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feat(proto): implement `AsOfJoinRel`

34

See https://github.com/substrait-io/substrait/issues/330

rtpsw

feat: add chr() function to yaml

2

Hi @jvanstraten @jacques-n Please give a review, Thanks.

zhixingheyi-tian

chore: improve coalesce nullability handling

22

Improve coalesce nullability handling by describing the semantics of coalesce more accurately.

rui-mo

feat: add current_date and current_timestamp functions

4

MasseGuillaume

fix: Update specification.md

1

jacques-n

fix: type promotion issue in aggregate function sum

13

This PR includes a fix for the type promotion on aggregation function `sum`.

vibhatha

feat: update ascii , char_length and strpos functions definitions.

1

Thank you for submitting a PR! Before you continue, please ensure that your commit messages follow [conventional commit syntax](1). This will save you a rebase later. Substrait uses an automated...

lviiii

docs: fix prose for extended expression

2

Follow up on #405 https://github.com/substrait-io/substrait/pull/405#discussion_r1068649388

wjones127

docs: extend extension documentation

2

- Coin the term "core extensions" and describe why they (and extensions in general) exist. - Document guidelines from #251 and #307. - Document common options in core extensions (#254)....

jvanstraten

Add support for "unbound" or "unresolved" expressions

3

Many implementations have a notion of an "unbound expression". This is basically the difference between something like "a + b" and "field(3):i32 + field(0):i32". In an unbound expression we do...

westonpace