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Some RELKIND macro refactoring

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Add more macros to group some RELKIND_* macros:

- RELKIND_HAS_PARTITIONS()
- RELKIND_HAS_TABLESPACE()
- RELKIND_HAS_TABLE_AM()

Reviewed-by: Michael Paquier <michael@paquier.xyz>
Reviewed-by: Alvaro Herrera <alvherre@alvh.no-ip.org>
Discussion: https://www.postgresql.org/message-id/flat/a574c8f1-9c84-93ad-a9e5-65233d6fc00f%40enterprisedb.com
This commit is contained in:
Peter Eisentraut
2021-12-03 13:38:26 +01:00
parent 49422ad0cc
commit 37b2764593
14 changed files with 173 additions and 254 deletions
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43
src/backend/storage/buffer/bufmgr.c
View File

@ -2934,37 +2934,26 @@ FlushBuffer(BufferDesc *buf, SMgrRelation reln)
BlockNumber
RelationGetNumberOfBlocksInFork(Relation relation, ForkNumber forkNum)
{
switch (relation->rd_rel->relkind)
if (RELKIND_HAS_TABLE_AM(relation->rd_rel->relkind))
{
case RELKIND_SEQUENCE:
case RELKIND_INDEX:
return smgrnblocks(RelationGetSmgr(relation), forkNum);
/*
* Not every table AM uses BLCKSZ wide fixed size blocks.
* Therefore tableam returns the size in bytes - but for the
* purpose of this routine, we want the number of blocks.
* Therefore divide, rounding up.
*/
uint64 szbytes;
case RELKIND_RELATION:
case RELKIND_TOASTVALUE:
case RELKIND_MATVIEW:
{
/*
* Not every table AM uses BLCKSZ wide fixed size blocks.
* Therefore tableam returns the size in bytes - but for the
* purpose of this routine, we want the number of blocks.
* Therefore divide, rounding up.
*/
uint64 szbytes;
szbytes = table_relation_size(relation, forkNum);
szbytes = table_relation_size(relation, forkNum);
return (szbytes + (BLCKSZ - 1)) / BLCKSZ;
}
case RELKIND_VIEW:
case RELKIND_COMPOSITE_TYPE:
case RELKIND_FOREIGN_TABLE:
case RELKIND_PARTITIONED_INDEX:
case RELKIND_PARTITIONED_TABLE:
default:
Assert(false);
break;
return (szbytes + (BLCKSZ - 1)) / BLCKSZ;
}
else if (RELKIND_HAS_STORAGE(relation->rd_rel->relkind))
{
return smgrnblocks(RelationGetSmgr(relation), forkNum);
}
else
Assert(false);
return 0; /* keep compiler quiet */
}