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[Enhancement] (nereids)implement showStorageEnginesCommand in nereids (…
…apache#43135) Issue Number: close apache#42734
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87 changes: 87 additions & 0 deletions
87
...rc/main/java/org/apache/doris/nereids/trees/plans/commands/ShowStorageEnginesCommand.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; | ||
| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
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| import java.util.List; | ||
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| /** | ||
| * show storage engines command | ||
| */ | ||
| public class ShowStorageEnginesCommand extends ShowCommand { | ||
| public static final Logger LOG = LogManager.getLogger(ShowStorageEnginesCommand.class); | ||
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| /** | ||
| * constructor | ||
| */ | ||
| public ShowStorageEnginesCommand() { | ||
| super(PlanType.SHOW_STORAGE_ENGINES_COMMAND); | ||
| } | ||
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| /** | ||
| * get meta for show tableId | ||
| */ | ||
| public ShowResultSetMetaData getMetaData() { | ||
| ShowResultSetMetaData.Builder builder = ShowResultSetMetaData.builder(); | ||
| builder.addColumn(new Column("Engine", ScalarType.createVarchar(64))); | ||
| builder.addColumn(new Column("Support", ScalarType.createVarchar(8))); | ||
| builder.addColumn(new Column("Comment", ScalarType.createVarchar(80))); | ||
| builder.addColumn(new Column("Transactions", ScalarType.createVarchar(3))); | ||
| builder.addColumn(new Column("XA", ScalarType.createVarchar(3))); | ||
| builder.addColumn(new Column("Savepoints", ScalarType.createVarchar(3))); | ||
| return builder.build(); | ||
| } | ||
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| private ShowResultSet handleShowEngines(ConnectContext ctx, StmtExecutor executor) throws Exception { | ||
| List<List<String>> rowSet = Lists.newArrayList(); | ||
| rowSet.add(Lists.newArrayList("Olap engine", "YES", "Default storage engine of palo", "NO", "NO", "NO")); | ||
| rowSet.add(Lists.newArrayList("MySQL", "YES", "MySQL server which data is in it", "NO", "NO", "NO")); | ||
| rowSet.add(Lists.newArrayList("ELASTICSEARCH", "YES", "ELASTICSEARCH cluster which data is in it", | ||
| "NO", "NO", "NO")); | ||
| rowSet.add(Lists.newArrayList("HIVE", "YES", "HIVE database which data is in it", "NO", "NO", "NO")); | ||
| rowSet.add(Lists.newArrayList("ICEBERG", "YES", "ICEBERG data lake which data is in it", "NO", "NO", "NO")); | ||
| rowSet.add(Lists.newArrayList("ODBC", "YES", "ODBC driver which data we can connect", "NO", "NO", "NO")); | ||
| rowSet.add(Lists.newArrayList("HUDI", "YES", "HUDI data lake which data is in it", "NO", "NO", "NO")); | ||
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| // Only success | ||
| ShowResultSet resultSet = new ShowResultSet(getMetaData(), rowSet); | ||
| return resultSet; | ||
| } | ||
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| @Override | ||
| public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exception { | ||
| return handleShowEngines(ctx, executor); | ||
| } | ||
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| @Override | ||
| public <R, C> R accept(PlanVisitor<R, C> visitor, C context) { | ||
| return visitor.visitShowStorageEnginesCommand(this, context); | ||
| } | ||
| } |
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19 changes: 19 additions & 0 deletions
19
regression-test/data/nereids_p0/show/test_show_engines_nereids.out
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| -- This file is automatically generated. You should know what you did if you want to edit this | ||
| -- !cmd_1 -- | ||
| Olap engine YES Default storage engine of palo NO NO NO | ||
| MySQL YES MySQL server which data is in it NO NO NO | ||
| ELASTICSEARCH YES ELASTICSEARCH cluster which data is in it NO NO NO | ||
| HIVE YES HIVE database which data is in it NO NO NO | ||
| ICEBERG YES ICEBERG data lake which data is in it NO NO NO | ||
| ODBC YES ODBC driver which data we can connect NO NO NO | ||
| HUDI YES HUDI data lake which data is in it NO NO NO | ||
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| -- !cmd_2 -- | ||
| Olap engine YES Default storage engine of palo NO NO NO | ||
| MySQL YES MySQL server which data is in it NO NO NO | ||
| ELASTICSEARCH YES ELASTICSEARCH cluster which data is in it NO NO NO | ||
| HIVE YES HIVE database which data is in it NO NO NO | ||
| ICEBERG YES ICEBERG data lake which data is in it NO NO NO | ||
| ODBC YES ODBC driver which data we can connect NO NO NO | ||
| HUDI YES HUDI data lake which data is in it NO NO NO | ||
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24 changes: 24 additions & 0 deletions
24
regression-test/suites/nereids_p0/show/test_show_engines_nereids.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("test_show_engines_nereids") { | ||
| checkNereidsExecute("show engines;") | ||
| qt_cmd_1("show engines;") | ||
| checkNereidsExecute("show storage engines;") | ||
| qt_cmd_2("show storage engines;") | ||
| // can not use qt to check, the output may change. | ||
| } |