refactor: remove TSDBError

src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBError.java

-/***************************************************************************
- * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
- *
- * This program is free software: you can use, redistribute, and/or modify
- * it under the terms of the GNU Affero General Public License, version 3
- * or later ("AGPL"), as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *****************************************************************************/
-package com.taosdata.jdbc;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- *
- * TDengine error code and error message enumeration.
- *
- */
-public enum TSDBError {
-
-    TSDB_CODE_SUCCESS(0, "success"),
-    TSDB_CODE_ACTION_IN_PROGRESS(1, "in progress"),
-    TSDB_CODE_LAST_SESSION_NOT_FINISHED(5, "last session not finished"),
-    TSDB_CODE_INVALID_SESSION_ID(6, "invalid session ID"),
-    TSDB_CODE_INVALID_TRAN_ID(7, "invalid tran ID"),
-    TSDB_CODE_INVALID_MSG_TYPE(8, "invalid msg type"),
-    TSDB_CODE_ALREADY_PROCESSED(9, "alredy processed"),
-    TSDB_CODE_AUTH_FAILURE(10, "authentication failure"),
-    TSDB_CODE_WRONG_MSG_SIZE(11, "wrong msg size"),
-    TSDB_CODE_UNEXPECTED_RESPONSE(12, "unexpected response"),
-    TSDB_CODE_INVALID_RESPONSE_TYPE(13, "invalid response type"),
-    TSDB_CODE_NO_RESOURCE(14, "no resource"),
-    TSDB_CODE_INVALID_TIME_STAMP(15, "invalid time stamp"),
-    TSDB_CODE_MISMATCHED_METER_ID(16, "mismatched meter ID"),
-    TSDB_CODE_ACTION_TRANS_NOT_FINISHED(17, "transcation not finished"),
-    TSDB_CODE_ACTION_NOT_ONLINE(18, "not online"),
-    TSDB_CODE_ACTION_SEND_FAILD(19, "send failed"),
-    TSDB_CODE_NOT_ACTIVE_SESSION(20, "not active session"),
-    TSDB_CODE_INSERT_FAILED(21, "insert failed"),
-    TSDB_CODE_APP_ERROR(22, "App error"),
-    TSDB_CODE_INVALID_IE(23, "invalid IE"),
-    TSDB_CODE_INVALID_VALUE(24, "invalid value"),
-    TSDB_CODE_REDIRECT(25, "service not available"),
-    TSDB_CODE_ALREADY_THERE(26, "already there"),
-    TSDB_CODE_INVALID_TABLE_ID(27, "invalid meter ID"),
-    TSDB_CODE_INVALID_SQL(28, "invalid SQL"), // this message often comes with additional info which will vary based on the specific error situation
-    TSDB_CODE_NETWORK_UNAVAIL(29, "failed to connect to server"),
-    TSDB_CODE_INVALID_MSG_LEN(30, "invalid msg len"),
-    TSDB_CODE_INVALID_DB(31, "invalid DB"),
-    TSDB_CODE_INVALID_TABLE(32, "invalid table"),
-    TSDB_CODE_DB_ALREADY_EXIST(33, "DB already there"),
-    TSDB_CODE_TABLE_ALREADY_EXIST(34, "table already there"),
-    TSDB_CODE_INVALID_USER(35, "invalid user name"),
-    TSDB_CODE_INVALID_ACCT(36, "invalid acct name"),
-    TSDB_CODE_INVALID_PASS(37, "invalid password"),
-    TSDB_CODE_DB_NOT_SELECTED(38, "DB not selected"),
-    TSDB_CODE_MEMORY_CORRUPTED(39, "memory corrupted"),
-    TSDB_CODE_USER_ALREADY_EXIST(40, "user name exists"),
-    TSDB_CODE_NO_RIGHTS(41, "not authorized"),
-    TSDB_CODE_DISCONNECTED(42, "login disconnected), login again"),
-    TSDB_CODE_NO_MASTER(43, "mgmt master node not available"),
-    TSDB_CODE_NOT_CONFIGURED(44, "not configured"),
-    TSDB_CODE_INVALID_OPTION(45, "invalid option"),
-    TSDB_CODE_NODE_OFFLINE(46, "node offline"),
-    TSDB_CODE_SYNC_REQUIRED(47, "sync required"),
-    TSDB_CODE_NO_ENOUGH_DNODES(48, "more dnodes are needed"),
-    TSDB_CODE_UNSYNCED(49, "node in unsynced state"),
-    TSDB_CODE_TOO_SLOW(50, "too slow"),
-    TSDB_CODE_OTHERS(51, "others"),
-    TSDB_CODE_NO_REMOVE_MASTER(52, "can't remove dnode which is master"),
-    TSDB_CODE_WRONG_SCHEMA(53, "wrong schema"),
-    TSDB_CODE_NO_RESULT(54, "no results"),
-    TSDB_CODE_TOO_MANY_USERS(55, "num of users execeed maxUsers"),
-    TSDB_CODE_TOO_MANY_DATABSES(56, "num of databases execeed maxDbs"),
-    TSDB_CODE_TOO_MANY_TABLES(57, "num of tables execeed maxTables"),
-    TSDB_CODE_TOO_MANY_DNODES(58, "num of dnodes execeed maxDnodes"),
-    TSDB_CODE_TOO_MANY_ACCTS(59, "num of accounts execeed maxAccts"),
-    TSDB_CODE_ACCT_ALREADY_EXIST(60, "accout name exists"),
-    TSDB_CODE_DNODE_ALREADY_EXIST(61, "dnode ip exists"),
-    TSDB_CODE_SDB_ERROR(62, "sdb error"),
-    TSDB_CODE_METRICMETA_EXPIRED(63, "metric meta expired"), // local cached metric-meta expired causes error in metric query
-    TSDB_CODE_NOT_READY(64, "not ready"), // peer is not ready to process data
-    TSDB_CODE_MAX_SESSIONS(65, "too many sessions on server"), // too many sessions
-    TSDB_CODE_MAX_CONNECTIONS(66, "too many sessions from app"), // too many connections
-    TSDB_CODE_SESSION_ALREADY_EXIST(67, "session to dest is already there"),
-    TSDB_CODE_NO_QSUMMARY(68, "query list not there), please show again"),
-    TSDB_CODE_SERV_OUT_OF_MEMORY(69, "server out of memory"),
-    TSDB_CODE_INVALID_QHANDLE(70, "invalid query handle"),
-    TSDB_CODE_RELATED_TABLES_EXIST(71, "tables related to metric exist"),
-    TSDB_CODE_MONITOR_DB_FORBEIDDEN(72, "can't drop monitor database or tables"),
-    TSDB_CODE_VG_COMMITLOG_INIT_FAILED(73, "commit log init failed"),
-    TSDB_CODE_VG_INIT_FAILED(74, "vgroup init failed"),
-    TSDB_CODE_DATA_ALREADY_IMPORTED(75, "data is already imported"),
-    TSDB_CODE_OPS_NOT_SUPPORT(76, "not supported operation"),
-    TSDB_CODE_INVALID_QUERY_ID(77, "invalid query id string"),
-    TSDB_CODE_INVALID_STREAM_ID(78, "invalid stream id string"),
-    TSDB_CODE_INVALID_CONNECTION(79, "invalid connection string"),
-    TSDB_CODE_ACTION_NOT_BALANCED(80, "dnode not balanced"),
-    TSDB_CODE_CLI_OUT_OF_MEMORY(81, "client out of memory"),
-    TSDB_CODE_DATA_OVERFLOW(82, "data value overflow"),
-    TSDB_CODE_QUERY_CANCELLED(83, "query cancelled"),
-    TSDB_CODE_GRANT_POINT_LIMITED(84, "grant points limited"),
-    TSDB_CODE_GRANT_EXPIRED(85, "grant expired"),
-    TSDB_CODE_CLI_NO_DISKSPACE(86, "client no disk space"),
-    TSDB_CODE_FILE_CORRUPTED(87, "DB file corrupted"),
-    TSDB_CODE_INVALID_CLIENT_VERSION(88, "version of client and server not match");
-
-    private long errCode;
-    private String errMessage;
-    private static Map<Integer, String> errorCodeMap = new HashMap<>(86);
-    static {
-        errorCodeMap.put(0, "success");
-        errorCodeMap.put(1, "in progress");
-        errorCodeMap.put(5, "last session not finished");
-        errorCodeMap.put(6, "invalid session ID");
-        errorCodeMap.put(7, "invalid tran ID");
-        errorCodeMap.put(8, "invalid msg type");
-        errorCodeMap.put(9, "alredy processed");
-        errorCodeMap.put(10, "authentication failure");
-        errorCodeMap.put(11, "wrong msg size");
-        errorCodeMap.put(12, "unexpected response");
-        errorCodeMap.put(13, "invalid response type");
-        errorCodeMap.put(14, "no resource");
-        errorCodeMap.put(15, "invalid time stamp");
-        errorCodeMap.put(16, "mismatched meter ID");
-        errorCodeMap.put(17, "transcation not finished");
-        errorCodeMap.put(18, "not online");
-        errorCodeMap.put(19, "send failed");
-        errorCodeMap.put(20, "not active session");
-        errorCodeMap.put(21, "insert failed");
-        errorCodeMap.put(22, "App error");
-        errorCodeMap.put(23, "invalid IE");
-        errorCodeMap.put(24, "invalid value");
-        errorCodeMap.put(25, "service not available");
-        errorCodeMap.put(26, "already there");
-        errorCodeMap.put(27, "invalid meter ID");
-        errorCodeMap.put(28, "invalid SQL"); // this message often comes with additional info which will vary based on the specific error situation
-        errorCodeMap.put(29, "failed to connect to server");
-        errorCodeMap.put(30, "invalid msg len");
-        errorCodeMap.put(31, "invalid DB");
-        errorCodeMap.put(32, "invalid table");
-        errorCodeMap.put(33, "DB already there");
-        errorCodeMap.put(34, "table already there");
-        errorCodeMap.put(35, "invalid user name");
-        errorCodeMap.put(36, "invalid acct name");
-        errorCodeMap.put(37, "invalid password");
-        errorCodeMap.put(38, "DB not selected");
-        errorCodeMap.put(39, "memory corrupted");
-        errorCodeMap.put(40, "user name exists");
-        errorCodeMap.put(41, "not authorized");
-        errorCodeMap.put(42, "login disconnected); login again");
-        errorCodeMap.put(43, "mgmt master node not available");
-        errorCodeMap.put(44, "not configured");
-        errorCodeMap.put(45, "invalid option");
-        errorCodeMap.put(46, "node offline");
-        errorCodeMap.put(47, "sync required");
-        errorCodeMap.put(48, "more dnodes are needed");
-        errorCodeMap.put(49, "node in unsynced state");
-        errorCodeMap.put(50, "too slow");
-        errorCodeMap.put(51, "others");
-        errorCodeMap.put(52, "can't remove dnode which is master");
-        errorCodeMap.put(53, "wrong schema");
-        errorCodeMap.put(54, "no results");
-        errorCodeMap.put(55, "num of users execeed maxUsers");
-        errorCodeMap.put(56, "num of databases execeed maxDbs");
-        errorCodeMap.put(57, "num of tables execeed maxTables");
-        errorCodeMap.put(58, "num of dnodes execeed maxDnodes");
-        errorCodeMap.put(59, "num of accounts execeed maxAccts");
-        errorCodeMap.put(60, "accout name exists");
-        errorCodeMap.put(61, "dnode ip exists");
-        errorCodeMap.put(62, "sdb error");
-        errorCodeMap.put(63, "metric meta expired"); // local cached metric-meta expired causes error in metric query
-        errorCodeMap.put(64, "not ready"); // peer is not ready to process data
-        errorCodeMap.put(65, "too many sessions on server"); // too many sessions
-        errorCodeMap.put(66, "too many sessions from app"); // too many connections
-        errorCodeMap.put(67, "session to dest is already there");
-        errorCodeMap.put(68, "query list not there); please show again");
-        errorCodeMap.put(69, "server out of memory");
-        errorCodeMap.put(70, "invalid query handle");
-        errorCodeMap.put(71, "tables related to metric exist");
-        errorCodeMap.put(72, "can't drop monitor database or tables");
-        errorCodeMap.put(73, "commit log init failed");
-        errorCodeMap.put(74, "vgroup init failed");
-        errorCodeMap.put(75, "data is already imported");
-        errorCodeMap.put(76, "not supported operation");
-        errorCodeMap.put(77, "invalid query id string");
-        errorCodeMap.put(78, "invalid stream id string");
-        errorCodeMap.put(79, "invalid connection string");
-        errorCodeMap.put(80, "dnode not balanced");
-        errorCodeMap.put(81, "client out of memory");
-        errorCodeMap.put(82, "data value overflow");
-        errorCodeMap.put(83, "query cancelled");
-        errorCodeMap.put(84, "grant points limited");
-        errorCodeMap.put(85, "grant expired");
-        errorCodeMap.put(86, "client no disk space");
-        errorCodeMap.put(87, "DB file corrupted");
-        errorCodeMap.put(88, "version of client and server not match");
-    }
-
-    TSDBError(long code, String message) {
-        this.errCode = code;
-        this.errMessage = message;
-    }
-
-    public long getErrCode() {
-        return this.errCode;
-    }
-
-    public String getErrMessage() {
-        return this.errMessage;
-    }
-
-    public static String getErrMessageByCode(long errCode) {
-        return errorCodeMap.get(errCode);
-    }
-
-}

src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBStatement.java

@@ -79,6 +79,7 @@ public class TSDBStatement implements Statement {
 			throw new SQLException("The executed SQL is not a DML or a DDL");
 		} else {
 			int num = this.connecter.getAffectedRows(res);
+			this.connecter.freeResultSet(res);
 			return num;
 		}
 	}

src/connector/jdbc/src/test/java/TestPreparedStatement.java

@@ -21,9 +21,12 @@ public class TestPreparedStatement {
                     System.out.printf("%d: %s\n", i, resSet.getString(i));
                 }
             }
+            resSet.close();
+            connection.close();
 
         } catch (Exception e) {
             e.printStackTrace();
+
         }
     }
 }