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Add performance tip #2532

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merged 1 commit into from
Oct 10, 2023
Merged

Add performance tip #2532

merged 1 commit into from
Oct 10, 2023

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jilen
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@jilen jilen commented Jul 11, 2022

Add a compiler performance tip.

@jilen jilen force-pushed the compiler_performance_tip branch 3 times, most recently from a431190 to 718019a Compare July 11, 2022 03:37
@deusaquilus
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deusaquilus commented Jul 11, 2022 •
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Nice catch @jilen! This is very, very useful!
If you don't mind I'd like to polish the grammar a little bit before committing.

@jilen
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jilen commented Jul 11, 2022

@deusaquilus Yes, my English is poor, it would be great if you can improve the description.

@guizmaii guizmaii mentioned this pull request Jun 3, 2023
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guizmaii commented Aug 17, 2023 •
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@deusaquilus @jilen I feel like this is a pain for many Quill users and so I'd like to merge this PR.

Can we merge it as is? @deusaquilus Can you bring the precision you wanted to bring maybe, please?

Also, since 2.13.11, implicit must have explicit type declaration, which seems to go against this trick. How do we solve this issue?

Edit:
Found the answer to my last question here: scala/bug#12798 (comment)
Basically we need to wait for Scala 2.13.12 so that we can @nowarn the scalac fatal warnings that will be emitted for these implicit instances

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@jilen Now that Scala 2.13.12 is out, could you please update your PR to explain how to make this trick work with the new version of Scala, please?

@mkemaldurmus
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@jilen any update on this pr ?

@jilen jilen force-pushed the compiler_performance_tip branch 2 times, most recently from 1cd0679 to b626c70 Compare September 27, 2023 07:43
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@jilen Is this ready to be merged?

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@jilen The CI passes. Is your PR ready?
if possible I'd like to merge it before making a new release and I need to make a new release soon as the v4.7.0 didn't publish some modules for the Scala 2.13 version (which I fixed today here: #2877)

@jilen jilen force-pushed the compiler_performance_tip branch 5 times, most recently from 5bb0d5e to 9514d21 Compare October 8, 2023 12:32
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jilen commented Oct 10, 2023

@guizmaii The doc is rewritten. I think we can merge it first if no obvious errors.

guizmaii
guizmaii reviewed Oct 10, 2023
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docs/compiler-performance.md Outdated
val ctx = SqlMirrorContext(MirrorIdiom, Literal)

// Prevent using default macro generated query meta instance.
import ctx.{ materializeQueryMeta => _, _ }
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@guizmaii guizmaii Oct 10, 2023 •
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Can we use the Scala3 syntax maybe? Or at least show it also? People are probably using the -Xsource:3 flag even if they still use Scala2
Is it:

import ctx.{ materializeQueryMeta => *, * }

?

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@jilen Thanks for this! I just left one comment. Let me know what you think 🙂

@jilen jilen merged commit 800a540 into master Oct 10, 2023
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@jilen jilen deleted the compiler_performance_tip branch October 10, 2023 09:32
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@jilen @deusaquilus @guizmaii @mkemaldurmus