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authorMichael Paquier <michael@paquier.xyz>2020-04-06 11:03:49 +0900
committerMichael Paquier <michael@paquier.xyz>2020-04-06 11:03:49 +0900
commita40caf5f862ca8b7e927b2ab2567e934868e9376 (patch)
tree2c98687392f271307de35ac3e5b868b6397be0e4 /contrib/postgres_fdw/postgres_fdw.c
parentfc3f4453a2bc95549682e23600b22e658cb2d6d7 (diff)
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Preserve clustered index after rewrites with ALTER TABLE
A table rewritten by ALTER TABLE would lose tracking of an index usable for CLUSTER. This setting is tracked by pg_index.indisclustered and is controlled by ALTER TABLE, so some extra work was needed to restore it properly. Note that ALTER TABLE only marks the index that can be used for clustering, and does not do the actual operation. Author: Amit Langote, Justin Pryzby Reviewed-by: Ibrar Ahmed, Michael Paquier Discussion: https://postgr.es/m/20200202161718.GI13621@telsasoft.com Backpatch-through: 9.5
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