HOW TO: do external db lookups with AJAX on UCM checkin pages

Several folks have been asking how to use ajax in UCM and how to do external data source lookups.
So we posted the step by step for you on our C4 blog:
http://bit.ly/bgOfm2
The post is full of code-goodness and addresses
* Custom Components
* Custom Services
* Database Providers
* Custom Query Resources
* Custom Java Service Handlers
* MergeInclude
* Resource Includes
it assumes you are familiar with:
* basic UCM component architecture
* creating components using the Component Wizard
* creating a database provider in the UCM interface
* how to create a custom class and include it in a component.
* how to take sample code and make it your own
If you are not familiar with those things or if you want supported components that work on 10 and 11g then reach out to us directly and we will help
Warmly,
Billy Cripe
Fishbowl Solutions

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How to reject external table rows with some blank columns

How to reject external table rows with some blank columns
I have an external table and I would like to reject rows when a number of fields are empty. Here are the details.
CREATE TABLE EXTTAB (
ID NUMBER(10),
TSTAMP DATE,
C1 NUMBER(5,0),
C2 DATE,
C3 FLOAT(126)
ORGANIZATION EXTERNAL (
TYPE ORACLE_LOADER
DEFAULT DIRECTORY EXT_DAT_DIR
ACCESS PARAMETERS (
RECORDS DELIMITED BY NEWLINE
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DISCARDFILE EXT_BAD_DIR:'exttab.dsc'
FIELDS TERMINATED BY "|"
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So, as you can see from the LOAD WHEN clause, I'd like to reject rows when C1, C2 and C3 are empty.
The above statement works fine and creates the table. However when I am trying to load data using it, the following error is produced:
ORA-29913: error in executing ODCIEXTTABLEOPEN callout
ORA-29400: data cartridge error
KUP-00554: error encountered while parsing access parameters
KUP-01005: syntax error: found "not": expecting one of: "double-quoted-string, identifier, (, number, single-quoted-string"
KUP-01007: at line 1 column 41
ORA-06512: at "SYS.ORACLE_LOADER", line 14
ORA-06512: at line 1
It seems that external tables driver does not understand the "NOT (...)" condition. Could anyone suggest how I can achieve what I want in a different way?
Thank you.
Denis

Another method would be to simply remove the "LOAD WHEN condition" and create a view on the external table which filters the data.
CREATE EXTTAB_VIEW AS
SELECT * FROM EXTTAB
WHERE not (c1 is null and c2 is null and c3 is null);

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Message was edited by:
Justin Cave

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I am using DVM in transformation.
I want to keep DVM files outside the project directory and use it in my transformation.
like
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Hi Yatan,
I tried using "file:///dvm/CheckLOV.dvm"
<xsl:value-of select='dvm:lookupValue("file:///dvm/CheckLOV.dvm","CSID",/client:process/client:input,"CSName","1")'/>
In this case i am getting these errors--
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<faultType>0</faultType>
<subLanguageExecutionFault>
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<summary>An error occurs while processing the XPath expression; the expression is ora:doXSLTransformForDoc("xsl/Transformation_1.xsl", $inputVariable.payload).</summary>
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</subLanguageExecutionFault>
</bpelFault>
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Because there can be many othe drives also.
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[email protected]

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HOW TO: do external db lookups with AJAX on UCM checkin pages

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