Github user rafaelweingartner commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/1593#discussion_r74957023
  
    --- Diff: usage/src/com/cloud/usage/UsageSanityChecker.java ---
    @@ -72,7 +72,9 @@ protected boolean checkItemCountByPstmt(CheckCase 
checkCase) throws SQLException
             try (PreparedStatement pstmt = 
conn.prepareStatement(checkCase.sqlTemplate)) {
                 if(checkCase.checkId) {
                     pstmt.setInt(1, lastId);
    -                pstmt.setInt(2, maxId);
    +                if (maxId > 0) {
    +                    pstmt.setInt(2, maxId);
    --- End diff --
    
    @nvazquez thanks for the explanation. Now I understood it a little bit 
more. These SLQs that are built using if(s)/else(s) and use few methods are a 
bit hard to follow sometimes without debugging it in runtime.
    
    This was my only doubt. So, LGTM here.



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