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[feat](nereids)support switch command in nereids (#45561)
Issue Number: close #42525
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94 changes: 94 additions & 0 deletions
94
...e-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/use/SwitchCommand.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.use; | ||
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| import org.apache.doris.analysis.StmtType; | ||
| import org.apache.doris.catalog.Env; | ||
| 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.common.util.Util; | ||
| 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.NoForward; | ||
| 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 org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
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| /** | ||
| * switch command. | ||
| */ | ||
| public class SwitchCommand extends Command implements NoForward { | ||
| private static final Logger LOG = LogManager.getLogger(SwitchCommand.class); | ||
| private final String catalogName; | ||
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| public SwitchCommand(String catalogName) { | ||
| super(PlanType.SWITCH_COMMAND); | ||
| this.catalogName = catalogName; | ||
| } | ||
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| @Override | ||
| public void run(ConnectContext ctx, StmtExecutor executor) throws Exception { | ||
| // validate catalog access | ||
| validate(ctx); | ||
| handleSwitchStmt(ctx); | ||
| } | ||
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| @Override | ||
| public <R, C> R accept(PlanVisitor<R, C> visitor, C context) { | ||
| return visitor.visitSwitchCommand(this, context); | ||
| } | ||
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| @Override | ||
| public StmtType stmtType() { | ||
| return StmtType.SWITCH; | ||
| } | ||
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| public String toSql() { | ||
| return "SWITCH `" + catalogName + "`"; | ||
| } | ||
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| private void validate(ConnectContext context) throws AnalysisException { | ||
| Util.checkCatalogAllRules(catalogName); | ||
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| if (!Env.getCurrentEnv().getAccessManager().checkCtlPriv( | ||
| ConnectContext.get(), catalogName, PrivPredicate.SHOW)) { | ||
| ErrorReport.reportAnalysisException( | ||
| ErrorCode.ERR_CATALOG_ACCESS_DENIED, context.getQualifiedUser(), catalogName); | ||
| } | ||
| } | ||
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| /** | ||
| * Process switch catalog. | ||
| */ | ||
| private void handleSwitchStmt(ConnectContext context) { | ||
| try { | ||
| context.getEnv().changeCatalog(context, catalogName); | ||
| } catch (DdlException e) { | ||
| LOG.warn("handle switch command failed! ", e); | ||
| context.getState().setError(e.getMysqlErrorCode(), e.getMessage()); | ||
| return; | ||
| } | ||
| context.getState().setOk(); | ||
| } | ||
| } |
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22 changes: 22 additions & 0 deletions
22
regression-test/suites/nereids_p0/ddl/use/switch_command_nereids.groovy
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| // 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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| suite("switch_command_nereids") { | ||
| // switch internal; | ||
| checkNereidsExecute("""switch internal;""") | ||
| checkNereidsExecute("""switch internal;""") | ||
| } |