How to use

toBytes

method

in

org.postgresql.util.PGbytea

/**
 * {@inheritDoc}
 *
 * <p>In normal use, the bytes represent the raw values returned by the backend. However, if the
 * column is an OID, then it is assumed to refer to a Large Object, and that object is returned as
 * a byte array.</p>
 *
 * <p><b>Be warned</b> If the large object is huge, then you may run out of memory.</p>
 */
public byte[] getBytes(int columnIndex) throws SQLException {
 connection.getLogger().log(Level.FINEST, "  getBytes columnIndex: {0}", columnIndex);
 checkResultSet(columnIndex);
 if (wasNullFlag) {
  return null;
 }
 if (isBinary(columnIndex)) {
  // If the data is already binary then just return it
  return this_row[columnIndex - 1];
 }
 if (fields[columnIndex - 1].getOID() == Oid.BYTEA) {
  return trimBytes(columnIndex, PGbytea.toBytes(this_row[columnIndex - 1]));
 } else {
  return trimBytes(columnIndex, this_row[columnIndex - 1]);
 }
}

return trimBytes(columnIndex, PGbytea.toBytes(this_row[columnIndex - 1]));

return trimBytes(columnIndex, PGbytea.toBytes(this_row[columnIndex - 1]));

return trimBytes(columnIndex, PGbytea.toBytes(this_row[columnIndex - 1]));