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[Feat](Nereids) support show authors command
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56 changes: 56 additions & 0 deletions
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...-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowAuthorsCommand.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; | ||
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| import org.apache.doris.catalog.Column; | ||
| import org.apache.doris.catalog.ScalarType; | ||
| import org.apache.doris.nereids.trees.plans.PlanType; | ||
| import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor; | ||
| import org.apache.doris.qe.ConnectContext; | ||
| import org.apache.doris.qe.ShowResultSet; | ||
| import org.apache.doris.qe.ShowResultSetMetaData; | ||
| import org.apache.doris.qe.StmtExecutor; | ||
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| import com.google.common.collect.Lists; | ||
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| /** | ||
| * ShowAuthorsCommand | ||
| */ | ||
| public class ShowAuthorsCommand extends ShowCommand { | ||
| private static final ShowResultSetMetaData META_DATA = | ||
| ShowResultSetMetaData.builder() | ||
| .addColumn(new Column("Name", ScalarType.createVarchar(30))) | ||
| .addColumn(new Column("Location", ScalarType.createVarchar(30))) | ||
| .addColumn(new Column("Comment", ScalarType.createVarchar(30))) | ||
| .build(); | ||
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| public ShowAuthorsCommand() { | ||
| super(PlanType.SHOW_AUTHORS_COMMAND); | ||
| } | ||
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| @Override | ||
| public <R, C> R accept(PlanVisitor<R, C> visitor, C context) { | ||
| return visitor.visitShowAuthorsCommand(this, context); | ||
| } | ||
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| @Override | ||
| public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exception { | ||
| List<List<String>> rowSet = Lists.newArrayList(); | ||
| return new ShowResultSet(META_DATA, rowSet); | ||
| } | ||
| } |
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3 changes: 3 additions & 0 deletions
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regression-test/data/nereids_p0/ddl/show_authors/show_authors.out
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| -- This file is automatically generated. You should know what you did if you want to edit this | ||
| -- !cmd -- | ||
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21 changes: 21 additions & 0 deletions
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regression-test/suites/nereids_p0/ddl/show_authors/show_authors.groovy
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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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| suite("show_authors_command") { | ||
| checkNereidsExecute("""show authors;""") | ||
| qt_cmd("""show authors;""") | ||
| } |