liukun4515 edited a comment on issue #122:
URL:
https://github.com/apache/arrow-datafusion/issues/122#issuecomment-975036335
- [ ] create external csv table with decimal data type in SQL parse and
logical plan.
- [ ] decimal scalar #1393
- [ ] select column with decimal datatype
- [ ] support aggregate function(example min,max,count,sum)
- [ ] min/max https://github.com/apache/arrow-datafusion/pull/1407
- [ ] sum/avg https://github.com/apache/arrow-datafusion/pull/1408
- [ ] count/ApproxDistinct/ArrayAgg
- [ ] coercion rule for aggregate function
https://github.com/apache/arrow-datafusion/pull/1387
- [ ] SIMD in arrow-rs https://github.com/apache/arrow-rs/issues/1010
- [ ] support expr evaluation (using in select, filter and other clause)
- [ ] support cast
discussion about the result data type
https://github.com/apache/arrow-datafusion/issues/1418
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