feat(RTAS): add TableMetadataBuilder::build_replacement - #3057
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xanderbailey wants to merge 3 commits into
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feat(RTAS): add TableMetadataBuilder::build_replacement#3057xanderbailey wants to merge 3 commits into
xanderbailey wants to merge 3 commits into
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Replaces a table's schema, partition spec and sort order in place, leaving it with no current snapshot but keeping its uuid, properties and snapshots. This is the metadata side of `REPLACE TABLE`, where the caller writes the new contents and commits them together with the replacement. A column whose name the table already has keeps its field id, so data files written before the replacement stay readable through the columns the two schemas share. New columns are assigned above the table's last_column_id and never reuse the id of a dropped column. `ReassignFieldIds` grows a mode for this, matching ids by full field name so that nested fields are covered too. The existing `reassign_ids` gains nothing but a factored-out `rebind_to_schema`, which both paths use to rebuild the partition spec and sort order against the reassigned schema.
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August 25, 2026 14:20
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Which issue does this PR close?
What changes are included in this PR?
Replaces a table's schema, partition spec and sort order in place, leaving it with no current snapshot but keeping its uuid, properties and snapshots. This is the metadata side of
REPLACE TABLE, where the caller writes the new contents and commits them together with the replacement.Are these changes tested?
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