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Data Structures | Macros | Typedefs | Enumerations | Functions
rel.h File Reference
#include "access/tupdesc.h"
#include "access/xlog.h"
#include "catalog/catalog.h"
#include "catalog/pg_class.h"
#include "catalog/pg_index.h"
#include "catalog/pg_publication.h"
#include "nodes/bitmapset.h"
#include "partitioning/partdefs.h"
#include "rewrite/prs2lock.h"
#include "storage/block.h"
#include "storage/relfilelocator.h"
#include "storage/smgr.h"
#include "utils/relcache.h"
#include "utils/reltrigger.h"
Include dependency graph for rel.h:
This graph shows which files directly or indirectly include this file:

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Data Structures

struct  LockRelId
 
struct  LockInfoData
 
struct  RelationData
 
struct  ForeignKeyCacheInfo
 
struct  AutoVacOpts
 
struct  StdRdOptions
 
struct  ViewOptions
 

Macros

#define HEAP_MIN_FILLFACTOR   10
 
#define HEAP_DEFAULT_FILLFACTOR   100
 
#define RelationGetToastTupleTarget(relation, defaulttarg)
 
#define RelationGetFillFactor(relation, defaultff)
 
#define RelationGetTargetPageUsage(relation, defaultff)    (BLCKSZ * RelationGetFillFactor(relation, defaultff) / 100)
 
#define RelationGetTargetPageFreeSpace(relation, defaultff)    (BLCKSZ * (100 - RelationGetFillFactor(relation, defaultff)) / 100)
 
#define RelationIsUsedAsCatalogTable(relation)
 
#define RelationGetParallelWorkers(relation, defaultpw)
 
#define RelationIsSecurityView(relation)
 
#define RelationHasSecurityInvoker(relation)
 
#define RelationHasCheckOption(relation)
 
#define RelationHasLocalCheckOption(relation)
 
#define RelationHasCascadedCheckOption(relation)
 
#define RelationIsValid(relation)   PointerIsValid(relation)
 
#define InvalidRelation   ((Relation) NULL)
 
#define RelationHasReferenceCountZero(relation)    ((bool)((relation)->rd_refcnt == 0))
 
#define RelationGetForm(relation)   ((relation)->rd_rel)
 
#define RelationGetRelid(relation)   ((relation)->rd_id)
 
#define RelationGetNumberOfAttributes(relation)   ((relation)->rd_rel->relnatts)
 
#define IndexRelationGetNumberOfAttributes(relation)    ((relation)->rd_index->indnatts)
 
#define IndexRelationGetNumberOfKeyAttributes(relation)    ((relation)->rd_index->indnkeyatts)
 
#define RelationGetDescr(relation)   ((relation)->rd_att)
 
#define RelationGetRelationName(relation)    (NameStr((relation)->rd_rel->relname))
 
#define RelationGetNamespace(relation)    ((relation)->rd_rel->relnamespace)
 
#define RelationIsMapped(relation)
 
#define RelationGetTargetBlock(relation)    ( (relation)->rd_smgr != NULL ? (relation)->rd_smgr->smgr_targblock : InvalidBlockNumber )
 
#define RelationSetTargetBlock(relation, targblock)
 
#define RelationIsPermanent(relation)    ((relation)->rd_rel->relpersistence == RELPERSISTENCE_PERMANENT)
 
#define RelationNeedsWAL(relation)
 
#define RelationUsesLocalBuffers(relation)    ((relation)->rd_rel->relpersistence == RELPERSISTENCE_TEMP)
 
#define RELATION_IS_LOCAL(relation)
 
#define RELATION_IS_OTHER_TEMP(relation)
 
#define RelationIsScannable(relation)   ((relation)->rd_rel->relispopulated)
 
#define RelationIsPopulated(relation)   ((relation)->rd_rel->relispopulated)
 
#define RelationIsAccessibleInLogicalDecoding(relation)
 
#define RelationIsLogicallyLogged(relation)
 

Typedefs

typedef struct LockRelId LockRelId
 
typedef struct LockInfoData LockInfoData
 
typedef LockInfoData * LockInfo
 
typedef struct RelationData RelationData
 
typedef struct ForeignKeyCacheInfo ForeignKeyCacheInfo
 
typedef struct AutoVacOpts AutoVacOpts
 
typedef enum StdRdOptIndexCleanup StdRdOptIndexCleanup
 
typedef struct StdRdOptions StdRdOptions
 
typedef enum ViewOptCheckOption ViewOptCheckOption
 
typedef struct ViewOptions ViewOptions
 

Enumerations

enum  StdRdOptIndexCleanup { STDRD_OPTION_VACUUM_INDEX_CLEANUP_AUTO = 0 , STDRD_OPTION_VACUUM_INDEX_CLEANUP_OFF , STDRD_OPTION_VACUUM_INDEX_CLEANUP_ON }
 
enum  ViewOptCheckOption { VIEW_OPTION_CHECK_OPTION_NOT_SET , VIEW_OPTION_CHECK_OPTION_LOCAL , VIEW_OPTION_CHECK_OPTION_CASCADED }
 

Functions

static SMgrRelation RelationGetSmgr (Relation rel)
 
static void RelationCloseSmgr (Relation relation)
 
void RelationIncrementReferenceCount (Relation rel)
 
void RelationDecrementReferenceCount (Relation rel)
 

Macro Definition Documentation

◆ HEAP_DEFAULT_FILLFACTOR

#define HEAP_DEFAULT_FILLFACTOR   100

Definition at line 348 of file rel.h.

◆ HEAP_MIN_FILLFACTOR

#define HEAP_MIN_FILLFACTOR   10

Definition at line 347 of file rel.h.

◆ IndexRelationGetNumberOfAttributes

#define IndexRelationGetNumberOfAttributes (   relation)     ((relation)->rd_index->indnatts)

Definition at line 516 of file rel.h.

◆ IndexRelationGetNumberOfKeyAttributes

#define IndexRelationGetNumberOfKeyAttributes (   relation)     ((relation)->rd_index->indnkeyatts)

Definition at line 523 of file rel.h.

◆ InvalidRelation

#define InvalidRelation   ((Relation) NULL)

Definition at line 479 of file rel.h.

◆ RELATION_IS_LOCAL

#define RELATION_IS_LOCAL (   relation)
Value:
((relation)->rd_islocaltemp || \
(relation)->rd_createSubid != InvalidSubTransactionId)
InvalidSubTransactionId
#define InvalidSubTransactionId
Definition: c.h:647

Definition at line 649 of file rel.h.

◆ RELATION_IS_OTHER_TEMP

#define RELATION_IS_OTHER_TEMP (   relation)
Value:
((relation)->rd_rel->relpersistence == RELPERSISTENCE_TEMP && \
!(relation)->rd_islocaltemp)

Definition at line 659 of file rel.h.

◆ RelationGetDescr

#define RelationGetDescr (   relation)    ((relation)->rd_att)

Definition at line 530 of file rel.h.

◆ RelationGetFillFactor

#define RelationGetFillFactor (   relation,
  defaultff 
)
Value:
((relation)->rd_options ? \
((StdRdOptions *) (relation)->rd_options)->fillfactor : (defaultff))

Definition at line 362 of file rel.h.

◆ RelationGetForm

#define RelationGetForm (   relation)    ((relation)->rd_rel)

Definition at line 498 of file rel.h.

◆ RelationGetNamespace

#define RelationGetNamespace (   relation)     ((relation)->rd_rel->relnamespace)

Definition at line 545 of file rel.h.

◆ RelationGetNumberOfAttributes

#define RelationGetNumberOfAttributes (   relation)    ((relation)->rd_rel->relnatts)

Definition at line 510 of file rel.h.

◆ RelationGetParallelWorkers

#define RelationGetParallelWorkers (   relation,
  defaultpw 
)
Value:
((relation)->rd_options ? \
((StdRdOptions *) (relation)->rd_options)->parallel_workers : (defaultpw))

Definition at line 396 of file rel.h.

◆ RelationGetRelationName

#define RelationGetRelationName (   relation)     (NameStr((relation)->rd_rel->relname))

Definition at line 538 of file rel.h.

◆ RelationGetRelid

#define RelationGetRelid (   relation)    ((relation)->rd_id)

Definition at line 504 of file rel.h.

◆ RelationGetTargetBlock

#define RelationGetTargetBlock (   relation)     ( (relation)->rd_smgr != NULL ? (relation)->rd_smgr->smgr_targblock : InvalidBlockNumber )

Definition at line 602 of file rel.h.

◆ RelationGetTargetPageFreeSpace

#define RelationGetTargetPageFreeSpace (   relation,
  defaultff 
)     (BLCKSZ * (100 - RelationGetFillFactor(relation, defaultff)) / 100)

Definition at line 377 of file rel.h.

◆ RelationGetTargetPageUsage

#define RelationGetTargetPageUsage (   relation,
  defaultff 
)     (BLCKSZ * RelationGetFillFactor(relation, defaultff) / 100)

Definition at line 370 of file rel.h.

◆ RelationGetToastTupleTarget

#define RelationGetToastTupleTarget (   relation,
  defaulttarg 
)
Value:
((relation)->rd_options ? \
((StdRdOptions *) (relation)->rd_options)->toast_tuple_target : (defaulttarg))

Definition at line 354 of file rel.h.

◆ RelationHasCascadedCheckOption

#define RelationHasCascadedCheckOption (   relation)
Value:
(AssertMacro(relation->rd_rel->relkind == RELKIND_VIEW), \
(relation)->rd_options && \
((ViewOptions *) (relation)->rd_options)->check_option == \
VIEW_OPTION_CHECK_OPTION_CASCADED)
AssertMacro
#define AssertMacro(condition)
Definition: c.h:848

Definition at line 467 of file rel.h.

◆ RelationHasCheckOption

#define RelationHasCheckOption (   relation)
Value:
(AssertMacro(relation->rd_rel->relkind == RELKIND_VIEW), \
(relation)->rd_options && \
((ViewOptions *) (relation)->rd_options)->check_option != \
VIEW_OPTION_CHECK_OPTION_NOT_SET)

Definition at line 445 of file rel.h.

◆ RelationHasLocalCheckOption

#define RelationHasLocalCheckOption (   relation)
Value:
(AssertMacro(relation->rd_rel->relkind == RELKIND_VIEW), \
(relation)->rd_options && \
((ViewOptions *) (relation)->rd_options)->check_option == \
VIEW_OPTION_CHECK_OPTION_LOCAL)

Definition at line 456 of file rel.h.

◆ RelationHasReferenceCountZero

#define RelationHasReferenceCountZero (   relation)     ((bool)((relation)->rd_refcnt == 0))

Definition at line 488 of file rel.h.

◆ RelationHasSecurityInvoker

#define RelationHasSecurityInvoker (   relation)
Value:
(AssertMacro(relation->rd_rel->relkind == RELKIND_VIEW), \
(relation)->rd_options ? \
((ViewOptions *) (relation)->rd_options)->security_invoker : false)

Definition at line 435 of file rel.h.

◆ RelationIsAccessibleInLogicalDecoding

#define RelationIsAccessibleInLogicalDecoding (   relation)
Value:
(XLogLogicalInfoActive() && \
RelationNeedsWAL(relation) && \
(IsCatalogRelation(relation) || RelationIsUsedAsCatalogTable(relation)))
IsCatalogRelation
bool IsCatalogRelation(Relation relation)
Definition: catalog.c:105
RelationIsUsedAsCatalogTable
#define RelationIsUsedAsCatalogTable(relation)
Definition: rel.h:385
XLogLogicalInfoActive
#define XLogLogicalInfoActive()
Definition: xlog.h:121

Definition at line 685 of file rel.h.

◆ RelationIsLogicallyLogged

#define RelationIsLogicallyLogged (   relation)
Value:
(XLogLogicalInfoActive() && \
RelationNeedsWAL(relation) && \
(relation)->rd_rel->relkind != RELKIND_FOREIGN_TABLE && \
!IsCatalogRelation(relation))

Definition at line 702 of file rel.h.

◆ RelationIsMapped

#define RelationIsMapped (   relation)
Value:
(RELKIND_HAS_STORAGE((relation)->rd_rel->relkind) && \
((relation)->rd_rel->relfilenode == InvalidRelFileNumber))
InvalidRelFileNumber
#define InvalidRelFileNumber
Definition: relpath.h:26

Definition at line 553 of file rel.h.

◆ RelationIsPermanent

#define RelationIsPermanent (   relation)     ((relation)->rd_rel->relpersistence == RELPERSISTENCE_PERMANENT)

Definition at line 618 of file rel.h.

◆ RelationIsPopulated

#define RelationIsPopulated (   relation)    ((relation)->rd_rel->relispopulated)

Definition at line 678 of file rel.h.

◆ RelationIsScannable

#define RelationIsScannable (   relation)    ((relation)->rd_rel->relispopulated)

Definition at line 670 of file rel.h.

◆ RelationIsSecurityView

#define RelationIsSecurityView (   relation)
Value:
(AssertMacro(relation->rd_rel->relkind == RELKIND_VIEW), \
(relation)->rd_options ? \
((ViewOptions *) (relation)->rd_options)->security_barrier : false)

Definition at line 425 of file rel.h.

◆ RelationIsUsedAsCatalogTable

#define RelationIsUsedAsCatalogTable (   relation)
Value:
((relation)->rd_options && \
((relation)->rd_rel->relkind == RELKIND_RELATION || \
(relation)->rd_rel->relkind == RELKIND_MATVIEW) ? \
((StdRdOptions *) (relation)->rd_options)->user_catalog_table : false)

Definition at line 385 of file rel.h.

◆ RelationIsValid

#define RelationIsValid (   relation)    PointerIsValid(relation)

Definition at line 477 of file rel.h.

◆ RelationNeedsWAL

#define RelationNeedsWAL (   relation)
Value:
(RelationIsPermanent(relation) && (XLogIsNeeded() || \
(relation->rd_createSubid == InvalidSubTransactionId && \
relation->rd_firstRelfilelocatorSubid == InvalidSubTransactionId)))
RelationIsPermanent
#define RelationIsPermanent(relation)
Definition: rel.h:618
XLogIsNeeded
#define XLogIsNeeded()
Definition: xlog.h:104

Definition at line 629 of file rel.h.

◆ RelationSetTargetBlock

#define RelationSetTargetBlock (   relation,
  targblock 
)
Value:
do { \
RelationGetSmgr(relation)->smgr_targblock = (targblock); \
} while (0)

Definition at line 609 of file rel.h.

◆ RelationUsesLocalBuffers

#define RelationUsesLocalBuffers (   relation)     ((relation)->rd_rel->relpersistence == RELPERSISTENCE_TEMP)

Definition at line 638 of file rel.h.

Typedef Documentation

◆ AutoVacOpts

typedef struct AutoVacOpts AutoVacOpts

◆ ForeignKeyCacheInfo

typedef struct ForeignKeyCacheInfo ForeignKeyCacheInfo

◆ LockInfo

typedef LockInfoData* LockInfo

Definition at line 49 of file rel.h.

◆ LockInfoData

typedef struct LockInfoData LockInfoData

◆ LockRelId

typedef struct LockRelId LockRelId

◆ RelationData

typedef struct RelationData RelationData

◆ StdRdOptIndexCleanup

typedef enum StdRdOptIndexCleanup StdRdOptIndexCleanup

◆ StdRdOptions

typedef struct StdRdOptions StdRdOptions

◆ ViewOptCheckOption

typedef enum ViewOptCheckOption ViewOptCheckOption

◆ ViewOptions

typedef struct ViewOptions ViewOptions

Enumeration Type Documentation

◆ StdRdOptIndexCleanup

enum StdRdOptIndexCleanup
Enumerator
STDRD_OPTION_VACUUM_INDEX_CLEANUP_AUTO 
STDRD_OPTION_VACUUM_INDEX_CLEANUP_OFF 
STDRD_OPTION_VACUUM_INDEX_CLEANUP_ON 

Definition at line 328 of file rel.h.

329 {
330  STDRD_OPTION_VACUUM_INDEX_CLEANUP_AUTO = 0,
331  STDRD_OPTION_VACUUM_INDEX_CLEANUP_OFF,
332  STDRD_OPTION_VACUUM_INDEX_CLEANUP_ON
333 } StdRdOptIndexCleanup;
StdRdOptIndexCleanup
StdRdOptIndexCleanup
Definition: rel.h:329
STDRD_OPTION_VACUUM_INDEX_CLEANUP_AUTO
@ STDRD_OPTION_VACUUM_INDEX_CLEANUP_AUTO
Definition: rel.h:330
STDRD_OPTION_VACUUM_INDEX_CLEANUP_OFF
@ STDRD_OPTION_VACUUM_INDEX_CLEANUP_OFF
Definition: rel.h:331
STDRD_OPTION_VACUUM_INDEX_CLEANUP_ON
@ STDRD_OPTION_VACUUM_INDEX_CLEANUP_ON
Definition: rel.h:332

◆ ViewOptCheckOption

enum ViewOptCheckOption
Enumerator
VIEW_OPTION_CHECK_OPTION_NOT_SET 
VIEW_OPTION_CHECK_OPTION_LOCAL 
VIEW_OPTION_CHECK_OPTION_CASCADED 

Definition at line 401 of file rel.h.

402 {
403  VIEW_OPTION_CHECK_OPTION_NOT_SET,
404  VIEW_OPTION_CHECK_OPTION_LOCAL,
405  VIEW_OPTION_CHECK_OPTION_CASCADED
406 } ViewOptCheckOption;
ViewOptCheckOption
ViewOptCheckOption
Definition: rel.h:402
VIEW_OPTION_CHECK_OPTION_NOT_SET
@ VIEW_OPTION_CHECK_OPTION_NOT_SET
Definition: rel.h:403
VIEW_OPTION_CHECK_OPTION_LOCAL
@ VIEW_OPTION_CHECK_OPTION_LOCAL
Definition: rel.h:404
VIEW_OPTION_CHECK_OPTION_CASCADED
@ VIEW_OPTION_CHECK_OPTION_CASCADED
Definition: rel.h:405

Function Documentation

◆ RelationCloseSmgr()

static void RelationCloseSmgr ( Relation  relation)
inlinestatic

Definition at line 584 of file rel.h.

585 {
586  if (relation->rd_smgr != NULL)
587  smgrclose(relation->rd_smgr);
588 
589  /* smgrclose should unhook from owner pointer */
590  Assert(relation->rd_smgr == NULL);
591 }
Assert
Assert(fmt[strlen(fmt) - 1] !='\n')
smgrclose
void smgrclose(SMgrRelation reln)
Definition: smgr.c:260
RelationData::rd_smgr
SMgrRelation rd_smgr
Definition: rel.h:58

References Assert(), RelationData::rd_smgr, and smgrclose().

Referenced by RelationCacheInvalidate(), RelationClearRelation(), RelationCloseSmgrByOid(), RelationDestroyRelation(), RelationDropStorage(), and RelationReloadIndexInfo().

◆ RelationDecrementReferenceCount()

void RelationDecrementReferenceCount ( Relation  rel)

Definition at line 2140 of file relcache.c.

2141 {
2142  Assert(rel->rd_refcnt > 0);
2143  rel->rd_refcnt -= 1;
2144  if (!IsBootstrapProcessingMode())
2145  ResourceOwnerForgetRelationRef(CurrentResourceOwner, rel);
2146 }
IsBootstrapProcessingMode
#define IsBootstrapProcessingMode()
Definition: miscadmin.h:414
CurrentResourceOwner
ResourceOwner CurrentResourceOwner
Definition: resowner.c:147
ResourceOwnerForgetRelationRef
void ResourceOwnerForgetRelationRef(ResourceOwner owner, Relation rel)
Definition: resowner.c:1189
RelationData::rd_refcnt
int rd_refcnt
Definition: rel.h:59

References Assert(), CurrentResourceOwner, IsBootstrapProcessingMode, RelationData::rd_refcnt, and ResourceOwnerForgetRelationRef().

Referenced by DestroyPartitionDirectory(), heap_endscan(), index_endscan(), RelationCacheInitializePhase3(), RelationClose(), and RelationFlushRelation().

◆ RelationGetSmgr()

static SMgrRelation RelationGetSmgr ( Relation  rel)
inlinestatic

Definition at line 572 of file rel.h.

573 {
574  if (unlikely(rel->rd_smgr == NULL))
575  smgrsetowner(&(rel->rd_smgr), smgropen(rel->rd_locator, rel->rd_backend));
576  return rel->rd_smgr;
577 }
unlikely
#define unlikely(x)
Definition: c.h:300
smgrsetowner
void smgrsetowner(SMgrRelation *owner, SMgrRelation reln)
Definition: smgr.c:202
smgropen
SMgrRelation smgropen(RelFileLocator rlocator, BackendId backend)
Definition: smgr.c:150
RelationData::rd_backend
BackendId rd_backend
Definition: rel.h:60
RelationData::rd_locator
RelFileLocator rd_locator
Definition: rel.h:57

References RelationData::rd_backend, RelationData::rd_locator, RelationData::rd_smgr, smgropen(), smgrsetowner(), and unlikely.

Referenced by _bt_blwritepage(), _bt_load(), _hash_alloc_buckets(), autoprewarm_database_main(), bt_index_check_internal(), end_heap_rewrite(), ExtendBufferedRelBy(), ExtendBufferedRelShared(), ExtendBufferedRelTo(), FlushRelationBuffers(), FreeSpaceMapPrepareTruncateRel(), fsm_readbuf(), gist_indexsortbuild(), gist_indexsortbuild_flush_ready_pages(), gistBuildCallback(), heapam_relation_copy_data(), index_build(), index_copy_data(), pg_prewarm(), pg_truncate_visibility_map(), PrefetchBuffer(), raw_heap_insert(), ReadBufferExtended(), RelationGetNumberOfBlocksInFork(), RelationPreTruncate(), RelationTruncate(), table_block_relation_size(), visibilitymap_prepare_truncate(), vm_extend(), and vm_readbuf().

◆ RelationIncrementReferenceCount()

void RelationIncrementReferenceCount ( Relation  rel)

Definition at line 2127 of file relcache.c.

2128 {
2129  ResourceOwnerEnlargeRelationRefs(CurrentResourceOwner);
2130  rel->rd_refcnt += 1;
2131  if (!IsBootstrapProcessingMode())
2132  ResourceOwnerRememberRelationRef(CurrentResourceOwner, rel);
2133 }
ResourceOwnerEnlargeRelationRefs
void ResourceOwnerEnlargeRelationRefs(ResourceOwner owner)
Definition: resowner.c:1169
ResourceOwnerRememberRelationRef
void ResourceOwnerRememberRelationRef(ResourceOwner owner, Relation rel)
Definition: resowner.c:1180

References CurrentResourceOwner, IsBootstrapProcessingMode, RelationData::rd_refcnt, ResourceOwnerEnlargeRelationRefs(), and ResourceOwnerRememberRelationRef().

Referenced by heap_beginscan(), index_beginscan_internal(), PartitionDirectoryLookup(), RelationBuildLocalRelation(), RelationCacheInitializePhase3(), RelationFlushRelation(), and RelationIdGetRelation().