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new 7c49c1a51cd [Feat](Nereids) support show authors command (#43547)
7c49c1a51cd is described below
commit 7c49c1a51cd0338c4f186e65eb24b9c6648aee92
Author: GentleCold <gentlec...@qq.com>
AuthorDate: Tue Nov 12 11:37:36 2024 +0800
[Feat](Nereids) support show authors command (#43547)
### What problem does this PR solve?
Issue Number: close #42735
---
.../antlr4/org/apache/doris/nereids/DorisParser.g4 | 2 +-
.../doris/nereids/parser/LogicalPlanBuilder.java | 7 +++
.../apache/doris/nereids/trees/plans/PlanType.java | 1 +
.../trees/plans/commands/ShowAuthorsCommand.java | 58 ++++++++++++++++++++++
.../trees/plans/visitor/CommandVisitor.java | 5 ++
.../nereids_p0/ddl/show_authors/show_authors.out | 3 ++
.../ddl/show_authors/show_authors.groovy | 21 ++++++++
7 files changed, 96 insertions(+), 1 deletion(-)
diff --git a/fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4
b/fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4
index 55e16b64f1f..e0d909d7146 100644
--- a/fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4
+++ b/fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4
@@ -192,6 +192,7 @@ supportedDropStatement
supportedShowStatement
: SHOW (GLOBAL | SESSION | LOCAL)? VARIABLES wildWhere?
#showVariables
+ | SHOW AUTHORS
#showAuthors
| SHOW VIEW
(FROM |IN) tableName=multipartIdentifier
((FROM | IN) database=identifier)?
#showView
@@ -243,7 +244,6 @@ unsupportedShowStatement
| SHOW EVENTS ((FROM | IN) database=multipartIdentifier)? wildWhere?
#showEvents
| SHOW PLUGINS
#showPlugins
| SHOW STORAGE? ENGINES
#showStorageEngines
- | SHOW AUTHORS
#showAuthors
| SHOW BRIEF? CREATE TABLE name=multipartIdentifier
#showCreateTable
| SHOW CREATE VIEW name=multipartIdentifier
#showCreateView
| SHOW CREATE MATERIALIZED VIEW name=multipartIdentifier
#showMaterializedView
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java
b/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java
index 8362d002d2b..9f7b43aa8cb 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java
@@ -191,6 +191,7 @@ import
org.apache.doris.nereids.DorisParser.SetTransactionContext;
import org.apache.doris.nereids.DorisParser.SetUserPropertiesContext;
import org.apache.doris.nereids.DorisParser.SetUserVariableContext;
import org.apache.doris.nereids.DorisParser.SetVariableWithTypeContext;
+import org.apache.doris.nereids.DorisParser.ShowAuthorsContext;
import org.apache.doris.nereids.DorisParser.ShowConfigContext;
import org.apache.doris.nereids.DorisParser.ShowConstraintContext;
import org.apache.doris.nereids.DorisParser.ShowCreateMTMVContext;
@@ -422,6 +423,7 @@ import
org.apache.doris.nereids.trees.plans.commands.SetDefaultStorageVaultComma
import org.apache.doris.nereids.trees.plans.commands.SetOptionsCommand;
import org.apache.doris.nereids.trees.plans.commands.SetTransactionCommand;
import org.apache.doris.nereids.trees.plans.commands.SetUserPropertiesCommand;
+import org.apache.doris.nereids.trees.plans.commands.ShowAuthorsCommand;
import org.apache.doris.nereids.trees.plans.commands.ShowConfigCommand;
import org.apache.doris.nereids.trees.plans.commands.ShowConstraintsCommand;
import org.apache.doris.nereids.trees.plans.commands.ShowCreateMTMVCommand;
@@ -3879,6 +3881,11 @@ public class LogicalPlanBuilder extends
DorisParserBaseVisitor<Object> {
return new CreateTableLikeCommand(info);
}
+ @Override
+ public LogicalPlan visitShowAuthors(ShowAuthorsContext ctx) {
+ return new ShowAuthorsCommand();
+ }
+
@Override
public LogicalPlan visitShowConfig(ShowConfigContext ctx) {
ShowConfigCommand command;
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/PlanType.java
b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/PlanType.java
index b9fb9e96f87..573b81a7578 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/PlanType.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/PlanType.java
@@ -177,6 +177,7 @@ public enum PlanType {
EXECUTE_COMMAND,
SHOW_CONFIG_COMMAND,
SHOW_VARIABLES_COMMAND,
+ SHOW_AUTHORS_COMMAND,
SHOW_VIEW_COMMAND,
REPLAY_COMMAND
}
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowAuthorsCommand.java
b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowAuthorsCommand.java
new file mode 100644
index 00000000000..7fc46e11cff
--- /dev/null
+++
b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowAuthorsCommand.java
@@ -0,0 +1,58 @@
+// 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.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;
+
+import com.google.common.collect.Lists;
+
+import java.util.List;
+
+/**
+ * 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();
+
+ public ShowAuthorsCommand() {
+ super(PlanType.SHOW_AUTHORS_COMMAND);
+ }
+
+ @Override
+ public <R, C> R accept(PlanVisitor<R, C> visitor, C context) {
+ return visitor.visitShowAuthorsCommand(this, context);
+ }
+
+ @Override
+ public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor)
throws Exception {
+ List<List<String>> rowSet = Lists.newArrayList();
+ return new ShowResultSet(META_DATA, rowSet);
+ }
+}
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/visitor/CommandVisitor.java
b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/visitor/CommandVisitor.java
index e89c9a3a5c5..ab1ed7aecf4 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/visitor/CommandVisitor.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/visitor/CommandVisitor.java
@@ -47,6 +47,7 @@ import
org.apache.doris.nereids.trees.plans.commands.SetDefaultStorageVaultComma
import org.apache.doris.nereids.trees.plans.commands.SetOptionsCommand;
import org.apache.doris.nereids.trees.plans.commands.SetTransactionCommand;
import org.apache.doris.nereids.trees.plans.commands.SetUserPropertiesCommand;
+import org.apache.doris.nereids.trees.plans.commands.ShowAuthorsCommand;
import org.apache.doris.nereids.trees.plans.commands.ShowConfigCommand;
import org.apache.doris.nereids.trees.plans.commands.ShowConstraintsCommand;
import org.apache.doris.nereids.trees.plans.commands.ShowCreateMTMVCommand;
@@ -215,6 +216,10 @@ public interface CommandVisitor<R, C> {
return visitCommand(createTableLikeCommand, context);
}
+ default R visitShowAuthorsCommand(ShowAuthorsCommand showAuthorsCommand, C
context) {
+ return visitCommand(showAuthorsCommand, context);
+ }
+
default R visitShowConfigCommand(ShowConfigCommand showConfigCommand, C
context) {
return visitCommand(showConfigCommand, context);
}
diff --git a/regression-test/data/nereids_p0/ddl/show_authors/show_authors.out
b/regression-test/data/nereids_p0/ddl/show_authors/show_authors.out
new file mode 100644
index 00000000000..5629a2aa80f
--- /dev/null
+++ b/regression-test/data/nereids_p0/ddl/show_authors/show_authors.out
@@ -0,0 +1,3 @@
+-- This file is automatically generated. You should know what you did if you
want to edit this
+-- !cmd --
+
diff --git
a/regression-test/suites/nereids_p0/ddl/show_authors/show_authors.groovy
b/regression-test/suites/nereids_p0/ddl/show_authors/show_authors.groovy
new file mode 100644
index 00000000000..8d00205a5cb
--- /dev/null
+++ b/regression-test/suites/nereids_p0/ddl/show_authors/show_authors.groovy
@@ -0,0 +1,21 @@
+// 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.
+
+suite("show_authors_command") {
+ checkNereidsExecute("""show authors;""")
+ qt_cmd("""show authors;""")
+}
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