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Hi all,
I'm investigating [prestissimo tpcds q18&q27](https://github.com/prestodb/presto/blob/1fda1368b1f16dc5e05f79640cc9ce837caf077d/presto-native-execution/src/test/java/com/facebook/presto/nat…
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Hi Presto team:
I spend some time working on make SSL connection works on Mac with system key-store/trust-store,
here is my sample code before do the SSL connection:
TrustManager[] t…
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There is a problem in casting between varchar type columns (with different lengths) in Prestissimo.
In the following SQL the input is a varchar[8] type column cast into varchar(3) and C++ worker …
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### Bug description
When testing Glue catalog with Velox, I found that bucketed tables are broken in Prestissimo/Velox due to file name compatibility issues with Presto. The error is due to differenc…
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Example failure: https://github.com/prestodb/presto/actions/runs/11350506950/job/31569394356?pr=23837
```
Error: Tests run: 77, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 469.432 s
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have we ever consider adding support for the view of hive or have this plan but not start?
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Currently read jdbc-based tables are using single connection which could be slow. However other data engines are able to do a parallel table read. See the below.
In Sqoop - https://sqoop.apache.org…
dain updated
3 months ago
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When "show catalogs" is executed by a user who does not have access to the catalog after integrating the ranger, it returns "catalog returns null resulting in a system error ".
The details of the e…
chufa updated
2 years ago
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`COUNT(*)` with `COUNT(DISTINCT x)` produces `NULL` for `COUNT(*)` when all input data is filtered out.
```
presto:tiny> SELECT COUNT(DISTINCT linenumber), COUNT(*) from lineitem where linenumber …
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Sometimes we need to create a TDigest from merging existing digests that appear in different columns of the source table. It's possible to do this in a couple ways with UNION or CROSS JOIN UNNEST to …