One-2-One mapping in MongoDB should not require PK on child table ----------------------------------------------------------------- Key: TEIID-2830 URL: https://issues.jboss.org/browse/TEIID-2830 Project: Teiid Issue Type: Bug Components: Misc. Connectors Affects Versions: 8.4 Reporter: Ramesh Reddy Assignee: Ramesh Reddy Fix For: 8.7 A schema like {code} CREATE FOREIGN TABLE Customer ( CustomerId integer PRIMARY KEY, FirstName varchar(25), LastName varchar(25), ) OPTIONS(UPDATABLE 'TRUE'); CREATE FOREIGN TABLE Address ( CustomerId integer, Street varchar(50), City varchar(25), State varchar(25), Zipcode varchar(6), FOREIGN KEY (CustomerId) REFERENCES Customer (CustomerId), ) OPTIONS(UPDATABLE 'TRUE', teiid_mongo:MERGE 'Customer'); {code} will fail on second insert with NPE for lack of PK on the Address table {code} insert into Customer (customer_id ,first_name,last_name) values ('1002','Syed','Iqbal'); insert into Address (customer_id,street,city,state,zipcode) values ('1002','123 Main St','Chicago','IL','60659'); {code} the Exception is {code} 09:38:53,250 ERROR [org.teiid.CONNECTOR] (Worker1_QueryProcessorQueue11) 70p5084MEtHx Connector worker process failed for atomic-request=70p5084MEtHx.0.0.3: java.lang.NullPointerException at org.teiid.translator.mongodb.MongoDocument.buildMergeKey(MongoDocument.java:252) at org.teiid.translator.mongodb.MongoDocument.build(MongoDocument.java:143) at org.teiid.translator.mongodb.MongoDocument.<init>(MongoDocument.java:64) at org.teiid.translator.mongodb.MongoDBSelectVisitor.visit(MongoDBSelectVisitor.java:400) at org.teiid.language.NamedTable.acceptVisitor(NamedTable.java:66) [teiid-api-8.7.0.Alpha2-SNAPSHOT.jar:8.7.0.Alpha2-SNAPSHOT] at org.teiid.language.visitor.AbstractLanguageVisitor.visitNode(AbstractLanguageVisitor.java:51) [teiid-api-8.7.0.Alpha2-SNAPSHOT.jar:8.7.0.Alpha2-SNAPSHOT] at org.teiid.translator.mongodb.MongoDBSelectVisitor.append(MongoDBSelectVisitor.java:95) at org.teiid.translator.mongodb.MongoDBUpdateVisitor.visit(MongoDBUpdateVisitor.java:59) at org.teiid.language.Insert.acceptVisitor(Insert.java:57) [teiid-api-8.7.0.Alpha2-SNAPSHOT.jar:8.7.0.Alpha2-SNAPSHOT] {code}