[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-5173) hql - average returns double but looses the decimal part
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http://opensource.atlassian.com/projects/hibernate/browse/HHH-5173?page=c...
]
Steve Ebersole commented on HHH-5173:
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One option is to alter the definition of the avg function in the HSQLDialect to use an
explicit cast
{code}
registerFunction( "avg", new SQLFunctionTemplate( Hibernate.DOUBLE, "avg(
cast( ?1 as double )" ) );
{code}
Note the checking done in the base Dialect version wrt the number of columns.
hql - average returns double but looses the decimal part
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Key: HHH-5173
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5173
Project: Hibernate Core
Issue Type: Bug
Affects Versions: 3.5.0-Final
Environment: Database driver: hsqldb
OS: Mac-Os
Hibernate: 3.5.0-Final
Reporter: Sébastien Peters
Attachments: patch_unit_test.txt
HQL:
select avg(r.rating) from Review r
for the values 2,2,2,1,2 it should return 1.8 instead of 1.0
type of rating: integer
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