Pivot + cross join

Question

Hello,
I've written the following query, which works fine:
select * from
     select
          to_char(SCB_OPENTIME, 'YYYY-MM') as curr_date,
          SCB_TASK
     from EM_DATA_MSR_SC
pivot
     count(SCB_TASK) for curr_date in
          '2011-01',
          '2011-02',
          '2011-03',
          '2011-04',
          '2011-05',
          '2011-06',
          '2011-07',
          '2011-08',
          '2011-09',
          '2011-10',
          '2011-11',
          '2011-12'
);Now I need to apply a cross join on it:
select * from
     select
          to_char(SCB_OPENTIME, 'YYYY-MM') as curr_date,
          SCB_TASK
     from EM_DATA_MSR_SC
     where
          EMSCG_STATUS = status.name
pivot
     count(SCB_TASK) for curr_date in
          '2011-01',
          '2011-02',
          '2011-03',
          '2011-04',
          '2011-05',
          '2011-06',
          '2011-07',
          '2011-08',
          '2011-09',
          '2011-10',
          '2011-11',
          '2011-12'
cross join
    select 0, 'Closed' as name from DUAL union
    select 1, 'Denied' from DUAL union
    select 2, 'Open' from DUAL
) status;When I try to execute this query, I get this error message:
"STATUS"."NAME": invalid identifierHowever, SQL is supposed to have table references scoped to one level deep.
Am I doing something wrong?

Answer 1

Unfortunately, your snippet doesn't work either.
Here is a simple test case:
CREATE TABLE TEST
  NUM NUMBER NOT NULL,
  DAT DATE NOT NULL
insert into TEST (NUM, DAT) values (32, SYSDATE - 43);
insert into TEST (NUM, DAT) values (9, SYSDATE - 143);
insert into TEST (NUM, DAT) values (90, SYSDATE - 13);
insert into TEST (NUM, DAT) values (24, SYSDATE - 3);
insert into TEST (NUM, DAT) values (244, SYSDATE - 39);
insert into TEST (NUM, DAT) values (44, SYSDATE - 9);
insert into TEST (NUM, DAT) values (44, SYSDATE - 9);
insert into TEST (NUM, DAT) values (44, SYSDATE - 9);
insert into TEST (NUM, DAT) values (60, SYSDATE - 9);
insert into TEST (NUM, DAT) values (51, SYSDATE - 9);
insert into TEST (NUM, DAT) values (44, SYSDATE - 9);
insert into TEST (NUM, DAT) values (0, SYSDATE - 3);
insert into TEST (NUM, DAT) values (16, SYSDATE - 11);
insert into TEST (NUM, DAT) values (24, SYSDATE - 9);
insert into TEST (NUM, DAT) values (59, SYSDATE - 27);
insert into TEST (NUM, DAT) values (29, SYSDATE - 16);
insert into TEST (NUM, DAT) values (20, SYSDATE - 47);
insert into TEST (NUM, DAT) values (103, SYSDATE - 1);
insert into TEST (NUM, DAT) values (41, SYSDATE - 92);
insert into TEST (NUM, DAT) values (42, SYSDATE - 40);Here's the corresponding working query:
select * from
     select
          to_char(DAT, 'YYYY-MM') as curr_date,
          NUM
     from TEST
pivot
     count(NUM) for curr_date in
          '2011-01',
          '2011-02',
          '2011-03',
          '2011-04',
          '2011-05',
          '2011-06',
          '2011-07',
          '2011-08',
          '2011-09',
          '2011-10',
          '2011-11',
          '2011-12'
;Now, say I want to display the number of NUMs grouped by range values and by DAT. I'd like to have this kind of output (each # is a different number):
-------- 2011-01 2011-02 2011-03 2011-04 2011-05 2011-06 2011-07 2011-08 2011-09 2011-10 2011-11 2011-12
0 - 20         #       #       #       #       #       #       #       #       #       #       #       #
21 - 50        #       #       #       #       #       #       #       #       #       #       #       #
51 - 300       #       #       #       #       #       #       #       #       #       #       #       #To do so, I'd like to write something like this:
select * from
     select
          to_char(DAT, 'YYYY-MM') as curr_date,
          NUM
     from TEST
     where NUM >= ranges.mini and NUM <= ranges.maxi
pivot
     count(NUM) for curr_date in
          '2011-01',
          '2011-02',
          '2011-03',
          '2011-04',
          '2011-05',
          '2011-06',
          '2011-07',
          '2011-08',
          '2011-09',
          '2011-10',
          '2011-11',
          '2011-12'
cross join
    select 0, 0 as mini, 20 as maxi from DUAL union
    select 1, 21, 50 from DUAL union
    select 2, 51, 300 from DUAL
) ranges
;Alas, this isn't a valid query:
"RANGES"."MAXI": invalid identifierUsing a WITH clause doesn't help (same error message):
with ranges as
    select 0, 0 as mini, 20 as maxi from DUAL union
    select 1, 21, 50 from DUAL union
    select 2, 51, 300 from DUAL
select * from
     select
          to_char(DAT, 'YYYY-MM') as curr_date,
          NUM
     from TEST
     where NUM >= ranges.mini and NUM <= ranges.maxi
pivot
     count(NUM) for curr_date in
          '2011-01',
          '2011-02',
          '2011-03',
          '2011-04',
          '2011-05',
          '2011-06',
          '2011-07',
          '2011-08',
          '2011-09',
          '2011-10',
          '2011-11',
          '2011-12'
cross join ranges
;EDIT:
Always say which version of Oracle you're using.Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
PL/SQL Release 11.1.0.7.0 - Production
"CORE     11.1.0.7.0     Production"
TNS for Solaris: Version 11.1.0.7.0 - Production
NLSRTL Version 11.1.0.7.0 - Production
EDIT 2:
SCB_TASK replaced by NUM in queries
Edited by: 895536 on 7 nov. 2011 09:01