About LEFT OUTER JOIN

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Manual
5

Paths and Types in JPQL and Criteria API

. It might be easier to understand exactly how this works by considering the equivalent JOIN query ... , Join and Join's descendants). Path Expressions The Root and Join interfaces (which are subinterfaces ... > country = query.from(Country.class); Join neighborCountry = country.join
Issue
4

Issue with UPPER ?

COUNT($1) FROM com.lexware.vereinsverwaltung.verein.mitglied.Mitglied $1 LEFT JOIN $1.mitgliedschaft $2 LEFT JOIN $1.profile $3 LEFT JOIN $3.organisation $4 LEFT JOIN $1.postalAddresses $5 LEFT JOIN $1 ... .Mitglied $1 LEFT JOIN $1.mitgliedschaft $2 LEFT JOIN $1.profile $3 LEFT JOIN $3.organisation $4 LEFT
Issue
4

[ObjectDB 2.5.5_03] Unexpected exception (Error 990)

.lastGeocodedPosition there are no results. Maybe you should try: SELECT t FROM Unit t LEFT OUTER JOIN ... bit and now it does: SELECT t FROM Unit t LEFT OUTER JOIN t.lastGeocodedPosition l WHERE l ... expression you wouldn't have NPE, because OR is evaluated from left to right. I am not sure
JPA Doc
4

javax.persistence.criteria.Fetch

javax.persistence.criteria Interface Fetch Superinterfaces: FetchParent Represents a join ... a fetch join to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target
JDO Doc
4

javax.jdo.Query

to this Query variableDeclaration - the name of the variable in the outer query to bind the results ... terms of the outer query Since: JDO 2.1 See Also: addSubquery(Query sub, String variableDeclaration ... of the expression in the outer query. If the trimmed expression is the empty String
JPA Doc
4

Criteria Query From Elements

(bound by an entity class) are represented by the Root subinterface: Join variables (bound by an attribute of a preceding variable in the FROM clause) are represented by the Join subinterface and its descendant interfaces: See the FROM in Criteria Queries section for more details and examples. Join
JPA Doc
4

javax.persistence.criteria.FetchParent

, Join, ListJoin, MapJoin, PluralJoin, Root, SetJoin Represents an element of the from clause ... a fetch join to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target
JPA Doc
4

javax.persistence.criteria.CriteriaQuery

removed, and results will be returned in no particular order. The left-to-right sequence of the ordering ... when it results from a get or join operation and the query result type is specified ... (Product.class); q2.select(q2.from(Order.class) .join("items
Forum
3

How to convert a boolean to an int in the query?

directly in the query, depending on the query for example SELECT DISTINCT m FROM Person m LEFT OUTER JOIN m.answers answers LEFT OUTER JOIN answers.persons likedPersons ORDER BY (m.approveEmail + m
Forum
3

@OneToOne query issue with OR and IS NULL

through a relationship is implemented using JOIN (i.e. INNER JOIN), and only the A instance that has another passes the FROM clause, which precedes the WHERE clause. Try LEFT OUTER JOIN: SELECT a FROM A a LEFT JOIN ... is a short form of the this equivalent query: SELECT a FROM A a JOIN a.another b