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  1. #1
    Join Date
    Dec 2011
    Rep Power

    Default Not able to retrieve primary key generated during insertion of row.


    I'm trying to get the primary key generated using ResultSet.getGeneratedKeys() method on Oracle 11g using JDBC code. I tried ojdbc14.jar and oddbc6.jars but still getting exception as given below:

    java.sql.SQLException: Invalid column type: getLong not implemented for class oracle.jdbc.driver.T4CRowidAccessor
    at oracle.jdbc.driver.DatabaseError.throwSqlException (
    at oracle.jdbc.driver.DatabaseError.throwSqlException (
    at oracle.jdbc.driver.Accessor.unimpl( 58)
    at oracle.jdbc.driver.Accessor.getLong( 496)
    at oracle.jdbc.driver.OracleReturnResultSet.getLong(O

    The code snippet is as follows:

    connection = DriverManager.getConnection(DB_URL,USER,PASS);

    ResultSet rs = ps.getGeneratedKeys();
    if ( {
    long newId = rs.getLong(1);

    Please let me know if I'm missing out something or give any pointers for the issue.

  2. #2
    doWhile is offline Moderator
    Join Date
    Jul 2010
    Rep Power

    Default Re: Not able to retrieve primary key generated during insertion of row.

    a) Is the data type you are accessing a long type? It seems, based upon the exception, the driver you are using does not support the getLong method...have you tried others? b) Do you pass the Statement.RETURN_GENERATED_KEYS flag when creating the Statement (or, I presume, the PreparedStatement)?

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