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I have a flat file, in which i have two fields, emp_id,
emp_name. The data is like this,
emp_id,emp_name
101,soha
101,ali
101,khan
102,siva
102,shanker
102,reddy.
how to merge the names so that my output is like this
Emp_id Emp_name
101 Soha ali kahn
102 siva shenkar reddy
please provide solution
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Answer Posted / rana
In Expression transformation create four variable port like:
v_ID
v_Fname
v_Mname
v_Lname
and use following condition
v_nr=iif(v_id <> emp_ID,0,v_nr+1)
v_fname=iif(v_nr = 0,emp_name,v_fname)
v_mname=iif(v_nr = 1,emp_name,v_mname)
v_lname=iif(v_nr = 2,emp_name,v_lname)
v_id=iif(v_id <> emp_ID,emp_id,v_id)
Add a Filter transformation, and condition will be (NOT
ISNULL(v_Fname) and NOT ISNULL(v_Mname) and NOT ISNULL
(v_Lname))
Take an example, If rows are like these:
101,soha
101,ali
101,khan
102,siva
102,shanker
102,reddy
For : 101,soha ==>
*v_nr=iif(v_id <> 101,0,v_nr+1) [v_id is now 0 or
null]
It will return 0
*v_fname=iif(v_nr = 0,emp_name,v_fname) [v_nr is 0 now
so "SOHA" will insert into f_name variable]
other condition will be false
-------------------------------
For : 101,ali ==>
*v_nr=iif(101 <> 101,0,v_nr+1) [v_nr is now 1 ]
It will return 1, because condition will FALSE and v_nr+1
will add 1 to 0, mean 1
*v_fname=iif(v_nr = 0,emp_name,v_fname) [v_nr is 1 so
condition is FALSE and it will return v_fname that
is "SOHA" that was stored when v_nr was 0]
*v_mname=iif(v_nr = 1,emp_name,v_mname) [v_nr is 1 and
Condition is TRUE so now it will return emp_name and that
is "ALI"]
other condition will be false
---------------------------------
For : 101,khan ==>
*v_nr=iif(101 <> 101,0,v_nr+1) [v_nr is now 2]
It will return 2, because condition will FALSE and v_nr+1
will add 1 to 1, mean 2
*v_fname=iif(v_nr = 0,emp_name,v_fname) [v_nr is 2 so
condition is FALSE and it will return v_fname that
is "SOHA" that was stored when v_nr was 0]
*v_mname=iif(v_nr = 1,emp_name,v_mname) [v_nr is 2 and
Condition is FALSE and it will return v_mname that is "ALI"
that was stored when v_nr was 1]
*v_lname=iif(v_nr = 2,emp_name,v_lname) [v_nr is 2 now so
condition is TRUE and it will return emp_name and that
is “KHAN” now]
v_id=iif(v_id <> emp_ID,emp_id,v_id)
Let me know if you have still any confusion on this,
Rana
| Is This Answer Correct ? | 4 Yes | 4 No |
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