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Vectorized Query Execution could have big performance improvement for SQL engines like Hive, Drill, and Presto. Instead of processing one row at a time, Vectorized Query Execution could streamline ope…
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Forked from https://github.com/prestodb/presto/issues/19291
Prestissimo fails with the tpch connector like so:
```
Query 20230413_142635_00005_mw7ts failed: idx != std::nullopt Column 'custke…
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I am using Zeppelin notebooks with Spark interpreter for my daily tasks; along with Hive MetaStore to publish tables and views from my Zeppelin notebooks. I later use a BI tool to generate reports usi…
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Only found when running TPC-DS SF-10K
```
VeloxRuntimeError: it != idToString_.end() Trying to add a reference to id 935976 that is not in StringIdMap Split [Hive: s3a://tpcdssf10000hive/catalog_sales…
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Recently, an additional configuration file called velox.properties was added in Prestissimo that could be used to initialize the Velox Query config defaults.
Is this extra file needed ?
Could w…
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I followed this doc to build the connector and the build finished successfully.
https://github.com/tidb-incubator/TiBigData/tree/master/prestosql
my tidb plugin folder content as blew:
```
roo…
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### Presto aggregate function: APPROX_HEAVY_HITTERS(A, min_percent_share, ε, δ) -> MAP(K, V)
A= column of the table. In other words, entire array of values.
n= total number of values(rows) in A
min…
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_Spawning a new issue for the comment on https://github.com/prestodb/presto/issues/22184#issuecomment-1996569271_
## Experiment with and without CAST
I was looking at possible causes for the laten…
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In Delta tables, NULL values are returned in partitioned uppercase columns. For example, for the following Delta table in S3:
![image](https://github.com/prestodb/presto/assets/136591152/c25f95a7…
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Refer https://github.com/prestodb/presto/issues/9990 for more discussion.