public Vector getUsacFiles(String invoice) { Vector fileList = new Vector(); String query = ""; query = query + " SELECT distinct filename, ' Date:'||to_char(usac_prcs_dat,'MM/DD/YYYY'),trunc(usac_prcs_dat) usac_prcs_dat "; query = query + " FROM stage_usac_form "; query = query + " WHERE rtrim(ltrim(sdc_inv_no)) = ?"; query = query + " ORDER BY usac_prcs_dat "; USFEnv.getLog().writeDebug("getUsacFiles() Query :" + query, this, null); PreparedStatement pstmt = null; ResultSet rs = null; try { pstmt = cConn.prepareStatement(query); pstmt.setString(1, invoice); rs = pstmt.executeQuery(); while (rs.next()) { fileList.addElement(rs.getString(1)); fileList.addElement(rs.getString(2)); } // rs.close(); // stmt.close(); if (rs != null) rs.close(); if (pstmt != null) pstmt.close(); } catch (SQLException ex) { try { if (rs != null) rs.close(); if (pstmt != null) pstmt.close(); } catch (Exception e) { USFEnv.getLog().writeCrit("Unable to close ResultSet and statement", this, e); } USFEnv.getLog().writeCrit("getUsacFiles() Failed Query:" + query, this, ex); } /* try { if( rs != null) rs.close(); } catch(Exception e) { USFEnv.getLog().writeCrit("Unable to close ResultSet",this,null); } try { if( pstmt != null) pstmt.close(); } catch(Exception e) { USFEnv.getLog().writeCrit("Unable to close Prepared Statement",this,null); }*/ return fileList; }
private String getMonth(String month) { String query; String i_month = ""; PreparedStatement pstmt = null; ResultSet rs = null; query = "select to_number(to_char(to_date(?,'Month'),'MM')) from dual"; USFEnv.getLog().writeDebug("Dinvjrnl:Get Month - Query" + query, this, null); try { pstmt = conn.prepareStatement(query); pstmt.setString(1, month); rs = pstmt.executeQuery(); if (rs.next()) { i_month = rs.getString(1); } if (rs != null) rs.close(); if (pstmt != null) pstmt.close(); } catch (SQLException ex) { USFEnv.getLog().writeCrit("Dinvjrnl: Month Conversion Failed ", this, ex); try { if (rs != null) rs.close(); if (pstmt != null) pstmt.close(); } catch (SQLException e) { USFEnv.getLog().writeCrit("Unable to close the resultset/prepared statement", this, e); } } return i_month; }
public static void customStartAll(Connection conn) throws SQLException { String method = "customStartAll"; int location = 1000; try { Statement stmt = conn.createStatement(); int id = 0; int gpfdistPort = 0; String strSQL = "SELECT id\n"; strSQL += "FROM os.custom_sql"; ResultSet rs = stmt.executeQuery(strSQL); while (rs.next()) { id = rs.getInt(1); gpfdistPort = GpfdistRunner.customStart(OSProperties.osHome); strSQL = "INSERT INTO os.ao_custom_sql\n"; strSQL += "(id, table_name, columns, column_datatypes, sql_text, source_type, source_server_name, source_instance_name, source_port, source_database_name, source_user_name, source_pass, gpfdist_port)\n"; strSQL += "SELECT id, table_name, columns, column_datatypes, sql_text, source_type, source_server_name, source_instance_name, source_port, source_database_name, source_user_name, source_pass, " + gpfdistPort + "\n"; strSQL += "FROM os.custom_sql\n"; strSQL += "WHERE id = " + id; stmt.executeUpdate(strSQL); } } catch (SQLException ex) { throw new SQLException( "(" + myclass + ":" + method + ":" + location + ":" + ex.getMessage() + ")"); } }
public static String getVariable(Connection conn, String name) throws SQLException { String method = "getVariable"; int location = 1000; try { location = 2000; String value = ""; location = 2100; Statement stmt = conn.createStatement(); String strSQL = "SELECT os.fn_get_variable('" + name + "')"; if (debug) Logger.printMsg("Getting Variable: " + strSQL); location = 2200; ResultSet rs = stmt.executeQuery(strSQL); while (rs.next()) { value = rs.getString(1); } location = 2300; return value; } catch (SQLException ex) { throw new SQLException( "(" + myclass + ":" + method + ":" + location + ":" + ex.getMessage() + ")"); } }
public static String getVersion(Connection conn) throws SQLException { String method = "getVersion"; int location = 1000; try { location = 2000; String value = ""; location = 2100; Statement stmt = conn.createStatement(); String strSQL = "SELECT CASE " + "WHEN POSITION ('HAWQ 2.0.1' in version) > 0 THEN 'HAWQ_2_0_1' " + "WHEN POSITION ('HAWQ 2.0.0' in version) > 0 THEN 'HAWQ_2_0_0' " + "WHEN POSITION ('HAWQ 1' in version) > 0 THEN 'HAWQ_1' " + "WHEN POSITION ('HAWQ' in version) = 0 AND POSITION ('Greenplum Database' IN version) > 0 THEN 'GPDB' " + "ELSE 'OTHER' END " + "FROM version()"; if (debug) Logger.printMsg("Getting Variable: " + strSQL); location = 2200; ResultSet rs = stmt.executeQuery(strSQL); while (rs.next()) { value = rs.getString(1); } location = 2300; return value; } catch (SQLException ex) { throw new SQLException( "(" + myclass + ":" + method + ":" + location + ":" + ex.getMessage() + ")"); } }
/** * This method queries the database to get the details related to the bp_id passed. * * @exception SQLException, if query fails * @author */ public Vector getBpdet(String bpid) { String query; Vector bpdet = new Vector(); PreparedStatement pstmt = null; ResultSet rs = null; query = "select rtrim(bs_id_fk||bp_rgn),bp_month from blg_prd where bp_id = ?"; try { pstmt = conn.prepareStatement(query); pstmt.setString(1, bpid); rs = pstmt.executeQuery(); while (rs.next()) { bpdet.addElement(rs.getString(1)); bpdet.addElement(rs.getString(2)); } if (rs != null) rs.close(); if (pstmt != null) pstmt.close(); } catch (SQLException ex) { USFEnv.getLog().writeCrit("Dinvjrnl: BP_ID details not Retreived ", this, ex); try { if (rs != null) rs.close(); if (pstmt != null) pstmt.close(); } catch (SQLException e) { USFEnv.getLog().writeCrit("Unable to close the resultset/prepared statement", this, e); } } return bpdet; }
/** * This method queries the database to get the sequence for the BP_ID. * * @exception SQLException, if query fails * @author */ public String getBpid() { String query; String bpid = ""; Statement stmt = null; ResultSet rs = null; query = "select bp_id_seq.nextval from dual "; try { stmt = conn.createStatement(); rs = stmt.executeQuery(query); if (rs.next()) { bpid = rs.getString(1); } if (rs != null) rs.close(); if (stmt != null) stmt.close(); } catch (SQLException ex) { USFEnv.getLog().writeCrit("Dinvjrnl: Sequence Value for BP_ID not Retreived ", this, ex); try { if (rs != null) rs.close(); if (stmt != null) stmt.close(); } catch (SQLException e) { USFEnv.getLog().writeCrit("Unable to close the resultset/statement", this, e); } } return bpid; }
/** * This method queries the database to get the name of the Billing System. * * @exception SQLException, if query fails * @author */ public String getBlgsysnm(String blgsys) { String query; String blgsysnm = ""; PreparedStatement pstmt = null; ResultSet rs = null; query = "select bs_nm from blg_sys where bs_id = ?"; USFEnv.getLog().writeDebug("Dinvjrnl: Billing System Name Query :" + query, this, null); try { pstmt = conn.prepareStatement(query); pstmt.setString(1, blgsys); rs = pstmt.executeQuery(); if (rs.next()) { blgsysnm = rs.getString(1); } if (rs != null) rs.close(); if (pstmt != null) pstmt.close(); } catch (SQLException ex) { USFEnv.getLog().writeCrit("Dinvjrnl: Billing System Name not Retreived ", this, ex); try { if (rs != null) rs.close(); if (pstmt != null) pstmt.close(); } catch (SQLException e) { USFEnv.getLog().writeCrit("Unable to close the resultset/prepare statement", this, e); } } return blgsysnm; }
private static void dropCourse(Connection conn, String stu_no) throws SQLException { String cno = readEntry("Course number: "); String sno = readEntry("Section number : "); String chks = "SELECT g.Section_identifier FROM SECTION s, GRADE_REPORT g where s.Section_identifier=g.Section_identifier AND s.Course_number='" + cno + "' AND g.Section_identifier=" + sno + " AND s.Semester='Spring' AND s.Year=TO_DATE('2007','YYYY') AND g.Student_number=" + stu_no; Statement s3 = conn.createStatement(); ResultSet r3 = s3.executeQuery(chks); if (r3.next()) { String del = "DELETE FROM GRADE_REPORT WHERE Student_number=" + stu_no + " AND Section_identifier=" + sno; Statement s4 = conn.createStatement(); try { s4.executeUpdate(del); System.out.println("Course dropped"); } catch (SQLException e) { System.out.println("Cannot drop a course from table"); } } else { System.out.println("Enrollment data not found. Check the input and try again."); } }
/** * Deletes students who are older than a certain number of years and not registered to any course. * * @param year students older than year are candidates to be deleted * @throws InvalidDBRequestException */ public void deleteOldStudent(int year) throws InvalidDBRequestException { try { Class.forName(GaigsServer.DBDRIVER); db = DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD); Statement stmt = db.createStatement(); // query all student who have been in the database longer than a number of years and not // registered to any course ResultSet rs = stmt.executeQuery( "select login, count(course_id) " + "from student s left join courseRoster r on login = user_login " + "where date_entered < SUBDATE(now(), INTERVAL " + new String().valueOf(year).trim() + " YEAR) " + "group by login, date_entered"); // delete them while (rs.next()) if (rs.getInt(2) == 0) purgeStudent(rs.getString(1).trim()); rs.close(); stmt.close(); db.close(); } catch (SQLException e) { System.err.println("Invalid SQL in addCourse: " + e.getMessage()); throw new InvalidDBRequestException("??? "); } catch (ClassNotFoundException e) { System.err.println("Driver Not Loaded"); throw new InvalidDBRequestException("Internal Server Error"); } }
/** * Check the user's name and password and verify that the user is an instructor. Throws * InvalidDBRequestException if user is not an instructor, wrong password, or if any error occured * to the database connection. * * @param name user's user name * @param pass user's password * @throws InvalidDBRequestException */ public void instructorLogin(String name, String pass) throws InvalidDBRequestException { try { Connection db; Class.forName(GaigsServer.DBDRIVER); db = DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD); Statement stmt = db.createStatement(); ResultSet rs; // check if instructor rs = stmt.executeQuery("select password from instructor where login = '******'"); if (!rs.next()) { if (debug) System.out.println("User not found in the instructor table"); throw new InvalidDBRequestException("Instructor not registered"); } // check password if (!rs.getString(1).equals(pass)) { if (debug) System.out.println("Invalid password for user: "******"Invalid password for user: "******"Invalid SQL in instructor login: "******"???"); } catch (ClassNotFoundException e) { System.err.println("Driver Not Loaded"); throw new InvalidDBRequestException("Server Error"); } }
// execute and get results private void execute(Connection conn, String text, Writer writer, boolean commaSeparator) throws SQLException { BufferedWriter buffer = new BufferedWriter(writer); Statement stmt = conn.createStatement(); stmt.execute(text); ResultSet rs = stmt.getResultSet(); ResultSetMetaData metadata = rs.getMetaData(); int nbCols = metadata.getColumnCount(); String[] labels = new String[nbCols]; int[] colwidths = new int[nbCols]; int[] colpos = new int[nbCols]; int linewidth = 1; // read each occurrence try { while (rs.next()) { for (int i = 0; i < nbCols; i++) { Object value = rs.getObject(i + 1); if (value != null) { buffer.write(value.toString()); if (commaSeparator) buffer.write(","); } } } buffer.flush(); rs.close(); } catch (IOException ex) { if (Debug.isDebug()) ex.printStackTrace(); // ok, exit from the loop } catch (SQLException ex) { if (Debug.isDebug()) ex.printStackTrace(); } }
/** * 使用 ResultSet 中的第 i 行给 Schema 赋值 * * @param: rs ResultSet * @param: i int * @return: boolean */ public boolean setSchema(ResultSet rs, int i) { try { // rs.absolute(i); // 非滚动游标 if (rs.getString("CalCode") == null) this.calCode = null; else this.calCode = rs.getString("CalCode").trim(); if (rs.getString("RiskCode") == null) this.riskCode = null; else this.riskCode = rs.getString("RiskCode").trim(); if (rs.getString("Type") == null) this.type = null; else this.type = rs.getString("Type").trim(); if (rs.getString("CalSQL") == null) this.calSQL = null; else this.calSQL = rs.getString("CalSQL").trim(); if (rs.getString("Remark") == null) this.remark = null; else this.remark = rs.getString("Remark").trim(); } catch (SQLException sqle) { System.out.println( "数据库中的LEPCalMode表字段个数和Schema中的字段个数不一致,或者执行db.executeQuery查询时没有使用select * from tables"); // @@错误处理 CError tError = new CError(); tError.moduleName = "LEPCalModeSchema"; tError.functionName = "setSchema"; tError.errorMessage = sqle.toString(); this.mErrors.addOneError(tError); return false; } return true; }
static void task1() throws FileNotFoundException, IOException, SQLException { // Read Input System.out.println("Task1 Started..."); BufferedReader br = new BufferedReader(new FileReader(inputFile)); br.readLine(); String task1Input = br.readLine(); br.close(); double supportPercent = Double.parseDouble(task1Input.split(":")[1].split("=")[1].split("%")[0].trim()); if (supportPercent >= 0) { System.out.println("Task1 Support Percent :" + supportPercent); // Prepare query String task1Sql = "select temp.iname,(temp.counttrans/temp2.uniquetrans)*100 as percent" + " from (select i.itemname iname,count(t.transid) counttrans from trans t, items i" + " where i.itemid = t.itemid group by i.itemname having count(t.transid)>=(select count(distinct transid)*" + supportPercent / 100 + " from trans)" + ") temp , (select count(distinct transid) uniquetrans from trans) temp2 order by percent"; PreparedStatement selTask1 = con.prepareStatement(task1Sql); ResultSet rsTask1 = selTask1.executeQuery(); BufferedWriter bw = new BufferedWriter(new FileWriter("system.out.1")); while (rsTask1.next()) { bw.write("{" + rsTask1.getString(1) + "}, s=" + rsTask1.getDouble(2) + "%"); bw.newLine(); } rsTask1.close(); bw.close(); System.out.println("Task1 Completed...\n"); } else System.out.println("Support percent should be a positive number"); }
private synchronized void init() throws SQLException { if (isClosed) return; // do tables exists? Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery(TABLE_NAMES_SELECT_STMT); ArrayList<String> missingTables = new ArrayList(TABLES.keySet()); while (rs.next()) { String tableName = rs.getString("name"); missingTables.remove(tableName); } for (String missingTable : missingTables) { try { Statement createStmt = conn.createStatement(); // System.out.println("Adding table "+ missingTable); createStmt.executeUpdate(TABLES.get(missingTable)); createStmt.close(); } catch (Exception e) { System.err.println(e.getClass().getName() + ": " + e.getMessage()); } } }
public void actionPerformed(ActionEvent evt) { // 删除原来的JTable(JTable使用scrollPane来包装) if (scrollPane != null) { jf.remove(scrollPane); } try ( // 根据用户输入的SQL执行查询 ResultSet rs = stmt.executeQuery(sqlField.getText())) { // 取出ResultSet的MetaData ResultSetMetaData rsmd = rs.getMetaData(); Vector<String> columnNames = new Vector<>(); Vector<Vector<String>> data = new Vector<>(); // 把ResultSet的所有列名添加到Vector里 for (int i = 0; i < rsmd.getColumnCount(); i++) { columnNames.add(rsmd.getColumnName(i + 1)); } // 把ResultSet的所有记录添加到Vector里 while (rs.next()) { Vector<String> v = new Vector<>(); for (int i = 0; i < rsmd.getColumnCount(); i++) { v.add(rs.getString(i + 1)); } data.add(v); } // 创建新的JTable JTable table = new JTable(data, columnNames); scrollPane = new JScrollPane(table); // 添加新的Table jf.add(scrollPane); // 更新主窗口 jf.validate(); } catch (Exception e) { e.printStackTrace(); } }
/** * Deletes an instructor from the database. Deletes the instructor's courses by invoking the * deleteCourse method. Throws InvalidDBRequestException if instructor not in the database or * other database connection problems. * * @see deleteCourse * @param instructor instructor's user name * @throws InvalidDBRequestException */ public void deleteInstructor(String instructor) throws InvalidDBRequestException { try { Class.forName(GaigsServer.DBDRIVER); db = DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD); Statement stmt = db.createStatement(); int count; // delete the instructor's courses ResultSet rs = stmt.executeQuery( "select course_num from course where instructor = '" + instructor + "'"); while (rs.next()) deleteCourse(rs.getString(1).trim(), instructor); // delete the instructor's record count = stmt.executeUpdate("delete from instructor where login ='******'"); rs.close(); stmt.close(); db.close(); } catch (SQLException e) { System.err.println("Invalid SQL in addCourse: " + e.getMessage()); throw new InvalidDBRequestException("??? "); } catch (ClassNotFoundException e) { System.err.println("Driver Not Loaded"); throw new InvalidDBRequestException("Internal Server Error"); } }
private static void addCourse(Connection conn, String stu_no) throws SQLException { String cno = readEntry("Course number : "); String sno = readEntry("Section number : "); String course_query = "SELECT Section_identifier FROM SECTION WHERE Section_identifier=" + sno + " AND Course_number='" + cno + "' AND Semester='Spring' AND YEAR=TO_DATE('2007','YYYY')"; // System.out.println(course_query); Statement s1 = conn.createStatement(); ResultSet r1 = s1.executeQuery(course_query); if (r1.next()) { String addc = "INSERT INTO GRADE_REPORT (Student_number, Section_identifier, Grade) VALUES (" + stu_no + ", " + sno + ", 'NULL')"; Statement s2 = conn.createStatement(); System.out.println(addc); try { s2.executeUpdate(addc); System.out.println("Enrollment successfull"); } catch (SQLException e) { System.out.println("Cannot add course into table"); } } else { System.out.println("Course not found"); } s1.close(); }
/** * Gets a list of courses that belongs to an instructor. Throws InvalidDBRequestException if any * error occured to the database connection. * * @param name the instructor's user name * @return a vector containing the list of courses * @throws InvalidDBRequestException */ public Vector getCourseList(String name) throws InvalidDBRequestException { Vector courseList = new Vector(); try { Connection db; Class.forName(GaigsServer.DBDRIVER); db = DriverManager.getConnection(GaigsServer.DBURL, GaigsServer.DBLOGIN, GaigsServer.DBPASSWD); Statement stmt = db.createStatement(); ResultSet rs; // get the course list rs = stmt.executeQuery( "select course_num, course_name from course where instructor = '" + name + "' order by course_num"); while (rs.next()) courseList.add(rs.getString(1) + " - " + rs.getString(2)); rs.close(); stmt.close(); db.close(); } catch (SQLException e) { System.err.println("Invalid SQL in getCourseList: " + e.getMessage()); throw new InvalidDBRequestException("???"); } catch (ClassNotFoundException e) { System.err.println("Driver Not Loaded"); throw new InvalidDBRequestException("Server Error"); } return courseList; }
/** * This method queries the database to get the list of the Billing Systems. * * @exception SQLException, if query fails * @author */ public Vector getYears(String year) { String query; Vector years = new Vector(); PreparedStatement pstmt = null; ResultSet rs = null; query = "select yr||'-'||(yr+1),yr from fung_yr where yr > ?"; try { pstmt = conn.prepareStatement(query); pstmt.setString(1, year); rs = pstmt.executeQuery(); while (rs.next()) { years.addElement(rs.getString(1)); years.addElement(rs.getString(2)); } if (rs != null) rs.close(); if (pstmt != null) pstmt.close(); } catch (SQLException ex) { USFEnv.getLog().writeCrit("Dinvjrnl: Years List not Retreived ", this, ex); try { if (rs != null) rs.close(); if (pstmt != null) pstmt.close(); } catch (SQLException e) { USFEnv.getLog().writeCrit("Unable to close the resultset/prepared statement", this, e); } } return years; }
/** * 使用 ResultSet 中的第 i 行给 Schema 赋值 * * @param: rs ResultSet * @param: i int * @return: boolean */ public boolean setSchema(ResultSet rs, int i) { try { // rs.absolute(i); // 非滚动游标 if (rs.getString("RiskCode") == null) this.riskCode = null; else this.riskCode = rs.getString("RiskCode").trim(); if (rs.getString("RiskVer") == null) this.riskVer = null; else this.riskVer = rs.getString("RiskVer").trim(); if (rs.getString("DutyCode") == null) this.dutyCode = null; else this.dutyCode = rs.getString("DutyCode").trim(); if (rs.getString("ChoFlag") == null) this.choFlag = null; else this.choFlag = rs.getString("ChoFlag").trim(); if (rs.getString("SpecFlag") == null) this.specFlag = null; else this.specFlag = rs.getString("SpecFlag").trim(); } catch (SQLException sqle) { System.out.println( "数据库中的LEPRiskDuty表字段个数和Schema中的字段个数不一致,或者执行db.executeQuery查询时没有使用select * from tables"); // @@错误处理 CError tError = new CError(); tError.moduleName = "LEPRiskDutySchema"; tError.functionName = "setSchema"; tError.errorMessage = sqle.toString(); this.mErrors.addOneError(tError); return false; } return true; }
public void setQuery(String q) { cache = new Vector(); try { ResultSet rs = statement.executeQuery(q); ResultSetMetaData meta = rs.getMetaData(); colCount = meta.getColumnCount(); headers = new String[colCount]; for (int h = 1; h <= colCount; h++) { headers[h - 1] = meta.getColumnName(h); } while (rs.next()) { String[] record = new String[colCount]; for (int i = 0; i < colCount; i++) { record[i] = rs.getString(i + 1); } cache.addElement(record); } // while sonu fireTableChanged(null); } // try sonu catch (Exception e) { cache = new Vector(); e.printStackTrace(); } } // setQuery sonu
public String checkValidLogin(String myUserName, String myPW) { try { Class.forName(javaSQLDriverPath); Connection conn = (Connection) DriverManager.getConnection(ConnectionPath, ConnectionUser, ConnectionPW); Statement st = conn.createStatement(); String query = "Select * from User"; ResultSet rs = st.executeQuery(query); while (rs.next()) { // return rs.getString("Username"); if (myUserName.equals(rs.getString("Username"))) { if (myPW.equals(rs.getString("Password"))) { setUserVariables(myUserName); return "success"; } else { return "wrongPassword"; } } } rs.close(); st.close(); conn.close(); return "userNotFound"; } catch (Exception e) { return e.getMessage(); } }
private boolean login(String[] part) { ResultSet rs = null; try { rs = beanOracle.selection("PASSWORD", "UTILISATEURS", "LOGIN = '******'"); } catch (SQLException e) { System.err.println(e.getStackTrace()); } String pwd = null; try { if (!rs.next()) { SendMsg("ERR#Login invalide"); } else pwd = rs.getString("PASSWORD"); } catch (SQLException ex) { System.err.println(ex.getStackTrace()); } if (pwd.equals(part[2])) { SendMsg("ACK"); return true; } else SendMsg("ERR#Mot de passe incorrecte"); return false; }
public MetadataBlob[] select(String selectString) { PreparedStatement stmt = null; try { stmt = conn.prepareStatement( "select writingKey, mapkey, blobdata from metadatablobs " + selectString + ";"); ResultSet rs = stmt.executeQuery(); List<MetadataBlob> list = new ArrayList<MetadataBlob>(); while (rs.next()) { MetadataBlob f = new MetadataBlob( rs.getString("writingkey"), rs.getString("mapkey"), rs.getString("blobdata")); list.add(f); } return list.toArray(new MetadataBlob[0]); } catch (SQLException sqe) { System.err.println("Error selecting: " + selectString); sqe.printStackTrace(); return null; } finally { if (stmt != null) try { stmt.close(); } catch (SQLException sqe2) { sqe2.printStackTrace(); } } }
/* to search the DB table for req. video*/ boolean search(String file) { boolean found = false; Connection con = null; String url = "jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)}; DBQ=D://db.mdb; DriverID=22;READONLY=true;"; try { con = DriverManager.getConnection(url, "", ""); try { Statement st = con.createStatement(); ResultSet rs = st.executeQuery("SELECT video FROM p3"); while (rs.next()) { String colvalue = rs.getString("video"); if (colvalue.equalsIgnoreCase(file)) found = true; } } catch (SQLException s) { System.out.println("SQL statement is not executed!"); } } catch (Exception e) { System.out.println(e); } return found; }
public void deleteOption(String modelName, String optionSetName, String option) { try { int autoid = 0; String sql = "select id from automobile where name ='" + modelName + "';"; ResultSet rs; rs = statement.executeQuery(sql); while (rs.next()) { autoid = rs.getInt("id"); // get auto_id } int opsid = 0; sql = "select id from optionset where name ='" + optionSetName + "' and auto_id= " + autoid + ";"; rs = statement.executeQuery(sql); while (rs.next()) { opsid = rs.getInt("id"); // get option_id } sql = "delete from options where name= '" + option + "' and option_id= " + opsid; statement.executeUpdate(sql); // delete it using name and option_id } catch (SQLException e) { e.printStackTrace(); } }
public void updateOptionPrice( String modelName, String optionSetName, String optionName, float newPrice) { try { int autoid = 0; String sql = "select id from automobile where name ='" + modelName + "';"; ResultSet rs = statement.executeQuery(sql); while (rs.next()) { autoid = rs.getInt("id"); // get auto_id } int opsid = 0; sql = "select id from optionset where name ='" + optionSetName + "' and auto_id= " + autoid + ";"; rs = statement.executeQuery(sql); while (rs.next()) { opsid = rs.getInt("id"); // get option_id } sql = "update options set price = " + newPrice + " where name= '" + optionName + "' and option_id= " + opsid + ";"; statement.executeUpdate(sql); // update it with name and option_id } catch (SQLException e) { e.printStackTrace(); } }
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { PrintWriter writer = response.getWriter(); HttpSession session = request.getSession(); String username = request.getParameter("username"); String password = request.getParameter("password"); String type = request.getParameter("type"); System.out.println(username + password + type); session.setAttribute("user", username); try { writer.println("<html>"); writer.println("<body bgcolor=green>"); writer.println("<center>"); ps.setString(1, username); ps.setString(2, password); ps.setString(3, type); ResultSet rs = ps.executeQuery(); if (rs.next()) { writer.println("<h1>LOGIN SUCCESSFUL</h1><br><br>"); writer.println("<a href=account.html>click here to see your account</a>"); } else { writer.println("<h1>LOGIN FAILED</h1><br><br>"); writer.println("<a href=login.html>click here to login again</a>"); } writer.println("</center>"); writer.println("</body>"); writer.println("</html>"); } catch (Exception e) { e.printStackTrace(); } }
public List<Empleado> getAllEmpleados() { List ll = new LinkedList(); Statement st; ResultSet rs; String url = "jdbc:mysql://localhost:3306/food"; String user = "******"; String pass = "******"; String driver = "com.mysql.jdbc.Driver"; try (Connection connection = DriverManager.getConnection(url, user, pass)) { Class.forName(driver); st = connection.createStatement(); String recordQuery = ("Select * from empleados"); rs = st.executeQuery(recordQuery); while (rs.next()) { Integer id = rs.getInt("idEmpleados"); String name = rs.getString("Nombre"); String telf = rs.getString("Telefono"); ll.add(new Empleado(id, name, telf)); /// System.out.println(id +","+ name +","+ apellido +","+ cedula +","+ telf +" // "+direccion+""); } } catch (ClassNotFoundException | SQLException ex) { Logger.getLogger(MenuEmpleados.class.getName()).log(Level.SEVERE, null, ex); } return ll; }