Tag: inner-join

2 consecutive stream-stream inner joins produce wrong results: what does KStream join between streams really do internally?

apache-kafka apache-kafka-streams inner-join java join

The problem setting I have a stream of nodes and a stream of edges that represent consecutive updates of a graph and I want to build patterns composed of nodes and edges using multiple joins in series. Let’s suppose I want to match a pattern like: (node1) –[edge1]–> (node2). My idea is to join the stream of nodes with the

SQL query is only returning one entry, when it should be returning several

inner-join java jsp sql where-clause

I am creating a book tagging system and I am trying to call all the books with the same tag. My query is only turning up the first book, and not any of the following books with the same tag. Here is the books table for the database Here is the book_tags table for the database: Here is the BookTagDAOImpl