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[Data] - Add alias expression#56550

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goutamvenkat-anyscale:goutam/alias_expr
Sep 24, 2025
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[Data] - Add alias expression#56550
alexeykudinkin merged 12 commits intoray-project:masterfrom
goutamvenkat-anyscale:goutam/alias_expr

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@goutamvenkat-anyscale goutamvenkat-anyscale commented Sep 15, 2025

Why are these changes needed?

This change adds support for renaming resultant expressions via alias().

As a result of this change, we can eventually consolidate the Project operator to use only expressions instead of having to support cols and cols_rename in addition to expressions.

Related issue number

Checks

  • I've signed off every commit(by using the -s flag, i.e., git commit -s) in this PR.
  • I've run scripts/format.sh to lint the changes in this PR.
  • I've included any doc changes needed for https://docs.ray.io/en/master/.
    • I've added any new APIs to the API Reference. For example, if I added a
      method in Tune, I've added it in doc/source/tune/api/ under the
      corresponding .rst file.
  • I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
  • Testing Strategy
    • Unit tests
    • Release tests
    • This PR is not tested :(

@goutamvenkat-anyscale
[Data] - Add alias expression
cd1b91e 
Signed-off-by: Goutam V. <goutam@anyscale.com>
@goutamvenkat-anyscale
Add alias to docs
1104920 
Signed-off-by: Goutam V. <goutam@anyscale.com>
@goutamvenkat-anyscale goutamvenkat-anyscale requested a review from a team as a code owner September 15, 2025 21:27
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Code Review

This pull request introduces the alias() method for expressions, allowing them to be renamed. This is a key feature for improving the usability of expression-based APIs. The implementation is solid, with good test coverage. I've provided a few suggestions to improve the efficiency of literal expression evaluation and to simplify a test assertion.

@goutamvenkat-anyscale
Doc fix
95c0828 
Signed-off-by: Goutam V. <goutam@anyscale.com>
@goutamvenkat-anyscale goutamvenkat-anyscale added data Ray Data-related issues go add ONLY when ready to merge, run all tests labels Sep 16, 2025
alexeykudinkin
alexeykudinkin reviewed Sep 16, 2025
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@goutamvenkat-anyscale
Use the name from aliasExpr
2107892 
Signed-off-by: Goutam V. <goutam@anyscale.com>
@goutamvenkat-anyscale
Merge from master + conflicts
245338f 
Signed-off-by: Goutam V. <goutam@anyscale.com>
@goutamvenkat-anyscale
Merge branch 'master' into goutam/alias_expr
e0e33a9
alexeykudinkin
alexeykudinkin approved these changes Sep 19, 2025
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Minor comments

iamjustinhsu
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ur PRs are now under my scrutiny :)

@goutamvenkat-anyscale
Cleanup + remove aliasexpr + address comments
9521203 
Signed-off-by: Goutam V. <goutam@anyscale.com>
iamjustinhsu
iamjustinhsu approved these changes Sep 19, 2025
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Fix test
3153ee3 
Signed-off-by: Goutam V. <goutam@anyscale.com>
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alexeykudinkin
alexeykudinkin approved these changes Sep 23, 2025
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Address comments
3cade97 
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@goutamvenkat-anyscale
Fix test
c4ad0e8 
Signed-off-by: Goutam V. <goutam@anyscale.com>
@alexeykudinkin alexeykudinkin merged commit f6021d8 into ray-project:master Sep 24, 2025
6 checks passed
marcostephan pushed a commit to marcostephan/ray that referenced this pull request Sep 24, 2025
@goutamvenkat-anyscale @marcostephan
[Data] - Add alias expression (ray-project#56550)
50c231f 
<!-- Thank you for your contribution! Please review
https://github.com/ray-project/ray/blob/master/CONTRIBUTING.rst before
opening a pull request. -->

<!-- Please add a reviewer to the assignee section when you create a PR.
If you don't have the access to it, we will shortly find a reviewer and
assign them to your PR. -->

## Why are these changes needed?

This change adds support for renaming resultant expressions via
`alias()`.

As a result of this change, we can eventually consolidate the Project
operator to use only expressions instead of having to support `cols` and
`cols_rename` in addition to expressions.

## Related issue number

<!-- For example: "Closes ray-project#1234" -->

## Checks

- [x] I've signed off every commit(by using the -s flag, i.e., `git
commit -s`) in this PR.
- [x] I've run `scripts/format.sh` to lint the changes in this PR.
- [ ] I've included any doc changes needed for
https://docs.ray.io/en/master/.
- [ ] I've added any new APIs to the API Reference. For example, if I
added a
method in Tune, I've added it in `doc/source/tune/api/` under the
           corresponding `.rst` file.
- [ ] I've made sure the tests are passing. Note that there might be a
few flaky tests, see the recent failures at https://flakey-tests.ray.io/
- Testing Strategy
   - [x] Unit tests
   - [ ] Release tests
   - [ ] This PR is not tested :(

---------

Signed-off-by: Goutam V. <goutam@anyscale.com>
Signed-off-by: Marco Stephan <marco@magic.dev>
elliot-barn pushed a commit that referenced this pull request Sep 27, 2025
@goutamvenkat-anyscale @elliot-barn
[Data] - Add alias expression (#56550)
710a434 
<!-- Thank you for your contribution! Please review
https://github.com/ray-project/ray/blob/master/CONTRIBUTING.rst before
opening a pull request. -->

<!-- Please add a reviewer to the assignee section when you create a PR.
If you don't have the access to it, we will shortly find a reviewer and
assign them to your PR. -->

## Why are these changes needed?

This change adds support for renaming resultant expressions via
`alias()`.

As a result of this change, we can eventually consolidate the Project
operator to use only expressions instead of having to support `cols` and
`cols_rename` in addition to expressions.

## Related issue number

<!-- For example: "Closes #1234" -->

## Checks

- [x] I've signed off every commit(by using the -s flag, i.e., `git
commit -s`) in this PR.
- [x] I've run `scripts/format.sh` to lint the changes in this PR.
- [ ] I've included any doc changes needed for
https://docs.ray.io/en/master/.
- [ ] I've added any new APIs to the API Reference. For example, if I
added a
method in Tune, I've added it in `doc/source/tune/api/` under the
           corresponding `.rst` file.
- [ ] I've made sure the tests are passing. Note that there might be a
few flaky tests, see the recent failures at https://flakey-tests.ray.io/
- Testing Strategy
   - [x] Unit tests
   - [ ] Release tests
   - [ ] This PR is not tested :(

---------

Signed-off-by: Goutam V. <goutam@anyscale.com>
Signed-off-by: elliot-barn <elliot.barnwell@anyscale.com>
dstrodtman pushed a commit to dstrodtman/ray that referenced this pull request Oct 6, 2025
@goutamvenkat-anyscale @dstrodtman
[Data] - Add alias expression (ray-project#56550)
8f73a91 
<!-- Thank you for your contribution! Please review
https://github.com/ray-project/ray/blob/master/CONTRIBUTING.rst before
opening a pull request. -->

<!-- Please add a reviewer to the assignee section when you create a PR.
If you don't have the access to it, we will shortly find a reviewer and
assign them to your PR. -->

## Why are these changes needed?

This change adds support for renaming resultant expressions via
`alias()`.

As a result of this change, we can eventually consolidate the Project
operator to use only expressions instead of having to support `cols` and
`cols_rename` in addition to expressions.

## Related issue number

<!-- For example: "Closes ray-project#1234" -->

## Checks

- [x] I've signed off every commit(by using the -s flag, i.e., `git
commit -s`) in this PR.
- [x] I've run `scripts/format.sh` to lint the changes in this PR.
- [ ] I've included any doc changes needed for
https://docs.ray.io/en/master/.
- [ ] I've added any new APIs to the API Reference. For example, if I
added a
method in Tune, I've added it in `doc/source/tune/api/` under the
           corresponding `.rst` file.
- [ ] I've made sure the tests are passing. Note that there might be a
few flaky tests, see the recent failures at https://flakey-tests.ray.io/
- Testing Strategy
   - [x] Unit tests
   - [ ] Release tests
   - [ ] This PR is not tested :(

---------

Signed-off-by: Goutam V. <goutam@anyscale.com>
Signed-off-by: Douglas Strodtman <douglas@anyscale.com>
justinyeh1995 pushed a commit to justinyeh1995/ray that referenced this pull request Oct 20, 2025
@goutamvenkat-anyscale @justinyeh1995
[Data] - Add alias expression (ray-project#56550)
c9c7183 
<!-- Thank you for your contribution! Please review
https://github.com/ray-project/ray/blob/master/CONTRIBUTING.rst before
opening a pull request. -->

<!-- Please add a reviewer to the assignee section when you create a PR.
If you don't have the access to it, we will shortly find a reviewer and
assign them to your PR. -->

## Why are these changes needed?

This change adds support for renaming resultant expressions via
`alias()`.

As a result of this change, we can eventually consolidate the Project
operator to use only expressions instead of having to support `cols` and
`cols_rename` in addition to expressions.

## Related issue number

<!-- For example: "Closes ray-project#1234" -->

## Checks

- [x] I've signed off every commit(by using the -s flag, i.e., `git
commit -s`) in this PR.
- [x] I've run `scripts/format.sh` to lint the changes in this PR.
- [ ] I've included any doc changes needed for
https://docs.ray.io/en/master/.
- [ ] I've added any new APIs to the API Reference. For example, if I
added a
method in Tune, I've added it in `doc/source/tune/api/` under the
           corresponding `.rst` file.
- [ ] I've made sure the tests are passing. Note that there might be a
few flaky tests, see the recent failures at https://flakey-tests.ray.io/
- Testing Strategy
   - [x] Unit tests
   - [ ] Release tests
   - [ ] This PR is not tested :(

---------

Signed-off-by: Goutam V. <goutam@anyscale.com>
landscapepainter pushed a commit to landscapepainter/ray that referenced this pull request Nov 17, 2025
@goutamvenkat-anyscale @landscapepainter
[Data] - Add alias expression (ray-project#56550)
468caf2 
<!-- Thank you for your contribution! Please review
https://github.com/ray-project/ray/blob/master/CONTRIBUTING.rst before
opening a pull request. -->

<!-- Please add a reviewer to the assignee section when you create a PR.
If you don't have the access to it, we will shortly find a reviewer and
assign them to your PR. -->

## Why are these changes needed?

This change adds support for renaming resultant expressions via
`alias()`.

As a result of this change, we can eventually consolidate the Project
operator to use only expressions instead of having to support `cols` and
`cols_rename` in addition to expressions.

## Related issue number

<!-- For example: "Closes ray-project#1234" -->

## Checks

- [x] I've signed off every commit(by using the -s flag, i.e., `git
commit -s`) in this PR.
- [x] I've run `scripts/format.sh` to lint the changes in this PR.
- [ ] I've included any doc changes needed for
https://docs.ray.io/en/master/.
- [ ] I've added any new APIs to the API Reference. For example, if I
added a
method in Tune, I've added it in `doc/source/tune/api/` under the
           corresponding `.rst` file.
- [ ] I've made sure the tests are passing. Note that there might be a
few flaky tests, see the recent failures at https://flakey-tests.ray.io/
- Testing Strategy
   - [x] Unit tests
   - [ ] Release tests
   - [ ] This PR is not tested :(

---------

Signed-off-by: Goutam V. <goutam@anyscale.com>
Future-Outlier pushed a commit to Future-Outlier/ray that referenced this pull request Dec 7, 2025
@goutamvenkat-anyscale @Future-Outlier
[Data] - Add alias expression (ray-project#56550)
5cb5dd7 
<!-- Thank you for your contribution! Please review
https://github.com/ray-project/ray/blob/master/CONTRIBUTING.rst before
opening a pull request. -->

<!-- Please add a reviewer to the assignee section when you create a PR.
If you don't have the access to it, we will shortly find a reviewer and
assign them to your PR. -->

## Why are these changes needed?

This change adds support for renaming resultant expressions via
`alias()`.

As a result of this change, we can eventually consolidate the Project
operator to use only expressions instead of having to support `cols` and
`cols_rename` in addition to expressions.

## Related issue number

<!-- For example: "Closes ray-project#1234" -->

## Checks

- [x] I've signed off every commit(by using the -s flag, i.e., `git
commit -s`) in this PR.
- [x] I've run `scripts/format.sh` to lint the changes in this PR.
- [ ] I've included any doc changes needed for
https://docs.ray.io/en/master/.
- [ ] I've added any new APIs to the API Reference. For example, if I
added a
method in Tune, I've added it in `doc/source/tune/api/` under the
           corresponding `.rst` file.
- [ ] I've made sure the tests are passing. Note that there might be a
few flaky tests, see the recent failures at https://flakey-tests.ray.io/
- Testing Strategy
   - [x] Unit tests
   - [ ] Release tests
   - [ ] This PR is not tested :(

---------

Signed-off-by: Goutam V. <goutam@anyscale.com>
Signed-off-by: Future-Outlier <eric901201@gmail.com>
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