[CAY-2763] Split expressions do not work with flattened relationships

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 4.2.RC1
• Fix Version/s: 4.2.RC2, 5.0-M1
• Assignee: Nikita Timofeev
• Reporter: Andrus Adamchik
• Created: 19/Oct/22 07:48
• Updated: 30/Nov/22 13:53
• Resolved: 30/Nov/22 13:53

Description

If "r1" is a flattened n..m relationship mapped to "dbr11.dbr12", using a split expression with it results in an exception.

Expression:

query.and(ExpressionFactory.matchAllExp("|r1", values));

org.apache.cayenne.CayenneRuntimeException: [v.4.2.RC1 Jun 03 2022 10:10:32] Query exception.
	at org.apache.cayenne.access.DataDomainQueryAction.nextQueryException(DataDomainQueryAction.java:622)
	at org.apache.cayenne.access.DataNode.performQueries(DataNode.java:279)
	at org.apache.cayenne.access.DataDomainQueryAction.runQuery(DataDomainQueryAction.java:468)
	at org.apache.cayenne.access.DataDomainQueryAction.lambda$runQueryInTransaction$1(DataDomainQueryAction.java:444)
	at org.apache.cayenne.tx.DefaultTransactionManager$BaseTransactionHandler.performInTransaction(DefaultTransactionManager.java:180)
	at org.apache.cayenne.tx.DefaultTransactionManager$BaseTransactionHandler.performInNewTransaction(DefaultTransactionManager.java:152)
	at org.apache.cayenne.tx.DefaultTransactionManager$NestedTransactionHandler.handle(DefaultTransactionManager.java:95)
	at org.apache.cayenne.tx.DefaultTransactionManager.performInTransaction(DefaultTransactionManager.java:62)
	at org.apache.cayenne.tx.DefaultTransactionManager.performInTransaction(DefaultTransactionManager.java:40)
	at org.apache.cayenne.access.DataDomainQueryAction.runQueryInTransaction(DataDomainQueryAction.java:443)
	at org.apache.cayenne.access.DataDomainQueryAction.execute(DataDomainQueryAction.java:127)
	at org.apache.cayenne.access.DataDomain.onQueryNoFilters(DataDomain.java:570)
	at org.apache.cayenne.access.DataDomain$DataDomainQueryFilterChain.onQuery(DataDomain.java:819)
	at io.bootique.cayenne.v42.junit5.tester.QueryCounter.onQuery(QueryCounter.java:45)
	at org.apache.cayenne.access.DataDomain$DataDomainQueryFilterChain.onQuery(DataDomain.java:818)
	at org.apache.cayenne.access.DataDomain.onQuery(DataDomain.java:562)
	at org.apache.cayenne.util.ObjectContextQueryAction.runQuery(ObjectContextQueryAction.java:406)
	at org.apache.cayenne.util.ObjectContextQueryAction.executePostCache(ObjectContextQueryAction.java:107)
	at org.apache.cayenne.util.ObjectContextQueryAction.execute(ObjectContextQueryAction.java:94)
	at org.apache.cayenne.access.DataContext.onQuery(DataContext.java:960)
	at org.apache.cayenne.access.DataContext.performQuery(DataContext.java:949)
	at org.apache.cayenne.BaseContext.select(BaseContext.java:307)
Caused by: java.lang.IllegalStateException: Non-relationship aliased path part: r1
	at org.apache.cayenne.access.translator.select.DbPathProcessor.processAliasedAttribute(DbPathProcessor.java:70)
	at org.apache.cayenne.access.translator.select.PathProcessor.process(PathProcessor.java:72)
	at org.apache.cayenne.access.translator.select.PathTranslator.lambda$translatePath$1(PathTranslator.java:57)
	at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1705)
	at org.apache.cayenne.access.translator.select.PathTranslator.translatePath(PathTranslator.java:56)
	at org.apache.cayenne.access.translator.select.ObjPathProcessor.processRelTermination(ObjPathProcessor.java:137)
	at org.apache.cayenne.access.translator.select.ObjPathProcessor.processRelationship(ObjPathProcessor.java:116)
	at org.apache.cayenne.access.translator.select.ObjPathProcessor.processAliasedAttribute(ObjPathProcessor.java:76)
	at org.apache.cayenne.access.translator.select.PathProcessor.process(PathProcessor.java:72)
	at org.apache.cayenne.access.translator.select.PathTranslator.lambda$translatePath$0(PathTranslator.java:48)
	at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1737)
	at org.apache.cayenne.access.translator.select.PathTranslator.translatePath(PathTranslator.java:47)
	at org.apache.cayenne.access.translator.select.PathTranslator.translatePath(PathTranslator.java:52)
	at org.apache.cayenne.access.translator.select.QualifierTranslator.expressionNodeToSqlNode(QualifierTranslator.java:155)
	at org.apache.cayenne.access.translator.select.QualifierTranslator.startNode(QualifierTranslator.java:118)
	at org.apache.cayenne.exp.Expression.traverse(Expression.java:568)
	at org.apache.cayenne.exp.Expression.traverse(Expression.java:577)
	at org.apache.cayenne.exp.Expression.traverse(Expression.java:577)
	at org.apache.cayenne.exp.Expression.traverse(Expression.java:577)
	at org.apache.cayenne.exp.Expression.traverse(Expression.java:557)
	at org.apache.cayenne.access.translator.select.QualifierTranslator.translate(QualifierTranslator.java:96)
	at org.apache.cayenne.access.translator.select.QualifierTranslationStage.perform(QualifierTranslationStage.java:52)
	at org.apache.cayenne.access.translator.select.DefaultSelectTranslator.translate(DefaultSelectTranslator.java:98)
	at org.apache.cayenne.access.translator.select.DefaultSelectTranslator.getSql(DefaultSelectTranslator.java:104)
	at org.apache.cayenne.access.jdbc.SelectAction.performAction(SelectAction.java:87)
	at org.apache.cayenne.access.DataNodeQueryAction.runQuery(DataNodeQueryAction.java:97)
	at org.apache.cayenne.access.DataNode.performQueries(DataNode.java:273)

Issue Links

• is related to: CAY-2764 Split expressions do not work with DB relationships