Example usage for java.sql ResultSet next

List of usage examples for java.sql ResultSet next

  1. HOME
  2. Java
  3. java
  4. java.sql.*
  5. ResultSet
  6. next

Introduction

In this page you can find the example usage for java.sql ResultSet next.

Prototype

boolean next() throws SQLException;

Source Link

Document

Moves the cursor forward one row from its current position.

Usage

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 privileges = null;
    DatabaseMetaData meta = conn.getMetaData();
    // The '_' character represents any single character.
    // The '%' character represents any sequence of zero
    // or more characters.
    privileges = meta.getColumnPrivileges(conn.getCatalog(), null, "survey", "%");
    while (privileges.next()) {

        String catalog = privileges.getString("TABLE_CAT");
        String schema = privileges.getString("TABLE_SCHEM");
        String tableName = privileges.getString("TABLE_NAME");
        String dbColumn = privileges.getString("COLUMN_NAME");
        String privilege = privileges.getString("PRIVILEGE");
        String grantor = privileges.getString("GRANTOR");
        String grantee = privileges.getString("GRANTEE");
        String isGrantable = privileges.getString("IS_GRANTABLE");

        System.out.println("table name:" + tableName);
        System.out.println("catalog:" + catalog);
        System.out.println("column:" + dbColumn);
        System.out.println("schema:" + schema);
        System.out.println("privilege:" + privilege);
        System.out.println("grantor:" + grantor);
        System.out.println("isGrantable:" + isGrantable);
        System.out.println("grantee:" + grantee);
    }/*from  w  w  w .j  av  a  2  s .co  m*/

    st.close();
    conn.close();
}

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 indexInformation = null;
    DatabaseMetaData meta = conn.getMetaData();

    // The '_' character represents any single character.
    // The '%' character represents any sequence of zero
    // or more characters.
    indexInformation = meta.getIndexInfo(conn.getCatalog(), null, "survey", true, true);
    while (indexInformation.next()) {
        short type = indexInformation.getShort("TYPE");
        switch (type) {
        case DatabaseMetaData.tableIndexClustered:
            System.out.println("tableIndexClustered");
        case DatabaseMetaData.tableIndexHashed:
            System.out.println("tableIndexHashed");
        case DatabaseMetaData.tableIndexOther:
            System.out.println("tableIndexOther");
        case DatabaseMetaData.tableIndexStatistic:
            System.out.println("tableIndexStatistic");
        default:/*from   w  ww. j  a  va  2 s  . c  om*/
            System.out.println("tableIndexOther");
        }

    }

    st.close();
    conn.close();
}

From source file:Main.java

public static void main(String[] args) throws Exception {

    // Get warnings on ResultSet object
    ResultSet rs = null;
    Connection conn = null;// ww  w.  j av  a2s .  c  o m
    Statement stmt = null;
    try {
        conn = getConnection(); // get a java.sql.Connection object
        stmt = conn.createStatement(); // create a statement
        // get a result set
        String sqlQuery = "select id, name from employees";
        rs = stmt.executeQuery(sqlQuery);
        while (rs.next()) {
            // use result set
            // 
            // get warnings on the current row of the ResultSet object
            SQLWarning warning = rs.getWarnings();
            if (warning != null) {
                // process result set warnings
            }
        }
    } catch (SQLException e) {
        // ignore the exception
    } finally {
        // close JDBC resources: ResultSet, Statement, Connection
    }

}

From source file:Main.java

public static void main(String[] args) throws Exception {

    Class.forName(DRIVER);//from  w  ww .ja  v  a2 s  .c o  m
    Connection connection = DriverManager.getConnection(URL, USERNAME, PASSWORD);

    Statement statement = connection.createStatement();
    ResultSet resultSet = statement.executeQuery("SELECT * FROM users");

    ResultSetMetaData metadata = resultSet.getMetaData();
    int columnCount = metadata.getColumnCount();

    ArrayList<String> columns = new ArrayList<String>();
    for (int i = 1; i < columnCount; i++) {
        String columnName = metadata.getColumnName(i);
        columns.add(columnName);
    }

    while (resultSet.next()) {
        for (String columnName : columns) {
            String value = resultSet.getString(columnName);
            System.out.println(columnName + " = " + value);
        }
    }
}

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 indexInformation = null;
    DatabaseMetaData meta = conn.getMetaData();

    // The '_' character represents any single character.
    // The '%' character represents any sequence of zero
    // or more characters.
    indexInformation = meta.getIndexInfo(conn.getCatalog(), null, "survey", true, true);
    while (indexInformation.next()) {
        String dbCatalog = indexInformation.getString("TABLE_CATALOG");
        String dbSchema = indexInformation.getString("TABLE_SCHEMA");
        String dbTableName = indexInformation.getString("TABLE_NAME");
        boolean dbNoneUnique = indexInformation.getBoolean("NON_UNIQUE");
        String dbIndexQualifier = indexInformation.getString("INDEX_QUALIFIER");
        String dbIndexName = indexInformation.getString("INDEX_NAME");
        short dbType = indexInformation.getShort("TYPE");
        short dbOrdinalPosition = indexInformation.getShort("ORDINAL_POSITION");
        String dbColumnName = indexInformation.getString("COLUMN_NAME");
        String dbAscOrDesc = indexInformation.getString("ASC_OR_DESC");
        int dbCardinality = indexInformation.getInt("CARDINALITY");
        int dbPages = indexInformation.getInt("PAGES");
        String dbFilterCondition = indexInformation.getString("FILTER_CONDITION");

        System.out.println("index name=" + dbIndexName);
        System.out.println("table=" + dbTableName);
        System.out.println("column=" + dbColumnName);
        System.out.println("catalog=" + dbCatalog);
        System.out.println("schema=" + dbSchema);
        System.out.println("nonUnique=" + dbNoneUnique);
        System.out.println("indexQualifier=" + dbIndexQualifier);
        System.out.println("type=" + dbType);
        System.out.println("ordinalPosition=" + dbOrdinalPosition);
        System.out.println("ascendingOrDescending=" + dbAscOrDesc);
        System.out.println("cardinality=" + dbCardinality);
        System.out.println("pages=" + dbPages);
        System.out.println("filterCondition=" + dbFilterCondition);
    }/*from w ww  .  jav a2s  .  co  m*/

    st.close();
    conn.close();
}

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 rs = null;
    DatabaseMetaData meta = conn.getMetaData();
    // The Oracle database stores its table names as Upper-Case,
    // if you pass a table name in lowercase characters, it will not work.
    // MySQL database does not care if table name is uppercase/lowercase.
    ////from ww w  .  j  ava2s.  c  o m
    rs = meta.getImportedKeys(conn.getCatalog(), null, "survey");
    while (rs.next()) {
        String fkTableName = rs.getString("FKTABLE_NAME");
        String fkColumnName = rs.getString("FKCOLUMN_NAME");
        int fkSequence = rs.getInt("KEY_SEQ");
        System.out.println("getExportedKeys(): fkTableName=" + fkTableName);
        System.out.println("getExportedKeys(): fkColumnName=" + fkColumnName);
        System.out.println("getExportedKeys(): fkSequence=" + fkSequence);
    }

    st.close();
    conn.close();
}

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 rs = null;
    DatabaseMetaData meta = conn.getMetaData();
    // The Oracle database stores its table names as Upper-Case,
    // if you pass a table name in lowercase characters, it will not work.
    // MySQL database does not care if table name is uppercase/lowercase.
    ///*from  w ww.j a v a 2  s  .  c o  m*/
    rs = meta.getExportedKeys(conn.getCatalog(), null, "survey");
    while (rs.next()) {
        String fkTableName = rs.getString("FKTABLE_NAME");
        String fkColumnName = rs.getString("FKCOLUMN_NAME");
        int fkSequence = rs.getInt("KEY_SEQ");
        System.out.println("getExportedKeys(): fkTableName=" + fkTableName);
        System.out.println("getExportedKeys(): fkColumnName=" + fkColumnName);
        System.out.println("getExportedKeys(): fkSequence=" + fkSequence);
    }

    st.close();
    conn.close();
}

From source file:InsertStores.java

public static void main(String args[]) {

    String url = "jdbc:mySubprotocol:myDataSource";
    Connection con;/* w  ww  . j ava  2  s .  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:DemoPreparedStatementSetClob.java

public static void main(String[] args) throws Exception {
    String id = "0001";
    String newID = "0002";

    ResultSet rs = null;
    Connection conn = null;/*from   w  w  w. j a  v  a2  s . c  o  m*/
    PreparedStatement pstmt = null;
    try {
        conn = getConnection();
        // begin transaction
        conn.setAutoCommit(false);
        String query1 = "select clob_column from clob_table where id = ?";
        pstmt = conn.prepareStatement(query1);
        pstmt.setString(1, id);
        rs = pstmt.executeQuery();
        rs.next();
        java.sql.Clob clob = (java.sql.Clob) rs.getObject(1);
        String query = "insert into clob_table(id, clob_column) values(?, ?)";
        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, newID);
        pstmt.setClob(2, clob);

        int rowCount = pstmt.executeUpdate();
        System.out.println("rowCount=" + rowCount);
        conn.commit();
    } finally {
        rs.close();
        pstmt.close();
        conn.close();
    }
}

From source file:DemoPreparedStatementSetClob.java

public static void main(String[] args) throws Exception {
    String id = "0001";
    String newID = "0002";

    ResultSet rs = null;
    Connection conn = null;//from ww w  .ja va 2 s  .c o m
    PreparedStatement pstmt = null;
    try {
        conn = getConnection();
        // begin transaction
        conn.setAutoCommit(false);
        String query1 = "select clob_column from clob_table where id = ?";
        pstmt = conn.prepareStatement(query1);
        pstmt.setString(1, id);
        rs = pstmt.executeQuery();
        rs.next();
        java.sql.Clob clob = (java.sql.Clob) rs.getObject(1);
        String query = "insert into clob_table(id, clob_column) values(?, ?)";
        pstmt = conn.prepareStatement(query);
        pstmt.setString(1, newID);
        pstmt.setClob(2, clob);

        // execute query, and return number of rows created
        int rowCount = pstmt.executeUpdate();
        System.out.println("rowCount=" + rowCount);
        // end transaction
        conn.commit();
    } finally {
        rs.close();
        pstmt.close();
        conn.close();
    }
}