change

src/connector/jdbc/src/main/java/com/taosdata/jdbc/GetColumnsResultSet.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.sql.ResultSet;
-
-/*
- * TDengine only supports a subset of the standard SQL, thus this implemetation of the
- * standard JDBC API contains more or less some adjustments customized for certain
- * compatibility needs.
- */
-public class GetColumnsResultSet extends TSDBResultSetWrapper {
-    private String catalog;
-    private String schemaPattern;
-    private String tableNamePattern;
-    private String columnNamePattern;
-
-    public GetColumnsResultSet(ResultSet resultSet, String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern) {
-        super.setOriginalResultSet(resultSet);
-        this.catalog = catalog;
-        this.schemaPattern = schemaPattern;
-        this.tableNamePattern = tableNamePattern;
-        this.columnNamePattern = columnNamePattern;
-    }
-
-    @Override
-    public String getString(int columnIndex) {
-        switch (columnIndex) {
-            case 1:
-                return catalog;
-            case 2:
-                return null;
-            case 3:
-                return tableNamePattern;
-            default:
-                return null;
-        }
-    }
-}

src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBParameterMetaData.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.sql.ParameterMetaData;
-import java.sql.SQLException;
-
-public class TSDBParameterMetaData implements ParameterMetaData {
-    @Override
-    public int getParameterCount() throws SQLException {
-        return 0;
-    }
-
-    @Override
-    public int isNullable(int param) throws SQLException {
-        return 0;
-    }
-
-    @Override
-    public boolean isSigned(int param) throws SQLException {
-        return false;
-    }
-
-    @Override
-    public int getPrecision(int param) throws SQLException {
-        return 0;
-    }
-
-    @Override
-    public int getScale(int param) throws SQLException {
-        return 0;
-    }
-
-    @Override
-    public int getParameterType(int param) throws SQLException {
-        return 0;
-    }
-
-    @Override
-    public String getParameterTypeName(int param) throws SQLException {
-        return null;
-    }
-
-    @Override
-    public String getParameterClassName(int param) throws SQLException {
-        return null;
-    }
-
-    @Override
-    public int getParameterMode(int param) throws SQLException {
-        return 0;
-    }
-
-    @Override
-    public <T> T unwrap(Class<T> iface) throws SQLException {
-        return null;
-    }
-
-    @Override
-    public boolean isWrapperFor(Class<?> iface) throws SQLException {
-        return false;
-    }
-}

src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBSubscribeCallBack.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;
-
-public interface TSDBSubscribeCallBack {
-    void invoke(TSDBResultSet resultSet);
-}