CallableStatementWrapper.java 文件源码

public Clob getClob(String parameterName) throws SQLException {
    try {
        if (this.wrappedStmt != null) {
            return ((CallableStatement) this.wrappedStmt).getClob(parameterName);
        }
        throw SQLError.createSQLException("No operations allowed after statement closed", SQLError.SQL_STATE_GENERAL_ERROR, this.exceptionInterceptor);

    } catch (SQLException sqlEx) {
        checkAndFireConnectionError(sqlEx);
    }
    return null;
}