Add MergerToken to update database or model with PK Generation Strategy
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Key: CAY-975
URL: https://issues.apache.org/cayenne/browse/CAY-975
Project: Cayenne
Issue Type: Improvement
Components: Cayenne Core Library
Affects Versions: 3.0
Reporter: Øyvind Harboe
Assignee: Andrus Adamchik
I'm using DbMerger to update the DataMap with attributes from the database.
This solves a raft of problems, including how to let database managers modify
length of fields from e.g. SQL Manager(which they are comfortable with).
My DataMap states that the pk is generated by the database, but when that is
not the case I'll get this exception:
Caused by: java.sql.SQLException: Cannot insert the value NULL into column
'user_id', table 'qpb.dbo.users'; column does not allow nulls. INSERT fails.
at
net.sourceforge.jtds.jdbc.SQLDiagnostic.addDiagnostic(SQLDiagnostic.java:364)
at net.sourceforge.jtds.jdbc.TdsCore.tdsErrorToken(TdsCore.java:2754)
at net.sourceforge.jtds.jdbc.TdsCore.nextToken(TdsCore.java:2195)
at net.sourceforge.jtds.jdbc.TdsCore.getMoreResults(TdsCore.java:620)
at
net.sourceforge.jtds.jdbc.JtdsStatement.processResults(JtdsStatement.java:483)
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