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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.metastore;
import org.apache.hadoop.hive.metastore.api.CreationMetadata;
import org.apache.hadoop.hive.metastore.api.ISchemaName;
import org.apache.hadoop.hive.metastore.api.SchemaVersionDescriptor;
import org.apache.hadoop.hive.metastore.api.WMFullResourcePlan;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.nio.ByteBuffer;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configurable;
import org.apache.hadoop.hive.metastore.api.AggrStats;
import org.apache.hadoop.hive.metastore.api.AlreadyExistsException;
import org.apache.hadoop.hive.metastore.api.Catalog;
import org.apache.hadoop.hive.metastore.api.ColumnStatistics;
import org.apache.hadoop.hive.metastore.api.CurrentNotificationEventId;
import org.apache.hadoop.hive.metastore.api.Database;
import org.apache.hadoop.hive.metastore.api.FieldSchema;
import org.apache.hadoop.hive.metastore.api.FileMetadataExprType;
import org.apache.hadoop.hive.metastore.api.Function;
import org.apache.hadoop.hive.metastore.api.HiveObjectPrivilege;
import org.apache.hadoop.hive.metastore.api.HiveObjectRef;
import org.apache.hadoop.hive.metastore.api.ISchema;
import org.apache.hadoop.hive.metastore.api.InvalidInputException;
import org.apache.hadoop.hive.metastore.api.InvalidObjectException;
import org.apache.hadoop.hive.metastore.api.InvalidOperationException;
import org.apache.hadoop.hive.metastore.api.InvalidPartitionException;
import org.apache.hadoop.hive.metastore.api.MetaException;
import org.apache.hadoop.hive.metastore.api.NoSuchObjectException;
import org.apache.hadoop.hive.metastore.api.NotificationEvent;
import org.apache.hadoop.hive.metastore.api.NotificationEventRequest;
import org.apache.hadoop.hive.metastore.api.NotificationEventResponse;
import org.apache.hadoop.hive.metastore.api.NotificationEventsCountRequest;
import org.apache.hadoop.hive.metastore.api.NotificationEventsCountResponse;
import org.apache.hadoop.hive.metastore.api.Partition;
import org.apache.hadoop.hive.metastore.api.PartitionEventType;
import org.apache.hadoop.hive.metastore.api.PartitionValuesResponse;
import org.apache.hadoop.hive.metastore.api.PrincipalPrivilegeSet;
import org.apache.hadoop.hive.metastore.api.PrincipalType;
import org.apache.hadoop.hive.metastore.api.PrivilegeBag;
import org.apache.hadoop.hive.metastore.api.Role;
import org.apache.hadoop.hive.metastore.api.RolePrincipalGrant;
import org.apache.hadoop.hive.metastore.api.RuntimeStat;
import org.apache.hadoop.hive.metastore.api.SQLCheckConstraint;
import org.apache.hadoop.hive.metastore.api.SQLDefaultConstraint;
import org.apache.hadoop.hive.metastore.api.SQLForeignKey;
import org.apache.hadoop.hive.metastore.api.SQLNotNullConstraint;
import org.apache.hadoop.hive.metastore.api.SQLPrimaryKey;
import org.apache.hadoop.hive.metastore.api.SQLUniqueConstraint;
import org.apache.hadoop.hive.metastore.api.SchemaVersion;
import org.apache.hadoop.hive.metastore.api.SerDeInfo;
import org.apache.hadoop.hive.metastore.api.Table;
import org.apache.hadoop.hive.metastore.api.TableMeta;
import org.apache.hadoop.hive.metastore.api.Type;
import org.apache.hadoop.hive.metastore.api.UnknownDBException;
import org.apache.hadoop.hive.metastore.api.UnknownPartitionException;
import org.apache.hadoop.hive.metastore.api.UnknownTableException;
import org.apache.hadoop.hive.metastore.api.WMMapping;
import org.apache.hadoop.hive.metastore.api.WMNullablePool;
import org.apache.hadoop.hive.metastore.api.WMNullableResourcePlan;
import org.apache.hadoop.hive.metastore.api.WMPool;
import org.apache.hadoop.hive.metastore.api.WMResourcePlan;
import org.apache.hadoop.hive.metastore.api.WMTrigger;
import org.apache.hadoop.hive.metastore.api.WMValidateResourcePlanResponse;
import org.apache.hadoop.hive.metastore.partition.spec.PartitionSpecProxy;
import org.apache.hadoop.hive.metastore.utils.MetaStoreUtils.ColStatsObjWithSourceInfo;
import org.apache.thrift.TException;
public interface RawStore extends Configurable {
/***
* Annotation to skip retries
*/
@Target(value = ElementType.METHOD)
@Retention(value = RetentionPolicy.RUNTIME)
@interface CanNotRetry {
}
void shutdown();
/**
* Opens a new one or the one already created Every call of this function must
* have corresponding commit or rollback function call
*
* @return an active transaction
*/
boolean openTransaction();
/**
* if this is the commit of the first open call then an actual commit is
* called.
*
* @return true or false
*/
@CanNotRetry
boolean commitTransaction();
boolean isActiveTransaction();
/**
* Rolls back the current transaction if it is active
*/
@CanNotRetry
void rollbackTransaction();
/**
* Create a new catalog.
* @param cat Catalog to create.
* @throws MetaException if something goes wrong, usually in storing it to the database.
*/
void createCatalog(Catalog cat) throws MetaException;
/**
* Alter an existing catalog. Only description and location can be changed, and the change of
* location is for internal use only.
* @param catName name of the catalog to alter.
* @param cat new version of the catalog.
* @throws MetaException something went wrong, usually in the database.
* @throws InvalidOperationException attempt to change something about the catalog that is not
* changeable, like the name.
*/
void alterCatalog(String catName, Catalog cat) throws MetaException, InvalidOperationException;
/**
* Get a catalog.
* @param catalogName name of the catalog.
* @return The catalog.
* @throws NoSuchObjectException no catalog of this name exists.
* @throws MetaException if something goes wrong, usually in reading it from the database.
*/
Catalog getCatalog(String catalogName) throws NoSuchObjectException, MetaException;
/**
* Get all the catalogs.
* @return list of names of all catalogs in the system
* @throws MetaException if something goes wrong, usually in reading from the database.
*/
List getCatalogs() throws MetaException;
/**
* Drop a catalog. The catalog must be empty.
* @param catalogName name of the catalog to drop.
* @throws NoSuchObjectException no catalog of this name exists.
* @throws MetaException could mean the catalog isn't empty, could mean general database error.
*/
void dropCatalog(String catalogName) throws NoSuchObjectException, MetaException;
/**
* Create a database.
* @param db database to create.
* @throws InvalidObjectException not sure it actually ever throws this.
* @throws MetaException if something goes wrong, usually in writing it to the database.
*/
void createDatabase(Database db)
throws InvalidObjectException, MetaException;
/**
* Get a database.
* @param catalogName catalog the database is in.
* @param name name of the database.
* @return the database.
* @throws NoSuchObjectException if no such database exists.
*/
Database getDatabase(String catalogName, String name)
throws NoSuchObjectException;
/**
* Drop a database.
* @param catalogName catalog the database is in.
* @param dbname name of the database.
* @return true if the database was dropped, pretty much always returns this if it returns.
* @throws NoSuchObjectException no database in this catalog of this name to drop
* @throws MetaException something went wrong, usually with the database.
*/
boolean dropDatabase(String catalogName, String dbname)
throws NoSuchObjectException, MetaException;
/**
* Alter a database.
* @param catalogName name of the catalog the database is in.
* @param dbname name of the database to alter
* @param db new version of the database. This should be complete as it will fully replace the
* existing db object.
* @return true if the change succeeds, could fail due to db constraint violations.
* @throws NoSuchObjectException no database of this name exists to alter.
* @throws MetaException something went wrong, usually with the database.
*/
boolean alterDatabase(String catalogName, String dbname, Database db)
throws NoSuchObjectException, MetaException;
/**
* Get all database in a catalog having names that match a pattern.
* @param catalogName name of the catalog to search for databases in
* @param pattern pattern names should match
* @return list of matching database names.
* @throws MetaException something went wrong, usually with the database.
*/
List getDatabases(String catalogName, String pattern) throws MetaException;
/**
* Get names of all the databases in a catalog.
* @param catalogName name of the catalog to search for databases in
* @return list of names of all databases in the catalog
* @throws MetaException something went wrong, usually with the database.
*/
List getAllDatabases(String catalogName) throws MetaException;
boolean createType(Type type);
Type getType(String typeName);
boolean dropType(String typeName);
void createTable(Table tbl) throws InvalidObjectException,
MetaException;
/**
* Drop a table.
* @param catalogName catalog the table is in
* @param dbName database the table is in
* @param tableName table name
* @return true if the table was dropped
* @throws MetaException something went wrong, usually in the RDBMS or storage
* @throws NoSuchObjectException No table of this name
* @throws InvalidObjectException Don't think this is ever actually thrown
* @throws InvalidInputException Don't think this is ever actually thrown
*/
boolean dropTable(String catalogName, String dbName, String tableName)
throws MetaException, NoSuchObjectException, InvalidObjectException, InvalidInputException;
/**
* Get a table object.
* @param catalogName catalog the table is in.
* @param dbName database the table is in.
* @param tableName table name.
* @return table object, or null if no such table exists (wow it would be nice if we either
* consistently returned null or consistently threw NoSuchObjectException).
* @throws MetaException something went wrong in the RDBMS
*/
Table getTable(String catalogName, String dbName, String tableName) throws MetaException;
/**
* Add a partition.
* @param part partition to add
* @return true if the partition was successfully added.
* @throws InvalidObjectException the provided partition object is not valid.
* @throws MetaException error writing to the RDBMS.
*/
boolean addPartition(Partition part)
throws InvalidObjectException, MetaException;
/**
* Add a list of partitions to a table.
* @param catName catalog name.
* @param dbName database name.
* @param tblName table name.
* @param parts list of partitions to be added.
* @return true if the operation succeeded.
* @throws InvalidObjectException never throws this AFAICT
* @throws MetaException the partitions don't belong to the indicated table or error writing to
* the RDBMS.
*/
boolean addPartitions(String catName, String dbName, String tblName, List parts)
throws InvalidObjectException, MetaException;
/**
* Add a list of partitions to a table.
* @param catName catalog name.
* @param dbName database name.
* @param tblName table name.
* @param partitionSpec specification for the partition
* @param ifNotExists whether it is in an error if the partition already exists. If true, then
* it is not an error if the partition exists, if false, it is.
* @return whether the partition was created.
* @throws InvalidObjectException The passed in partition spec or table specification is invalid.
* @throws MetaException error writing to RDBMS.
*/
boolean addPartitions(String catName, String dbName, String tblName,
PartitionSpecProxy partitionSpec, boolean ifNotExists)
throws InvalidObjectException, MetaException;
/**
* Get a partition.
* @param catName catalog name.
* @param dbName database name.
* @param tableName table name.
* @param part_vals partition values for this table.
* @return the partition.
* @throws MetaException error reading from RDBMS.
* @throws NoSuchObjectException no partition matching this specification exists.
*/
Partition getPartition(String catName, String dbName, String tableName,
List part_vals) throws MetaException, NoSuchObjectException;
/**
* Check whether a partition exists.
* @param catName catalog name.
* @param dbName database name.
* @param tableName table name.
* @param part_vals list of partition values.
* @return true if the partition exists, false otherwise.
* @throws MetaException failure reading RDBMS
* @throws NoSuchObjectException this is never thrown.
*/
boolean doesPartitionExist(String catName, String dbName, String tableName,
List part_vals) throws MetaException, NoSuchObjectException;
/**
* Drop a partition.
* @param catName catalog name.
* @param dbName database name.
* @param tableName table name.
* @param part_vals list of partition values.
* @return true if the partition was dropped.
* @throws MetaException Error accessing the RDBMS.
* @throws NoSuchObjectException no partition matching this description exists
* @throws InvalidObjectException error dropping the statistics for the partition
* @throws InvalidInputException error dropping the statistics for the partition
*/
boolean dropPartition(String catName, String dbName, String tableName,
List part_vals) throws MetaException, NoSuchObjectException, InvalidObjectException,
InvalidInputException;
/**
* Get some or all partitions for a table.
* @param catName catalog name.
* @param dbName database name.
* @param tableName table name
* @param max maximum number of partitions, or -1 to get all partitions.
* @return list of partitions
* @throws MetaException error access the RDBMS.
* @throws NoSuchObjectException no such table exists
*/
List getPartitions(String catName, String dbName,
String tableName, int max) throws MetaException, NoSuchObjectException;
/**
* Alter a table.
* @param catName catalog the table is in.
* @param dbname database the table is in.
* @param name name of the table.
* @param newTable New table object. Which parts of the table can be altered are
* implementation specific.
* @throws InvalidObjectException The new table object is invalid.
* @throws MetaException something went wrong, usually in the RDBMS or storage.
*/
void alterTable(String catName, String dbname, String name, Table newTable)
throws InvalidObjectException, MetaException;
/**
* Update creation metadata for a materialized view.
* @param catName catalog name.
* @param dbname database name.
* @param tablename table name.
* @param cm new creation metadata
* @throws MetaException error accessing the RDBMS.
*/
void updateCreationMetadata(String catName, String dbname, String tablename, CreationMetadata cm)
throws MetaException;
/**
* Get table names that match a pattern.
* @param catName catalog to search in
* @param dbName database to search in
* @param pattern pattern to match
* @return list of table names, if any
* @throws MetaException failure in querying the RDBMS
*/
List getTables(String catName, String dbName, String pattern)
throws MetaException;
/**
* Get table names that match a pattern.
* @param catName catalog to search in
* @param dbName database to search in
* @param pattern pattern to match
* @param tableType type of table to look for
* @return list of table names, if any
* @throws MetaException failure in querying the RDBMS
*/
List getTables(String catName, String dbName, String pattern, TableType tableType)
throws MetaException;
/**
* Get list of materialized views in a database.
* @param catName catalog name
* @param dbName database name
* @return names of all materialized views in the database
* @throws MetaException error querying the RDBMS
* @throws NoSuchObjectException no such database
*/
List getMaterializedViewsForRewriting(String catName, String dbName)
throws MetaException, NoSuchObjectException;
/**
* @param catName catalog name to search in. Search must be confined to one catalog.
* @param dbNames databases to search in.
* @param tableNames names of tables to select.
* @param tableTypes types of tables to look for.
* @return list of matching table meta information.
* @throws MetaException failure in querying the RDBMS.
*/
List getTableMeta(String catName, String dbNames, String tableNames,
List tableTypes) throws MetaException;
/**
* @param catName catalog name
* @param dbname
* The name of the database from which to retrieve the tables
* @param tableNames
* The names of the tables to retrieve.
* @return A list of the tables retrievable from the database
* whose names are in the list tableNames.
* If there are duplicate names, only one instance of the table will be returned
* @throws MetaException failure in querying the RDBMS.
*/
List
getTableObjectsByName(String catName, String dbname, List tableNames)
throws MetaException, UnknownDBException;
/**
* Get all tables in a database.
* @param catName catalog name.
* @param dbName database name.
* @return list of table names
* @throws MetaException failure in querying the RDBMS.
*/
List getAllTables(String catName, String dbName) throws MetaException;
/**
* Gets a list of tables based on a filter string and filter type.
* @param catName catalog name
* @param dbName
* The name of the database from which you will retrieve the table names
* @param filter
* The filter string
* @param max_tables
* The maximum number of tables returned
* @return A list of table names that match the desired filter
* @throws MetaException
* @throws UnknownDBException
*/
List listTableNamesByFilter(String catName, String dbName, String filter,
short max_tables) throws MetaException, UnknownDBException;
/**
* Get a partial or complete list of names for partitions of a table.
* @param catName catalog name.
* @param db_name database name.
* @param tbl_name table name.
* @param max_parts maximum number of partitions to retrieve, -1 for all.
* @return list of partition names.
* @throws MetaException there was an error accessing the RDBMS
*/
List listPartitionNames(String catName, String db_name,
String tbl_name, short max_parts) throws MetaException;
/**
* Get a list of partition values as one big struct.
* @param catName catalog name.
* @param db_name database name.
* @param tbl_name table name.
* @param cols partition key columns
* @param applyDistinct whether to apply distinct to the list
* @param filter filter to apply to the partition names
* @param ascending whether to put in ascending order
* @param order whether to order
* @param maxParts maximum number of parts to return, or -1 for all
* @return struct with all of the partition value information
* @throws MetaException error access the RDBMS
*/
PartitionValuesResponse listPartitionValues(String catName, String db_name, String tbl_name,
List cols, boolean applyDistinct, String filter, boolean ascending,
List order, long maxParts) throws MetaException;
/**
* Alter a partition.
* @param catName catalog name.
* @param db_name database name.
* @param tbl_name table name.
* @param part_vals partition values that describe the partition.
* @param new_part new partition object. This should be a complete copy of the old with
* changes values, not just the parts to update.
* @throws InvalidObjectException No such partition.
* @throws MetaException error accessing the RDBMS.
*/
void alterPartition(String catName, String db_name, String tbl_name, List part_vals,
Partition new_part) throws InvalidObjectException, MetaException;
/**
* Alter a set of partitions.
* @param catName catalog name.
* @param db_name database name.
* @param tbl_name table name.
* @param part_vals_list list of list of partition values. Each outer list describes one
* partition (with its list of partition values).
* @param new_parts list of new partitions. The order must match the old partitions described in
* part_vals_list. Each of these should be a complete copy of the new
* partition, not just the pieces to update.
* @throws InvalidObjectException One of the indicated partitions does not exist.
* @throws MetaException error accessing the RDBMS.
*/
void alterPartitions(String catName, String db_name, String tbl_name,
List> part_vals_list, List new_parts)
throws InvalidObjectException, MetaException;
/**
* Get partitions with a filter. This is a portion of the SQL where clause.
* @param catName catalog name
* @param dbName database name
* @param tblName table name
* @param filter SQL where clause filter
* @param maxParts maximum number of partitions to return, or -1 for all.
* @return list of partition objects matching the criteria
* @throws MetaException Error accessing the RDBMS or processing the filter.
* @throws NoSuchObjectException no such table.
*/
List getPartitionsByFilter(
String catName, String dbName, String tblName, String filter, short maxParts)
throws MetaException, NoSuchObjectException;
/**
* Get partitions using an already parsed expression.
* @param catName catalog name.
* @param dbName database name
* @param tblName table name
* @param expr an already parsed Hive expression
* @param defaultPartitionName default name of a partition
* @param maxParts maximum number of partitions to return, or -1 for all
* @param result list to place resulting partitions in
* @return true if the result contains unknown partitions.
* @throws TException error executing the expression
*/
boolean getPartitionsByExpr(String catName, String dbName, String tblName,
byte[] expr, String defaultPartitionName, short maxParts, List result)
throws TException;
/**
* Get the number of partitions that match a provided SQL filter.
* @param catName catalog name.
* @param dbName database name.
* @param tblName table name.
* @param filter filter from Hive's SQL where clause
* @return number of matching partitions.
* @throws MetaException error accessing the RDBMS or executing the filter
* @throws NoSuchObjectException no such table
*/
int getNumPartitionsByFilter(String catName, String dbName, String tblName, String filter)
throws MetaException, NoSuchObjectException;
/**
* Get the number of partitions that match an already parsed expression.
* @param catName catalog name.
* @param dbName database name.
* @param tblName table name.
* @param expr an already parsed Hive expression
* @return number of matching partitions.
* @throws MetaException error accessing the RDBMS or working with the expression.
* @throws NoSuchObjectException no such table.
*/
int getNumPartitionsByExpr(String catName, String dbName, String tblName, byte[] expr)
throws MetaException, NoSuchObjectException;
/**
* Get partitions by name.
* @param catName catalog name.
* @param dbName database name.
* @param tblName table name.
* @param partNames list of partition names. These are names not values, so they will include
* both the key and the value.
* @return list of matching partitions
* @throws MetaException error accessing the RDBMS.
* @throws NoSuchObjectException No such table.
*/
List getPartitionsByNames(String catName, String dbName, String tblName,
List partNames)
throws MetaException, NoSuchObjectException;
Table markPartitionForEvent(String catName, String dbName, String tblName, Map partVals, PartitionEventType evtType) throws MetaException, UnknownTableException, InvalidPartitionException, UnknownPartitionException;
boolean isPartitionMarkedForEvent(String catName, String dbName, String tblName, Map partName, PartitionEventType evtType) throws MetaException, UnknownTableException, InvalidPartitionException, UnknownPartitionException;
boolean addRole(String rowName, String ownerName)
throws InvalidObjectException, MetaException, NoSuchObjectException;
boolean removeRole(String roleName) throws MetaException, NoSuchObjectException;
boolean grantRole(Role role, String userName, PrincipalType principalType,
String grantor, PrincipalType grantorType, boolean grantOption)
throws MetaException, NoSuchObjectException, InvalidObjectException;
boolean revokeRole(Role role, String userName, PrincipalType principalType,
boolean grantOption) throws MetaException, NoSuchObjectException;
PrincipalPrivilegeSet getUserPrivilegeSet(String userName,
List groupNames) throws InvalidObjectException, MetaException;
/**
* Get privileges for a database for a user.
* @param catName catalog name
* @param dbName database name
* @param userName user name
* @param groupNames list of groups the user is in
* @return privileges for that user on indicated database
* @throws InvalidObjectException no such database
* @throws MetaException error accessing the RDBMS
*/
PrincipalPrivilegeSet getDBPrivilegeSet (String catName, String dbName, String userName,
List groupNames) throws InvalidObjectException, MetaException;
/**
* Get privileges for a table for a user.
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @param userName user name
* @param groupNames list of groups the user is in
* @return privileges for that user on indicated table
* @throws InvalidObjectException no such table
* @throws MetaException error accessing the RDBMS
*/
PrincipalPrivilegeSet getTablePrivilegeSet (String catName, String dbName, String tableName,
String userName, List groupNames) throws InvalidObjectException, MetaException;
/**
* Get privileges for a partition for a user.
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @param partition partition name
* @param userName user name
* @param groupNames list of groups the user is in
* @return privileges for that user on indicated partition
* @throws InvalidObjectException no such partition
* @throws MetaException error accessing the RDBMS
*/
PrincipalPrivilegeSet getPartitionPrivilegeSet (String catName, String dbName, String tableName,
String partition, String userName, List groupNames) throws InvalidObjectException, MetaException;
/**
* Get privileges for a column in a table or partition for a user.
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @param partitionName partition name, or null for table level column permissions
* @param columnName column name
* @param userName user name
* @param groupNames list of groups the user is in
* @return privileges for that user on indicated column in the table or partition
* @throws InvalidObjectException no such table, partition, or column
* @throws MetaException error accessing the RDBMS
*/
PrincipalPrivilegeSet getColumnPrivilegeSet (String catName, String dbName, String tableName, String partitionName,
String columnName, String userName, List groupNames) throws InvalidObjectException, MetaException;
List listPrincipalGlobalGrants(String principalName,
PrincipalType principalType);
/**
* For a given principal name and type, list the DB Grants
* @param principalName principal name
* @param principalType type
* @param catName catalog name
* @param dbName database name
* @return list of privileges for that principal on the specified database.
*/
List listPrincipalDBGrants(String principalName,
PrincipalType principalType, String catName, String dbName);
/**
* For a given principal name and type, list the Table Grants
* @param principalName principal name
* @param principalType type
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @return list of privileges for that principal on the specified database.
*/
List listAllTableGrants(
String principalName, PrincipalType principalType, String catName, String dbName,
String tableName);
/**
* For a given principal name and type, list the Table Grants
* @param principalName principal name
* @param principalType type
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @param partName partition name (not value)
* @return list of privileges for that principal on the specified database.
*/
List listPrincipalPartitionGrants(
String principalName, PrincipalType principalType, String catName, String dbName,
String tableName, List partValues, String partName);
/**
* For a given principal name and type, list the Table Grants
* @param principalName principal name
* @param principalType type
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @param columnName column name
* @return list of privileges for that principal on the specified database.
*/
List listPrincipalTableColumnGrants(
String principalName, PrincipalType principalType, String catName, String dbName,
String tableName, String columnName);
/**
* For a given principal name and type, list the Table Grants
* @param principalName principal name
* @param principalType type
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @param partName partition name (not value)
* @param columnName column name
* @return list of privileges for that principal on the specified database.
*/
List listPrincipalPartitionColumnGrants(
String principalName, PrincipalType principalType, String catName, String dbName,
String tableName, List partValues, String partName, String columnName);
boolean grantPrivileges (PrivilegeBag privileges)
throws InvalidObjectException, MetaException, NoSuchObjectException;
boolean revokePrivileges(PrivilegeBag privileges, boolean grantOption)
throws InvalidObjectException, MetaException, NoSuchObjectException;
boolean refreshPrivileges(HiveObjectRef objToRefresh, PrivilegeBag grantPrivileges)
throws InvalidObjectException, MetaException, NoSuchObjectException;
org.apache.hadoop.hive.metastore.api.Role getRole(
String roleName) throws NoSuchObjectException;
List listRoleNames();
List listRoles(String principalName,
PrincipalType principalType);
List listRolesWithGrants(String principalName,
PrincipalType principalType);
/**
* Get the role to principal grant mapping for given role
* @param roleName
* @return
*/
List listRoleMembers(String roleName);
/**
* Fetch a partition along with privilege information for a particular user.
* @param catName catalog name.
* @param dbName database name.
* @param tblName table name.
* @param partVals partition values
* @param user_name user to get privilege information for.
* @param group_names groups to get privilege information for.
* @return a partition
* @throws MetaException error accessing the RDBMS.
* @throws NoSuchObjectException no such partition exists
* @throws InvalidObjectException error fetching privilege information
*/
Partition getPartitionWithAuth(String catName, String dbName, String tblName,
List partVals, String user_name, List group_names)
throws MetaException, NoSuchObjectException, InvalidObjectException;
/**
* Fetch some or all partitions for a table, along with privilege information for a particular
* user.
* @param catName catalog name.
* @param dbName database name.
* @param tblName table name.
* @param maxParts maximum number of partitions to fetch, -1 for all partitions.
* @param userName user to get privilege information for.
* @param groupNames groups to get privilege information for.
* @return list of partitions.
* @throws MetaException error access the RDBMS.
* @throws NoSuchObjectException no such table exists
* @throws InvalidObjectException error fetching privilege information.
*/
List getPartitionsWithAuth(String catName, String dbName,
String tblName, short maxParts, String userName, List groupNames)
throws MetaException, NoSuchObjectException, InvalidObjectException;
/**
* Lists partition names that match a given partial specification
* @param catName catalog name.
* @param db_name
* The name of the database which has the partitions
* @param tbl_name
* The name of the table which has the partitions
* @param part_vals
* A partial list of values for partitions in order of the table's partition keys.
* Entries can be empty if you only want to specify latter partitions.
* @param max_parts
* The maximum number of partitions to return
* @return A list of partition names that match the partial spec.
* @throws MetaException error accessing RDBMS
* @throws NoSuchObjectException No such table exists
*/
List listPartitionNamesPs(String catName, String db_name, String tbl_name,
List part_vals, short max_parts)
throws MetaException, NoSuchObjectException;
/**
* Lists partitions that match a given partial specification and sets their auth privileges.
* If userName and groupNames null, then no auth privileges are set.
* @param catName catalog name.
* @param db_name
* The name of the database which has the partitions
* @param tbl_name
* The name of the table which has the partitions
* @param part_vals
* A partial list of values for partitions in order of the table's partition keys
* Entries can be empty if you need to specify latter partitions.
* @param max_parts
* The maximum number of partitions to return
* @param userName
* The user name for the partition for authentication privileges
* @param groupNames
* The groupNames for the partition for authentication privileges
* @return A list of partitions that match the partial spec.
* @throws MetaException error access RDBMS
* @throws NoSuchObjectException No such table exists
* @throws InvalidObjectException error access privilege information
*/
List listPartitionsPsWithAuth(String catName, String db_name, String tbl_name,
List part_vals, short max_parts, String userName, List groupNames)
throws MetaException, InvalidObjectException, NoSuchObjectException;
/** Persists the given column statistics object to the metastore
* @param colStats object to persist
* @return Boolean indicating the outcome of the operation
* @throws NoSuchObjectException No such table.
* @throws MetaException error accessing the RDBMS.
* @throws InvalidObjectException the stats object is invalid
* @throws InvalidInputException unable to record the stats for the table
*/
boolean updateTableColumnStatistics(ColumnStatistics colStats)
throws NoSuchObjectException, MetaException, InvalidObjectException, InvalidInputException;
/** Persists the given column statistics object to the metastore
* @param statsObj object to persist
* @param partVals partition values to persist the stats for
* @return Boolean indicating the outcome of the operation
* @throws NoSuchObjectException No such table.
* @throws MetaException error accessing the RDBMS.
* @throws InvalidObjectException the stats object is invalid
* @throws InvalidInputException unable to record the stats for the table
*/
boolean updatePartitionColumnStatistics(ColumnStatistics statsObj,
List partVals)
throws NoSuchObjectException, MetaException, InvalidObjectException, InvalidInputException;
/**
* Returns the relevant column statistics for a given column in a given table in a given database
* if such statistics exist.
* @param catName catalog name.
* @param dbName name of the database, defaults to current database
* @param tableName name of the table
* @param colName names of the columns for which statistics is requested
* @return Relevant column statistics for the column for the given table
* @throws NoSuchObjectException No such table
* @throws MetaException error accessing the RDBMS
*
*/
ColumnStatistics getTableColumnStatistics(String catName, String dbName, String tableName,
List colName) throws MetaException, NoSuchObjectException;
/**
* Get statistics for a partition for a set of columns.
* @param catName catalog name.
* @param dbName database name.
* @param tblName table name.
* @param partNames list of partition names. These are names so must be key1=val1[/key2=val2...]
* @param colNames list of columns to get stats for
* @return list of statistics objects
* @throws MetaException error accessing the RDBMS
* @throws NoSuchObjectException no such partition.
*/
List getPartitionColumnStatistics(
String catName, String dbName, String tblName, List partNames, List colNames)
throws MetaException, NoSuchObjectException;
/**
* Deletes column statistics if present associated with a given db, table, partition and col. If
* null is passed instead of a colName, stats when present for all columns associated
* with a given db, table and partition are deleted.
* @param catName catalog name.
* @param dbName database name.
* @param tableName table name.
* @param partName partition name.
* @param partVals partition values.
* @param colName column name.
* @return Boolean indicating the outcome of the operation
* @throws NoSuchObjectException no such partition
* @throws MetaException error access the RDBMS
* @throws InvalidObjectException error dropping the stats
* @throws InvalidInputException bad input, such as null table or database name.
*/
boolean deletePartitionColumnStatistics(String catName, String dbName, String tableName,
String partName, List partVals, String colName)
throws NoSuchObjectException, MetaException, InvalidObjectException, InvalidInputException;
/**
* Delete statistics for a single column or all columns in a table.
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @param colName column name. Null to delete stats for all columns in the table.
* @return true if the statistics were deleted.
* @throws NoSuchObjectException no such table or column.
* @throws MetaException error access the RDBMS.
* @throws InvalidObjectException error dropping the stats
* @throws InvalidInputException bad inputs, such as null table name.
*/
boolean deleteTableColumnStatistics(String catName, String dbName, String tableName,
String colName)
throws NoSuchObjectException, MetaException, InvalidObjectException, InvalidInputException;
long cleanupEvents();
boolean addToken(String tokenIdentifier, String delegationToken);
boolean removeToken(String tokenIdentifier);
String getToken(String tokenIdentifier);
List getAllTokenIdentifiers();
int addMasterKey(String key) throws MetaException;
void updateMasterKey(Integer seqNo, String key)
throws NoSuchObjectException, MetaException;
boolean removeMasterKey(Integer keySeq);
String[] getMasterKeys();
void verifySchema() throws MetaException;
String getMetaStoreSchemaVersion() throws MetaException;
abstract void setMetaStoreSchemaVersion(String version, String comment) throws MetaException;
/**
* Drop a list of partitions.
* @param catName catalog name.
* @param dbName database name.
* @param tblName table name
* @param partNames list of partition names.
* @throws MetaException error access RDBMS or storage.
* @throws NoSuchObjectException One or more of the partitions does not exist.
*/
void dropPartitions(String catName, String dbName, String tblName, List partNames)
throws MetaException, NoSuchObjectException;
/**
* List all DB grants for a given principal.
* @param principalName principal name
* @param principalType type
* @return all DB grants for this principal
*/
List listPrincipalDBGrantsAll(
String principalName, PrincipalType principalType);
/**
* List all Table grants for a given principal
* @param principalName principal name
* @param principalType type
* @return all Table grants for this principal
*/
List listPrincipalTableGrantsAll(
String principalName, PrincipalType principalType);
/**
* List all Partition grants for a given principal
* @param principalName principal name
* @param principalType type
* @return all Partition grants for this principal
*/
List listPrincipalPartitionGrantsAll(
String principalName, PrincipalType principalType);
/**
* List all Table column grants for a given principal
* @param principalName principal name
* @param principalType type
* @return all Table column grants for this principal
*/
List listPrincipalTableColumnGrantsAll(
String principalName, PrincipalType principalType);
/**
* List all Partition column grants for a given principal
* @param principalName principal name
* @param principalType type
* @return all Partition column grants for this principal
*/
List listPrincipalPartitionColumnGrantsAll(
String principalName, PrincipalType principalType);
List listGlobalGrantsAll();
/**
* Find all the privileges for a given database.
* @param catName catalog name
* @param dbName database name
* @return list of all privileges.
*/
List listDBGrantsAll(String catName, String dbName);
/**
* Find all of the privileges for a given column in a given partition.
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @param partitionName partition name (not value)
* @param columnName column name
* @return all privileges on this column in this partition
*/
List listPartitionColumnGrantsAll(
String catName, String dbName, String tableName, String partitionName, String columnName);
/**
* Find all of the privileges for a given table
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @return all privileges on this table
*/
List listTableGrantsAll(String catName, String dbName, String tableName);
/**
* Find all of the privileges for a given partition.
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @param partitionName partition name (not value)
* @return all privileges on this partition
*/
List listPartitionGrantsAll(
String catName, String dbName, String tableName, String partitionName);
/**
* Find all of the privileges for a given column in a given table.
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @param columnName column name
* @return all privileges on this column in this table
*/
List listTableColumnGrantsAll(
String catName, String dbName, String tableName, String columnName);
/**
* Register a user-defined function based on the function specification passed in.
* @param func function to create
* @throws InvalidObjectException incorrectly specified function
* @throws MetaException error accessing the RDBMS
*/
void createFunction(Function func)
throws InvalidObjectException, MetaException;
/**
* Alter function based on new function specs.
* @param dbName database name
* @param funcName function name
* @param newFunction new function specification
* @throws InvalidObjectException no such function, or incorrectly specified new function
* @throws MetaException incorrectly specified function
*/
void alterFunction(String catName, String dbName, String funcName, Function newFunction)
throws InvalidObjectException, MetaException;
/**
* Drop a function definition.
* @param dbName database name
* @param funcName function name
* @throws MetaException incorrectly specified function
* @throws NoSuchObjectException no such function
* @throws InvalidObjectException not sure when this is thrown
* @throws InvalidInputException not sure when this is thrown
*/
void dropFunction(String catName, String dbName, String funcName)
throws MetaException, NoSuchObjectException, InvalidObjectException, InvalidInputException;
/**
* Retrieve function by name.
* @param dbName database name
* @param funcName function name
* @return the function
* @throws MetaException incorrectly specified function
*/
Function getFunction(String catName, String dbName, String funcName) throws MetaException;
/**
* Retrieve all functions.
* @return all functions in a catalog
* @throws MetaException incorrectly specified function
*/
List getAllFunctions(String catName) throws MetaException;
/**
* Retrieve list of function names based on name pattern.
* @param dbName database name
* @param pattern pattern to match
* @return functions that match the pattern
* @throws MetaException incorrectly specified function
*/
List getFunctions(String catName, String dbName, String pattern) throws MetaException;
/**
* Get aggregated stats for a table or partition(s).
* @param catName catalog name.
* @param dbName database name.
* @param tblName table name.
* @param partNames list of partition names. These are the names of the partitions, not
* values.
* @param colNames list of column names
* @return aggregated stats
* @throws MetaException error accessing RDBMS
* @throws NoSuchObjectException no such table or partition
*/
AggrStats get_aggr_stats_for(String catName, String dbName, String tblName,
List partNames, List colNames) throws MetaException, NoSuchObjectException;
/**
* Get column stats for all partitions of all tables in the database
* @param catName catalog name
* @param dbName database name
* @return List of column stats objects for all partitions of all tables in the database
* @throws MetaException error accessing RDBMS
* @throws NoSuchObjectException no such database
*/
List getPartitionColStatsForDatabase(String catName, String dbName)
throws MetaException, NoSuchObjectException;
/**
* Get the next notification event.
* @param rqst Request containing information on the last processed notification.
* @return list of notifications, sorted by eventId
*/
NotificationEventResponse getNextNotification(NotificationEventRequest rqst);
/**
* Add a notification entry. This should only be called from inside the metastore
* @param event the notification to add
*/
void addNotificationEvent(NotificationEvent event);
/**
* Remove older notification events.
* @param olderThan Remove any events older than a given number of seconds
*/
void cleanNotificationEvents(int olderThan);
/**
* Get the last issued notification event id. This is intended for use by the export command
* so that users can determine the state of the system at the point of the export,
* and determine which notification events happened before or after the export.
* @return
*/
CurrentNotificationEventId getCurrentNotificationEventId();
/**
* Get the number of events corresponding to given database with fromEventId.
* This is intended for use by the repl commands to track the progress of incremental dump.
* @return
*/
NotificationEventsCountResponse getNotificationEventsCount(NotificationEventsCountRequest rqst);
/*
* Flush any catalog objects held by the metastore implementation. Note that this does not
* flush statistics objects. This should be called at the beginning of each query.
*/
void flushCache();
/**
* @param fileIds List of file IDs from the filesystem.
* @return File metadata buffers from file metadata cache. The array is fileIds-sized, and
* the entries (or nulls, if metadata is not in cache) correspond to fileIds in the list
*/
ByteBuffer[] getFileMetadata(List fileIds) throws MetaException;
/**
* @param fileIds List of file IDs from the filesystem.
* @param metadata Metadata buffers corresponding to fileIds in the list.
* @param type The type; determines the class that can do additiona processing for metadata.
*/
void putFileMetadata(List fileIds, List metadata,
FileMetadataExprType type) throws MetaException;
/**
* @return Whether file metadata cache is supported by this implementation.
*/
boolean isFileMetadataSupported();
/**
* Gets file metadata from cache after applying a format-specific expression that can
* produce additional information based on file metadata and also filter the file list.
* @param fileIds List of file IDs from the filesystem.
* @param expr Format-specific serialized expression applicable to the files' metadatas.
* @param type Expression type; used to determine the class that handles the metadata.
* @param metadatas Output parameter; fileIds-sized array to receive the metadatas
* for corresponding files, if any.
* @param exprResults Output parameter; fileIds-sized array to receive the format-specific
* expression results for the corresponding files.
* @param eliminated Output parameter; fileIds-sized array to receive the indication of whether
* the corresponding files are entirely eliminated by the expression.
*/
void getFileMetadataByExpr(List fileIds, FileMetadataExprType type, byte[] expr,
ByteBuffer[] metadatas, ByteBuffer[] exprResults, boolean[] eliminated)
throws MetaException;
/** Gets file metadata handler for the corresponding type. */
FileMetadataHandler getFileMetadataHandler(FileMetadataExprType type);
/**
* Gets total number of tables.
*/
@InterfaceStability.Evolving
int getTableCount() throws MetaException;
/**
* Gets total number of partitions.
*/
@InterfaceStability.Evolving
int getPartitionCount() throws MetaException;
/**
* Gets total number of databases.
*/
@InterfaceStability.Evolving
int getDatabaseCount() throws MetaException;
/**
* Get the primary associated with a table. Strangely enough each SQLPrimaryKey is actually a
* column in they key, not the key itself. Thus the list.
* @param catName catalog name
* @param db_name database name
* @param tbl_name table name
* @return list of primary key columns or an empty list if the table does not have a primary key
* @throws MetaException error accessing the RDBMS
*/
List getPrimaryKeys(String catName, String db_name, String tbl_name)
throws MetaException;
/**
* Get the foreign keys for a table. All foreign keys for a particular table can be fetched by
* passing null for the last two arguments.
* @param catName catalog name.
* @param parent_db_name Database the table referred to is in. This can be null to match all
* databases.
* @param parent_tbl_name Table that is referred to. This can be null to match all tables.
* @param foreign_db_name Database the table with the foreign key is in.
* @param foreign_tbl_name Table with the foreign key.
* @return List of all matching foreign key columns. Note that if more than one foreign key
* matches the arguments the results here will be all mixed together into a single list.
* @throws MetaException error access the RDBMS.
*/
List getForeignKeys(String catName, String parent_db_name,
String parent_tbl_name, String foreign_db_name, String foreign_tbl_name)
throws MetaException;
/**
* Get unique constraints associated with a table.
* @param catName catalog name.
* @param db_name database name.
* @param tbl_name table name.
* @return list of unique constraints
* @throws MetaException error access the RDBMS.
*/
List getUniqueConstraints(String catName, String db_name,
String tbl_name) throws MetaException;
/**
* Get not null constraints on a table.
* @param catName catalog name.
* @param db_name database name.
* @param tbl_name table name.
* @return list of not null constraints
* @throws MetaException error accessing the RDBMS.
*/
List getNotNullConstraints(String catName, String db_name,
String tbl_name) throws MetaException;
/**
* Get default values for columns in a table.
* @param catName catalog name
* @param db_name database name
* @param tbl_name table name
* @return list of default values defined on the table.
* @throws MetaException error accessing the RDBMS
*/
List getDefaultConstraints(String catName, String db_name,
String tbl_name) throws MetaException;
/**
* Get check constraints for columns in a table.
* @param catName catalog name.
* @param db_name database name
* @param tbl_name table name
* @return ccheck constraints for this table
* @throws MetaException error accessing the RDBMS
*/
List getCheckConstraints(String catName, String db_name,
String tbl_name) throws MetaException;
/**
* Create a table with constraints
* @param tbl table definition
* @param primaryKeys primary key definition, or null
* @param foreignKeys foreign key definition, or null
* @param uniqueConstraints unique constraints definition, or null
* @param notNullConstraints not null constraints definition, or null
* @param defaultConstraints default values definition, or null
* @return list of constraint names
* @throws InvalidObjectException one of the provided objects is malformed.
* @throws MetaException error accessing the RDBMS
*/
List createTableWithConstraints(Table tbl, List primaryKeys,
List foreignKeys, List uniqueConstraints,
List notNullConstraints,
List defaultConstraints,
List checkConstraints) throws InvalidObjectException, MetaException;
/**
* Drop a constraint, any constraint. I have no idea why add and get each have separate
* methods for each constraint type but drop has only one.
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @param constraintName name of the constraint
* @throws NoSuchObjectException no constraint of this name exists
*/
default void dropConstraint(String catName, String dbName, String tableName,
String constraintName) throws NoSuchObjectException {
dropConstraint(catName, dbName, tableName, constraintName, false);
}
/**
* Drop a constraint, any constraint. I have no idea why add and get each have separate
* methods for each constraint type but drop has only one.
* @param catName catalog name
* @param dbName database name
* @param tableName table name
* @param constraintName name of the constraint
* @param missingOk if true, it is not an error if there is no constraint of this name. If
* false and there is no constraint of this name an exception will be thrown.
* @throws NoSuchObjectException no constraint of this name exists and missingOk = false
*/
void dropConstraint(String catName, String dbName, String tableName, String constraintName,
boolean missingOk) throws NoSuchObjectException;
/**
* Add a primary key to a table.
* @param pks Columns in the primary key.
* @return the name of the constraint, as a list of strings.
* @throws InvalidObjectException The SQLPrimaryKeys list is malformed
* @throws MetaException error accessing the RDMBS
*/
List addPrimaryKeys(List pks) throws InvalidObjectException, MetaException;
/**
* Add a foreign key to a table.
* @param fks foreign key specification
* @return foreign key name.
* @throws InvalidObjectException the specification is malformed.
* @throws MetaException error accessing the RDBMS.
*/
List addForeignKeys(List fks) throws InvalidObjectException, MetaException;
/**
* Add unique constraints to a table.
* @param uks unique constraints specification
* @return unique constraint names.
* @throws InvalidObjectException the specification is malformed.
* @throws MetaException error accessing the RDBMS.
*/
List addUniqueConstraints(List uks) throws InvalidObjectException, MetaException;
/**
* Add not null constraints to a table.
* @param nns not null constraint specifications
* @return constraint names.
* @throws InvalidObjectException the specification is malformed.
* @throws MetaException error accessing the RDBMS.
*/
List addNotNullConstraints(List nns) throws InvalidObjectException, MetaException;
/**
* Add default values to a table definition
* @param dv list of default values
* @return constraint names
* @throws InvalidObjectException the specification is malformed.
* @throws MetaException error accessing the RDBMS.
*/
List addDefaultConstraints(List dv)
throws InvalidObjectException, MetaException;
/**
* Add check constraints to a table
* @param cc check constraints to add
* @return list of constraint names
* @throws InvalidObjectException the specification is malformed
* @throws MetaException error accessing the RDBMS
*/
List addCheckConstraints(List cc) throws InvalidObjectException, MetaException;
/**
* Gets the unique id of the backing datastore for the metadata
* @return
* @throws MetaException
*/
String getMetastoreDbUuid() throws MetaException;
void createResourcePlan(WMResourcePlan resourcePlan, String copyFrom, int defaultPoolSize)
throws AlreadyExistsException, MetaException, InvalidObjectException, NoSuchObjectException;
WMFullResourcePlan getResourcePlan(String name) throws NoSuchObjectException, MetaException;
List getAllResourcePlans() throws MetaException;
WMFullResourcePlan alterResourcePlan(String name, WMNullableResourcePlan resourcePlan,
boolean canActivateDisabled, boolean canDeactivate, boolean isReplace)
throws AlreadyExistsException, NoSuchObjectException, InvalidOperationException,
MetaException;
WMFullResourcePlan getActiveResourcePlan() throws MetaException;
WMValidateResourcePlanResponse validateResourcePlan(String name)
throws NoSuchObjectException, InvalidObjectException, MetaException;
void dropResourcePlan(String name) throws NoSuchObjectException, MetaException;
void createWMTrigger(WMTrigger trigger)
throws AlreadyExistsException, NoSuchObjectException, InvalidOperationException,
MetaException;
void alterWMTrigger(WMTrigger trigger)
throws NoSuchObjectException, InvalidOperationException, MetaException;
void dropWMTrigger(String resourcePlanName, String triggerName)
throws NoSuchObjectException, InvalidOperationException, MetaException;
List getTriggersForResourcePlan(String resourcePlanName)
throws NoSuchObjectException, MetaException;
void createPool(WMPool pool) throws AlreadyExistsException, NoSuchObjectException,
InvalidOperationException, MetaException;
void alterPool(WMNullablePool pool, String poolPath) throws AlreadyExistsException,
NoSuchObjectException, InvalidOperationException, MetaException;
void dropWMPool(String resourcePlanName, String poolPath)
throws NoSuchObjectException, InvalidOperationException, MetaException;
void createOrUpdateWMMapping(WMMapping mapping, boolean update)
throws AlreadyExistsException, NoSuchObjectException, InvalidOperationException,
MetaException;
void dropWMMapping(WMMapping mapping)
throws NoSuchObjectException, InvalidOperationException, MetaException;
void createWMTriggerToPoolMapping(String resourcePlanName, String triggerName, String poolPath)
throws AlreadyExistsException, NoSuchObjectException, InvalidOperationException,
MetaException;
void dropWMTriggerToPoolMapping(String resourcePlanName, String triggerName, String poolPath)
throws NoSuchObjectException, InvalidOperationException, MetaException;
/**
* Create a new ISchema.
* @param schema schema to create
* @throws AlreadyExistsException there's already a schema with this name
* @throws MetaException general database exception
*/
void createISchema(ISchema schema) throws AlreadyExistsException, MetaException,
NoSuchObjectException;
/**
* Alter an existing ISchema. This assumes the caller has already checked that such a schema
* exists.
* @param schemaName name of the schema
* @param newSchema new schema object
* @throws NoSuchObjectException no function with this name exists
* @throws MetaException general database exception
*/
void alterISchema(ISchemaName schemaName, ISchema newSchema) throws NoSuchObjectException, MetaException;
/**
* Get an ISchema by name.
* @param schemaName schema descriptor
* @return ISchema
* @throws MetaException general database exception
*/
ISchema getISchema(ISchemaName schemaName) throws MetaException;
/**
* Drop an ISchema. This does not check whether there are valid versions of the schema in
* existence, it assumes the caller has already done that.
* @param schemaName schema descriptor
* @throws NoSuchObjectException no schema of this name exists
* @throws MetaException general database exception
*/
void dropISchema(ISchemaName schemaName) throws NoSuchObjectException, MetaException;
/**
* Create a new version of an existing schema.
* @param schemaVersion version number
* @throws AlreadyExistsException a version of the schema with the same version number already
* exists.
* @throws InvalidObjectException the passed in SchemaVersion object has problems.
* @throws NoSuchObjectException no schema with the passed in name exists.
* @throws MetaException general database exception
*/
void addSchemaVersion(SchemaVersion schemaVersion)
throws AlreadyExistsException, InvalidObjectException, NoSuchObjectException, MetaException;
/**
* Alter a schema version. Note that the Thrift interface only supports changing the serde
* mapping and states. This method does not guarantee it will check anymore than that. This
* method does not understand the state transitions and just assumes that the new state it is
* passed is reasonable.
* @param version version descriptor for the schema
* @param newVersion altered SchemaVersion
* @throws NoSuchObjectException no such version of the named schema exists
* @throws MetaException general database exception
*/
void alterSchemaVersion(SchemaVersionDescriptor version, SchemaVersion newVersion)
throws NoSuchObjectException, MetaException;
/**
* Get a specific schema version.
* @param version version descriptor for the schema
* @return the SchemaVersion
* @throws MetaException general database exception
*/
SchemaVersion getSchemaVersion(SchemaVersionDescriptor version) throws MetaException;
/**
* Get the latest version of a schema.
* @param schemaName name of the schema
* @return latest version of the schema
* @throws MetaException general database exception
*/
SchemaVersion getLatestSchemaVersion(ISchemaName schemaName) throws MetaException;
/**
* Get all of the versions of a schema
* @param schemaName name of the schema
* @return all versions of the schema
* @throws MetaException general database exception
*/
List getAllSchemaVersion(ISchemaName schemaName) throws MetaException;
/**
* Find all SchemaVersion objects that match a query. The query will select all SchemaVersions
* that are equal to all of the non-null passed in arguments. That is, if arguments
* colName='name', colNamespace=null, type='string' are passed in, then all schemas that have
* a column with colName 'name' and type 'string' will be returned.
* @param colName column name. Null is ok, which will cause this field to not be used in the
* query.
* @param colNamespace column namespace. Null is ok, which will cause this field to not be
* used in the query.
* @param type column type. Null is ok, which will cause this field to not be used in the
* query.
* @return List of all SchemaVersions that match. Note that there is no expectation that these
* SchemaVersions derive from the same ISchema. The list will be empty if there are no
* matching SchemaVersions.
* @throws MetaException general database exception
*/
List getSchemaVersionsByColumns(String colName, String colNamespace, String type)
throws MetaException;
/**
* Drop a version of the schema.
* @param version version descriptor for the schema
* @throws NoSuchObjectException no such version of the named schema exists
* @throws MetaException general database exception
*/
void dropSchemaVersion(SchemaVersionDescriptor version) throws NoSuchObjectException, MetaException;
/**
* Get serde information
* @param serDeName name of the SerDe
* @return the SerDe, or null if there is no such serde
* @throws NoSuchObjectException no serde with this name exists
* @throws MetaException general database exception
*/
SerDeInfo getSerDeInfo(String serDeName) throws NoSuchObjectException, MetaException;
/**
* Add a serde
* @param serde serde to add
* @throws AlreadyExistsException a serde of this name already exists
* @throws MetaException general database exception
*/
void addSerde(SerDeInfo serde) throws AlreadyExistsException, MetaException;
/** Adds a RuntimeStat for persistence. */
void addRuntimeStat(RuntimeStat stat) throws MetaException;
/** Reads runtime statistic entries. */
List getRuntimeStats(int maxEntries, int maxCreateTime) throws MetaException;
/** Removes outdated statistics. */
int deleteRuntimeStats(int maxRetainSecs) throws MetaException;
}
