LiBinfeng-01 opened a new issue, #42660: URL: https://github.com/apache/doris/issues/42660
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues. ### Description show command is supported in legacy planner but not in nereids(new doris fe planner). you need implement the following use command in nereids: unsupportedShowStatement - [ ] SHOW SQL_BLOCK_RULE (FOR ruleName=identifier)? #showSqlBlockRule ShowSqlBlockRuleStmt - [ ] SHOW ROW POLICY (FOR (userIdentify - [ ] (ROLE role=identifier)))? #showRowPolicy ShowPolicyStmt - [ ] SHOW STORAGE POLICY (USING (FOR policy=identifierOrText)?)? #showStoragePolicy ShowStoragePolicyUsingStmt - [ ] SHOW STAGES #showStages ShowStageStmt - [ ] SHOW STORAGE (VAULT - [ ] VAULTS) #showStorageVault ShowStorageVaultStmt - [ ] SHOW CREATE REPOSITORY FOR identifier #showCreateRepository ShowCreateRepositoryStmt - [ ] SHOW WHITELIST #showWhitelist ShowWhiteListStmt - [ ] SHOW OPEN TABLES ((FROM - [ ] IN) database=multipartIdentifier)? wildWhere? #showOpenTables ShowOpenTableStmt - [ ] SHOW TABLE STATUS ((FROM - [ ] IN) database=multipartIdentifier)? wildWhere? #showTableStatus ShowTableStatsStmt - [ ] SHOW TABLE tableId=INTEGER_VALUE #showTableId ShowTableIdStmt - [ ] SHOW FULL? PROCESSLIST #showProcessList ShowProcesslistStmt - [ ] SHOW (GLOBAL - [ ] SESSION - [ ] LOCAL)? STATUS wildWhere? #showStatus ShowStatusStmt - [ ] SHOW FULL? TRIGGERS ((FROM - [ ] IN) database=multipartIdentifier)? wildWhere? #showTriggers ShowTriggersStmt - [ ] SHOW EVENTS ((FROM - [ ] IN) database=multipartIdentifier)? wildWhere? #showEvents ShowEventsStmt - [ ] SHOW PLUGINS #showPlugins ShowPluginsStmt - [ ] SHOW STORAGE? ENGINES #showStorageEngines ShowEnginesStmt - [ ] SHOW AUTHORS #showAuthors ShowAuthorStmt - [ ] SHOW BRIEF? CREATE TABLE name=multipartIdentifier #showCreateTable ShowCreateTableStmt - [ ] SHOW CREATE VIEW name=multipartIdentifier #showCreateView ShowCreateTableStmt - [ ] SHOW CREATE MATERIALIZED VIEW name=multipartIdentifier #showMaterializedView ShowCreateMTMVStmt - [ ] SHOW CREATE (DATABASE - [ ] SCHEMA) name=multipartIdentifier #showCreateDatabase ShowCreateDbStmt - [ ] SHOW CREATE CATALOG name=identifier #showCreateCatalog ShowCreateCatalogStmt - [ ] SHOW (DATABASES - [ ] SCHEMAS) (FROM catalog=identifier)? wildWhere? #showDatabases ShowDbStmt - [ ] SHOW DATABASE databaseId=INTEGER_VALUE #showDatabaseId ShowDbIdStmt - [ ] SHOW DATA TYPES #showDataTypes ShowDataTypesStmt - [ ] SHOW CATALOGS wildWhere? #showCatalogs ShowCatalogStmt - [ ] SHOW CATALOG name=identifier #showCatalog ShowCatalogStmt - [ ] SHOW DYNAMIC PARTITION TABLES ((FROM - [ ] IN) database=multipartIdentifier)? #showDynamicPartition ShowDynamicPartitionStmt - [ ] SHOW FULL? (COLUMNS - [ ] FIELDS) (FROM - [ ] IN) tableName=multipartIdentifier ((FROM - [ ] IN) database=multipartIdentifier)? wildWhere? #showColumns ShowColumnStmt - [ ] SHOW COLLATION wildWhere? #showCollation ShowCollationStmt - [ ] SHOW ((CHAR SET) - [ ] CHARSET) wildWhere? #showCharset ShowCharsetStmt - [ ] SHOW PROC path=STRING_LITERAL #showProc ShowProcStmt - [ ] SHOW COUNT LEFT_PAREN ASTERISK RIGHT_PAREN (WARNINGS - [ ] ERRORS) #showWaringErrorCount RESULT = new SelectStmt(list, null, null, null, null, null, null); - [ ] SHOW (WARNINGS - [ ] ERRORS) limitClause? #showWaringErrors ShowWarningStmt - [ ] SHOW LOAD WARNINGS ((((FROM - [ ] IN) database=multipartIdentifier)? wildWhere? limitClause?) - [ ] (ON url=STRING_LITERAL)) #showLoadWarings ShowLoadWarningsStmt - [ ] SHOW DELETE ((FROM - [ ] IN) database=multipartIdentifier)? #showDelete ShowDeleteStmt - [ ] SHOW DATA SKEW FROM baseTableRef #showDataSkew ShowDataSkewStmt - [ ] SHOW PARTITION partitionId=INTEGER_VALUE #showPartitionId ShowPartitionIdStmt - [ ] SHOW TABLET tabletId=INTEGER_VALUE #showTabletId ShowTableIdStmt - [ ] SHOW TABLETS BELONG tabletIds+=INTEGER_VALUE (COMMA tabletIds+=INTEGER_VALUE)* #showTabletBelong ShowTabletsBelongStmt - [ ] SHOW PROPERTY (FOR user=identifierOrText)? wildWhere? #showUserProperties ShowUserPropertyStmt - [ ] SHOW ALL PROPERTIES wildWhere? #showAllProperties ShowUserPropertyStmt - [ ] SHOW BROKER #showBroker ShowBrokerStmt - [ ] SHOW BACKENDS #showBackends ShowBackendsStmt - [ ] SHOW TRASH (ON backend=STRING_LITERAL)? #showTrash ShowTrashStmt - [ ] SHOW FRONTENDS name=identifier? #showFrontends ShowFrontendsStmt - [ ] SHOW REPOSITORIES #showRepositories ShowRepositoriesStmt - [ ] SHOW ALL? GRANTS #showGrants ShowGrantsStmt - [ ] SHOW GRANTS FOR userIdentify #showGrantsForUser ShowGrantsStmt - [ ] SHOW ROLES #showRoles ShowRolesStmt - [ ] SHOW PRIVILEGES #showPrivileges ShowPrivilegesStmt - [ ] SHOW FILE ((FROM - [ ] IN) database=multipartIdentifier)? #showSmallFiles ShowSmallFilesStmt - [ ] SHOW (KEY - [ ] KEYS - [ ] INDEX - [ ] INDEXES) (FROM - [ ]IN) tableName=multipartIdentifier ((FROM - [ ] IN) database=multipartIdentifier)? #showIndex ShowIndexStmt - [ ] SHOW QUERY PROFILE queryIdPath=STRING_LITERAL #showQueryProfile ShowQueryProfileStmt - [ ] SHOW LOAD PROFILE loadIdPath=STRING_LITERAL #showLoadProfile ShowLoadProfileStmt - [ ] SHOW ENCRYPTKEYS ((FROM - [ ] IN) database=multipartIdentifier)? wildWhere? #showEncryptKeys ShowEncryptKeysStmt - [ ] SHOW SYNC JOB ((FROM - [ ] IN) database=multipartIdentifier)? #showSyncJob ShowSyncJobStmt - [ ] SHOW TABLE CREATION ((FROM - [ ] IN) database=multipartIdentifier)? wildWhere? #showTableCreation ShowTableCreationStmt - [ ] SHOW LAST INSERT #showLastInsert ShowLastInsertStmt - [ ] SHOW CREATE MATERIALIZED VIEW mvName=identifier ON tableName=multipartIdentifier #showCreateMaterializedView ShowCreateMaterializedViewStmt - [ ] SHOW QUERY STATS ((FOR database=identifier) - [ ] (FROM tableName=multipartIdentifier (ALL VERBOSE?)?))? #showQueryStats ShowQueryStatsStmt - [ ] SHOW (CLUSTERS - [ ] (COMPUTE GROUPS)) #showClusters ShowClusterStmt - [ ] SHOW CONVERT_LSC ((FROM - [ ] IN) database=multipartIdentifier)? #showConvertLsc ShowConvertLSCStmt - [ ] SHOW REPLICA DISTRIBUTION FROM baseTableRef #showREplicaDistribution ShowReplicaDistributionStmt - [ ] SHOW TABLET STORAGE FORMAT VERBOSE? #showTabletStorageFormat ShowTabletStorageFormatStmt - [ ] SHOW TABLET DIAGNOSIS tabletId=INTEGER_VALUE #showDiagnoseTablet DiagnoseTabletStmt ### Solution _No response_ ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. 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