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SELECT COUNT

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SELECT COUNT

Subject: SELECT COUNT
From: Benoit Mangez <email@hidden>
Date: Fri, 3 Sep 2004 10:58:58 +0200

Hi,

Just a simple question...

I have an huge EOQualifier (build by the user). I would like to perform
a simple SELECT COUNT(*) FROM myEntity WHERE (huge qualifier) without
fetching the corresponding objects.
I can't find a simple way to do this.

I tried to translate the 'huge qualifier' into SQL using the following
code:

				EOAdaptor adaptor = EOAdaptor.adaptorWithModel(anEntity.model());
	            	EOSQLExpressionFactory sqlfac = new
EOSQLExpressionFactory(adaptor);

	sqlfac.createExpression(anEntity).setUseBindVariables(true);
	            	EOSQLExpression sql =
sqlfac.selectStatementForAttributes(new NSArray(anAttribute), false,
fs, anEntity);
	            	System.out.println("sql:"+sql.statement());


This works fine with FrontBase, but with Oracle: the bindings are
missing in sql.statement().

Any ideas ?

Benoit Mangez
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