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[feat](Nereids) support refresh database command (#44298)
Issue Number: close ##42579
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149 changes: 149 additions & 0 deletions
149
...in/java/org/apache/doris/nereids/trees/plans/commands/refresh/RefreshDatabaseCommand.java
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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. | ||
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| package org.apache.doris.nereids.trees.plans.commands.refresh; | ||
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| import org.apache.doris.analysis.StmtType; | ||
| import org.apache.doris.catalog.DatabaseIf; | ||
| import org.apache.doris.catalog.Env; | ||
| import org.apache.doris.catalog.InfoSchemaDb; | ||
| import org.apache.doris.catalog.MysqlDb; | ||
| import org.apache.doris.common.AnalysisException; | ||
| import org.apache.doris.common.DdlException; | ||
| import org.apache.doris.common.ErrorCode; | ||
| import org.apache.doris.common.ErrorReport; | ||
| import org.apache.doris.datasource.CatalogIf; | ||
| import org.apache.doris.datasource.ExternalCatalog; | ||
| import org.apache.doris.datasource.ExternalDatabase; | ||
| import org.apache.doris.datasource.ExternalObjectLog; | ||
| import org.apache.doris.mysql.privilege.PrivPredicate; | ||
| import org.apache.doris.nereids.trees.plans.PlanType; | ||
| import org.apache.doris.nereids.trees.plans.commands.Command; | ||
| import org.apache.doris.nereids.trees.plans.commands.ForwardWithSync; | ||
| import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor; | ||
| import org.apache.doris.qe.ConnectContext; | ||
| import org.apache.doris.qe.StmtExecutor; | ||
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| import com.google.common.base.Strings; | ||
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| import java.util.Map; | ||
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| /** | ||
| * Refresh database. | ||
| */ | ||
| public class RefreshDatabaseCommand extends Command implements ForwardWithSync { | ||
| private static final String INVALID_CACHE = "invalid_cache"; | ||
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| private String catalogName; | ||
| private String dbName; | ||
| private Map<String, String> properties; | ||
| private boolean invalidCache = false; | ||
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| public RefreshDatabaseCommand(String dbName, Map<String, String> properties) { | ||
| super(PlanType.REFRESH_DATABASE_COMMAND); | ||
| this.dbName = dbName; | ||
| this.properties = properties; | ||
| } | ||
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| public RefreshDatabaseCommand(String catalogName, String dbName, Map<String, String> properties) { | ||
| super(PlanType.REFRESH_DATABASE_COMMAND); | ||
| this.catalogName = catalogName; | ||
| this.dbName = dbName; | ||
| this.properties = properties; | ||
| } | ||
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| private void validate(ConnectContext ctx) throws AnalysisException { | ||
| if (Strings.isNullOrEmpty(catalogName)) { | ||
| catalogName = ConnectContext.get().getCurrentCatalog().getName(); | ||
| } | ||
| if (Strings.isNullOrEmpty(dbName)) { | ||
| ErrorReport.reportAnalysisException(ErrorCode.ERR_WRONG_DB_NAME, dbName); | ||
| } | ||
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| // Don't allow dropping 'information_schema' database | ||
| if (dbName.equalsIgnoreCase(InfoSchemaDb.DATABASE_NAME)) { | ||
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| ErrorReport.reportAnalysisException( | ||
| ErrorCode.ERR_DBACCESS_DENIED_ERROR, ctx.getQualifiedUser(), dbName); | ||
| } | ||
| // Don't allow dropping 'mysql' database | ||
| if (dbName.equalsIgnoreCase(MysqlDb.DATABASE_NAME)) { | ||
| ErrorReport.reportAnalysisException( | ||
| ErrorCode.ERR_DBACCESS_DENIED_ERROR, ctx.getQualifiedUser(), dbName); | ||
| } | ||
| // check access | ||
| if (!Env.getCurrentEnv().getAccessManager().checkDbPriv(ConnectContext.get(), catalogName, | ||
| dbName, PrivPredicate.SHOW)) { | ||
| ErrorReport.reportAnalysisException(ErrorCode.ERR_DB_ACCESS_DENIED_ERROR, | ||
| PrivPredicate.SHOW.getPrivs().toString(), dbName); | ||
| } | ||
| String invalidConfig = properties == null ? null : properties.get(INVALID_CACHE); | ||
| // Default is to invalid cache. | ||
| invalidCache = invalidConfig == null || invalidConfig.equalsIgnoreCase("true"); | ||
| } | ||
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| /** | ||
| * Refresh database | ||
| */ | ||
| public void handleRefreshDb() throws DdlException { | ||
| Env env = Env.getCurrentEnv(); | ||
| CatalogIf catalog = catalogName != null ? env.getCatalogMgr().getCatalog(catalogName) : env.getCurrentCatalog(); | ||
| if (catalog == null) { | ||
| throw new DdlException("Catalog " + catalogName + " doesn't exist."); | ||
| } | ||
| if (!(catalog instanceof ExternalCatalog)) { | ||
| throw new DdlException("Only support refresh database in external catalog"); | ||
| } | ||
| DatabaseIf db = catalog.getDbOrDdlException(dbName); | ||
| ((ExternalDatabase<?>) db).setUnInitialized(invalidCache); | ||
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| ExternalObjectLog log = new ExternalObjectLog(); | ||
| log.setCatalogId(catalog.getId()); | ||
| log.setDbId(db.getId()); | ||
| log.setInvalidCache(invalidCache); | ||
| Env.getCurrentEnv().getEditLog().logRefreshExternalDb(log); | ||
| } | ||
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| @Override | ||
| public void run(ConnectContext ctx, StmtExecutor executor) throws Exception { | ||
| validate(ctx); | ||
| handleRefreshDb(); | ||
| } | ||
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| @Override | ||
| public <R, C> R accept(PlanVisitor<R, C> visitor, C context) { | ||
| return visitor.visitRefreshDatabaseCommand(this, context); | ||
| } | ||
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| /** | ||
| * refresh database statement. | ||
| */ | ||
| public String toSql() { | ||
| StringBuilder sb = new StringBuilder(); | ||
| sb.append("REFRESH DATABASE "); | ||
| if (catalogName != null) { | ||
| sb.append("`").append(catalogName).append("`."); | ||
| } | ||
| sb.append("`").append(dbName).append("`"); | ||
| return sb.toString(); | ||
| } | ||
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| @Override | ||
| public StmtType stmtType() { | ||
| return StmtType.REFRESH; | ||
| } | ||
| } |
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