how to design mapping half of source table records into one target and remaini

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how to design mapping half of source table records into one
target and remaining half into another target

Question Posted / sajju

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how to design mapping half of source table records into one target and remaining half into another..

Answer / akash

There are 2 ways through which we can achieve this:
Through informatica transformations: Source Qualifier /
Aggregator and Expression

1. Take count through an aggregator or source qualifier.
Add a port (say record_id) from sequence generator to give
the record number.
Mark router condition as -
where record_id < = (count / 2)
send this group to one target and default group of router
to other target.

2. Use the following query in Source Qualifier:
SELECT KEY_field,
description,
(CASE WHEN ROWNUM <= ((SELECT COUNT(*) FROM TEMP_TABLE)/2)
THEN 1
ELSE 2
END) AS FLAG
FROM table_name

In the above key_field and description are the required
fields from source table.

The result will be of the type:

KEY_FIELD DESCRIPTION FLAG
1 ABC 1
2 JJJ 1
3 XYZ 2
4 PQR 2

Use a router on the condition of port FLAG to map data to
targets.

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how to design mapping half of source table records into one target and remaining half into another..

Answer / raj

hii Sbvp... can you please elaborate the above situation
clearly.... for when the source is a flat file....

thank you

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how to design mapping half of source table records into one target and remaining half into another..

Answer / raj

Hi SBVP , thanks for your answer.... if i dont know the
number of records coming from my source flat file what can i
do? please tell me

thank you

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how to design mapping half of source table records into one target and remaining half into another..

Answer / sbvp

raj this is my mail id bhanuar.inf@gmail.com.
chat with me on evening times 7-8
i will discuss with u

thanks
sbvp

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how to design mapping half of source table records into one target and remaining half into another..

Answer / neha

IT is not possible thru Informatica, you need to write Unix
Script for this.

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how to design mapping half of source table records into one target and remaining half into another..

Answer / ravi

by using router transformation

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4 No

how to design mapping half of source table records into one target and remaining half into another..

Answer / sbvp

hi raj

when we use source as a flat file
if a flat file contians 10 records assume ok
take seq gen t/r- next val
to exp t/r
in that add a new port and give seq gen-nextval to that new
port(suppose call as seq_num ok)

take RTR t/r
create two out ports ok
seq_num<=5
seq_num>=5
contect to two tgrts ok

thanks
sbvp

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how to design mapping half of source table records into one target and remaining half into another..

Answer / sbvp

S->SQ->EXP->ROUTER->TRG
| |
| |-->TGR
SEQ<-

IN RTR SEQ<=n
SEQ>=n

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