[Enhancement] (nereids)implement showCreateCatalogCommand in nereids

fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisParser.g4

@@ -212,6 +212,7 @@ supportedShowStatement
     | SHOW PRIVILEGES                                                               #showPrivileges
     | SHOW PROC path=STRING_LITERAL                                                 #showProc        
     | SHOW STORAGE? ENGINES                                                         #showStorageEngines
+    | SHOW CREATE CATALOG name=identifier                                           #showCreateCatalog
     | SHOW SQL_BLOCK_RULE (FOR ruleName=identifier)?                                #showSqlBlockRule
     | SHOW CREATE MATERIALIZED VIEW mvName=identifier
         ON tableName=multipartIdentifier                                            #showCreateMaterializedView   
@@ -248,7 +249,6 @@ lockTable
         (READ (LOCAL)? | (LOW_PRIORITY)? WRITE)
     ;
 
-
 unsupportedShowStatement
     : SHOW ROW POLICY (FOR (userIdentify | (ROLE role=identifier)))?                #showRowPolicy
     | SHOW STORAGE POLICY (USING (FOR policy=identifierOrText)?)?                   #showStoragePolicy
@@ -267,7 +267,6 @@ unsupportedShowStatement
     | SHOW CREATE VIEW name=multipartIdentifier                                     #showCreateView
     | SHOW CREATE MATERIALIZED VIEW name=multipartIdentifier                        #showMaterializedView
     | SHOW CREATE (DATABASE | SCHEMA) name=multipartIdentifier                      #showCreateDatabase
-    | SHOW CREATE CATALOG name=identifier                                           #showCreateCatalog
     | SHOW CREATE (GLOBAL | SESSION | LOCAL)? FUNCTION functionIdentifier
         LEFT_PAREN functionArguments? RIGHT_PAREN
         ((FROM | IN) database=multipartIdentifier)?                                 #showCreateFunction

fe/fe-core/src/main/java/org/apache/doris/datasource/CatalogMgr.java

@@ -440,17 +440,16 @@ public static Map<String, String> getCatalogPropertiesWithPrintable(CatalogIf<?>
         return sortedMap;
     }
 
-
-    public ShowResultSet showCreateCatalog(ShowCreateCatalogStmt showStmt) throws AnalysisException {
+    public List<List<String>> showCreateCatalog(String catalogName) throws AnalysisException {
         List<List<String>> rows = Lists.newArrayList();
         readLock();
         try {
-            CatalogIf catalog = nameToCatalog.get(showStmt.getCatalog());
+            CatalogIf catalog = nameToCatalog.get(catalogName);
             if (catalog == null) {
-                throw new AnalysisException("No catalog found with name " + showStmt.getCatalog());
+                throw new AnalysisException("No catalog found with name " + catalogName);
             }
             StringBuilder sb = new StringBuilder();
-            sb.append("\nCREATE CATALOG `").append(ClusterNamespace.getNameFromFullName(showStmt.getCatalog()))
+            sb.append("\nCREATE CATALOG `").append(ClusterNamespace.getNameFromFullName(catalogName))
                     .append("`");
             if (!Strings.isNullOrEmpty(catalog.getComment())) {
                 sb.append("\nCOMMENT \"").append(catalog.getComment()).append("\"\n");
@@ -464,11 +463,17 @@ public ShowResultSet showCreateCatalog(ShowCreateCatalogStmt showStmt) throws An
                 sb.append("\n);");
             }
 
-            rows.add(Lists.newArrayList(ClusterNamespace.getNameFromFullName(showStmt.getCatalog()), sb.toString()));
+            rows.add(Lists.newArrayList(ClusterNamespace.getNameFromFullName(catalogName), sb.toString()));
         } finally {
             readUnlock();
         }
 
+        return rows;
+    }
+
+    public ShowResultSet showCreateCatalog(ShowCreateCatalogStmt showStmt) throws AnalysisException {
+        List<List<String>> rows = showCreateCatalog(showStmt.getCatalog());
+
         return new ShowResultSet(showStmt.getMetaData(), rows);
     }
 

fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java

@@ -199,6 +199,7 @@
 import org.apache.doris.nereids.DorisParser.ShowBackendsContext;
 import org.apache.doris.nereids.DorisParser.ShowConfigContext;
 import org.apache.doris.nereids.DorisParser.ShowConstraintContext;
+import org.apache.doris.nereids.DorisParser.ShowCreateCatalogContext;
 import org.apache.doris.nereids.DorisParser.ShowCreateMTMVContext;
 import org.apache.doris.nereids.DorisParser.ShowCreateMaterializedViewContext;
 import org.apache.doris.nereids.DorisParser.ShowCreateProcedureContext;
@@ -450,6 +451,7 @@
 import org.apache.doris.nereids.trees.plans.commands.ShowBackendsCommand;
 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.ShowCreateCatalogCommand;
 import org.apache.doris.nereids.trees.plans.commands.ShowCreateMTMVCommand;
 import org.apache.doris.nereids.trees.plans.commands.ShowCreateMaterializedViewCommand;
 import org.apache.doris.nereids.trees.plans.commands.ShowCreateProcedureCommand;
@@ -4059,7 +4061,6 @@ public SetDefaultStorageVaultCommand visitSetDefaultStorageVault(SetDefaultStora
     }
 
     @Override
-
     public Object visitRefreshCatalog(RefreshCatalogContext ctx) {
         if (ctx.name != null) {
             String catalogName = ctx.name.getText();
@@ -4171,6 +4172,11 @@ public LogicalPlan visitShowProc(ShowProcContext ctx) {
         return new ShowProcCommand(path);
     }
 
+    @Override
+    public LogicalPlan visitShowCreateCatalog(ShowCreateCatalogContext ctx) {
+        return new ShowCreateCatalogCommand(ctx.identifier().getText());
+    }
+
     @Override
     public LogicalPlan visitShowStorageEngines(ShowStorageEnginesContext ctx) {
         return new ShowStorageEnginesCommand();

fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/PlanType.java

@@ -180,6 +180,7 @@ public enum PlanType {
     SHOW_BACKENDS_COMMAND,
     SHOW_BLOCK_RULE_COMMAND,
     SHOW_CONFIG_COMMAND,
+    SHOW_CREATE_CATALOG_COMMAND,
     SHOW_CREATE_MATERIALIZED_VIEW_COMMAND,
     SHOW_FRONTENDS_COMMAND,
     SHOW_GRANTS_COMMAND,

fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/commands/ShowCreateCatalogCommand.java

@@ -0,0 +1,80 @@
+// 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.Env;
+import org.apache.doris.catalog.ScalarType;
+import org.apache.doris.common.ErrorCode;
+import org.apache.doris.common.ErrorReport;
+import org.apache.doris.mysql.privilege.PrivPredicate;
+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.base.Strings;
+
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * Represents the command for SHOW CREATE CATALOG.
+ */
+public class ShowCreateCatalogCommand extends ShowCommand {
+    private static final ShowResultSetMetaData META_DATA =
+            ShowResultSetMetaData.builder()
+                    .addColumn(new Column("Catalog", ScalarType.createVarchar(20)))
+                    .addColumn(new Column("CreateCatalog", ScalarType.createVarchar(30)))
+                    .build();
+
+    private final String catalogName;
+
+    public ShowCreateCatalogCommand(String catalogName) {
+        super(PlanType.SHOW_CREATE_CATALOG_COMMAND);
+        this.catalogName = Objects.requireNonNull(catalogName, "Catalog name cannot be null");
+    }
+
+    @Override
+    public ShowResultSet doRun(ConnectContext ctx, StmtExecutor executor) throws Exception {
+        if (Strings.isNullOrEmpty(catalogName)) {
+            ErrorReport.reportAnalysisException(ErrorCode.ERR_WRONG_CATALOG_NAME, catalogName);
+        }
+
+        if (!Env.getCurrentEnv().getAccessManager()
+                .checkCtlPriv(ConnectContext.get(), catalogName, PrivPredicate.SHOW)) {
+            ErrorReport.reportAnalysisException(ErrorCode.ERR_CATALOG_ACCESS_DENIED,
+                    ConnectContext.get().getQualifiedUser(), catalogName);
+        }
+
+        List<List<String>> rows = Env.getCurrentEnv().getCatalogMgr().showCreateCatalog(catalogName);
+
+        return new ShowResultSet(getMetaData(), rows);
+    }
+
+    @Override
+    public <R, C> R accept(PlanVisitor<R, C> visitor, C context) {
+        return visitor.visitShowCreateCatalogCommand(this, context);
+    }
+
+    public ShowResultSetMetaData getMetaData() {
+        return META_DATA;
+    }
+}

fe/fe-core/src/main/java/org/apache/doris/nereids/trees/plans/visitor/CommandVisitor.java

@@ -54,6 +54,7 @@
 import org.apache.doris.nereids.trees.plans.commands.ShowBackendsCommand;
 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.ShowCreateCatalogCommand;
 import org.apache.doris.nereids.trees.plans.commands.ShowCreateMTMVCommand;
 import org.apache.doris.nereids.trees.plans.commands.ShowCreateMaterializedViewCommand;
 import org.apache.doris.nereids.trees.plans.commands.ShowCreateProcedureCommand;
@@ -311,6 +312,10 @@ default R visitShowStorageEnginesCommand(ShowStorageEnginesCommand showStorageEn
         return visitCommand(showStorageEnginesCommand, context);
     }
 
+    default R visitShowCreateCatalogCommand(ShowCreateCatalogCommand showCreateCatalogCommand, C context) {
+        return visitCommand(showCreateCatalogCommand, context);
+    }
+
     default R visitShowCreateMaterializedViewCommand(ShowCreateMaterializedViewCommand showCreateMtlzViewCommand,
                         C context) {
         return visitCommand(showCreateMtlzViewCommand, context);

regression-test/data/nereids_p0/show/test_show_create_catalog.out

@@ -0,0 +1,4 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !cmd --
+es	\nCREATE CATALOG `es` PROPERTIES (\n"type" = "es",\n"hosts" = "http://127.0.0.1:9200"\n);
+

regression-test/suites/nereids_p0/show/test_show_create_catalog.groovy

@@ -0,0 +1,32 @@
+// 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("test_show_create_catalog", "p0,external,hive,external_docker,external_docker_hive") {
+
+    String catalog_name = "es"
+
+    sql """drop catalog if exists ${catalog_name}"""
+    sql """create catalog if not exists ${catalog_name} properties (
+            "type"="es",
+            "hosts"="http://127.0.0.1:9200"
+    );"""
+
+    checkNereidsExecute("""show create catalog ${catalog_name}""")
+    qt_cmd("""show create catalog ${catalog_name}""")
+
+    sql """drop catalog if exists ${catalog_name}"""
+}