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Revert 56-bit relfilenode change and follow-up commits.

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There are still some alignment-related failures in the buildfarm,
which might or might not be able to be fixed quickly, but I've also
just realized that it increased the size of many WAL records by 4 bytes
because a block reference contains a RelFileLocator. The effect of that
hasn't been studied or discussed, so revert for now.
This commit is contained in:
Robert Haas
2022-09-28 09:45:27 -04:00
parent 6af0827232
commit a448e49bcb
73 changed files with 304 additions and 719 deletions
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39
contrib/pg_buffercache/pg_buffercache_pages.c
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@ -59,10 +59,9 @@ typedef struct
* relation node/tablespace/database/blocknum and dirty indicator.
*/
PG_FUNCTION_INFO_V1(pg_buffercache_pages);
PG_FUNCTION_INFO_V1(pg_buffercache_pages_v1_4);
static Datum
pg_buffercache_pages_internal(PG_FUNCTION_ARGS, Oid rfn_typid)
Datum
pg_buffercache_pages(PG_FUNCTION_ARGS)
{
FuncCallContext *funcctx;
Datum result;
@ -104,7 +103,7 @@ pg_buffercache_pages_internal(PG_FUNCTION_ARGS, Oid rfn_typid)
TupleDescInitEntry(tupledesc, (AttrNumber) 1, "bufferid",
INT4OID, -1, 0);
TupleDescInitEntry(tupledesc, (AttrNumber) 2, "relfilenode",
rfn_typid, -1, 0);
OIDOID, -1, 0);
TupleDescInitEntry(tupledesc, (AttrNumber) 3, "reltablespace",
OIDOID, -1, 0);
TupleDescInitEntry(tupledesc, (AttrNumber) 4, "reldatabase",
@ -210,24 +209,7 @@ pg_buffercache_pages_internal(PG_FUNCTION_ARGS, Oid rfn_typid)
}
else
{
if (rfn_typid == INT8OID)
values[1] =
Int64GetDatum((int64) fctx->record[i].relfilenumber);
else
{
Assert(rfn_typid == OIDOID);
if (fctx->record[i].relfilenumber > OID_MAX)
ereport(ERROR,
errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("relfilenode %llu is too large to be represented as an OID",
(unsigned long long) fctx->record[i].relfilenumber),
errhint("Upgrade the extension using ALTER EXTENSION pg_buffercache UPDATE"));
values[1] =
ObjectIdGetDatum((Oid) fctx->record[i].relfilenumber);
}
values[1] = ObjectIdGetDatum(fctx->record[i].relfilenumber);
nulls[1] = false;
values[2] = ObjectIdGetDatum(fctx->record[i].reltablespace);
nulls[2] = false;
@ -255,16 +237,3 @@ pg_buffercache_pages_internal(PG_FUNCTION_ARGS, Oid rfn_typid)
else
SRF_RETURN_DONE(funcctx);
}
/* entry point for old extension version */
Datum
pg_buffercache_pages(PG_FUNCTION_ARGS)
{
return pg_buffercache_pages_internal(fcinfo, OIDOID);
}
Datum
pg_buffercache_pages_v1_4(PG_FUNCTION_ARGS)
{
return pg_buffercache_pages_internal(fcinfo, INT8OID);
}