Sreeni Viswanadha

icon indicating a website link https://javacc.org

icon company Meta Platforms icon location Cupertino, CA icon location I'm one of the original developers and current project owner and the main contributor to the JavaCC parser generator open source project.

Results 10 comments of Sreeni Viswanadha

[Abandoned] Optimize DistinctLimit for small limit values

We will revert/cleanup the previous hash based distinct limit PR once this is merged as that's not helping as much as I expected.

[Abandoned] Optimize DistinctLimit for small limit values

Abandoning this. Trying to find other ways of improving distinct limit :)

Throw exception when number of nodes in logical plan exceeds threshold during query planning

Nice addition of SqlPlannerContext! Should help with future enhancements.

Enable Presto Verifier to rewrite function call in source query

> Enable Presto Verifier to substitute function call expressions in a source query, according to the user specified substitution pattern, nondeterministic-function-substitutes. > > Rewriting function call expressions allows Presto Verifier...

Optimize repeat function by creating runlength block

Also can we do some similar for SEQUENCE - using literal encoder?

Remove the newer SqlQueryScheduler

If it is a useful/functional piece we should keep it. Who knows maybe we will find use for it!

Warn about global window functions (without partition by)

Or better yet - just rewrite it to be a cross-join (optionally)

Warn about global window functions (without partition by)

> I am a student trying to contribute and would like to take work on this issue. Just to make it simple, can you clarify which files need to be...

(v2) Fix ROUND() returning incorrect results for edge cases

Can you add the benchmark that you said did not commit so we can be sure? Thanks!

Fix GroupReferences resolution

Can you add a SQL query that produces the issue?