On Wed, Mar 22, 2023 at 8:32 PM 'Christian Stewart' via golang-nuts < golang-nuts@googlegroups.com> wrote:
> you can achieve this using an io.Pipe. The io.Pipe function returns a > connected pair of *PipeReader and *PipeWriter, where writes to the > *PipeWriter are directly read from the *PipeReader. The Write call on the > *PipeWriter will block until the data is read from the *PipeReader. > > pr, pw := io.Pipe() > > Pass the pr as the body and write to the pw. > And when you are done generating the content, close pw. > > On Wed, Mar 22, 2023, 7:06 PM 'Jim Smart' via golang-nuts < > golang-nuts@googlegroups.com> wrote: > >> The issue here, isn’t that I am uploading a big file — that’s easy. >> >> As I said in my initial post: >> >> > The use case here is that I'm wishing to send very large UPDATE/INSERT >> queries/commands to an HTTP endpoint, and the body content of those >> queries/commands is actually generated from a database. >> >> The content I wish to push to the server, is /generated/ content. So >> really what I want is a something I can directly write into. >> >> I am trying to avoid generating my upload content into a buffer first. >> Because the data can be very large. >> >> — It’s easy to say “write a reader” but writing it as a reader involves >> doing complete inversion of control on my code, and isn’t really feasible. >> I can’t easily make the code I have which has complex logic to build the >> upload data using Writes, into something that is then driven by Reads. >> >> Which is why I asked if it was possible to somehow Write straight down >> the connection. >> >> >> — Thanks for the suggestions all the same. >> >> /J >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "golang-nuts" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to golang-nuts+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/golang-nuts/C5B2823D-2458-4F91-A09D-6B12F74CD8B3%40jimsmart.org >> . >> > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/CA%2Bh8R2pTUXsWPpywxhRJi_Bs3ZP0hmVP%3DkqZMe6FwJWJS-3BDg%40mail.gmail.com > <https://groups.google.com/d/msgid/golang-nuts/CA%2Bh8R2pTUXsWPpywxhRJi_Bs3ZP0hmVP%3DkqZMe6FwJWJS-3BDg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CAMV2RqoO26VS-G05Y6U-b4VKJMUQPvMMun7SMZtbU0djJMQqEw%40mail.gmail.com.
