gabotechs opened a new pull request, #15794:
URL: https://github.com/apache/datafusion/pull/15794
## Which issue does this PR close?
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- Closes #13864.
## Rationale for this change
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Why are you proposing this change? If this is already explained clearly in
the issue then this section is not needed.
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The `consumer.rs` file grew a bit too big (~3400 LOC). Good thing is that
it's easily splittable into separate files, each one responsible for converting
one Substrait node into one DataFusion Logical plan node. With this change,
people can just go to the file that they care about greatly reducing the amount
of information that they need to deal with.
## What changes are included in this PR?
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A refactor of Substrait `consumer.rs` file into multiple files following
these rules:
- Every `from_*` prefixed function responsible for converting one Substrait
node into one DataFusion Logical plan node is now factored out into its own
file named after the original Substrait node (e.g. `cast.rs`, `literal.rs`,
`aggregate_rel.rs`
- Every helper function that was only used once for a specific node
conversion is moved to the same file that holds the node conversion function
- Every helper function that is used by two or more node conversion
functions is moved to a `utils.rs` file
- The visibility rules of the functions to the outside is left intact,
making proper use of `pub(super)` for functions that now need to be shared
across different files.
- All the function names and function bodies are copy-pasted exactly as they
were
## Are these changes tested?
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yes, by current pipelines.
## Are there any user-facing changes?
Nothing, just a pure refactor.
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