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We're considering the adoption of DataFusion as a replacement for our custom query planner and plan optimizer. However this would require the ability to extend the Optimizer with custom optimization r…
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**Describe the bug**
The unparser code in DataFusion (responsible for turning LogicalPlans back into SQL statements) does not handle IntervalMonthDayNano scalar values, which causes several of the TP…
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**Describe the bug**
We don't have stubs for the following Trino functions:
```
error: Failed to parse 111 functions:
bitwise_or_agg: Internal error: [BUG] rust function trino::bitwise_or_agg_big…
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**Describe the bug**
I followed the https://arrow.apache.org/datafusion/user-guide/cli.html, but
the CLI cannot run
```
datafusion-cli
-bash: datafusion-cli: command not found
```
python modul…
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### Is your feature request related to a problem or challenge?
I had some discussions with @alamb about supporting a dynamic file data source (`select ... from 'select .. from 'data.parquet'` like #4…
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I recently discovered that both [polars](https://github.com/pola-rs/polars/issues/16248) and [datafusion-python](https://github.com/apache/datafusion-python/issues/703) do not push down timestamp pred…
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Would be pretty interesting to see how well these OLAP query engines fare.
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Hello
I would like to write into Delta lake via DataFusion just like spark.
Future support
Append, overwrite, Merge into
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(disclaimer: I am biased being the one who merges sqlparser prs and also am the Apache DataFusion PMC chair)
# Problem Statement
[sqlparser](https://crates.io/crates/sqlparser/reverse_dependenci…
alamb updated
2 weeks ago
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### What is the problem the feature request solves?
Our recent benchmarks show that most TPC-H queries were faster with Comet enabled, but q14, q16, and q19 were slower. We should try and understan…