id = UUID.randomUUID().toString();
tempId = TEMP_PREFIX + id;
PreparedStatement prep = conn.executeStmt(selectMetaSQL, new Object[]{tempId});
rs = prep.getResultSet();
if (rs.next()) {
conn.closeSilently(rs);
// re-try in the very, very unlikely event that the row already exists
continue;
}
conn.executeStmt(insertTempSQL, new Object[]{tempId, new Long(now)});
break;