/*
* InitCatalogCache - initialize the caches
*
* Note that no database access is done here; we only allocate memory
* and initialize the cache structure. Interrogation of the database
* to complete initialization of a cache happens upon first use
* of that cache.
*/
void
InitCatalogCache(void)
{
int cacheId;
int i,
j;
StaticAssertStmt(SysCacheSize == (int) lengthof(cacheinfo),
"SysCacheSize does not match syscache.c's array");
Assert(!CacheInitialized);
SysCacheRelationOidSize = SysCacheSupportingRelOidSize = 0;
for (cacheId = 0; cacheId < SysCacheSize; cacheId++)
{
SysCache[cacheId] = InitCatCache(cacheId,
cacheinfo[cacheId].reloid,
cacheinfo[cacheId].indoid,
cacheinfo[cacheId].nkeys,
cacheinfo[cacheId].key,
cacheinfo[cacheId].nbuckets);
if (!PointerIsValid(SysCache[cacheId]))
elog(ERROR, "could not initialize cache %u (%d)",
cacheinfo[cacheId].reloid, cacheId);
/* Accumulate data for OID lists, too */
SysCacheRelationOid[SysCacheRelationOidSize++] =
cacheinfo[cacheId].reloid;
SysCacheSupportingRelOid[SysCacheSupportingRelOidSize++] =
cacheinfo[cacheId].reloid;
SysCacheSupportingRelOid[SysCacheSupportingRelOidSize++] =
cacheinfo[cacheId].indoid;
/* see comments for RelationInvalidatesSnapshotsOnly */
Assert(!RelationInvalidatesSnapshotsOnly(cacheinfo[cacheId].reloid));
}
Assert(SysCacheRelationOidSize <= lengthof(SysCacheRelationOid));
Assert(SysCacheSupportingRelOidSize <= lengthof(SysCacheSupportingRelOid));
/* Sort and de-dup OID arrays, so we can use binary search. */
pg_qsort(SysCacheRelationOid, SysCacheRelationOidSize,
sizeof(Oid), oid_compare);
for (i = 1, j = 0; i < SysCacheRelationOidSize; i++)
{
if (SysCacheRelationOid[i] != SysCacheRelationOid[j])
SysCacheRelationOid[++j] = SysCacheRelationOid[i];
}
SysCacheRelationOidSize = j + 1;
pg_qsort(SysCacheSupportingRelOid, SysCacheSupportingRelOidSize,
sizeof(Oid), oid_compare);
for (i = 1, j = 0; i < SysCacheSupportingRelOidSize; i++)
{
if (SysCacheSupportingRelOid[i] != SysCacheSupportingRelOid[j])
SysCacheSupportingRelOid[++j] = SysCacheSupportingRelOid[i];
}
SysCacheSupportingRelOidSize = j + 1;
CacheInitialized = true;
}
/*
* InitCatalogCache - initialize the caches
*
* Note that no database access is done here; we only allocate memory
* and initialize the cache structure. Interrogation of the database
* to complete initialization of a cache happens upon first use
* of that cache.
*/
void
InitCatalogCache(void)
{
int cacheId;
int i,
j = 0;
Assert(!CacheInitialized);
MemSet(SysCache, 0, sizeof(SysCache));
for (cacheId = 0; cacheId < SysCacheSize; cacheId++)
{
SysCache[cacheId] = InitCatCache(cacheId,
cacheinfo[cacheId].reloid,
cacheinfo[cacheId].indoid,
cacheinfo[cacheId].nkeys,
cacheinfo[cacheId].key,
cacheinfo[cacheId].nbuckets);
if (!PointerIsValid(SysCache[cacheId]))
elog(ERROR, "could not initialize cache %u (%d)",
cacheinfo[cacheId].reloid, cacheId);
SysCacheRelationOid[SysCacheRelationOidSize++] =
cacheinfo[cacheId].reloid;
/* see comments for RelationInvalidatesSnapshotsOnly */
Assert(!RelationInvalidatesSnapshotsOnly(cacheinfo[cacheId].reloid));
}
/* Sort and dedup OIDs. */
pg_qsort(SysCacheRelationOid, SysCacheRelationOidSize,
sizeof(Oid), oid_compare);
for (i = 1; i < SysCacheRelationOidSize; ++i)
if (SysCacheRelationOid[i] != SysCacheRelationOid[j])
SysCacheRelationOid[++j] = SysCacheRelationOid[i];
SysCacheRelationOidSize = j + 1;
CacheInitialized = true;
}
/*
* InitCatalogCache - initialize the caches
*
* Note that no database access is done here; we only allocate memory
* and initialize the cache structure. Interrogation of the database
* to complete initialization of a cache happens upon first use
* of that cache.
*/
void
InitCatalogCache(void)
{
int cacheId;
Assert(!CacheInitialized);
MemSet(SysCache, 0, sizeof(SysCache));
for (cacheId = 0; cacheId < SysCacheSize; cacheId++)
{
SysCache[cacheId] = InitCatCache(cacheId,
cacheinfo[cacheId].reloid,
cacheinfo[cacheId].indoid,
cacheinfo[cacheId].nkeys,
cacheinfo[cacheId].key,
cacheinfo[cacheId].nbuckets);
if (!PointerIsValid(SysCache[cacheId]))
elog(ERROR, "could not initialize cache %u (%d)",
cacheinfo[cacheId].reloid, cacheId);
}
CacheInitialized = true;
}