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Forward-merge branch-23.12 to branch-24.02 #14449

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Nov 18, 2023
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Forward-merge triggered by push to branch-23.12 that creates a PR to keep branch-24.02 up-to-date. If this PR is unable to be immediately merged due to conflicts, it will remain open for the team to manually merge.

When parsing expressions, device data references are reused if there are multiple that are identical. Equality is determined by comparing the fields of the reference, but previously the data type was omitted. For column and literal references, this is OK because the `data_index` uniquely identifies the reference. For intermediates, however, the index is not sufficient to disambiguate because an expression could reuse a given location even if the operation produces a different data type. Therefore, the data type must be part of the equality operator.

Resolves #14409

Authors:
  - Vyas Ramasubramani (https://github.com/vyasr)

Approvers:
  - David Wendt (https://github.com/davidwendt)
  - Bradley Dice (https://github.com/bdice)

URL: #14445
@GPUtester GPUtester requested a review from a team as a code owner November 18, 2023 01:44
@GPUtester GPUtester merged commit 9971790 into branch-24.02 Nov 18, 2023
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@github-actions github-actions bot added the libcudf Affects libcudf (C++/CUDA) code. label Nov 18, 2023
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SUCCESS - forward-merge complete.

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