datafusion

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**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...

thinkharderdev

Break datafusion crate into smaller crates

13

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** a new feature: to break `datafusion` crate into separate smaller crates. It...

jimexist

Schema qualifiers missing on call to `LogicalPlan::schema`

2

**Describe the bug** When running the query ``` SELECT * FROM a UNION SELECT * FROM b UNION SELECT * FROM c ORDER BY b NULLS FIRST, c NULLS FIRST...

jdye64

Exception: Internal error, Exception: Schema error

2

**Describe the bug** Case 1... Exception: Internal error: Impossibly got empty window expression. This was likely caused by a bug in DataFusion's code. Case 2... Exception: Schema error（same cause as...

ike560

Files without `.parquet`, `.csv` extension inferred as having no schema

4

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** I wrote a test approximating ``` let file = tempfile::tempfile(); // ......

tustvold

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** I would like integration tests in the optimizer crate where we can...

andygrove

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** Since merging https://github.com/apache/arrow-datafusion/commit/ae6dab0d161ba889ae97a304172f06576614aa48 we support join filters on semi/anti joins, although this...

andygrove

Add SQL query planner support for time literal

2

# Which issue does this PR close? Part of https://github.com/apache/arrow-datafusion/issues/2883 # Rationale for this change Support more SQL in the SQL query planner # What changes are included in this...

andygrove

Add support for `TIME` literal values

1

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** We have support for `DATE` literals: ```sql SELECT DATE '2001-12-31' AS "T";...

andygrove

support cast to decimal data type in datafusion

1

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** In the #122 , we need to support the decimal data type....

liukun4515