blob: cd84f6a14092f3d16ee8b66816a52a60b9d7d16f [file] [log] [blame]
// 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.doris.common.proc;
import org.apache.doris.catalog.Column;
import org.apache.doris.catalog.Database;
import org.apache.doris.catalog.MaterializedIndexMeta;
import org.apache.doris.catalog.OlapTable;
import org.apache.doris.catalog.Table;
import org.apache.doris.catalog.Table.TableType;
import org.apache.doris.common.AnalysisException;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import java.util.List;
import java.util.Set;
/*
* SHOW PROC /dbs/dbId/tableId/index_schema
* show indexNames(to schema)
*/
public class IndexInfoProcDir implements ProcDirInterface {
public static final ImmutableList<String> TITLE_NAMES = new ImmutableList.Builder<String>()
.add("IndexId").add("IndexName").add("SchemaVersion").add("SchemaHash")
.add("ShortKeyColumnCount").add("StorageType").add("Keys")
.build();
private Database db;
private Table table;
public IndexInfoProcDir(Database db, Table table) {
this.db = db;
this.table = table;
}
@Override
public ProcResult fetchResult() throws AnalysisException {
Preconditions.checkNotNull(db);
Preconditions.checkNotNull(table);
BaseProcResult result = new BaseProcResult();
result.setNames(TITLE_NAMES);
db.readLock();
try {
if (table.getType() == TableType.OLAP) {
OlapTable olapTable = (OlapTable) table;
// indices order
List<Long> indices = Lists.newArrayList();
indices.add(olapTable.getBaseIndexId());
indices.addAll(olapTable.getIndexIdListExceptBaseIndex());
for (long indexId : indices) {
MaterializedIndexMeta indexMeta = olapTable.getIndexIdToMeta().get(indexId);
String type = olapTable.getKeysType().name();
StringBuilder builder = new StringBuilder();
builder.append(type).append("(");
List<String> columnNames = Lists.newArrayList();
List<Column> columns = olapTable.getSchemaByIndexId(indexId);
for (Column column : columns) {
if (column.isKey()) {
columnNames.add(column.getName());
}
}
builder.append(Joiner.on(", ").join(columnNames)).append(")");
result.addRow(Lists.newArrayList(String.valueOf(indexId),
olapTable.getIndexNameById(indexId),
String.valueOf(indexMeta.getSchemaVersion()),
String.valueOf(indexMeta.getSchemaHash()),
String.valueOf(indexMeta.getShortKeyColumnCount()),
indexMeta.getStorageType().name(),
builder.toString()));
}
} else {
result.addRow(Lists.newArrayList("-1", table.getName(), "", "", "", "", ""));
}
return result;
} finally {
db.readUnlock();
}
}
@Override
public boolean register(String name, ProcNodeInterface node) {
return false;
}
@Override
public ProcNodeInterface lookup(String idxIdStr) throws AnalysisException {
Preconditions.checkNotNull(db);
Preconditions.checkNotNull(table);
long idxId;
try {
idxId = Long.valueOf(idxIdStr);
} catch (NumberFormatException e) {
throw new AnalysisException("Invalid index id format: " + idxIdStr);
}
db.readLock();
try {
List<Column> schema = null;
Set<String> bfColumns = null;
if (table.getType() == TableType.OLAP) {
OlapTable olapTable = (OlapTable) table;
schema = olapTable.getSchemaByIndexId(idxId);
if (schema == null) {
throw new AnalysisException("Index " + idxId + " does not exist");
}
bfColumns = olapTable.getCopiedBfColumns();
} else {
schema = table.getBaseSchema();
}
return new IndexSchemaProcNode(schema, bfColumns);
} finally {
db.readUnlock();
}
}
}