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> import java.util.Collection;
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>     private static final int LOAD_ROSTER_ITEM_GROUPS_CHUNK_SIZE = 1000;
270,281c272,291
<                 StringBuilder sb = new StringBuilder(100);
<                 sb.append(LOAD_ROSTER_ITEM_GROUPS).append(" WHERE rosterID IN (");
<                 for (RosterItem item : itemList) {
<                     sb.append(item.getID()).append(",");
<                 }
<                 sb.setLength(sb.length()-1);
<                 sb.append(") ORDER BY rosterID, rank");
<                 pstmt = con.prepareStatement(sb.toString());
<                 rs = pstmt.executeQuery();
<                 while (rs.next()) {
<                     itemsByID.get(rs.getLong(1)).getGroups().add(rs.getString(2));
<                 }
---
>             	
>             	// If we have more than 1000 groups in our roster, we will issue multiple selects
>             	// to avoid being hit by database limits such as ORA-1795, which limits IN clauses to 
>             	// 1,000 terms
>             	int numberOfChunks = (itemList.size()+LOAD_ROSTER_ITEM_GROUPS_CHUNK_SIZE-1)/LOAD_ROSTER_ITEM_GROUPS_CHUNK_SIZE; //Round-up the number of chunks
>             	for (int chunk=0; chunk < numberOfChunks; chunk++) {
> 	                StringBuilder sb = new StringBuilder(100);
> 	                sb.append(LOAD_ROSTER_ITEM_GROUPS).append(" WHERE rosterID IN (");
> 	                for (int idxInChunk=0; idxInChunk<LOAD_ROSTER_ITEM_GROUPS_CHUNK_SIZE && idxInChunk+chunk*LOAD_ROSTER_ITEM_GROUPS_CHUNK_SIZE< itemList.size(); idxInChunk++) {
> 	                	RosterItem item = itemList.get(idxInChunk+chunk*LOAD_ROSTER_ITEM_GROUPS_CHUNK_SIZE);
> 	                    sb.append(item.getID()).append(",");
> 	                }
> 	                sb.setLength(sb.length()-1);
> 	                sb.append(") ORDER BY rosterID, rank");
> 	                pstmt = con.prepareStatement(sb.toString());
> 	                rs = pstmt.executeQuery();
> 	                while (rs.next()) {
> 	                    itemsByID.get(rs.getLong(1)).getGroups().add(rs.getString(2));
> 	                }
>             	}