feat: Support GetArrayStructFields expression
#993
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Kimahriman
changed the title
GetArrayStructFields expression
Kimahriman
changed the title
GetArrayStructFields expressionGetArrayStructFields expression
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #993 +/- ##
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+ Coverage 34.03% 54.84% +20.81%
+ Complexity 875 858 -17
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Files 112 109 -3
Lines 43289 10841 -32448
Branches 9572 2101 -7471
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- Hits 14734 5946 -8788
+ Misses 25521 3821 -21700
+ Partials 3034 1074 -1960
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andygrove
reviewed
Oct 2, 2024
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| case GetArrayStructFields(child, _, ordinal, _, _) => |
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To help other reviewers, here is Spark's definition of GetArrayStructFields:
case class GetArrayStructFields(
child: Expression,
field: StructField,
ordinal: Int,
numFields: Int,
containsNull: Boolean)
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Author
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Yeah those other three fields aren't relevant for actual execution
coderfender
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to coderfender/datafusion-comet
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Dec 13, 2025
## Which issue does this PR close? <!-- We generally require a GitHub issue to be filed for all bug fixes and enhancements and this helps us generate change logs for our releases. You can link an issue to this PR using the GitHub syntax. For example `Closes apache#123` indicates that this PR will close issue apache#123. --> Closes #. ## Rationale for this change <!-- Why are you proposing this change? If this is already explained clearly in the issue then this section is not needed. Explaining clearly why changes are proposed helps reviewers understand your changes and offer better suggestions for fixes. --> ## What changes are included in this PR? <!-- There is no need to duplicate the description in the issue here but it is sometimes worth providing a summary of the individual changes in this PR. --> ``` cb3e977 perf: Add experimental feature to replace SortMergeJoin with ShuffledHashJoin (apache#1007) 3df9d5c fix: Make comet-git-info.properties optional (apache#1027) 4033687 chore: Reserve memory for native shuffle writer per partition (apache#1022) bd541d6 (public/main) remove hard-coded version number from Dockerfile (apache#1025) e3ac6cf feat: Implement bloom_filter_agg (apache#987) 8d097d5 (origin/main) chore: Revert "chore: Reserve memory for native shuffle writer per partition (apache#988)" (apache#1020) 591f45a chore: Bump arrow-rs to 53.1.0 and datafusion (apache#1001) e146cfa chore: Reserve memory for native shuffle writer per partition (apache#988) abd9f85 fix: Fallback to Spark if named_struct contains duplicate field names (apache#1016) 22613e9 remove legacy comet-spark-shell (apache#1013) d40c802 clarify that Maven central only has jars for Linux (apache#1009) 837c256 docs: Various documentation improvements (apache#1005) 0667c60 chore: Make parquet reader options Comet options instead of Hadoop options (apache#968) 0028f1e fix: Fallback to Spark if scan has meta columns (apache#997) b131cc3 feat: Support `GetArrayStructFields` expression (apache#993) 3413397 docs: Update tuning guide (apache#995) afd28b9 Quality of life fixes for easier hacking (apache#982) 18150fb chore: Don't transform the HashAggregate to CometHashAggregate if Comet shuffle is disabled (apache#991) a1599e2 chore: Update for 0.3.0 release, prepare for 0.4.0 development (apache#970) ``` ## How are these changes tested? <!-- We typically require tests for all PRs in order to: 1. Prevent the code from being accidentally broken by subsequent changes 2. Serve as another way to document the expected behavior of the code If tests are not included in your PR, please explain why (for example, are they covered by existing tests)? -->
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Which issue does this PR close?
Closes #992
Rationale for this change
Support the last complex type extractor for arrays and structs.
What changes are included in this PR?
Adds support for the
GetArrayStructFieldsexpression in Spark which extracts a nested struct field of an array of structs as an array of the inner field type.How are these changes tested?
New expression UT.