express-stream | Response streaming middleware for Express | REST library
kandi X-RAY | express-stream Summary
kandi X-RAY | express-stream Summary
Because express-stream's two middleware functions patch express's res object differently, the API section is divided into two portions--one for each middleware function. Any functions you see within a section are only applicable when used with the middleware from the same portion of the API. stream.pipe()'s API is simpler so it's in a table. stream.stream()'s API is more complex so it's written out with examples.
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QUESTION
I have to stream the json resultset stream returned by cassandra to the browser. I got it working using express-stream but that involved stringifying the each row and and passing it to res.pipe()
I am wondering why following didn't work:
...ANSWER
Answered 2017-Feb-14 at 16:16As per docs for the stream
method of Cassandra driver:
Returns a Readable Streams2 object in objectMode
At the same time, underlying ServerResponse.write
only accepts either String
or Buffer
as a data chunk when sending to the client, not Object
.
That's why it works when each row is stringified.
You would have to use a Transform
stream in the middle to convert the selected cell values to string.
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