| // 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(); |
| } |
| } |
| |
| } |