Re: [I] Support zero copy hash repartitioning for Hash Join [datafusion]

2025-04-05 Thread via GitHub
goldmedal commented on issue #15382: URL: https://github.com/apache/datafusion/issues/15382#issuecomment-2751311833 > * Add a mode that outputs selection vectors (for now let's use dense boolean arrays so it can be added to `RecordBatch`) in `RepartitionExec`. The array outputs `true` f

Re: [I] Support zero copy hash repartitioning for Hash Join [datafusion]

2025-03-25 Thread via GitHub
zebsme commented on issue #15382: URL: https://github.com/apache/datafusion/issues/15382#issuecomment-2752247061 > > > * Add a mode that outputs selection vectors (for now let's use dense boolean arrays so it can be added to `RecordBatch`) in `RepartitionExec`. The array outputs `true`

Re: [I] Support zero copy hash repartitioning for Hash Join [datafusion]

2025-03-25 Thread via GitHub
Dandandan commented on issue #15382: URL: https://github.com/apache/datafusion/issues/15382#issuecomment-2750596093 Yes, I agree with @alamb I don't consider this super easy. However, feel free to try and implement some steps and let us know when you need help @zebsme . Probably it m

Re: [I] Support zero copy hash repartitioning for Hash Join [datafusion]

2025-03-24 Thread via GitHub
alamb commented on issue #15382: URL: https://github.com/apache/datafusion/issues/15382#issuecomment-2749333765 @zebsme this is likely a fairly tricky thing to implement, just FYI -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitH