Vertx 4.0 how to migrate queryStreamWithParams

[E. Ulrich Kriegel]

Hi there,

we are planning to migration  our database operations from Legacy JDBC Client Api to the new Sql Client API. Because our queries result in large result sets we use  rxQueryStream- operations. Where can we find information how to do that with the new API?

Thanks in advance

--ulrich

[Julien Viet]

Hi,

it should be in this guide https://vert-x3.github.io/vertx-4-migration-guide/index.html#changes-in-vertx-jdbc-client_changes-in-client-components but it is not.

normally you should use this API https://vertx.io/docs/vertx-mysql-client/java/#_cursors_and_streaming

it is implemented for JDBC.

can you open an issue for this in the guide ?

Julien

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[E. Ulrich Kriegel]

In the Legacy Database Streaming Interface there is a ResultSetCloseHandler to cope with multiple result sets, but in the new async interfaces there is none.

How to cope here with multiple result sets and streaming?

Thanks