| AbstractSqlLookupService cancels transaction on PostgresSQL 9.2 [message #1125755] |
Fri, 04 October 2013 17:18  |
Eclipse User |
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I set up a customized LookupService derived from AbstractSqlLookupService:
public class UnitLookupService extends AbstractSqlLookupService implements IUnitLookupService {
@ConfigProperty(ConfigProperty.SQL)
@Order(10)
@ConfigPropertyValue("null")
@Override
protected String getConfiguredSqlSelect() {
return "SELECT u.id"
+ " , u.name || ' (' || u.equi_quantity || ' g)'"
+ " FROM fdb.units u"
+ " WHERE 1=1 "
+ " <key> AND u.id = :key </key>"
+ " <text> AND UPPER(u.name) LIKE UPPER(:text || '%') </text>"
+ " <all> </all>";
}
}
The service works fine for key search but not for browsing all entries with the getDataByAll method. There is not an error nor an exception visible, but the Smartfield shows only an empty list. Typing in an existing text, inserts the approprieate key correcctly into the smartfield. Following the call in the debugger shows, that all the right rows are created on the server. Unfortunately receives the call later a tx.cancel() call out of a scout service tunnel. I could not figure out exactly where this call comes from.
I suppose it must depend somehow on the missing annotation for the @ConfigPropertyValue. Does anybody know, which value has to be annotated?
I'm using eclipse 4.3 installed local from eclipse.org, scout 3.9 and postgres 9.2 as database on Linux 32bit Fedora 19.
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| Re: AbstractSqlLookupService cancels transaction on PostgresSQL 9.2 [message #1127933 is a reply to message #1126610] |
Mon, 07 October 2013 02:48  |
| Eclipse User |
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Thomas Mangold wrote on Sat, 05 October 2013 21:33I'm still using scout 3.9.1 distributed with Eclipse 4.3 and can't download the 3.10 version because of a slow internet connection at the place I'm staying at the moment
Stay at this version. It should be OK.
I guess it has nothing to do with @ConfigPropertyValue.
Thomas Mangold wrote on Fri, 04 October 2013 23:18I'm using eclipse 4.3 installed local from eclipse.org, scout 3.9 and postgres 9.2 as database on Linux 32bit Fedora 19.
Maybe there is a problem with Fedora.
Thomas Mangold wrote on Sat, 05 October 2013 21:33
Debugging AbstractSqlLookupService.getDataByAll(LookupCall) delivers still the right result in the rows variable of the return statement.
The Problem occurs later in ActiveTransactionRegistry.unregister(ITransaction tx)
There in the debugger the transaction has suddenly the m_cancelled property set to true. May be this is only an artefact of debugging because i must leave the SmartField with the mousepointer to step on.
If you want to debug it futher, you could devide the problem: I suggest to test it without a database dependency.
Can you try an other implementation for your LookupService extending AbstractLookupService instead of AbstractSqlLookupService. For the different functions getDataByKey(), getDataByText(), getDataByAll(), just return array of LookupRows:
public LookupRow[] getDataByAll(LookupCall call) throws ProcessingException {
return new LookupRow[]{
new LookupRow(1L, "text by all 1"),
new LookupRow(2L, "text by all 2"),
new LookupRow(3L, "text by all 3")
};
}
This service can be registered this service in the server. If this is still not working, it would be interesting to register the service in the client (you can verify if this has something to do with the client/server communication).
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