PreparedStatement IN clause alternatives?

Question

What are the best workarounds for using a SQL IN clause with instances of java.sql.PreparedStatement, which is not supported for multiple values du

Answer 1

There are different alternative approaches that we can use for IN clause in PreparedStatement.

1. Using Single Queries - slowest performance and resource intensive
2. Using StoredProcedure - Fastest but database specific
3. Creating dynamic query for PreparedStatement - Good Performance but doesn't get benefit of caching and PreparedStatement is recompiled every time.

4. Use NULL in PreparedStatement queries - Optimal performance, works great when you know the limit of IN clause arguments. If there is no limit, then you can execute queries in batch. Sample code snippet is;

       int i = 1;
       for(; i <=ids.length; i++){
           ps.setInt(i, ids[i-1]);
       }
   
       //set null for remaining ones
       for(; i<=PARAM_SIZE;i++){
           ps.setNull(i, java.sql.Types.INTEGER);
       }
   

You can check more details about these alternative approaches here.