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zyyang 2021-01-20 16:12:01 +08:00
parent bbcdd5dbf8
commit 5f80b8e78d
3 changed files with 0 additions and 145 deletions
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51
src/connector/jdbc/src/main/java/com/taosdata/jdbc/GetColumnsResultSet.java
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/***************************************************************************
* 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;
}
}
}

75
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBParameterMetaData.java
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/***************************************************************************
* 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;
}
}

19
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBSubscribeCallBack.java
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/***************************************************************************
* 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);
}