add regression test and delete unuseless code

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

@@ -39,16 +39,13 @@
 import org.apache.doris.qe.StmtExecutor;
 
 import com.google.common.base.Strings;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
 
 import java.util.Map;
 
 /**
  * Refresh database.
  */
 public class RefreshDatabaseCommand extends Command implements ForwardWithSync {
-    private static final Logger LOG = LogManager.getLogger(RefreshDatabaseCommand.class);
     private static final String INVALID_CACHE = "invalid_cache";
 
     private String catalogName;

regression-test/conf/regression-conf.groovy

@@ -24,8 +24,8 @@ defaultDb = "regression_test"
 // init cmd like: select @@session.tx_read_only
 // at each time we connect.
 // add allowLoadLocalInfile so that the jdbc can execute mysql load data from client.
-jdbcUrl = "jdbc:mysql://127.0.0.1:9030/?useLocalSessionState=true&allowLoadLocalInfile=true"
-targetJdbcUrl = "jdbc:mysql://127.0.0.1:9030/?useLocalSessionState=true&allowLoadLocalInfile=true"
+jdbcUrl = "jdbc:mysql://172.21.16.12:49035/?useLocalSessionState=true&allowLoadLocalInfile=true"
+targetJdbcUrl = "jdbc:mysql://172.21.16.12:49035/?useLocalSessionState=true&allowLoadLocalInfile=true"
 jdbcUser = "root"
 jdbcPassword = ""
 
@@ -35,7 +35,7 @@ syncerAddress = "127.0.0.1:9190"
 feSyncerUser = "root"
 feSyncerPassword = ""
 
-feHttpAddress = "127.0.0.1:8030"
+feHttpAddress = "172.21.16.12:48035"
 feHttpUser = "root"
 feHttpPassword = ""
 
@@ -118,8 +118,8 @@ sk="***********"
 // jdbc connector test config
 // To enable jdbc test, you need first start mysql/pg container.
 // See `docker/thirdparties/run-thirdparties-docker.sh`
-enableJdbcTest=false
-mysql_57_port=3316
+enableJdbcTest=true
+mysql_57_port=23316
 pg_14_port=5442
 oracle_11_port=1521
 sqlserver_2022_port=1433
@@ -233,7 +233,7 @@ max_failure_num=0
 // used for exporting test
 s3ExportBucketName = ""
 
-externalEnvIp="127.0.0.1"
+externalEnvIp="172.21.16.12"
 
 // trino-connector catalog test config
 enableTrinoConnectorTest = false

regression-test/data/external_table_p0/nereids_commands/test_nereids_refresh_catalog.out

@@ -1,5 +1,5 @@
 -- This file is automatically generated. You should know what you did if you want to edit this
--- !sql --
+-- !database --
 DORIS
 Doris
 doris
@@ -19,7 +19,7 @@ show_test_do_not_modify
 114	abf
 115	abg
 
--- !sql --
+-- !preceding_create_external_database --
 DORIS
 Doris
 doris
@@ -29,7 +29,7 @@ init_db
 mysql
 show_test_do_not_modify
 
--- !sql --
+-- !subsequent_create_external_database --
 DORIS
 Doris
 doris
@@ -40,7 +40,21 @@ mysql
 new_mysql_db
 show_test_do_not_modify
 
--- !sql --
+-- !sql_show_tables --
+
+-- !preceding_refresh_database --
+
+-- !subsequent_refresh_database --
+new_mysql_table1
+
+-- !preceding_refresh_database --
+new_mysql_table1
+
+-- !subsequent_refresh_database --
+new_mysql_table1
+new_mysql_table2
+
+-- !preceding_drop_external_database --
 DORIS
 Doris
 doris
@@ -51,7 +65,7 @@ mysql
 new_mysql_db
 show_test_do_not_modify
 
--- !sql --
+-- !subsequent_drop_external_database --
 DORIS
 Doris
 doris

regression-test/suites/external_table_p0/nereids_commands/test_nereids_refresh_catalog.groovy

@@ -28,6 +28,8 @@ suite("test_nereids_refresh_catalog", "p0,external,mysql,external_docker,externa
         String mysql_port = context.config.otherConfigs.get("mysql_57_port");
         String ex_tb0 = "ex_tb0";
         String new_mysql_db = "new_mysql_db";
+        String new_mysql_table1 = "new_mysql_table1";
+        String new_mysql_table2 = "new_mysql_table2";
 
         sql """drop catalog if exists ${catalog_name} """
 
@@ -43,27 +45,41 @@ suite("test_nereids_refresh_catalog", "p0,external,mysql,external_docker,externa
             "driver_class" = "com.mysql.cj.jdbc.Driver"
         );"""
 
-        sql """switch ${catalog_name}"""
         sql """CALL EXECUTE_STMT("${catalog_name}", "drop database if exists ${new_mysql_db}");"""
+        sql """switch ${catalog_name}"""
 
-        qt_sql """show databases;"""
+        qt_database """show databases;"""
         sql """ use ${ex_db_name}"""
 
         qt_ex_tb0_where """select id from ${ex_tb0} where id = 111;"""
         order_qt_ex_tb0  """ select id, name from ${ex_tb0} order by id; """
         // create database in mysql
         sql """CALL EXECUTE_STMT("${catalog_name}", "create database  ${new_mysql_db} ;");"""
-        qt_sql """show databases;"""
+        qt_preceding_create_external_database """show databases;"""
         checkNereidsExecute("refresh catalog ${catalog_name} ;")
-        qt_sql """show databases;"""
+        qt_subsequent_create_external_database """show databases;"""
 
         checkNereidsExecute("refresh catalog ${catalog_name} properties ('invalid_cache'='true');")
+        sql """use ${new_mysql_db}"""
+        qt_sql_show_tables """show tables;"""
+
+        // create table in mysql external database
+        sql """CALL EXECUTE_STMT("${catalog_name}", "create table ${new_mysql_db}.${new_mysql_table1} (id int, name varchar(20));");"""
+
+        qt_preceding_refresh_database """show tables;"""
+        checkNereidsExecute("refresh database ${new_mysql_db} ;")
+        qt_subsequent_refresh_database """show tables;"""
+
+        sql """CALL EXECUTE_STMT("${catalog_name}", "create table ${new_mysql_db}.${new_mysql_table2} (id int, name varchar(20));");"""
+        qt_preceding_refresh_database """show tables;"""
+        checkNereidsExecute("refresh database ${catalog_name}.${new_mysql_db} ;")
+        qt_subsequent_refresh_database """show tables;"""
 
         sql """CALL EXECUTE_STMT("${catalog_name}", "drop database if exists ${new_mysql_db} ;");"""
-        qt_sql """show databases;"""
+        qt_preceding_drop_external_database """show databases;"""
 
         checkNereidsExecute("refresh catalog ${catalog_name} properties ('invalid_cache'='true');")
-        qt_sql """show databases;"""
+        qt_subsequent_drop_external_database """show databases;"""
 
         sql """ drop catalog if exists ${catalog_name} ;"""
     }