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#146 - Avoid executing IN-query with empty parameter list.

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These queries are illegal in Postgres and possible other databases.

Original pull request: #147.
This commit is contained in:
Julien Millau
2018-11-13 01:35:13 +01:00
committed by Jens Schauder
parent 2b79633c7f
commit c6c4f0c6bf
1 changed files with 3 additions and 2 deletions
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5
src/main/java/org/springframework/data/envers/repository/support/EnversRevisionRepositoryImpl.java
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@@ -52,6 +52,7 @@ import org.springframework.util.Assert;
* @author Philipp Huegelmeyer
* @author Michael Igler
* @author Jens Schauder
* @author Julien Millau
*/
@Transactional(readOnly = true)
public class EnversRevisionRepositoryImpl<T, ID, N extends Number & Comparable<N>>
@@ -150,8 +151,8 @@ public class EnversRevisionRepositoryImpl<T, ID, N extends Number & Comparable<N
Collections.reverse(revisionNumbers);
}
if (pageable.getOffset() > revisionNumbers.size()) {
return new PageImpl<Revision<N, T>>(Collections.<Revision<N, T>> emptyList(), pageable, 0);
if (revisionNumbers.isEmpty() || pageable.getOffset() > revisionNumbers.size()) {
return Page.empty(pageable);
}
long upperBound = pageable.getOffset() + pageable.getPageSize();