List of usage examples for java.sql ResultSet getInt
int getInt(String columnLabel) throws SQLException;
ResultSet
object as an int
in the Java programming language. From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); ResultSet rsColumns = null; DatabaseMetaData meta = conn.getMetaData(); rsColumns = meta.getColumns(null, "%", "code", "%"); while (rsColumns.next()) { String columnType = rsColumns.getString("TYPE_NAME"); String columnName = rsColumns.getString("COLUMN_NAME"); int size = rsColumns.getInt("COLUMN_SIZE"); int nullable = rsColumns.getInt("NULLABLE"); int position = rsColumns.getInt("ORDINAL_POSITION"); System.out.println("column name=" + columnName); System.out.println("type=" + columnType); System.out.println("size=" + size); if (nullable == DatabaseMetaData.columnNullable) { System.out.println("nullable is true"); } else {//from ww w. j a v a 2s.c om System.out.println("nullable is false"); } System.out.println("position" + position); } conn.close(); }
From source file:BatchUpdate.java
public static void main(String args[]) throws SQLException { ResultSet rs = null;/*from w w w . ja va 2 s . com*/ PreparedStatement ps = null; String url = "jdbc:mySubprotocol:myDataSource"; Connection con; Statement stmt; try { Class.forName("myDriver.ClassName"); } catch (java.lang.ClassNotFoundException e) { System.err.print("ClassNotFoundException: "); System.err.println(e.getMessage()); } try { con = DriverManager.getConnection(url, "myLogin", "myPassword"); con.setAutoCommit(false); stmt = con.createStatement(); stmt.addBatch("INSERT INTO COFFEES " + "VALUES('Amaretto', 49, 9.99, 0, 0)"); stmt.addBatch("INSERT INTO COFFEES " + "VALUES('Hazelnut', 49, 9.99, 0, 0)"); stmt.addBatch("INSERT INTO COFFEES " + "VALUES('Amaretto_decaf', 49, 10.99, 0, 0)"); stmt.addBatch("INSERT INTO COFFEES " + "VALUES('Hazelnut_decaf', 49, 10.99, 0, 0)"); int[] updateCounts = stmt.executeBatch(); con.commit(); con.setAutoCommit(true); ResultSet uprs = stmt.executeQuery("SELECT * FROM COFFEES"); System.out.println("Table COFFEES after insertion:"); while (uprs.next()) { String name = uprs.getString("COF_NAME"); int id = uprs.getInt("SUP_ID"); float price = uprs.getFloat("PRICE"); int sales = uprs.getInt("SALES"); int total = uprs.getInt("TOTAL"); System.out.print(name + " " + id + " " + price); System.out.println(" " + sales + " " + total); } uprs.close(); stmt.close(); con.close(); } catch (BatchUpdateException b) { System.err.println("-----BatchUpdateException-----"); System.err.println("SQLState: " + b.getSQLState()); System.err.println("Message: " + b.getMessage()); System.err.println("Vendor: " + b.getErrorCode()); System.err.print("Update counts: "); int[] updateCounts = b.getUpdateCounts(); for (int i = 0; i < updateCounts.length; i++) { System.err.print(updateCounts[i] + " "); } System.err.println(""); } catch (SQLException ex) { System.err.println("-----SQLException-----"); System.err.println("SQLState: " + ex.getSQLState()); System.err.println("Message: " + ex.getMessage()); System.err.println("Vendor: " + ex.getErrorCode()); } }
From source file:de.tudarmstadt.ukp.csniper.resbuild.EvaluationItemFixer.java
public static void main(String[] args) { connect(HOST, DATABASE, USER, PASSWORD); Map<Integer, String> items = new HashMap<Integer, String>(); Map<Integer, String> failed = new HashMap<Integer, String>(); // fetch coveredTexts of dubious items and clean it PreparedStatement select = null; try {// w w w . ja v a2 s.c o m StringBuilder selectQuery = new StringBuilder(); selectQuery.append("SELECT * FROM EvaluationItem "); selectQuery.append("WHERE LOCATE(coveredText, ' ') > 0 "); selectQuery.append("OR LOCATE('" + LRB + "', coveredText) > 0 "); selectQuery.append("OR LOCATE('" + RRB + "', coveredText) > 0 "); selectQuery.append("OR LEFT(coveredText, 1) = ' ' "); selectQuery.append("OR RIGHT(coveredText, 1) = ' ' "); select = connection.prepareStatement(selectQuery.toString()); log.info("Running query [" + selectQuery.toString() + "]."); ResultSet rs = select.executeQuery(); while (rs.next()) { int id = rs.getInt("id"); String coveredText = rs.getString("coveredText"); try { // special handling of double whitespace: in this case, re-fetch the text if (coveredText.contains(" ")) { coveredText = retrieveCoveredText(rs.getString("collectionId"), rs.getString("documentId"), rs.getInt("beginOffset"), rs.getInt("endOffset")); } // replace bracket placeholders and trim the text coveredText = StringUtils.replace(coveredText, LRB, "("); coveredText = StringUtils.replace(coveredText, RRB, ")"); coveredText = coveredText.trim(); items.put(id, coveredText); } catch (IllegalArgumentException e) { failed.put(id, e.getMessage()); } } } catch (SQLException e) { log.error("Exception while selecting: " + e.getMessage()); } finally { closeQuietly(select); } // write logs BufferedWriter bwf = null; BufferedWriter bws = null; try { bwf = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File(LOG_FAILED)), "UTF-8")); for (Entry<Integer, String> e : failed.entrySet()) { bwf.write(e.getKey() + " - " + e.getValue() + "\n"); } bws = new BufferedWriter( new OutputStreamWriter(new FileOutputStream(new File(LOG_SUCCESSFUL)), "UTF-8")); for (Entry<Integer, String> e : items.entrySet()) { bws.write(e.getKey() + " - " + e.getValue() + "\n"); } } catch (IOException e) { log.error("Got an IOException while writing the log files."); } finally { IOUtils.closeQuietly(bwf); IOUtils.closeQuietly(bws); } log.info("Texts for [" + items.size() + "] items need to be cleaned up."); // update the dubious items with the cleaned coveredText PreparedStatement update = null; try { String updateQuery = "UPDATE EvaluationItem SET coveredText = ? WHERE id = ?"; update = connection.prepareStatement(updateQuery); int i = 0; for (Entry<Integer, String> e : items.entrySet()) { int id = e.getKey(); String coveredText = e.getValue(); // update item in database update.setString(1, coveredText); update.setInt(2, id); update.executeUpdate(); log.debug("Updating " + id + " with [" + coveredText + "]"); // show percentage of updated items i++; int part = (int) Math.ceil((double) items.size() / 100); if (i % part == 0) { log.info(i / part + "% finished (" + i + "/" + items.size() + ")."); } } } catch (SQLException e) { log.error("Exception while updating: " + e.getMessage()); } finally { closeQuietly(update); } closeQuietly(connection); }
From source file:TypeConcurrency.java
public static void main(String args[]) { String url = "jdbc:mySubprotocol:myDataSource"; Connection con;/* ww w. ja va2s . co m*/ Statement stmt; try { Class.forName("myDriver.ClassName"); } catch (java.lang.ClassNotFoundException e) { System.err.print("ClassNotFoundException: "); System.err.println(e.getMessage()); } try { con = DriverManager.getConnection(url, "myLogin", "myPassword"); stmt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY); ResultSet srs = stmt.executeQuery("SELECT * FROM COFFEES"); int type = srs.getType(); System.out.println("srs is type " + type); int concur = srs.getConcurrency(); System.out.println("srs has concurrency " + concur); while (srs.next()) { String name = srs.getString("COF_NAME"); int id = srs.getInt("SUP_ID"); float price = srs.getFloat("PRICE"); int sales = srs.getInt("SALES"); int total = srs.getInt("TOTAL"); System.out.print(name + " " + id + " " + price); System.out.println(" " + sales + " " + total); } srs.close(); stmt.close(); con.close(); } catch (SQLException ex) { System.err.println("-----SQLException-----"); System.err.println("SQLState: " + ex.getSQLState()); System.err.println("Message: " + ex.getMessage()); System.err.println("Vendor: " + ex.getErrorCode()); } }
From source file:jfutbol.com.jfutbol.GcmSender.java
public static void main(String[] args) { log.info("GCM - Sender running"); do {//w ww. j a va2s . c o m Connection conn = null; Connection conn2 = null; Statement stmt = null; Statement stmt2 = null; try { // STEP 2: Register JDBC driver Class.forName(JDBC_DRIVER); // STEP 3: Open a connection // System.out.println("Connecting to database..."); conn = DriverManager.getConnection(DB_URL, USER, PASS); conn2 = DriverManager.getConnection(DB_URL, USER, PASS); // STEP 4: Execute a query // System.out.println("Creating statement..."); stmt = conn.createStatement(); String sql; sql = "SELECT userId FROM notifications WHERE sentByGCM=0 GROUP BY userId"; ResultSet rs = stmt.executeQuery(sql); // STEP 5: Extract data from result set while (rs.next()) { log.info("Notification found"); int userId = rs.getInt("userId"); stmt2 = conn2.createStatement(); String sql2; sql2 = "SELECT COUNT(id) notificationCounter FROM notifications WHERE status=0 AND userId=" + userId; ResultSet rs2 = stmt2.executeQuery(sql2); int notificationCounter = rs2.getInt("notificationCounter"); rs2.close(); stmt2.close(); // Retrieve by column name // Display values // System.out.print("userId: " + userId); // System.out.print(", notificationCounter: " + // notificationCounter); SendNotification(userId, notificationCounter); } // STEP 6: Clean-up environment rs.close(); stmt.close(); conn.close(); conn2.close(); } catch (SQLException se) { // Handle errors for JDBC log.error(se.getMessage()); se.printStackTrace(); } catch (Exception e) { // Handle errors for Class.forName log.error(e.getMessage()); e.printStackTrace(); } finally { // finally block used to close resources try { if (stmt != null) stmt.close(); } catch (SQLException se2) { log.error(se2.getMessage()); } // nothing we can do try { if (conn != null) conn.close(); } catch (SQLException se) { log.error(se.getMessage()); se.printStackTrace(); } // end finally try } // end try try { Thread.sleep(1000); } catch (InterruptedException e) { log.error(e.getMessage()); e.printStackTrace(); } } while (1 != 0); }
From source file:InsertStores.java
public static void main(String args[]) { String url = "jdbc:mySubprotocol:myDataSource"; Connection con;/*from ww w . j a v a2s.co m*/ Statement stmt; try { Class.forName("myDriver.ClassName"); } catch (java.lang.ClassNotFoundException e) { System.err.print("ClassNotFoundException: "); System.err.println(e.getMessage()); } try { con = DriverManager.getConnection(url, "myLogin", "myPassword"); stmt = con.createStatement(); con.setAutoCommit(false); String insertStore1 = "INSERT INTO STORES VALUES (" + "100001, " + "ADDRESS(888, 'Main_Street', 'Rancho_Alegre', " + "'CA', '94049'), " + "COF_ARRAY('Colombian', 'French_Roast', 'Espresso', " + "'Colombian_Decaf', 'French_Roast_Decaf'), " + "(SELECT OID FROM MANAGERS WHERE MGR_ID = 000001))"; stmt.addBatch(insertStore1); String insertStore2 = "INSERT INTO STORES VALUES (" + "100002, " + "ADDRESS(1560, 'Alder', 'Ochos_Pinos', " + "'CA', '94049'), " + "COF_ARRAY('Colombian', 'French_Roast', 'Espresso', " + "'Colombian_Decaf', 'French_Roast_Decaf', " + "'Kona', 'Kona_Decaf'), " + "(SELECT OID FROM MANAGERS WHERE MGR_ID = 000001))"; stmt.addBatch(insertStore2); String insertStore3 = "INSERT INTO STORES VALUES (" + "100003, " + "ADDRESS(4344, 'First_Street', 'Verona', " + "'CA', '94545'), " + "COF_ARRAY('Colombian', 'French_Roast', 'Espresso', " + "'Colombian_Decaf', 'French_Roast_Decaf', " + "'Kona', 'Kona_Decaf'), " + "(SELECT OID FROM MANAGERS WHERE MGR_ID = 000002))"; stmt.addBatch(insertStore3); String insertStore4 = "INSERT INTO STORES VALUES (" + "100004, " + "ADDRESS(321, 'Sandy_Way', 'La_Playa', " + "'CA', '94544'), " + "COF_ARRAY('Colombian', 'French_Roast', 'Espresso', " + "'Colombian_Decaf', 'French_Roast_Decaf', " + "'Kona', 'Kona_Decaf'), " + "(SELECT OID FROM MANAGERS WHERE MGR_ID = 000002))"; stmt.addBatch(insertStore4); String insertStore5 = "INSERT INTO STORES VALUES (" + "100005, " + "ADDRESS(1000, 'Clover_Road', 'Happyville', " + "'CA', '90566'), " + "COF_ARRAY('Colombian', 'French_Roast', 'Espresso', " + "'Colombian_Decaf', 'French_Roast_Decaf'), " + "(SELECT OID FROM MANAGERS WHERE MGR_ID = 000003))"; stmt.addBatch(insertStore5); int[] updateCounts = stmt.executeBatch(); ResultSet rs = stmt.executeQuery("SELECT * FROM STORES"); System.out.println("Table STORES after insertion:"); System.out.println("STORE_NO LOCATION COF_TYPE MGR"); while (rs.next()) { int storeNo = rs.getInt("STORE_NO"); Struct location = (Struct) rs.getObject("LOCATION"); Object[] locAttrs = location.getAttributes(); Array coffeeTypes = rs.getArray("COF_TYPE"); String[] cofTypes = (String[]) coffeeTypes.getArray(); Ref managerRef = rs.getRef("MGR"); PreparedStatement pstmt = con.prepareStatement("SELECT MANAGER FROM MANAGERS WHERE OID = ?"); pstmt.setRef(1, managerRef); ResultSet rs2 = pstmt.executeQuery(); rs2.next(); Struct manager = (Struct) rs2.getObject("MANAGER"); Object[] manAttrs = manager.getAttributes(); System.out.print(storeNo + " "); System.out.print(locAttrs[0] + " " + locAttrs[1] + " " + locAttrs[2] + ", " + locAttrs[3] + " " + locAttrs[4] + " "); for (int i = 0; i < cofTypes.length; i++) System.out.print(cofTypes[i] + " "); System.out.println(manAttrs[1] + ", " + manAttrs[2]); rs2.close(); pstmt.close(); } rs.close(); stmt.close(); con.close(); } catch (BatchUpdateException b) { System.err.println("-----BatchUpdateException-----"); System.err.println("SQLState: " + b.getSQLState()); System.err.println("Message: " + b.getMessage()); System.err.println("Vendor: " + b.getErrorCode()); System.err.print("Update counts: "); int[] updateCounts = b.getUpdateCounts(); for (int i = 0; i < updateCounts.length; i++) { System.err.print(updateCounts[i] + " "); } System.err.println(""); } catch (SQLException ex) { System.err.println("SQLException: " + ex.getMessage()); System.err.println("SQLState: " + ex.getSQLState()); System.err.println("Message: " + ex.getMessage()); System.err.println("Vendor: " + ex.getErrorCode()); } }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("drop table survey;"); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); ResultSet rsColumns = null; DatabaseMetaData meta = conn.getMetaData(); rsColumns = meta.getColumns(null, null, "survey", null); while (rsColumns.next()) { String columnName = rsColumns.getString("COLUMN_NAME"); System.out.println("column name=" + columnName); String columnType = rsColumns.getString("TYPE_NAME"); System.out.println("type:" + columnType); int size = rsColumns.getInt("COLUMN_SIZE"); System.out.println("size:" + size); int nullable = rsColumns.getInt("NULLABLE"); if (nullable == DatabaseMetaData.columnNullable) { System.out.println("nullable true"); } else {//w w w. j ava2 s . co m System.out.println("nullable false"); } int position = rsColumns.getInt("ORDINAL_POSITION"); System.out.println("position:" + position); } st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getHSQLConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("create table survey (id int,name varchar);"); st.executeUpdate("create view surveyView as (select * from survey);"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); st.executeUpdate("insert into survey (id,name ) values (2,'anotherValue')"); ResultSet rs = null; PreparedStatement ps = null;//from w ww . j a va 2s .c o m String query = "select id, name from survey where id = ?"; ps = conn.prepareStatement(query); // specify values for all input parameters ps.setInt(1, 001); // set the first parameter: id // now, PreparedStatement object is ready to be executed. rs = ps.executeQuery(); // iterate the result set object while (rs.next()) { int id = rs.getInt(1); String name = rs.getString(2); System.out.println("[id=" + id + "][name=" + name + "]"); } // NOTE: you may use PreparedStatement as many times as you want // here we use it for another set of parameters: ps.setInt(1, 002); // set the first parameter: id // now, PreparedStatement object is ready to be executed. rs = ps.executeQuery(); // iterate the result set object while (rs.next()) { int id = rs.getInt(1); String name = rs.getString(2); System.out.println("[id=" + id + "][name=" + name + "]"); } rs.close(); ps.close(); conn.close(); }
From source file:SelectRecordsUsingPreparedStatement.java
public static void main(String[] args) { ResultSet rs = null; Connection conn = null;//www. jav a 2 s . c o m PreparedStatement pstmt = null; try { conn = getConnection(); String query = "select deptno, deptname, deptloc from dept where deptno > ?"; pstmt = conn.prepareStatement(query); // create a statement pstmt.setInt(1, 1001); // set input parameter rs = pstmt.executeQuery(); // extract data from the ResultSet while (rs.next()) { int dbDeptNumber = rs.getInt(1); String dbDeptName = rs.getString(2); String dbDeptLocation = rs.getString(3); System.out.println(dbDeptNumber + "\t" + dbDeptName + "\t" + dbDeptLocation); } } catch (Exception e) { e.printStackTrace(); } finally { try { rs.close(); pstmt.close(); conn.close(); } catch (SQLException e) { e.printStackTrace(); } } }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("drop table survey;"); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); DatabaseMetaData dbMetaData = conn.getMetaData(); ResultSet rs = dbMetaData.getProcedureColumns(conn.getCatalog(), null, "procedureNamePattern", "columnNamePattern"); while (rs.next()) { // get stored procedure metadata String procedureCatalog = rs.getString(1); String procedureSchema = rs.getString(2); String procedureName = rs.getString(3); String columnName = rs.getString(4); short columnReturn = rs.getShort(5); int columnDataType = rs.getInt(6); String columnReturnTypeName = rs.getString(7); int columnPrecision = rs.getInt(8); int columnByteLength = rs.getInt(9); short columnScale = rs.getShort(10); short columnRadix = rs.getShort(11); short columnNullable = rs.getShort(12); String columnRemarks = rs.getString(13); System.out.println("stored Procedure name=" + procedureName); System.out.println("procedureCatalog=" + procedureCatalog); System.out.println("procedureSchema=" + procedureSchema); System.out.println("procedureName=" + procedureName); System.out.println("columnName=" + columnName); System.out.println("columnReturn=" + columnReturn); System.out.println("columnDataType=" + columnDataType); System.out.println("columnReturnTypeName=" + columnReturnTypeName); System.out.println("columnPrecision=" + columnPrecision); System.out.println("columnByteLength=" + columnByteLength); System.out.println("columnScale=" + columnScale); System.out.println("columnRadix=" + columnRadix); System.out.println("columnNullable=" + columnNullable); System.out.println("columnRemarks=" + columnRemarks); }//from w w w.j a va 2s . c o m st.close(); conn.close(); }