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Apache DataFusion SQL Query Engine
**Describe the bug** DF uses `tokio::spawn` in `spawn_execution` function. It uses a channel under the hood to transfer data from tasks back to the output stream. Right now, it doesn't...
**Describe the bug** I am trying to use the new exact median aggregation function introduced by @andygrove in https://github.com/apache/arrow-datafusion/pull/3009, but when I try it using the DataFrame API the operation...
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** We have many issues now for subquery support, with some duplication so...
# Which issue does this PR close? Closes #1352 Closes #3001 Closes #2866 You can also close #2558 and close #1813 though they're not directly related to this PR #...
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** DataFusion is too difficult to learn for new users. See https://towardsdev.com/writing-a-data-pipeline-in-rust-with-datafusion-25b5e45410ca for...
# Which issue does this PR close? Closes #2584 # Rationale for this change If offset is 0, it should be a no-op and can be optimized out. Questions to...
# Which issue does this PR close? Closes https://github.com/apache/arrow-datafusion/issues/3099 Depends on https://github.com/sqlparser-rs/sqlparser-rs/pull/569 # Rationale for this change I would like to support queries using `SIMILAR TO` syntax in Postgres. #...
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** A clear and concise description of what the problem is. Ex. I'm...
# !!! Please correct me if i'm wrong !!! # Intro - This changes breaks some original behaviors. - UTC+8 is the local time zone in my examples. - As...
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** Current [to_timestamp](https://arrow.apache.org/datafusion/user-guide/sql/datafusion-functions.html#to-timestamp) assume the input number is nanoseconds from 1970 ```bash ❯...