validatePartSpec(table, partSpec, (ASTNode) root.getChild(1), conf, true);
Partition partition = getPartition(table, partSpec, true);
outputs.add(new WriteEntity(partition, WriteEntity.WriteType.DDL_EXCLUSIVE));
} else {
validatePartSpec(table, partSpec, (ASTNode) root.getChild(1), conf, false);
for (Partition partition : getPartitions(table, partSpec, false)) {
outputs.add(new WriteEntity(partition, WriteEntity.WriteType.DDL_EXCLUSIVE));
}
}
}
TruncateTableDesc truncateTblDesc = new TruncateTableDesc(tableName, partSpec);
DDLWork ddlWork = new DDLWork(getInputs(), getOutputs(), truncateTblDesc);
Task<? extends Serializable> truncateTask = TaskFactory.get(ddlWork, conf);
// Is this a truncate column command
List<String> columnNames = null;
if (ast.getChildCount() == 2) {
try {
columnNames = getColumnNames((ASTNode)ast.getChild(1));
// Throw an error if the table is indexed
List<Index> indexes = db.getIndexes(table.getDbName(), tableName, (short)1);
if (indexes != null && indexes.size() > 0) {
throw new SemanticException(ErrorMsg.TRUNCATE_COLUMN_INDEXED_TABLE.getMsg());
}
List<String> bucketCols = null;
Class<? extends InputFormat> inputFormatClass = null;
boolean isArchived = false;
Path newTblPartLoc = null;
Path oldTblPartLoc = null;
List<FieldSchema> cols = null;
ListBucketingCtx lbCtx = null;
boolean isListBucketed = false;
List<String> listBucketColNames = null;
if (table.isPartitioned()) {
Partition part = db.getPartition(table, partSpec, false);
Path tabPath = table.getPath();
Path partPath = part.getDataLocation();
// if the table is in a different dfs than the partition,
// replace the partition's dfs with the table's dfs.
newTblPartLoc = new Path(tabPath.toUri().getScheme(), tabPath.toUri()
.getAuthority(), partPath.toUri().getPath());
oldTblPartLoc = partPath;
cols = part.getCols();
bucketCols = part.getBucketCols();
inputFormatClass = part.getInputFormatClass();
isArchived = ArchiveUtils.isArchived(part);
lbCtx = constructListBucketingCtx(part.getSkewedColNames(), part.getSkewedColValues(),
part.getSkewedColValueLocationMaps(), part.isStoredAsSubDirectories(), conf);
isListBucketed = part.isStoredAsSubDirectories();
listBucketColNames = part.getSkewedColNames();
} else {
// input and output are the same
oldTblPartLoc = table.getPath();
newTblPartLoc = table.getPath();
cols = table.getCols();
bucketCols = table.getBucketCols();
inputFormatClass = table.getInputFormatClass();
lbCtx = constructListBucketingCtx(table.getSkewedColNames(), table.getSkewedColValues(),
table.getSkewedColValueLocationMaps(), table.isStoredAsSubDirectories(), conf);
isListBucketed = table.isStoredAsSubDirectories();
listBucketColNames = table.getSkewedColNames();
}
// throw a HiveException for non-rcfile.
if (!inputFormatClass.equals(RCFileInputFormat.class)) {
throw new SemanticException(ErrorMsg.TRUNCATE_COLUMN_NOT_RC.getMsg());
}
// throw a HiveException if the table/partition is archived
if (isArchived) {
throw new SemanticException(ErrorMsg.TRUNCATE_COLUMN_ARCHIVED.getMsg());
}
Set<Integer> columnIndexes = new HashSet<Integer>();
for (String columnName : columnNames) {
boolean found = false;
for (int columnIndex = 0; columnIndex < cols.size(); columnIndex++) {
if (columnName.equalsIgnoreCase(cols.get(columnIndex).getName())) {
columnIndexes.add(columnIndex);
found = true;
break;
}
}
// Throw an exception if the user is trying to truncate a column which doesn't exist
if (!found) {
throw new SemanticException(ErrorMsg.INVALID_COLUMN.getMsg(columnName));
}
// Throw an exception if the table/partition is bucketed on one of the columns
for (String bucketCol : bucketCols) {
if (bucketCol.equalsIgnoreCase(columnName)) {
throw new SemanticException(ErrorMsg.TRUNCATE_BUCKETED_COLUMN.getMsg(columnName));
}
}
if (isListBucketed) {
for (String listBucketCol : listBucketColNames) {
if (listBucketCol.equalsIgnoreCase(columnName)) {
throw new SemanticException(
ErrorMsg.TRUNCATE_LIST_BUCKETED_COLUMN.getMsg(columnName));
}
}
}
}
truncateTblDesc.setColumnIndexes(new ArrayList<Integer>(columnIndexes));
truncateTblDesc.setInputDir(oldTblPartLoc);
truncateTblDesc.setLbCtx(lbCtx);
addInputsOutputsAlterTable(tableName, partSpec, AlterTableTypes.TRUNCATE);