#include "access/attnum.h"
#include "access/htup.h"

Include dependency graph for syscache.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	SysCacheSize (USERMAPPINGUSERSERVER + 1)

#define	SearchSysCacheCopy1(cacheId, key1) SearchSysCacheCopy(cacheId, key1, 0, 0, 0)

#define	SearchSysCacheCopy2(cacheId, key1, key2) SearchSysCacheCopy(cacheId, key1, key2, 0, 0)

#define	SearchSysCacheCopy3(cacheId, key1, key2, key3) SearchSysCacheCopy(cacheId, key1, key2, key3, 0)

#define	SearchSysCacheCopy4(cacheId, key1, key2, key3, key4) SearchSysCacheCopy(cacheId, key1, key2, key3, key4)

#define	SearchSysCacheExists1(cacheId, key1) SearchSysCacheExists(cacheId, key1, 0, 0, 0)

#define	SearchSysCacheExists2(cacheId, key1, key2) SearchSysCacheExists(cacheId, key1, key2, 0, 0)

#define	SearchSysCacheExists3(cacheId, key1, key2, key3) SearchSysCacheExists(cacheId, key1, key2, key3, 0)

#define	SearchSysCacheExists4(cacheId, key1, key2, key3, key4) SearchSysCacheExists(cacheId, key1, key2, key3, key4)

#define	GetSysCacheOid1(cacheId, oidcol, key1) GetSysCacheOid(cacheId, oidcol, key1, 0, 0, 0)

#define	GetSysCacheOid2(cacheId, oidcol, key1, key2) GetSysCacheOid(cacheId, oidcol, key1, key2, 0, 0)

#define	GetSysCacheOid3(cacheId, oidcol, key1, key2, key3) GetSysCacheOid(cacheId, oidcol, key1, key2, key3, 0)

#define	GetSysCacheOid4(cacheId, oidcol, key1, key2, key3, key4) GetSysCacheOid(cacheId, oidcol, key1, key2, key3, key4)

#define	GetSysCacheHashValue1(cacheId, key1) GetSysCacheHashValue(cacheId, key1, 0, 0, 0)

#define	GetSysCacheHashValue2(cacheId, key1, key2) GetSysCacheHashValue(cacheId, key1, key2, 0, 0)

#define	GetSysCacheHashValue3(cacheId, key1, key2, key3) GetSysCacheHashValue(cacheId, key1, key2, key3, 0)

#define	GetSysCacheHashValue4(cacheId, key1, key2, key3, key4) GetSysCacheHashValue(cacheId, key1, key2, key3, key4)

#define	SearchSysCacheList1(cacheId, key1) SearchSysCacheList(cacheId, 1, key1, 0, 0)

#define	SearchSysCacheList2(cacheId, key1, key2) SearchSysCacheList(cacheId, 2, key1, key2, 0)

#define	SearchSysCacheList3(cacheId, key1, key2, key3) SearchSysCacheList(cacheId, 3, key1, key2, key3)

#define	ReleaseSysCacheList(x) ReleaseCatCacheList(x)

Enumerations
enum	SysCacheIdentifier { AGGFNOID = 0 , AMNAME , AMOID , AMOPOPID , AMOPSTRATEGY , AMPROCNUM , ATTNAME , ATTNUM , AUTHMEMMEMROLE , AUTHMEMROLEMEM , AUTHNAME , AUTHOID , CASTSOURCETARGET , CLAAMNAMENSP , CLAOID , COLLNAMEENCNSP , COLLOID , CONDEFAULT , CONNAMENSP , CONSTROID , CONVOID , DATABASEOID , DEFACLROLENSPOBJ , ENUMOID , ENUMTYPOIDNAME , EVENTTRIGGERNAME , EVENTTRIGGEROID , FOREIGNDATAWRAPPERNAME , FOREIGNDATAWRAPPEROID , FOREIGNSERVERNAME , FOREIGNSERVEROID , FOREIGNTABLEREL , INDEXRELID , LANGNAME , LANGOID , NAMESPACENAME , NAMESPACEOID , OPERNAMENSP , OPEROID , OPFAMILYAMNAMENSP , OPFAMILYOID , PARAMETERACLNAME , PARAMETERACLOID , PARTRELID , PROCNAMEARGSNSP , PROCOID , PUBLICATIONNAME , PUBLICATIONNAMESPACE , PUBLICATIONNAMESPACEMAP , PUBLICATIONOID , PUBLICATIONREL , PUBLICATIONRELMAP , RANGEMULTIRANGE , RANGETYPE , RELNAMENSP , RELOID , REPLORIGIDENT , REPLORIGNAME , RULERELNAME , SEQRELID , STATEXTDATASTXOID , STATEXTNAMENSP , STATEXTOID , STATRELATTINH , SUBSCRIPTIONNAME , SUBSCRIPTIONOID , SUBSCRIPTIONRELMAP , TABLESPACEOID , TRFOID , TRFTYPELANG , TSCONFIGMAP , TSCONFIGNAMENSP , TSCONFIGOID , TSDICTNAMENSP , TSDICTOID , TSPARSERNAMENSP , TSPARSEROID , TSTEMPLATENAMENSP , TSTEMPLATEOID , TYPENAMENSP , TYPEOID , USERMAPPINGOID }

Functions
void	InitCatalogCache (void)

void	InitCatalogCachePhase2 (void)

HeapTuple	SearchSysCache (int cacheId, Datum key1, Datum key2, Datum key3, Datum key4)

HeapTuple	SearchSysCache1 (int cacheId, Datum key1)

HeapTuple	SearchSysCache2 (int cacheId, Datum key1, Datum key2)

HeapTuple	SearchSysCache3 (int cacheId, Datum key1, Datum key2, Datum key3)

HeapTuple	SearchSysCache4 (int cacheId, Datum key1, Datum key2, Datum key3, Datum key4)

void	ReleaseSysCache (HeapTuple tuple)

HeapTuple	SearchSysCacheCopy (int cacheId, Datum key1, Datum key2, Datum key3, Datum key4)

bool	SearchSysCacheExists (int cacheId, Datum key1, Datum key2, Datum key3, Datum key4)

Oid	GetSysCacheOid (int cacheId, AttrNumber oidcol, Datum key1, Datum key2, Datum key3, Datum key4)

HeapTuple	SearchSysCacheAttName (Oid relid, const char *attname)

HeapTuple	SearchSysCacheCopyAttName (Oid relid, const char *attname)

bool	SearchSysCacheExistsAttName (Oid relid, const char *attname)

HeapTuple	SearchSysCacheAttNum (Oid relid, int16 attnum)

HeapTuple	SearchSysCacheCopyAttNum (Oid relid, int16 attnum)

Datum	SysCacheGetAttr (int cacheId, HeapTuple tup, AttrNumber attributeNumber, bool *isNull)

Datum	SysCacheGetAttrNotNull (int cacheId, HeapTuple tup, AttrNumber attributeNumber)

uint32	GetSysCacheHashValue (int cacheId, Datum key1, Datum key2, Datum key3, Datum key4)

struct catclist *	SearchSysCacheList (int cacheId, int nkeys, Datum key1, Datum key2, Datum key3)

void	SysCacheInvalidate (int cacheId, uint32 hashValue)

bool	RelationInvalidatesSnapshotsOnly (Oid relid)

bool	RelationHasSysCache (Oid relid)

bool	RelationSupportsSysCache (Oid relid)

Macro Definition Documentation

◆ GetSysCacheHashValue1

#define GetSysCacheHashValue1	(	cacheId,
		key1
	)	GetSysCacheHashValue(cacheId, key1, 0, 0, 0)

Definition at line 209 of file syscache.h.

◆ GetSysCacheHashValue2

#define GetSysCacheHashValue2	(	cacheId,
		key1,
		key2
	)	GetSysCacheHashValue(cacheId, key1, key2, 0, 0)

Definition at line 211 of file syscache.h.

◆ GetSysCacheHashValue3

#define GetSysCacheHashValue3	(	cacheId,
		key1,
		key2,
		key3
	)	GetSysCacheHashValue(cacheId, key1, key2, key3, 0)

Definition at line 213 of file syscache.h.

◆ GetSysCacheHashValue4

#define GetSysCacheHashValue4	(	cacheId,
		key1,
		key2,
		key3,
		key4
	)	GetSysCacheHashValue(cacheId, key1, key2, key3, key4)

Definition at line 215 of file syscache.h.

◆ GetSysCacheOid1

#define GetSysCacheOid1	(	cacheId,
		oidcol,
		key1
	)	GetSysCacheOid(cacheId, oidcol, key1, 0, 0, 0)

Definition at line 200 of file syscache.h.

◆ GetSysCacheOid2

#define GetSysCacheOid2	(	cacheId,
		oidcol,
		key1,
		key2
	)	GetSysCacheOid(cacheId, oidcol, key1, key2, 0, 0)

Definition at line 202 of file syscache.h.

◆ GetSysCacheOid3

#define GetSysCacheOid3	(	cacheId,
		oidcol,
		key1,
		key2,
		key3
	)	GetSysCacheOid(cacheId, oidcol, key1, key2, key3, 0)

Definition at line 204 of file syscache.h.

◆ GetSysCacheOid4

#define GetSysCacheOid4	(	cacheId,
		oidcol,
		key1,
		key2,
		key3,
		key4
	)	GetSysCacheOid(cacheId, oidcol, key1, key2, key3, key4)

Definition at line 206 of file syscache.h.

◆ ReleaseSysCacheList

#define ReleaseSysCacheList ( x ) ReleaseCatCacheList(x)

Definition at line 225 of file syscache.h.

◆ SearchSysCacheCopy1

#define SearchSysCacheCopy1	(	cacheId,
		key1
	)	SearchSysCacheCopy(cacheId, key1, 0, 0, 0)

Definition at line 182 of file syscache.h.

◆ SearchSysCacheCopy2

#define SearchSysCacheCopy2	(	cacheId,
		key1,
		key2
	)	SearchSysCacheCopy(cacheId, key1, key2, 0, 0)

Definition at line 184 of file syscache.h.

◆ SearchSysCacheCopy3

#define SearchSysCacheCopy3	(	cacheId,
		key1,
		key2,
		key3
	)	SearchSysCacheCopy(cacheId, key1, key2, key3, 0)

Definition at line 186 of file syscache.h.

◆ SearchSysCacheCopy4

#define SearchSysCacheCopy4	(	cacheId,
		key1,
		key2,
		key3,
		key4
	)	SearchSysCacheCopy(cacheId, key1, key2, key3, key4)

Definition at line 188 of file syscache.h.

◆ SearchSysCacheExists1

#define SearchSysCacheExists1	(	cacheId,
		key1
	)	SearchSysCacheExists(cacheId, key1, 0, 0, 0)

Definition at line 191 of file syscache.h.

◆ SearchSysCacheExists2

#define SearchSysCacheExists2	(	cacheId,
		key1,
		key2
	)	SearchSysCacheExists(cacheId, key1, key2, 0, 0)

Definition at line 193 of file syscache.h.

◆ SearchSysCacheExists3

#define SearchSysCacheExists3	(	cacheId,
		key1,
		key2,
		key3
	)	SearchSysCacheExists(cacheId, key1, key2, key3, 0)

Definition at line 195 of file syscache.h.

◆ SearchSysCacheExists4

#define SearchSysCacheExists4	(	cacheId,
		key1,
		key2,
		key3,
		key4
	)	SearchSysCacheExists(cacheId, key1, key2, key3, key4)

Definition at line 197 of file syscache.h.

◆ SearchSysCacheList1

#define SearchSysCacheList1	(	cacheId,
		key1
	)	SearchSysCacheList(cacheId, 1, key1, 0, 0)

Definition at line 218 of file syscache.h.

◆ SearchSysCacheList2

#define SearchSysCacheList2	(	cacheId,
		key1,
		key2
	)	SearchSysCacheList(cacheId, 2, key1, key2, 0)

Definition at line 220 of file syscache.h.

◆ SearchSysCacheList3

#define SearchSysCacheList3	(	cacheId,
		key1,
		key2,
		key3
	)	SearchSysCacheList(cacheId, 3, key1, key2, key3)

Definition at line 222 of file syscache.h.

◆ SysCacheSize

#define SysCacheSize (USERMAPPINGUSERSERVER + 1)

Definition at line 118 of file syscache.h.

Enumeration Type Documentation

◆ SysCacheIdentifier

enum SysCacheIdentifier

Enumerator
AGGFNOID
AMNAME
AMOID
AMOPOPID
AMOPSTRATEGY
AMPROCNUM
ATTNAME
ATTNUM
AUTHMEMMEMROLE
AUTHMEMROLEMEM
AUTHNAME
AUTHOID
CASTSOURCETARGET
CLAAMNAMENSP
CLAOID
COLLNAMEENCNSP
COLLOID
CONDEFAULT
CONNAMENSP
CONSTROID
CONVOID
DATABASEOID
DEFACLROLENSPOBJ
ENUMOID
ENUMTYPOIDNAME
EVENTTRIGGERNAME
EVENTTRIGGEROID
FOREIGNDATAWRAPPERNAME
FOREIGNDATAWRAPPEROID
FOREIGNSERVERNAME
FOREIGNSERVEROID
FOREIGNTABLEREL
INDEXRELID
LANGNAME
LANGOID
NAMESPACENAME
NAMESPACEOID
OPERNAMENSP
OPEROID
OPFAMILYAMNAMENSP
OPFAMILYOID
PARAMETERACLNAME
PARAMETERACLOID
PARTRELID
PROCNAMEARGSNSP
PROCOID
PUBLICATIONNAME
PUBLICATIONNAMESPACE
PUBLICATIONNAMESPACEMAP
PUBLICATIONOID
PUBLICATIONREL
PUBLICATIONRELMAP
RANGEMULTIRANGE
RANGETYPE
RELNAMENSP
RELOID
REPLORIGIDENT
REPLORIGNAME
RULERELNAME
SEQRELID
STATEXTDATASTXOID
STATEXTNAMENSP
STATEXTOID
STATRELATTINH
SUBSCRIPTIONNAME
SUBSCRIPTIONOID
SUBSCRIPTIONRELMAP
TABLESPACEOID
TRFOID
TRFTYPELANG
TSCONFIGMAP
TSCONFIGNAMENSP
TSCONFIGOID
TSDICTNAMENSP
TSDICTOID
TSPARSERNAMENSP
TSPARSEROID
TSTEMPLATENAMENSP
TSTEMPLATEOID
TYPENAMENSP
TYPEOID
USERMAPPINGOID

Definition at line 32 of file syscache.h.

 {
     AGGFNOID = 0,
     AMNAME,
     AMOID,
     AMOPOPID,
     AMOPSTRATEGY,
     AMPROCNUM,
     ATTNAME,
     ATTNUM,
     AUTHMEMMEMROLE,
     AUTHMEMROLEMEM,
     AUTHNAME,
     AUTHOID,
     CASTSOURCETARGET,
     CLAAMNAMENSP,
     CLAOID,
     COLLNAMEENCNSP,
     COLLOID,
     CONDEFAULT,
     CONNAMENSP,
     CONSTROID,
     CONVOID,
     DATABASEOID,
     DEFACLROLENSPOBJ,
     ENUMOID,
     ENUMTYPOIDNAME,
     EVENTTRIGGERNAME,
     EVENTTRIGGEROID,
     FOREIGNDATAWRAPPERNAME,
     FOREIGNDATAWRAPPEROID,
     FOREIGNSERVERNAME,
     FOREIGNSERVEROID,
     FOREIGNTABLEREL,
     INDEXRELID,
     LANGNAME,
     LANGOID,
     NAMESPACENAME,
     NAMESPACEOID,
     OPERNAMENSP,
     OPEROID,
     OPFAMILYAMNAMENSP,
     OPFAMILYOID,
     PARAMETERACLNAME,
     PARAMETERACLOID,
     PARTRELID,
     PROCNAMEARGSNSP,
     PROCOID,
     PUBLICATIONNAME,
     PUBLICATIONNAMESPACE,
     PUBLICATIONNAMESPACEMAP,
     PUBLICATIONOID,
     PUBLICATIONREL,
     PUBLICATIONRELMAP,
     RANGEMULTIRANGE,
     RANGETYPE,
     RELNAMENSP,
     RELOID,
     REPLORIGIDENT,
     REPLORIGNAME,
     RULERELNAME,
     SEQRELID,
     STATEXTDATASTXOID,
     STATEXTNAMENSP,
     STATEXTOID,
     STATRELATTINH,
     SUBSCRIPTIONNAME,
     SUBSCRIPTIONOID,
     SUBSCRIPTIONRELMAP,
     TABLESPACEOID,
     TRFOID,
     TRFTYPELANG,
     TSCONFIGMAP,
     TSCONFIGNAMENSP,
     TSCONFIGOID,
     TSDICTNAMENSP,
     TSDICTOID,
     TSPARSERNAMENSP,
     TSPARSEROID,
     TSTEMPLATENAMENSP,
     TSTEMPLATEOID,
     TYPENAMENSP,
     TYPEOID,
     USERMAPPINGOID,
     USERMAPPINGUSERSERVER
  
 #define SysCacheSize (USERMAPPINGUSERSERVER + 1)
 };

Function Documentation

◆ GetSysCacheHashValue()

uint32 GetSysCacheHashValue	(	int	cacheId,
		Datum	key1,
		Datum	key2,
		Datum	key3,
		Datum	key4
	)

Definition at line 1140 of file syscache.c.

 {
     if (cacheId < 0 || cacheId >= SysCacheSize ||
         !PointerIsValid(SysCache[cacheId]))
         elog(ERROR, "invalid cache ID: %d", cacheId);
  
     return GetCatCacheHashValue(SysCache[cacheId], key1, key2, key3, key4);
 }

References elog(), ERROR, GetCatCacheHashValue(), PointerIsValid, SysCache, and SysCacheSize.

◆ GetSysCacheOid()

Oid GetSysCacheOid	(	int	cacheId,
		AttrNumber	oidcol,
		Datum	key1,
		Datum	key2,
		Datum	key3,
		Datum	key4
	)

Definition at line 927 of file syscache.c.

 {
     HeapTuple   tuple;
     bool        isNull;
     Oid         result;
  
     tuple = SearchSysCache(cacheId, key1, key2, key3, key4);
     if (!HeapTupleIsValid(tuple))
         return InvalidOid;
     result = heap_getattr(tuple, oidcol,
                           SysCache[cacheId]->cc_tupdesc,
                           &isNull);
     Assert(!isNull);            /* columns used as oids should never be NULL */
     ReleaseSysCache(tuple);
     return result;
 }

References Assert(), heap_getattr(), HeapTupleIsValid, InvalidOid, ReleaseSysCache(), SearchSysCache(), and SysCache.

◆ InitCatalogCache()

void InitCatalogCache ( void )

Definition at line 709 of file syscache.c.

 {
     int         cacheId;
  
     Assert(!CacheInitialized);
  
     SysCacheRelationOidSize = SysCacheSupportingRelOidSize = 0;
  
     for (cacheId = 0; cacheId < SysCacheSize; cacheId++)
     {
         /*
          * Assert that every enumeration value defined in syscache.h has been
          * populated in the cacheinfo array.
          */
         Assert(cacheinfo[cacheId].reloid != 0);
  
         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);
     SysCacheRelationOidSize =
         qunique(SysCacheRelationOid, SysCacheRelationOidSize, sizeof(Oid),
                 oid_compare);
  
     pg_qsort(SysCacheSupportingRelOid, SysCacheSupportingRelOidSize,
              sizeof(Oid), oid_compare);
     SysCacheSupportingRelOidSize =
         qunique(SysCacheSupportingRelOid, SysCacheSupportingRelOidSize,
                 sizeof(Oid), oid_compare);
  
     CacheInitialized = true;
 }

References Assert(), cacheinfo, CacheInitialized, elog(), ERROR, cachedesc::indoid, InitCatCache(), sort-test::key, lengthof, cachedesc::nbuckets, cachedesc::nkeys, oid_compare(), pg_qsort(), PointerIsValid, qunique(), RelationInvalidatesSnapshotsOnly(), cachedesc::reloid, SysCache, SysCacheRelationOid, SysCacheRelationOidSize, SysCacheSize, SysCacheSupportingRelOid, and SysCacheSupportingRelOidSize.

Referenced by InitPostgres().

◆ InitCatalogCachePhase2()

void InitCatalogCachePhase2 ( void )

Definition at line 777 of file syscache.c.

 {
     int         cacheId;
  
     Assert(CacheInitialized);
  
     for (cacheId = 0; cacheId < SysCacheSize; cacheId++)
         InitCatCachePhase2(SysCache[cacheId], true);
 }

References Assert(), CacheInitialized, InitCatCachePhase2(), SysCache, and SysCacheSize.

Referenced by RelationCacheInitializePhase3().

◆ RelationHasSysCache()

bool RelationHasSysCache ( Oid relid )

Definition at line 1224 of file syscache.c.

 {
     int         low = 0,
                 high = SysCacheRelationOidSize - 1;
  
     while (low <= high)
     {
         int         middle = low + (high - low) / 2;
  
         if (SysCacheRelationOid[middle] == relid)
             return true;
         if (SysCacheRelationOid[middle] < relid)
             low = middle + 1;
         else
             high = middle - 1;
     }
  
     return false;
 }

References SysCacheRelationOid, and SysCacheRelationOidSize.

Referenced by GetNonHistoricCatalogSnapshot().

◆ RelationInvalidatesSnapshotsOnly()

bool RelationInvalidatesSnapshotsOnly ( Oid relid )

Definition at line 1201 of file syscache.c.

 {
     switch (relid)
     {
         case DbRoleSettingRelationId:
         case DependRelationId:
         case SharedDependRelationId:
         case DescriptionRelationId:
         case SharedDescriptionRelationId:
         case SecLabelRelationId:
         case SharedSecLabelRelationId:
             return true;
         default:
             break;
     }
  
     return false;
 }

Referenced by CacheInvalidateHeapTuple(), GetNonHistoricCatalogSnapshot(), and InitCatalogCache().

◆ RelationSupportsSysCache()

bool RelationSupportsSysCache ( Oid relid )

Definition at line 1249 of file syscache.c.

 {
     int         low = 0,
                 high = SysCacheSupportingRelOidSize - 1;
  
     while (low <= high)
     {
         int         middle = low + (high - low) / 2;
  
         if (SysCacheSupportingRelOid[middle] == relid)
             return true;
         if (SysCacheSupportingRelOid[middle] < relid)
             low = middle + 1;
         else
             high = middle - 1;
     }
  
     return false;
 }

References SysCacheSupportingRelOid, and SysCacheSupportingRelOidSize.

Referenced by RelationIdIsInInitFile().

◆ ReleaseSysCache()

void ReleaseSysCache ( HeapTuple tuple )

Definition at line 866 of file syscache.c.

 {
     ReleaseCatCache(tuple);
 }

References ReleaseCatCache().

◆ SearchSysCache()

HeapTuple SearchSysCache	(	int	cacheId,
		Datum	key1,
		Datum	key2,
		Datum	key3,
		Datum	key4
	)

Definition at line 805 of file syscache.c.

 {
     Assert(cacheId >= 0 && cacheId < SysCacheSize &&
            PointerIsValid(SysCache[cacheId]));
  
     return SearchCatCache(SysCache[cacheId], key1, key2, key3, key4);
 }

References Assert(), PointerIsValid, SearchCatCache(), SysCache, and SysCacheSize.

Referenced by GetSysCacheOid(), SearchSysCacheCopy(), and SearchSysCacheExists().

◆ SearchSysCache1()

HeapTuple SearchSysCache1	(	int	cacheId,
		Datum	key1
	)

Definition at line 818 of file syscache.c.

 {
     Assert(cacheId >= 0 && cacheId < SysCacheSize &&
            PointerIsValid(SysCache[cacheId]));
     Assert(SysCache[cacheId]->cc_nkeys == 1);
  
     return SearchCatCache1(SysCache[cacheId], key1);
 }

References Assert(), PointerIsValid, SearchCatCache1(), SysCache, and SysCacheSize.

◆ SearchSysCache2()

HeapTuple SearchSysCache2	(	int	cacheId,
		Datum	key1,
		Datum	key2
	)

Definition at line 829 of file syscache.c.

 {
     Assert(cacheId >= 0 && cacheId < SysCacheSize &&
            PointerIsValid(SysCache[cacheId]));
     Assert(SysCache[cacheId]->cc_nkeys == 2);
  
     return SearchCatCache2(SysCache[cacheId], key1, key2);
 }

References Assert(), PointerIsValid, SearchCatCache2(), SysCache, and SysCacheSize.

Referenced by AddEnumLabel(), AlterPublicationOptions(), AlterPublicationSchemas(), AlterPublicationTables(), CastCreate(), check_for_column_name_collision(), convert_column_name(), CreateTransform(), DropSubscription(), enum_in(), enum_recv(), ExecGrant_Attribute(), expand_all_col_privileges(), find_coercion_pathway(), find_typmod_coercion_function(), fixup_whole_row_references(), get_attgenerated(), get_attname(), get_attoptions(), get_attribute_options(), get_attstattarget(), get_atttype(), get_atttypetypmodcoll(), get_object_address_usermapping(), get_relation_statistics_worker(), get_rewrite_oid(), get_rte_attribute_is_dropped(), get_transform_fromsql(), get_transform_tosql(), GetForeignColumnOptions(), GetSubscriptionRelState(), GetUserMapping(), index_check_primary_key(), InsertRule(), IsBinaryCoercibleWithCast(), pg_attribute_aclcheck_all(), pg_attribute_aclmask_ext(), pgoutput_column_list_init(), pgoutput_row_filter_init(), pub_collist_contains_invalid_column(), pub_rf_contains_invalid_column(), recordExtObjInitPriv(), RelationClearMissing(), removeExtObjInitPriv(), RemoveStatisticsDataById(), SearchSysCacheAttName(), SearchSysCacheAttNum(), statext_dependencies_load(), statext_expressions_load(), statext_mcv_load(), and statext_ndistinct_load().

◆ SearchSysCache3()

HeapTuple SearchSysCache3	(	int	cacheId,
		Datum	key1,
		Datum	key2,
		Datum	key3
	)

Definition at line 840 of file syscache.c.

 {
     Assert(cacheId >= 0 && cacheId < SysCacheSize &&
            PointerIsValid(SysCache[cacheId]));
     Assert(SysCache[cacheId]->cc_nkeys == 3);
  
     return SearchCatCache3(SysCache[cacheId], key1, key2, key3);
 }

References Assert(), PointerIsValid, SearchCatCache3(), SysCache, and SysCacheSize.

Referenced by AddRoleMems(), brincostestimate(), btcostestimate(), DefineOpClass(), examine_simple_variable(), examine_variable(), ExecHashBuildSkewHash(), get_attavgwidth(), get_default_acl_internal(), get_object_address_defacl(), get_op_opfamily_properties(), get_op_opfamily_sortfamily(), get_op_opfamily_strategy(), lookup_collation(), OpClassCacheLookup(), OpFamilyCacheLookup(), ProcedureCreate(), ResolveOpClass(), SetDefaultACL(), and update_attstats().

◆ SearchSysCache4()

HeapTuple SearchSysCache4	(	int	cacheId,
		Datum	key1,
		Datum	key2,
		Datum	key3,
		Datum	key4
	)

Definition at line 851 of file syscache.c.

 {
     Assert(cacheId >= 0 && cacheId < SysCacheSize &&
            PointerIsValid(SysCache[cacheId]));
     Assert(SysCache[cacheId]->cc_nkeys == 4);
  
     return SearchCatCache4(SysCache[cacheId], key1, key2, key3, key4);
 }

References Assert(), PointerIsValid, SearchCatCache4(), SysCache, and SysCacheSize.

Referenced by get_object_address_opf_member(), get_opfamily_member(), get_opfamily_proc(), inclusion_get_strategy_procinfo(), minmax_get_strategy_procinfo(), minmax_multi_get_strategy_procinfo(), OperatorGet(), and OpernameGetOprid().

◆ SearchSysCacheAttName()

HeapTuple SearchSysCacheAttName	(	Oid	relid,
		const char *	attname
	)

Definition at line 959 of file syscache.c.

 {
     HeapTuple   tuple;
  
     tuple = SearchSysCache2(ATTNAME,
                             ObjectIdGetDatum(relid),
                             CStringGetDatum(attname));
     if (!HeapTupleIsValid(tuple))
         return NULL;
     if (((Form_pg_attribute) GETSTRUCT(tuple))->attisdropped)
     {
         ReleaseSysCache(tuple);
         return NULL;
     }
     return tuple;
 }

References attname, ATTNAME, CStringGetDatum(), GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum(), ReleaseSysCache(), and SearchSysCache2().

Referenced by ATExecAlterColumnGenericOptions(), ATExecCheckNotNull(), ATExecDropColumn(), ATExecSetOptions(), ATPrepAlterColumnType(), ATPrepSetNotNull(), ComputeIndexAttrs(), ComputePartitionAttrs(), CreateStatistics(), get_attnum(), make_inh_translation_list(), pg_nextoid(), plpgsql_parse_cwordtype(), SearchSysCacheCopyAttName(), SearchSysCacheExistsAttName(), SetAttrMissing(), and transformColumnNameList().

◆ SearchSysCacheAttNum()

HeapTuple SearchSysCacheAttNum	(	Oid	relid,
		int16	attnum
	)

Definition at line 1022 of file syscache.c.

 {
     HeapTuple   tuple;
  
     tuple = SearchSysCache2(ATTNUM,
                             ObjectIdGetDatum(relid),
                             Int16GetDatum(attnum));
     if (!HeapTupleIsValid(tuple))
         return NULL;
     if (((Form_pg_attribute) GETSTRUCT(tuple))->attisdropped)
     {
         ReleaseSysCache(tuple);
         return NULL;
     }
     return tuple;
 }

References attnum, ATTNUM, GETSTRUCT, HeapTupleIsValid, Int16GetDatum(), ObjectIdGetDatum(), ReleaseSysCache(), and SearchSysCache2().

Referenced by SearchSysCacheCopyAttNum().

◆ SearchSysCacheCopy()

HeapTuple SearchSysCacheCopy	(	int	cacheId,
		Datum	key1,
		Datum	key2,
		Datum	key3,
		Datum	key4
	)

Definition at line 880 of file syscache.c.

 {
     HeapTuple   tuple,
                 newtuple;
  
     tuple = SearchSysCache(cacheId, key1, key2, key3, key4);
     if (!HeapTupleIsValid(tuple))
         return tuple;
     newtuple = heap_copytuple(tuple);
     ReleaseSysCache(tuple);
     return newtuple;
 }

References heap_copytuple(), HeapTupleIsValid, ReleaseSysCache(), and SearchSysCache().

◆ SearchSysCacheCopyAttName()

HeapTuple SearchSysCacheCopyAttName	(	Oid	relid,
		const char *	attname
	)

Definition at line 982 of file syscache.c.

 {
     HeapTuple   tuple,
                 newtuple;
  
     tuple = SearchSysCacheAttName(relid, attname);
     if (!HeapTupleIsValid(tuple))
         return tuple;
     newtuple = heap_copytuple(tuple);
     ReleaseSysCache(tuple);
     return newtuple;
 }

References attname, heap_copytuple(), HeapTupleIsValid, ReleaseSysCache(), and SearchSysCacheAttName().

Referenced by ATExecAddColumn(), ATExecAddIdentity(), ATExecAlterColumnType(), ATExecDropColumn(), ATExecDropExpression(), ATExecDropIdentity(), ATExecDropNotNull(), ATExecSetCompression(), ATExecSetIdentity(), ATExecSetNotNull(), ATExecSetStatistics(), ATExecSetStorage(), ATPrepDropExpression(), MergeAttributesIntoExisting(), and renameatt_internal().

◆ SearchSysCacheCopyAttNum()

HeapTuple SearchSysCacheCopyAttNum	(	Oid	relid,
		int16	attnum
	)

Definition at line 1045 of file syscache.c.

 {
     HeapTuple   tuple,
                 newtuple;
  
     tuple = SearchSysCacheAttNum(relid, attnum);
     if (!HeapTupleIsValid(tuple))
         return NULL;
     newtuple = heap_copytuple(tuple);
     ReleaseSysCache(tuple);
     return newtuple;
 }

References attnum, heap_copytuple(), HeapTupleIsValid, ReleaseSysCache(), and SearchSysCacheAttNum().

Referenced by ATExecSetStatistics(), and SetIndexStorageProperties().

◆ SearchSysCacheExists()

bool SearchSysCacheExists	(	int	cacheId,
		Datum	key1,
		Datum	key2,
		Datum	key3,
		Datum	key4
	)

Definition at line 904 of file syscache.c.

 {
     HeapTuple   tuple;
  
     tuple = SearchSysCache(cacheId, key1, key2, key3, key4);
     if (!HeapTupleIsValid(tuple))
         return false;
     ReleaseSysCache(tuple);
     return true;
 }

References HeapTupleIsValid, ReleaseSysCache(), and SearchSysCache().

◆ SearchSysCacheExistsAttName()

bool SearchSysCacheExistsAttName	(	Oid	relid,
		const char *	attname
	)

Definition at line 1001 of file syscache.c.

 {
     HeapTuple   tuple;
  
     tuple = SearchSysCacheAttName(relid, attname);
     if (!HeapTupleIsValid(tuple))
         return false;
     ReleaseSysCache(tuple);
     return true;
 }

References attname, HeapTupleIsValid, ReleaseSysCache(), and SearchSysCacheAttName().

Referenced by RemoveInheritance().

◆ SearchSysCacheList()

struct catclist* SearchSysCacheList	(	int	cacheId,
		int	nkeys,
		Datum	key1,
		Datum	key2,
		Datum	key3
	)

Definition at line 1157 of file syscache.c.

 {
     if (cacheId < 0 || cacheId >= SysCacheSize ||
         !PointerIsValid(SysCache[cacheId]))
         elog(ERROR, "invalid cache ID: %d", cacheId);
  
     return SearchCatCacheList(SysCache[cacheId], nkeys,
                               key1, key2, key3);
 }

References elog(), ERROR, catclist::nkeys, PointerIsValid, SearchCatCacheList(), SysCache, and SysCacheSize.

◆ SysCacheGetAttr()

Datum SysCacheGetAttr	(	int	cacheId,
		HeapTuple	tup,
		AttrNumber	attributeNumber,
		bool *	isNull
	)

Definition at line 1079 of file syscache.c.

 {
     /*
      * We just need to get the TupleDesc out of the cache entry, and then we
      * can apply heap_getattr().  Normally the cache control data is already
      * valid (because the caller recently fetched the tuple via this same
      * cache), but there are cases where we have to initialize the cache here.
      */
     if (cacheId < 0 || cacheId >= SysCacheSize ||
         !PointerIsValid(SysCache[cacheId]))
         elog(ERROR, "invalid cache ID: %d", cacheId);
     if (!PointerIsValid(SysCache[cacheId]->cc_tupdesc))
     {
         InitCatCachePhase2(SysCache[cacheId], false);
         Assert(PointerIsValid(SysCache[cacheId]->cc_tupdesc));
     }
  
     return heap_getattr(tup, attributeNumber,
                         SysCache[cacheId]->cc_tupdesc,
                         isNull);
 }

References Assert(), elog(), ERROR, heap_getattr(), InitCatCachePhase2(), PointerIsValid, SysCache, and SysCacheSize.

Referenced by AlterCollation(), AlterForeignDataWrapper(), AlterForeignServer(), AlterFunction(), AlterPublicationTables(), AlterRole(), AlterSchemaOwner_internal(), AlterTSDictionary(), AlterUserMapping(), ATExecAlterColumnGenericOptions(), ATExecChangeOwner(), ATExecGenericOptions(), ATExecSetOptions(), ATExecSetRelOptions(), build_function_result_tupdesc_t(), CheckMyDatabase(), compile_plperl_function(), DeconstructFkConstraintRow(), DefineCollation(), DefineDomain(), DropSubscription(), ExecGrant_Attribute(), ExecGrant_common(), ExecGrant_Parameter(), ExecGrant_Relation(), ExecInitAgg(), expand_function_arguments(), fetch_statentries_for_relation(), flatten_reloptions(), fmgr_security_definer(), fmgr_sql_validator(), FuncnameGetCandidates(), generate_partition_qual(), generateClonedExtStatsStmt(), generateClonedIndexStmt(), get_attoptions(), get_attribute_options(), get_db_info(), get_default_acl_internal(), get_func_arg_info(), get_func_trftypes(), get_relation_statistics(), get_role_password(), get_tablespace(), get_typdefault(), GetForeignColumnOptions(), GetForeignDataWrapperExtended(), GetForeignServerExtended(), GetForeignTable(), GetSubscription(), GetSubscriptionRelations(), GetSubscriptionRelState(), GetUserMapping(), index_concurrently_create_copy(), init_sql_fcache(), initialize_peragg(), inline_function(), inline_set_returning_function(), lookup_ts_dictionary_cache(), make_new_heap(), MatchNamedCall(), object_aclmask(), pg_attribute_aclmask_ext(), pg_class_aclmask_ext(), pg_get_constraintdef_worker(), pg_get_function_arg_default(), pg_get_function_sqlbody(), pg_get_functiondef(), pg_get_publication_tables(), pg_namespace_aclmask(), pg_newlocale_from_collation(), pg_parameter_acl_aclmask(), pg_parameter_aclmask(), pg_type_aclmask(), pgoutput_column_list_init(), pgoutput_row_filter_init(), plsample_func_handler(), plsample_trigger_handler(), PLy_procedure_create(), prepare_sql_fn_parse_info(), preprocess_aggref(), print_function_arguments(), ProcedureCreate(), pub_collist_contains_invalid_column(), pub_rf_contains_invalid_column(), recordExtObjInitPriv(), RelationBuildPartitionDesc(), RelationBuildPartitionKey(), SetDefaultACL(), statext_dependencies_load(), statext_expressions_load(), statext_mcv_load(), statext_ndistinct_load(), StorePartitionBound(), SysCacheGetAttrNotNull(), and transformCallStmt().

◆ SysCacheGetAttrNotNull()

Datum SysCacheGetAttrNotNull	(	int	cacheId,
		HeapTuple	tup,
		AttrNumber	attributeNumber
	)

Definition at line 1110 of file syscache.c.

 {
     bool        isnull;
     Datum       attr;
  
     attr = SysCacheGetAttr(cacheId, tup, attributeNumber, &isnull);
  
     if (isnull)
     {
         elog(ERROR,
              "unexpected null value in cached tuple for catalog %s column %s",
              get_rel_name(cacheinfo[cacheId].reloid),
              NameStr(TupleDescAttr(SysCache[cacheId]->cc_tupdesc, attributeNumber - 1)->attname));
     }
  
     return attr;
 }

References attname, cacheinfo, elog(), ERROR, get_rel_name(), NameStr, cachedesc::reloid, SysCache, SysCacheGetAttr(), and TupleDescAttr.

Referenced by AlterCollation(), AlterDomainValidateConstraint(), ATExecValidateConstraint(), build_function_result_tupdesc_t(), build_replindex_scan_key(), CheckIndexCompatible(), CheckMyDatabase(), compile_plperl_function(), compile_pltcl_function(), DeconstructFkConstraintRow(), do_compile(), DropSubscription(), ExecGrant_common(), ExecGrant_Parameter(), fetch_function_defaults(), fetch_statentries_for_relation(), fmgr_c_validator(), fmgr_info_C_lang(), fmgr_info_cxt_security(), fmgr_internal_validator(), fmgr_sql_validator(), fmgr_symbol(), func_get_detail(), generateClonedExtStatsStmt(), generateClonedIndexStmt(), get_attstatsslot(), get_db_info(), get_func_result_name(), get_index_column_opclass(), get_object_namespace(), get_qual_for_range(), getObjectDescription(), getObjectIdentityParts(), GetSubscription(), inclusion_get_strategy_procinfo(), index_concurrently_create_copy(), index_opclass_options(), init_sql_fcache(), inline_function(), inline_set_returning_function(), lookup_collation_cache(), minmax_get_strategy_procinfo(), minmax_multi_get_strategy_procinfo(), object_aclmask(), object_ownercheck(), pg_collation_actual_version(), pg_database_collation_actual_version(), pg_get_constraintdef_worker(), pg_get_functiondef(), pg_get_indexdef_worker(), pg_get_partkeydef_worker(), pg_get_statisticsobj_worker(), pg_get_statisticsobjdef_expressions(), pg_newlocale_from_collation(), PLy_procedure_create(), print_function_sqlbody(), ProcedureCreate(), refresh_by_match_merge(), RelationBuildPartitionKey(), test_indoption(), transformFkeyCheckAttrs(), transformFkeyGetPrimaryKey(), transformIndexConstraint(), and TryReuseForeignKey().

◆ SysCacheInvalidate()

void SysCacheInvalidate	(	int	cacheId,
		uint32	hashValue
	)

Definition at line 1177 of file syscache.c.

 {
     if (cacheId < 0 || cacheId >= SysCacheSize)
         elog(ERROR, "invalid cache ID: %d", cacheId);
  
     /* if this cache isn't initialized yet, no need to do anything */
     if (!PointerIsValid(SysCache[cacheId]))
         return;
  
     CatCacheInvalidate(SysCache[cacheId], hashValue);
 }

References CatCacheInvalidate(), elog(), ERROR, PointerIsValid, SysCache, and SysCacheSize.

Referenced by LocalExecuteInvalidationMessage().

Macros

Enumerations

Functions