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173 lines (114 loc) · 3.5 KB
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package com.javalab.qaTest;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class ConnectionTest {
Connection conn;
public void DBManager(){
try{
Class.forName ("oracle.jdbc.driver.OracleDriver");
conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:TESTSCH", "system", "oracle");
} catch (SQLException e) {
e.printStackTrace();
} catch (ReflectiveOperationException e) {
e.printStackTrace();
}
}
/*
* Add to order table
*
*/
public int addOrder(int OrderID, int CustomerID, String Product){
try{
if(conn == null || conn.isClosed())
DBManager();
PreparedStatement St = conn.prepareStatement("INSERT INTO OREDER VALUES (?, ?, ?, null)");
St.setInt(1, OrderID);
St.setInt(2, CustomerID);
St.setString(3, Product);
return St.executeUpdate();
} catch(SQLException e){
System.out.println(e);
}
return 0;
}
/*
* Add to customer_t table
*/
public int addCustomer(int CustomerID, String CustomerName , String CustomerAddress, String CustomerCity,String CustomerPostalCode){
try{
if(conn == null || conn.isClosed())
DBManager();
PreparedStatement St = conn.prepareStatement("INSERT INTO CUSTOMER_T VALUES (?, ?, ?, ?, ?)");
St.setInt(1, CustomerID);
St.setString(2, CustomerName);
St.setString(3, CustomerAddress);
St.setString(4, CustomerCity);
St.setString(5, CustomerPostalCode);
return St.executeUpdate();
} catch(SQLException e){
System.out.println(e);
}
return 0;
}
/*
* delete from table
*/
public ResultSet deleteOrder(){
try {
if(conn == null || conn.isClosed())
DBManager();
Statement st =conn.createStatement();
String sql = "DELETE FROM oreder WHERE product = 'kitchen stove'";
st.executeUpdate(sql);
System.out.println("Data deleted Successfully");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
public ResultSet getCustomer(){
try {
if(conn == null || conn.isClosed())
DBManager();
Statement st =conn.createStatement();
ResultSet rs = st.executeQuery("SELECT * FROM CUSTOMER_T");
return rs;
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
public ResultSet getOrder(){
try {
if(conn == null || conn.isClosed())
DBManager();
Statement st =conn.createStatement();
ResultSet rs = st.executeQuery("SELECT ORDERID, CUSTOMERID, PRODUCT FROM OREDER");
return rs;
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
public ResultSet getJoin(){
try {
if(conn == null || conn.isClosed())
DBManager();
Statement st =conn.createStatement();
ResultSet rs = st.executeQuery("SELECT CUSTOMER_T.CUSTOMERID, CUSTOMER_T.CUSTOMERNAME, OREDER.ORDERID, OREDER.PRODUCT FROM CUSTOMER_T LEFT OUTER JOIN OREDER ON"
+ " CUSTOMER_T.CUSTOMERID = OREDER.ORDERID ORDER BY ORDERID");
return rs;
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
}