What is Mapping Look ups?
Can any one explain me what is mapping look ups in graphical mapping?
Hi,
There are three types of look ups u can do
RFC look up
SOAP look up
JDBC look up
What is Lookup and why we need:
Within an XI mapping it is a common requirement to be able to perform data lookups on-the-fly. In particular, there may be a need to look up some data that is maintained in an R/3 application.
In the error handling topic we have seen the different validations which need to be performed on file. This can be done through Lookup.
Some use cases:
Look up material number from table MARA.
Look up cost center budget.
Look up employee information.
Look up unit-of-measure (UOM) information from table t006a.
Lookup for raising an alert.
The purpose of the lookup may be:
To perform application-level validation of the data, before sending it to the backend.
To populate fields of the XML document with some additional data found in the backend application.
This is a form of value transformation.
The "value mappings" offered by XI are not adequate in this case, since the data would have to be manually entered in the Integration Directory.
There are two ways in which we can do lookup:
Call lookup method from GUI mapping.
Call lookup method from XSLT mapping.
Lookup method from GUI mapping can be called using any of the following ways.
RFC lookup using JCO (without communication channel)
/people/sravya.talanki2/blog/2005/12/21/use-this-crazy-piece-for-any-rfc-mapping-lookups
RFC lookup with communication channel.
/people/alessandro.guarneri/blog/2006/03/27/sap-xi-lookup-api-the-killer
Lookup using JDBC adapter.
/people/siva.maranani/blog/2005/08/23/lookup146s-in-xi-made-simpler
/people/sap.user72/blog/2005/12/06/optimizing-lookups-in-xi
CSV file lookup.
/people/sundararamaprasad.subbaraman/blog/2005/12/09/making-csv-file-lookup-possible-in-sap-xi
Lookups with XSLT - https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/8e7daa90-0201-0010-9499-cd347ffbbf72
/people/sravya.talanki2/blog
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/05a3d62e-0a01-0010-14bc-adc8efd4ee14
DB lookup - /people/siva.maranani/blog/2005/08/23/lookup146s-in-xi-made-simpler
SOAP Lookup - /people/bhavesh.kantilal/blog/2006/11/20/webservice-calls-from-a-user-defined-function
You can refer to these links.
/people/alessandro.guarneri/blog/2006/03/27/sap-xi-lookup-api-the-killer Absolute stealer.
/people/siva.maranani/blog/2005/08/23/lookup146s-in-xi-made-simpler
For Java APIs and also here you can map that how many types of lookups are possible in XI.
http://help.sap.com/javadocs/NW04/current/pi/com/sap/aii/mapping/lookup/package-summary.html
Hope this will help you.
Regards
Aashish Sinha
PS : reward points if helpful
Similar Messages
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How to monitor Mapping Look ups ?
Hi @,
I my application I am using maping lookup where Iam passing a value and then getting Y or N based upon the return from look up from R/3 .Fo rthis i am using rfc adaptor .
Now when i am execfuting the mapping the result is not getting proper I need to verify that whether the lookup is happening or not.I need to monitor the same.
RegardsAmit,
Add Trace Statements in your User Defined Function and then you will be able to see these Trace in the Runtime in the Trace Section under the SOAP header in MONI.
use this code in the UDf,
AbstractTrace trace= container.getTrace();
trace.addWarning("What Ever Message and variables etc");
Add these Trace to the Request RFC XML, likewise Print the response RFC XML and check what it returns and then see why the parser used to parse and get the RFC responsefailes, etc.
Regards
Bhavesh -
Hi All,
1.Can you tell me what exactly the look-ups are?
2.Please tell me about the RFC and JDBC look-ups.
3.Also please tell me how many data types do I need to create for For JDBC <---> RFC sync ?
4.From my point of view I should create 2 data types ,2 message types for JDBC Request and JDBC Response while I can skip creating data types for Receiving RFC side.Is it?
Thanks in advance.Hi Swetha,
1.Can you tell me about when are RFC,JDBC,CSV look-ups are used?
Look ups can be useful in any where, especially when we like to map the value that is reseided in some other application system and that value tend to change or get updated very frequently in that system .So as to get the recently updated values we prefer this .if it doesnot happen we cn directly go for hardcoding either by using Fixed values or value mapping.If the value is queried from R/3 we use RFC look ups.If the value is to be retived from Database we go for JDBC.
2.I think look ups are nothing but the User Defined Functions.Is it?Please tell me in detail.
Look ups need not not only Java functions we can do that in BPMs remember Filr to RFC to FIle using BPM scenario there we get values from RFC response too in Bpm .But this is again a performance issue with out using UDF.But its very easy to perform the lookups using UDF.Even SAP has provided good JavaAPI to perform lookups according to requirement.In most of the cases we use lookups for querying single values.But in PI7.1 there has been added advantage in the form of Graphical lookups to avoid java code and maintin reusability.The link was mentioned by experts already.
3.Please give me any scenerio about the implementation of RFC,JDBC,CSV look-ups .
I am giving example which i came across while working with EDI documents in SEEBURGER environment.There was a field value "TE" in some segment, while mapping to target i should get the Defintion forTE wich was maintained in some other data base and map to the target side, for that purpose we had to use JDBC look up and ping the data base to retrive the required value as the result of Lookup. So when i applied look up i got the value "TELEPHONE" for the code TE.The same way for FX the lookup result was FASCIMILE.Not only this for PLANTCODES and some other business related data we might need to use Lookups...Hope you understood my point.
Thanks,
Ram. -
What is meant by DB look ups in XI ?
what is meant by DB look ups in XI ?
hi,
see michale's pdf..
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/a03e7b02-eea4-2910-089f-8214c6d1b439
for more info go to..
Re: mapping look up's
biplab -
Hi,
i studied all the links regarding LOOK UPS which are provided in the SDN .. but still i did't clear with this information.. when exactly we will go for lookups.. i means in which situation we will go for lookups..( i studyed that lookups will interrupt the mapping and interact with the database and access the data from the database in the mapping time..) but in what scenario we need to get the data from database...give me a simple example..
can any body give me a brief idea abt LOOK UPs..
thanks
babuWithin an XI mapping it is a common requirement to be able to perform data lookups on-the-fly. In particular, there may be a need to look up some data that is maintained in an R/3 application.
In the error handling topic we have seen the different validations which need to be performed on file. This can be done through Lookup.
Some use cases:
Look up material number from table MARA.
Look up cost center budget.
Look up employee information.
Look up unit-of-measure (UOM) information from table t006a.
Lookup for raising an alert.
The purpose of the lookup may be:
To perform application-level validation of the data, before sending it to the backend.
To populate fields of the XML document with some additional data found in the backend application.
This is a form of value transformation.
The "value mappings" offered by XI are not adequate in this case, since the data would have to be manually entered in the Integration Directory.
There are two ways in which we can do lookup:
Call lookup method from GUI mapping.
Call lookup method from XSLT mapping.
Lookup method from GUI mapping can be called using any of the following ways.
RFC lookup using JCO (without communication channel)
/people/sravya.talanki2/blog/2005/12/21/use-this-crazy-piece-for-any-rfc-mapping-lookups
RFC lookup with communication channel.
/people/alessandro.guarneri/blog/2006/03/27/sap-xi-lookup-api-the-killer
Lookup using JDBC adapter.
/people/siva.maranani/blog/2005/08/23/lookup146s-in-xi-made-simpler
/people/sap.user72/blog/2005/12/06/optimizing-lookups-in-xi
CSV file lookup.
/people/sundararamaprasad.subbaraman/blog/2005/12/09/making-csv-file-lookup-possible-in-sap-xi
Thanks and Regards,
Chirag Gohil -
Hi All,
Right now i am using look ups for RFC Receiver Adapter.
i have code something like this in Mapping for Look ups
//Determine a channel, as created in the Configuration
channel = LookupService.getChannel("DB-SYSTEM-NAME","DB-CHANNEL-NAME");
Now my problem is here in this code i am hard coding "DB-SYSTEM-NAME" and "DB-CHANNEL-NAME". I dont want this hard coding, as when i will transport this code to Quality or Production system, at that time name is going to get changed. If suppose DB-SYSTEM-NAME is SAPXIDEV then in QA it will be like SAPXIQA and in Production it will be something like SAPXIPRD like that.
I want to know that is there any way to get SID of XI system in this code? as in place of DB-SYSTEM-NAME i am giving SID (business system name) for XI Dev server, which i need to change when i will transport it to QA or PRD.
Please reply me as soon as possible. Please let me know if any other things need to be clearified.
Regards,
HSHi,
Search on SDN for Value Mapping Using Graphical Mapping.
The basic idea of using Graphical Mapping is like using a properties file in Java. You will have a <b>Key-Value</b> pair . The Key is always the same across the environments which you hardcode and the Value will change.
So KEY will be BusinessSystem and the value will change across environments and so on.
Regards
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hi experts
what are mapping rules in sap xi/pi ? how we can use this rules for special charters mapping .>
praveen.tecnics wrote:
> hi experts
>
> what are mapping rules in sap xi/pi ? how we can use this rules for special charters mapping .
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