-
Notifications
You must be signed in to change notification settings - Fork 3.3k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[Feat](Nereids) support show variables and show view command
- Loading branch information
1 parent
da35d3d
commit 59a206f
Showing
14 changed files
with
533 additions
and
5 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
53 changes: 53 additions & 0 deletions
53
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowCommand.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| // 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.nereids.trees.plans.commands; | ||
|
|
||
| import org.apache.doris.analysis.StmtType; | ||
| import org.apache.doris.nereids.trees.plans.PlanType; | ||
| import org.apache.doris.qe.ConnectContext; | ||
| import org.apache.doris.qe.ShowResultSet; | ||
| import org.apache.doris.qe.StmtExecutor; | ||
|
|
||
| /** | ||
| * base class for all show commands | ||
| */ | ||
| public abstract class ShowCommand extends Command implements NoForward { | ||
| public ShowCommand(PlanType type) { | ||
| super(type); | ||
| } | ||
|
|
||
| @Override | ||
| public StmtType stmtType() { | ||
| return StmtType.SHOW; | ||
| } | ||
|
|
||
| @Override | ||
| public void run(ConnectContext ctx, StmtExecutor executor) throws Exception { | ||
| ShowResultSet resultSet = doRun(ctx, executor); | ||
| if (resultSet != null) { | ||
| if (executor.isProxy()) { | ||
| executor.setProxyShowResultSet(resultSet); | ||
| } else { | ||
| executor.sendResultSet(resultSet); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| public abstract ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exception; | ||
|
|
||
| } |
73 changes: 73 additions & 0 deletions
73
...ore/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowVariablesCommand.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| // 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.nereids.trees.plans.commands; | ||
|
|
||
| import org.apache.doris.analysis.SetType; | ||
| import org.apache.doris.catalog.Column; | ||
| import org.apache.doris.catalog.ScalarType; | ||
| import org.apache.doris.common.CaseSensibility; | ||
| import org.apache.doris.common.PatternMatcher; | ||
| import org.apache.doris.common.PatternMatcherWrapper; | ||
| 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; | ||
| import org.apache.doris.qe.VariableMgr; | ||
|
|
||
| import java.util.List; | ||
|
|
||
| /** | ||
| * ShowVariablesCommand | ||
| */ | ||
| public class ShowVariablesCommand extends ShowCommand { | ||
| private static final String NAME_COL = "Variable_name"; | ||
| private static final String VALUE_COL = "Value"; | ||
| private static final String DEFAULT_VALUE_COL = "Default_Value"; | ||
| private static final String CHANGED_COL = "Changed"; | ||
| private static final ShowResultSetMetaData META_DATA = ShowResultSetMetaData.builder() | ||
| .addColumn(new Column(NAME_COL, ScalarType.createVarchar(20))) | ||
| .addColumn(new Column(VALUE_COL, ScalarType.createVarchar(20))) | ||
| .addColumn(new Column(DEFAULT_VALUE_COL, ScalarType.createVarchar(20))) | ||
| .addColumn(new Column(CHANGED_COL, ScalarType.createVarchar(20))) | ||
| .build(); | ||
| private SetType type; | ||
| private String pattern; | ||
|
|
||
| public ShowVariablesCommand(SetType type, String pattern) { | ||
| super(PlanType.SHOW_VARIABLES_COMMAND); | ||
| this.type = type == null ? SetType.DEFAULT : type; | ||
| this.pattern = pattern; | ||
| } | ||
|
|
||
| @Override | ||
| public <R, C> R accept(PlanVisitor<R, C> visitor, C context) { | ||
| return visitor.visitShowVariablesCommand(this, context); | ||
| } | ||
|
|
||
| @Override | ||
| public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exception { | ||
| PatternMatcher matcher = null; | ||
| if (pattern != null) { | ||
| matcher = PatternMatcherWrapper.createMysqlPattern(pattern, CaseSensibility.VARIABLES.getCaseSensibility()); | ||
| } | ||
| List<List<String>> rows = VariableMgr.dump(type, ctx.getSessionVariable(), matcher); | ||
| return new ShowResultSet(META_DATA, rows); | ||
| } | ||
| } |
Oops, something went wrong.