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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.metadata.formatting;
import java.io.DataOutputStream;
import java.io.OutputStream;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.metastore.api.ColumnStatisticsObj;
import org.apache.hadoop.hive.metastore.api.FieldSchema;
import org.apache.hadoop.hive.ql.metadata.Hive;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.metadata.Partition;
import org.apache.hadoop.hive.ql.metadata.Table;
/**
* Interface to format table and index information. We can format it
* for human readability (lines of text) or for machine readability
* (json).
*/
public interface MetaDataFormatter {
/**
* Write an error message.
* @param sqlState if {@code null}, will be ignored
*/
public void error(OutputStream out, String msg, int errorCode, String sqlState)
throws HiveException;
/**
* @param sqlState if {@code null}, will be skipped in output
* @param errorDetail usually string version of some Exception, if {@code null}, will be ignored
*/
public void error(OutputStream out, String errorMessage, int errorCode, String sqlState, String errorDetail)
throws HiveException;
/**
* Show a list of tables.
*/
public void showTables(DataOutputStream out, Set tables)
throws HiveException;
/**
* Describe table.
* @param out
* @param colPath
* @param tableName
* @param tbl
* @param part
* @param cols
* @param isFormatted - describe with formatted keyword
* @param isExt
* @param isPretty
* @param isOutputPadded - if true, add spacing and indentation
* @param colStats
* @throws HiveException
*/
public void describeTable(DataOutputStream out, String colPath,
String tableName, Table tbl, Partition part, List cols,
boolean isFormatted, boolean isExt, boolean isPretty,
boolean isOutputPadded, List colStats)
throws HiveException;
/**
* Show the table status.
*/
public void showTableStatus(DataOutputStream out,
Hive db,
HiveConf conf,
List
tbls,
Map part,
Partition par)
throws HiveException;
/**
* Show the table partitions.
*/
public void showTablePartitons(DataOutputStream out,
List parts)
throws HiveException;
/**
* Show the databases
*/
public void showDatabases(DataOutputStream out, List databases)
throws HiveException;
/**
* Describe a database.
*/
public void showDatabaseDescription (DataOutputStream out, String database, String comment,
String location, String ownerName, String ownerType, Map params)
throws HiveException;
}
