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Oracle’s Interesting Treatment of IN-LISTS

David Fitzjarrell
By David Fitzjarrell

In-lists can be interesting constructs as far as Oracle is concerned. They allow users to return results for a large number of values with the restriction that the list can contain no more than 1000 items. There are, however, ways to get around this restriction and get Oracle to process longer lists. You’ll see this illustrated in this article.

Start by creating and populating a test table:


BLEEBO @ splang > 
BLEEBO @ splang > --
BLEEBO @ splang > -- IN-list operators are restricted to 1000 elements ...
BLEEBO @ splang > -- or are they?
BLEEBO @ splang > --
BLEEBO @ splang > -- Let's look at two examples that allow MORE than 1000
BLEEBO @ splang > -- elements
BLEEBO @ splang > --
BLEEBO @ splang > 
BLEEBO @ splang > --
BLEEBO @ splang > -- Create a table for testing
BLEEBO @ splang > --
BLEEBO @ splang > 
BLEEBO @ splang > create table inlist_test(
  2  inval1  number,
  3  inval2  number,
  4  val2return      varchar2(40));

Table created.

BLEEBO @ splang > 
BLEEBO @ splang > --
BLEEBO @ splang > -- Populate the table
BLEEBO @ splang > --
BLEEBO @ splang > 
BLEEBO @ splang > begin
  2  	     for i in 1..3000 loop
  3  		     insert into inlist_test(inval1, inval2, val2return)
  4  		     values(i, i, 'Value '||i);
  5  	     end loop;
  6  
  7  	     commit;
  8  end;
  9  /

PL/SQL procedure successfully completed.

Now that the test table is available, submit a query with a hard-coded in-list of 1001 elements:


BLEEBO @ splang > 
BLEEBO @ splang > --
BLEEBO @ splang > -- Try an IN-LIST with 1001 single elements
BLEEBO @ splang > --
BLEEBO @ splang > -- This fails miserably with an ORA-01795
BLEEBO @ splang > --
BLEEBO @ splang > 
BLEEBO @ splang > select val2return
  2  from inlist_test
  3  where inval1 in (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1);
where inval1 in (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1)
*
ERROR at line 3:
ORA-01795: maximum number of expressions in a list is 1000

Oracle caught the extra element and threw the appropriate and expected error. So, for single-valued, hard-coded elements an in-list can contain no more than 1000 members. Now for the interesting part — if you use multi-valued elements the in-list can go beyond the expected 1000-member limit. This can be proven by using two-valued elements and by making the in-list 2500 members long:


BLEEBO @ splang > 
BLEEBO @ splang > --
BLEEBO @ splang > -- Now try an IN-LIST of pairs
BLEEBO @ splang > --
BLEEBO @ splang > -- There are 2500 pairs
BLEEBO @ splang > --
BLEEBO @ splang > -- Oracle doesn't check how many pairs are in the list
BLEEBO @ splang > -- so this succeeds
BLEEBO @ splang > --
BLEEBO @ splang > -- Works with double, triples, quadruples ...
BLEEBO @ splang > --
BLEEBO @ splang > 
BLEEBO @ splang > select val2return
  2  from inlist_test
  3  where (inval1,inval2) in ((1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
  4  (1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(9,9),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
  5  (1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(9,9),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
  6  (1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(9,9),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
  7  (1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(9,9),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
  8  (1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(9,9),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
  9  (1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(9,9),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
 10  (1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(9,9),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),
 11  (1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(9,9),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1),(1,1));

VAL2RETURN
----------------------------------------
Value 1
Value 2
Value 3
Value 4
Value 5
Value 6
Value 7
Value 8
Value 9

9 rows selected.


Execution Plan
----------------------------------------------------------
Plan hash value: 3899671621

---------------------------------------------------------------------------------
| Id  | Operation         | Name        | Rows  | Bytes | Cost (%CPU)| Time     |
---------------------------------------------------------------------------------
|   0 | SELECT STATEMENT  |             |     9 |   432 |     5   (0)| 00:00:01 |
|*  1 |  TABLE ACCESS FULL| INLIST_TEST |     9 |   432 |     5   (0)| 00:00:01 |
---------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

   1 - filter("INVAL1"=1 AND "INVAL2"=1 OR "INVAL1"=2 AND "INVAL2"=2 OR
              "INVAL1"=3 AND "INVAL2"=3 OR "INVAL1"=4 AND "INVAL2"=4 OR "INVAL1"=5 AND
              "INVAL2"=5 OR "INVAL1"=6 AND "INVAL2"=6 OR "INVAL1"=7 AND "INVAL2"=7 OR
              "INVAL1"=8 AND "INVAL2"=8 OR "INVAL1"=9 AND "INVAL2"=9)

Note
-----
   - dynamic statistics used: dynamic sampling (level=2)


Statistics
----------------------------------------------------------
         11  recursive calls
          0  db block gets
         43  consistent gets
          0  physical reads
          0  redo size
        699  bytes sent via SQL*Net to client
       6338  bytes received via SQL*Net from client
          2  SQL*Net roundtrips to/from client
          0  sorts (memory)
          0  sorts (disk)
          9  rows processed

Is this a coding error or expected behavior?

Conventional wisdom might consider this a bug, given the documented physical limit on in-list length, and a 10053 event trace returns information for all but the first query in the example because the first query errored at the parse phase, as a portion of a 10046-event trace proves:


PARSE ERROR #140283620983280:len=2054 dep=0 uid=102 oct=3 lid=102 tim=26169356395 err=1795

Apparently when in-list elements are composed of pairs, triples, etc. the code that rejects lists longer than 1000 elements is bypassed. It doesn’t matter if the list is hard-coded or generated by a subquery any in-list composed of multi-valued elements passes through unscathed:


BLEEBO @ splang > 
BLEEBO @ splang > --
BLEEBO @ splang > -- Now let's try a subquery
BLEEBO @ splang > --
BLEEBO @ splang > -- This will generate a list of 3000 pairs
BLEEBO @ splang > --
BLEEBO @ splang > 
BLEEBO @ splang > select val2return
  2  from inlist_test
  3  where (inval1, inval2) in (select inval1, inval2 from inlist_test);

VAL2RETURN
----------------------------------------
Value 330
Value 331
Value 332
Value 333
Value 334
Value 335
Value 336
Value 337
Value 338
Value 339
Value 340
...
Value 2466
Value 2467
Value 2468
Value 2469
Value 2470
Value 2471
Value 2472
Value 2473

3000 rows selected.


Execution Plan
----------------------------------------------------------
Plan hash value: 2957450017

------------------------------------------------------------------------------------
| Id  | Operation            | Name        | Rows  | Bytes | Cost (%CPU)| Time     |
------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT     |             |     1 |    74 |    10   (0)| 00:00:01 |
|*  1 |  HASH JOIN RIGHT SEMI|             |     1 |    74 |    10   (0)| 00:00:01 |
|   2 |   TABLE ACCESS FULL  | INLIST_TEST |  3000 | 78000 |     5   (0)| 00:00:01 |
|   3 |   TABLE ACCESS FULL  | INLIST_TEST |  3000 |   140K|     5   (0)| 00:00:01 |
------------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

   1 - access("INVAL1"="INVAL1" AND "INVAL2"="INVAL2")

Note
-----
   - dynamic statistics used: dynamic sampling (level=2)


Statistics
----------------------------------------------------------
          8  recursive calls
          0  db block gets
        265  consistent gets
          0  physical reads
          0  redo size
      74145  bytes sent via SQL*Net to client
       2741  bytes received via SQL*Net from client
        201  SQL*Net roundtrips to/from client
          2  sorts (memory)
          0  sorts (disk)
       3000  rows processed

To add confusion to the mayhem, a subquery of single-valued elements also successfully executes with more than 1000 members:


BLEEBO @ splang > 
BLEEBO @ splang > --
BLEEBO @ splang > -- If we try this with only one column curiously it succeeds
BLEEBO @ splang > --
BLEEBO @ splang > -- There will be 3000 single values from the subquery
BLEEBO @ splang > --
BLEEBO @ splang > -- Apparently only hard-coded IN-lists of single values are subject to the
BLEEBO @ splang > -- 1000 element restriction
BLEEBO @ splang > --
BLEEBO @ splang > 
BLEEBO @ splang > select val2return
  2  from inlist_test
  3  where inval2 in (select inval2 from inlist_test);

VAL2RETURN
----------------------------------------
Value 330
Value 331
Value 332
Value 333
Value 334
Value 335
Value 336
Value 337
Value 338
Value 339
Value 340
...
Value 2470
Value 2471
Value 2472
Value 2473

3000 rows selected.


Execution Plan
----------------------------------------------------------
Plan hash value: 2957450017

------------------------------------------------------------------------------------
| Id  | Operation            | Name        | Rows  | Bytes | Cost (%CPU)| Time     |
------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT     |             |  3000 |   140K|    10   (0)| 00:00:01 |
|*  1 |  HASH JOIN RIGHT SEMI|             |  3000 |   140K|    10   (0)| 00:00:01 |
|   2 |   TABLE ACCESS FULL  | INLIST_TEST |  3000 | 39000 |     5   (0)| 00:00:01 |
|   3 |   TABLE ACCESS FULL  | INLIST_TEST |  3000 |   102K|     5   (0)| 00:00:01 |
------------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

   1 - access("INVAL2"="INVAL2")

Note
-----
   - dynamic statistics used: dynamic sampling (level=2)


Statistics
----------------------------------------------------------
          8  recursive calls
          0  db block gets
        265  consistent gets
          0  physical reads
          0  redo size
      74145  bytes sent via SQL*Net to client
       2741  bytes received via SQL*Net from client
        201  SQL*Net roundtrips to/from client
          0  sorts (memory)
          0  sorts (disk)
       3000  rows processed

BLEEBO @ splang >

If there isn’t a second column that can be used, what then? A second column can be ‘manufactured’ by including a constant in the element to make a value pair:


BLEEBO @ splang > 
BLEEBO @ splang > --
BLEEBO @ splang > -- If there is only one column for an in-list a
BLEEBO @ splang > -- second column can be 'manufactured' to get
BLEEBO @ splang > -- past the 1000 element limitation
BLEEBO @ splang > --
BLEEBO @ splang > 
BLEEBO @ splang > select val2return
  2  from inlist_test
  3  where (inval2,9) in
  4  ((inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
  5  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
  6  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
  7  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
  8  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
  9  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
 10  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
 11  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
 12  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
 13  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
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 22  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
 23  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
 24  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
 25  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
 26  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),
 27  (inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9),(inval2,9));

VAL2RETURN
----------------------------------------
Value 1
Value 2
Value 3
Value 4
Value 5
Value 6
Value 7
Value 8
Value 9
Value 10
Value 11
...
Value 2996
Value 2997
Value 2998
Value 2999
Value 3000

3000 rows selected.


Execution Plan
----------------------------------------------------------
Plan hash value: 3899671621

---------------------------------------------------------------------------------
| Id  | Operation         | Name        | Rows  | Bytes | Cost (%CPU)| Time     |
---------------------------------------------------------------------------------
|   0 | SELECT STATEMENT  |             |  3000 |   102K|     5   (0)| 00:00:01 |
|*  1 |  TABLE ACCESS FULL| INLIST_TEST |  3000 |   102K|     5   (0)| 00:00:01 |
---------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

   1 - filter("INVAL2" IS NOT NULL)

Note
-----
   - dynamic statistics used: dynamic sampling (level=2)


Statistics
----------------------------------------------------------
          5  recursive calls
          0  db block gets
        233  consistent gets
          0  physical reads
          0  redo size
      74145  bytes sent via SQL*Net to client
      28041  bytes received via SQL*Net from client
        201  SQL*Net roundtrips to/from client
          0  sorts (memory)
          0  sorts (disk)
       3000  rows processed

BLEEBO @ splang >

It seems that Oracle’s ‘hard’ limit of 1000 in-list elements … isn’t, depending on how you code the list. The barrier Oracle has set can be bypassed if the in-list isn’t comprised of single-valued, hard-coded elements. Presumably from this demonstration new ‘rules’ regarding in-lists could be created:

  1. In-lists can be longer than 1000 members when multi-valued elements are used.
  2. Single-valued subqueries can also allow in-lists of more than 1000 members.
  3. Multi-valued elements can include constants.

If this truly is a bug then it’s probably a good idea to not rely on the current behavior as it could be fixed in a future release. As of now, though, it is possible to code in-lists that exceed the 1000-member mark by using the techniques provided here. Don’t be surprised if, one day, such queries fail since this is not documented behavior.

David Fitzjarrell
David Fitzjarrell
David Fitzjarrell has more than 20 years of administration experience with various releases of the Oracle DBMS. He has installed the Oracle software on many platforms, including UNIX, Windows and Linux, and monitored and tuned performance in those environments. He is knowledgeable in the traditional tools for performance tuning – the Oracle Wait Interface, Statspack, event 10046 and 10053 traces, tkprof, explain plan and autotrace – and has used these to great advantage at the U.S. Postal Service, American Airlines/SABRE, ConocoPhilips and SiriusXM Radio, among others, to increase throughput and improve the quality of the production system. He has also set up scripts to regularly monitor available space and set thresholds to notify DBAs of impending space shortages before they affect the production environment. These scripts generate data which can also used to trend database growth over time, aiding in capacity planning. He has used RMAN, Streams, RAC and Data Guard in Oracle installations to ensure full recoverability and failover capabilities as well as high availability, and has configured a 'cascading' set of DR databases using the primary DR databases as the source, managing the archivelog transfers manually and montoring, through scripts, the health of these secondary DR databases. He has also used ASM, ASMM and ASSM to improve performance and manage storage and shared memory.
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