>I got this:
>
>"The query processor ran out of internal resources and could not produce a query plan. This is a rare event and only expected for extremely complex queries or queries that reference a very large number of tables or partitions. Please simplify the query. If you believe you have received this message in error, contact Customer Support Services for more information."
>
>This came after having created a very long command which includes the IN clauses with thousands of primary keys.
>
>I just had 38026 primary keys in that one. :)

bad development. You had to put these primary keys into a temporary table and use this temporary table for filtering...