My csv contains primary key and I want to retain this after uploading
to datastore; I used approach suggested in:
http://code.google.com/appengine/docs/python/tools/uploadingdata.html
However, when i try to retrieve the uploaded entities, i get
Uncaught exception from servlet
The primary key for model.Stock is an unencoded string but the key of
the corresponding entity in the datastore does not have a name. You
may want to either change the primary key to be an encoded string (add
the "gae.encoded-pk" extension), change the primary key to be of type
com.google.appengine.api.datastore.Key, or, if you're certain that
this class will never have a parent, change the primary key to be of
type Long.
org.datanucleus.store.appengine.FatalNucleusUserException: The primary
key for model.DiagnosisGroup4 is an unencoded string but the key of
the corresponding entity in the datastore does not have a name. You
may want to either change the primary key to be an encoded string (add
the "gae.encoded-pk" extension), change the primary key to be of type
com.google.appengine.api.datastore.Key, or, if you're certain that
this class will never have a parent, change the primary key to be of
type Long.
My transformer code snippet is:
transformers:
- kind: Stock
connector: csv
property_map:
- property: stockId
external_name: STOCK_ID
- property: stockName
external_name: STOCK_NAME
- property: desc
external_name: DESC
My CSV file looks like
STOCK_ID,STOCK_NAME,DESC
001,Test company, test desc
002,Alpha company, test desc
003,Beta company, test desc
Corresponding class looks like:
@Entity
public class Stock {
@Id
String stockId;
String stockName;
String desc;
}
Please suggest how can I solve this problem.
Thank you
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