xy720 commented on code in PR #18805: URL: https://github.com/apache/doris/pull/18805#discussion_r1184861438
########## fe/fe-core/src/main/java/org/apache/doris/analysis/CleanQueryStatsStmt.java: ########## @@ -0,0 +1,149 @@ +// 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.analysis; + +import org.apache.doris.catalog.DatabaseIf; +import org.apache.doris.catalog.Env; +import org.apache.doris.cluster.ClusterNamespace; +import org.apache.doris.common.ErrorCode; +import org.apache.doris.common.ErrorReport; +import org.apache.doris.common.UserException; +import org.apache.doris.mysql.privilege.PrivPredicate; +import org.apache.doris.qe.ConnectContext; +import org.apache.doris.system.SystemInfoService; + +import org.apache.commons.lang3.StringUtils; + +/** + * CLEAN ALL QUERY STATS; + * CLEAN DATABASE QUERY STATS FROM db; + * CLEAN TABLE QUERY STATS FROM db.table; + */ +public class CleanQueryStatsStmt extends DdlStmt { + private String dbName; + private TableName tableName; + private Scope scope; + + /** + * CLEAN DATABASE QUERY STATS FROM db; + */ + public CleanQueryStatsStmt(String dbName, Scope scope) { + this.dbName = dbName; + this.tableName = null; + this.scope = scope; + } + + /** + * CLEAN TABLE QUERY STATS FROM db.table; + */ + public CleanQueryStatsStmt(TableName tableName, Scope scope) { + this.dbName = null; + this.tableName = tableName; + this.scope = scope; + } + + public CleanQueryStatsStmt() { + this.scope = Scope.ALL; + this.tableName = null; + this.dbName = null; + } + + public String getDbName() { + return dbName; + } + + public TableName getTableName() { + return tableName; + } + + public Scope getScope() { + return scope; + } + + @Override + public void analyze(Analyzer analyzer) throws UserException { + super.analyze(analyzer); + switch (scope) { + case ALL: + if (!Env.getCurrentEnv().getAccessManager() + .checkGlobalPriv(ConnectContext.get(), PrivPredicate.ADMIN)) { + ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR, + "CLEAN ALL QUERY STATS"); + } + break; + case DB: + if (StringUtils.isEmpty(dbName)) { + dbName = analyzer.getDefaultDb(); + } + if (StringUtils.isEmpty(dbName)) { + ErrorReport.reportAnalysisException(ErrorCode.ERR_NO_DB_ERROR); + } + dbName = ClusterNamespace.getFullName(SystemInfoService.DEFAULT_CLUSTER, dbName); + + Env.getCurrentEnv().getCurrentCatalog().getDbOrAnalysisException(dbName); + if (!Env.getCurrentEnv().getAccessManager() + .checkDbPriv(ConnectContext.get(), dbName, PrivPredicate.ALTER)) { + ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR, + "CLEAN DATABASE QUERY STATS FOR " + ClusterNamespace.getNameFromFullName(dbName)); + } + break; + case TABLE: + tableName.analyze(analyzer); + dbName = tableName.getDb(); + if (StringUtils.isEmpty(dbName)) { + ErrorReport.reportAnalysisException(ErrorCode.ERR_NO_DB_ERROR); + } + DatabaseIf db = Env.getCurrentEnv().getCurrentCatalog().getDbOrAnalysisException(dbName); + db.getTableOrAnalysisException(tableName.getTbl()); + if (!Env.getCurrentEnv().getAccessManager() + .checkTblPriv(ConnectContext.get(), dbName, tableName.getTbl(), PrivPredicate.ALTER)) { + ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR, + "CLEAN TABLE QUERY STATS FROM " + tableName); + } + break; + default: + throw new IllegalStateException("Unexpected value: " + scope); + } + } + + @Override + public String toSql() { + switch (scope) { + case ALL: + return "CLEAN ALL QUERY STATS"; + case DB: + return "CLEAN DATABASE QUERY STATS FOR " + dbName; + case TABLE: + return "CLEAN TABLE QUERY STATS FROM " + tableName; + default: + throw new IllegalStateException("Unexpected value: " + scope); + } + } + + @Override + public RedirectStatus getRedirectStatus() { + return RedirectStatus.NO_FORWARD; Review Comment: it may caused the HitCount of every FE to be different? -- This is an automated message from the Apache Git Service. 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