How can the following be achieved in 1 single Informatica
Mapping.
* If the Header table record has error value(NULL) then
those records and the corresponding child records in the
SUBHEAD and DETAIL tables should also not be loaded into
the target(TARGET1,TARGET 2 or TARGET3).
* If the HEADER table record is valid, but the SUBHEAD or
DETAIL table record has an error value (NULL) then the no
data should be loaded into the target TARGET1,TARGET 2 or
TARGET3.
* If the HEADER table record is valid and the SUBHEAD or
DETAIL table record also has valid records only then the
data should be loaded into the target TARGET1,TARGET 2 and
TARGET3.
===================================================
HEADER
COL1 COL2 COL3 COL5 COL6
1 ABC NULL NULL CITY1
2 XYZ 456 TUBE CITY2
3 GTD 564 PIN CITY3
SUBHEAD
COL1 COL2 COL3 COL5 COL6
1 1001 VAL3 748 543
1 1002 VAL4 33 22
1 1003 VAL6 23 11
2 2001 AAP1 334 443
2 2002 AAP2 44 22
3 3001 RAD2 NULL 33
3 3002 RAD3 NULL 234
3 3003 RAD4 83 31
DETAIL
COL1 COL2 COL3 COL5 COL6
1 D001 TXX2 748 543
1 D002 TXX3 33 22
1 D003 TXX4 23 11
2 D001 PXX2 56 224
2 D002 PXX3 666 332
========================================================
TARGET1
2 XYZ 456 TUBE CITY2
TARGET2
2 2001 AAP1 334 443
2 2002 AAP2 44 22
TARGET3
2 D001 PXX2 56 224
2 D002 PXX3 666 332
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Answer Posted / anu
1)In the mapping join all the 3 flat files on the common
column(Col1).(2joiners are needed)
2)Create a expression drag all the columns from the end
Joiner to Exp.In the expression create a 3 ports
H_flag,S_Flag,D_flag.
H_Flag =iff(isnull(col2),'x',iff(isnull(col3),'x',iff(isnull
(col5),'x',iff(isnull(col6),'x','y'))
the result of this is if you have null in any header column
this flag value will be 'X'.
Repeat this with Detail and subhead as well.
Declare these flag ports as last ports of expression.
3)Create a router with a group in it for
H_Flag!='x'
S_flag!='x'
D_Flag!='x'
This will get you not null columns from all the three and
accordingly u can load the target.
But if you have any other conditions ,still you can use
these flags in filters and control the data flow.
| Is This Answer Correct ? | 4 Yes | 0 No |
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