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perf: Use iceberg statistics - #29798
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Expand Iceberg and Delta scans before join ordering when the plan has joins. Row counts and ranges of join and filter columns come from the table metadata, so join ordering, build side selection and runtime join filters can use them without opening data files.
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- Keep the provider request in one struct that is the expansion cache key. - Fold the per-file statistics over chunked arrays without temporary vectors. - Log statistics that fail to load in verbose mode, and handle both Iceberg failure paths in one place. - Rename `projected_filter_schema` to `statistics_schema`.
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October 8, 2026 06:17
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The uncompressed lib size after this PR is 59.5933 MB (at |
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fix #29768
This now gives the same join order as scan_parquet directly.