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HHH-10301 Don't allocate a new List if it is not required

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Stuart Douglas 2015-11-19 10:04:17 +11:00 committed by Sanne Grinovero
parent 2e8d52e654
commit f4e58d342d
1 changed files with 4 additions and 0 deletions
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4
hibernate-core/src/main/java/org/hibernate/engine/query/spi/HQLQueryPlan.java
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@ -211,6 +211,10 @@ public class HQLQueryPlan implements Serializable {
queryParametersToUse = queryParameters; queryParametersToUse = queryParameters;
} }
//fast path to avoid unnecessary allocation and copying
if ( translators.length == 1 ) {
return translators[0].list( session, queryParametersToUse );
}
final int guessedResultSize = guessResultSize( rowSelection ); final int guessedResultSize = guessResultSize( rowSelection );
final List combinedResults = new ArrayList( guessedResultSize ); final List combinedResults = new ArrayList( guessedResultSize );
final IdentitySet distinction; final IdentitySet distinction;