[v25.1.x] [CORE-13087] dl/coordinator: don't purge data when dropping Glue table#27382
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andrwng merged 2 commits intoredpanda-data:v25.1.xfrom Aug 28, 2025
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We'll need another kludge for Glue (to not purge tables when dropping, which isn't currently supported by Glue), so this pulls out the Glue-detecting logic for reuse in a subsequent commit. (cherry picked from commit 60093e7)
Glue doesn's support the purgeRequested option when dropping tables, and will reject our requests indefinitely when a tombstone exists. This ends up blocking topic tombstone removal, and therefore blocks subsequent Iceberg topics of the same name from translating any data. This commit plumbs a bool to the drop_table() command that is false for Glue. I considered doing this in the catalog layer, but opted to be more explicit (it's hopeflly less surprising for readers that way). Manually tested this against Glue: 1. create an Iceberg topic 2. produce to the Iceberg topic and wait for Iceberg commits 3. drop the Iceberg topic 4. witness the drop table op eventually succeeding in Glue 5. manually delete the data in Iceberg 6. recreate the topic and produce without issues ...as well as another sequence where I didn't do step 4 and instead immediately went on to delete data and recreate the topic. In both cases, the Redpanda coordinator was not blocked and could produce to the new topic without issues. (cherry picked from commit dac3524)
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CI test resultstest results on build#71403
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wdberkeley
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Aug 28, 2025
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Backport of PR #27367
CONFLICT:
get_effective_default_partition_spec()is slightly relocated in this branch