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Add macro RelationIsPermanent() to report relation permanence

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Previously, to check relation permanence, the Relation's Form_pg_class
structure member relpersistence was compared to the value
RELPERSISTENCE_PERMANENT ("p"). This commit adds the macro
RelationIsPermanent() and is used in appropirate places to simplify the
code.  This matches other RelationIs* macros.

This macro will be used in more places in future cluster file encryption
patches.

Discussion: https://postgr.es/m/20210318153134.GH20766@tamriel.snowman.net
This commit is contained in:
Bruce Momjian
2021-03-22 20:22:48 -04:00
parent 8e4b332e88
commit 95d77149c5
8 changed files with 19 additions and 15 deletions
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2
src/backend/access/heap/heapam_handler.c
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@@ -662,7 +662,7 @@ heapam_relation_copy_data(Relation rel, const RelFileNode *newrnode)
* WAL log creation if the relation is persistent, or this is the
* init fork of an unlogged relation.
*/
if (rel->rd_rel->relpersistence == RELPERSISTENCE_PERMANENT ||
if (RelationIsPermanent(rel) ||
(rel->rd_rel->relpersistence == RELPERSISTENCE_UNLOGGED &&
forkNum == INIT_FORKNUM))
log_smgrcreate(newrnode, forkNum);