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Posted to jdo-dev@db.apache.org by mb...@apache.org on 2019/03/10 15:55:42 UTC
[db-jdo] branch JDO-778 created (now 61f6793)
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mbo pushed a change to branch JDO-778
in repository https://gitbox.apache.org/repos/asf/db-jdo.git.
at 61f6793 JDO-778: Adding overloaded methods to JDOQLTypedQuery to create a correlated subquery
This branch includes the following new commits:
new 61f6793 JDO-778: Adding overloaded methods to JDOQLTypedQuery to create a correlated subquery
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[db-jdo] 01/01: JDO-778: Adding overloaded methods to
JDOQLTypedQuery to create a correlated subquery
Posted by mb...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
mbo pushed a commit to branch JDO-778
in repository https://gitbox.apache.org/repos/asf/db-jdo.git
commit 61f6793eb2f081a3cffd8d7cf97214b76f236cd9
Author: Michael Bouschen <mb...@apache.org>
AuthorDate: Sun Mar 10 16:55:26 2019 +0100
JDO-778: Adding overloaded methods to JDOQLTypedQuery to create a correlated subquery
---
api/src/main/java/javax/jdo/JDOQLTypedQuery.java | 36 +++++++++++++++++++++++-
1 file changed, 35 insertions(+), 1 deletion(-)
diff --git a/api/src/main/java/javax/jdo/JDOQLTypedQuery.java b/api/src/main/java/javax/jdo/JDOQLTypedQuery.java
index da04f38..9564374 100644
--- a/api/src/main/java/javax/jdo/JDOQLTypedQuery.java
+++ b/api/src/main/java/javax/jdo/JDOQLTypedQuery.java
@@ -343,11 +343,45 @@ public interface JDOQLTypedQuery<T> extends Serializable, Closeable {
* @param candidate Candidate for the subquery
* @param candidateAlias Alias for the candidate
* @return The subquery
- * @param <S> candidate type for subquery
+ * @param <S> Candidate type for subquery
*/
<S> JDOQLTypedSubquery<S> subquery(Class<S> candidate, String candidateAlias);
/**
+ * Method to return a correlated subquery for use in this query.
+ * The candidate collection of the subquery is defined using a collection relationship of the outer query.
+ * To obtain the expression for the subquery to link it back to this query, call "result(...)" on the subquery.
+ * @param candidateCollection Expression defining the candidate collection for the subquery
+ * @param candidateAlias Alias for the candidate
+ * @return The subquery
+ * @param <E> Candidate type for subquery
+ */
+ <E> JDOQLTypedSubquery<E> subquery(CollectionExpression<Collection<E>, E> candidateCollection, String candidateAlias);
+
+ /**
+ * Method to return a correlated subquery for use in this query.
+ * The candidate collection of the subquery is defined using a list relationship of the outer query.
+ * To obtain the expression for the subquery to link it back to this query, call "result(...)" on the subquery.
+ * @param candidateList Expression defining the candidate collection for the subquery
+ * @param candidateAlias Alias for the candidate
+ * @return The subquery
+ * @param <E> Candidate type for subquery
+ */
+ <E> JDOQLTypedSubquery<E> subquery(ListExpression<List<E>, E> candidateList, String candidateAlias);
+
+ /**
+ * Method to return a correlated subquery for use in this query.
+ * The candidate collection of the subquery is defined using a map relationship of the outer query.
+ * To obtain the expression for the subquery to link it back to this query, call "result(...)" on the subquery.
+ * @param candidateMap Expression defining the candidate collection for the subquery
+ * @param candidateAlias Alias for the candidate
+ * @return The subquery
+ * @param <K> The key type of the map relationship
+ * @param <V> The value type the map relationship
+ */
+ <K, V> JDOQLTypedSubquery<Map.Entry<K, V>> subquery(MapExpression<Map<K, V>, K, V> candidateMap, String candidateAlias);
+
+ /**
* Method to set the named parameters on this query prior to execution.
* All parameter values specified in this method will only be retained until the subsequent query execution.
* @param namedParamMap The map of parameter values keyed by their names.