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Refactor cluster_rel() to handle more options

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This extends cluster_rel() in such a way that more options can be added
in the future, which will reduce the amount of chunk code for an
upcoming SKIP_LOCKED aimed for VACUUM.  As VACUUM FULL is a different
flavor of CLUSTER, we want to make that extensible to ease integration.

This only reworks the API and its callers, without providing anything
user-facing.  Two options are present now: verbose mode and relation
recheck when doing the cluster command work across multiple
transactions.  This could be used as well as a base to extend the
grammar of CLUSTER later on.

Author: Michael Paquier
Reviewed-by: Nathan Bossart
Discussion: https://postgr.es/m/20180723031058.GE2854@paquier.xyz
This commit is contained in:
Michael Paquier
2018-07-24 11:37:32 +09:00
parent d9fadbf131
commit 9ebe0572ce
8 changed files with 32 additions and 13 deletions
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2
src/backend/nodes/copyfuncs.c
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@ -3284,7 +3284,7 @@ _copyClusterStmt(const ClusterStmt *from)
COPY_NODE_FIELD(relation);
COPY_STRING_FIELD(indexname);
COPY_SCALAR_FIELD(verbose);
COPY_SCALAR_FIELD(options);
return newnode;
}