Multi line pattern search with like

Question

Hi All,
I am using oracle 9i. I want to search for multi - line pattern.
for e.g.
update tablename
set columnname .
I used select * from user_source where text like '%update tablename%set columnname%' but this only seem to work if update tablename set columnname is in the same line .
Thanks.

Answer 1

Well, no wonder it does not work. USER_SOURCE stores one line of text per row, so column text by definition can not contain multi-line strings . One solution could be analytic function LEAD:
SQL> create or replace
  2    procedure p1
  3      is
  4      begin
  5          update emp
  6             set ename = ename;
  7  end;
  8  /
Procedure created.
SQL> select  distinct name
  2    from  (
  3           select  s.*,
  4                   lead(text) over(partition by name order by line) next_text
  5             from  user_source s
  6          )
  7    where text like '%update emp%'
  8      and next_text like '%set ename%'
  9  /
NAME
P1
SQL> SY.