[AURON #2217] Support Iceberg _spec_id metadata in native scan#2218
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weimingdiit wants to merge 1 commit intoapache:masterfrom
Open
[AURON #2217] Support Iceberg _spec_id metadata in native scan#2218weimingdiit wants to merge 1 commit intoapache:masterfrom
weimingdiit wants to merge 1 commit intoapache:masterfrom
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Signed-off-by: weimingdiit <weimingdiit@gmail.com>
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Which issue does this PR close?
Closes #2217
Rationale for this change
Native Iceberg scan currently supports projecting the
_filemetadata column, but falls back when_spec_idis requested._spec_idis a file-level Iceberg metadata column and can be materialized as a per-file constant value in the native scan, similar to_file.What changes are included in this PR?
This PR adds native scan support for the Iceberg
_spec_idmetadata column._spec_idin Iceberg native scan metadata column validation._spec_idfromFileScanTask.file().specId()as a per-file partition value._spec_idprojection and mixed data/metadata projection with_fileand_spec_id.Are there any user-facing changes?
Yes. Queries that project Iceberg
_spec_idcan now use the native Iceberg scan path instead of falling back to Spark.How was this patch tested?
CI.