datafusion

datafusion copied to clipboard

move the type coercion out of the optimizer and refactor the optimizer

5

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** When I do this pr https://github.com/apache/arrow-datafusion/pull/3396/files# I am stuck by many issue...

liukun4515

IsDistinctFrom/IsNotDistinctFrom for decimal type

1

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** part of #122 in the #122, we have supported the decimal type...

liukun4515

Support using offset index in `ParquetRecordBatchStream` when pushing down `RowFilter`

3

**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

**Describe the bug** table_path when using: ``` context.register_csv ``` does not support spaces in path. **To Reproduce** ``` context = SessionContext::new(); context .register_csv("testing", "/folder/test folder/testing.csv", CsvReadOptions::new()) .await ``` **Expected behavior**...

crc-sstubbs

Custom window frame logic (support `ROWS`, `RANGE`, `PRECEDING` and `FOLLOWING` for window functions)

4

****Which issue does this PR close?**** We offer a partial implementation of [windows with custom window frames](https://www.postgresql.org/docs/current/sql-expressions.html#SYNTAX-WINDOW-FUNCTIONS) and improve the situation on [#361](https://github.com/apache/arrow-datafusion/issues/361). As a team, this is our first...

metesynnada

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** the three exprs `expr1 between expr2 and expr3` should have the same...

liukun4515

**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...

kmitchener

make type coercion simple and remove the evaluate logic

1

**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...

liukun4515

`StringConcat` gives inconsistent result with `concat` when containing `null`

1

**Describe the bug** A clear and concise description of what the bug is. **To Reproduce** Steps to reproduce the behavior: ``` ❯ select concat('a', null) from t; +------------------------+ | concat(Utf8("a"),NULL)...

HaoYang670

ReduceOuterJoin optimizer support `cast or try_cast` expr.

2

**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...

liukun4515