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Data Structures | Macros | Typedefs | Enumerations | Functions
rel.h File Reference
#include "access/tupdesc.h"
#include "access/xlog.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 345 of file rel.h.

◆ HEAP_MIN_FILLFACTOR

#define HEAP_MIN_FILLFACTOR   10

Definition at line 344 of file rel.h.

◆ IndexRelationGetNumberOfAttributes

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

Definition at line 513 of file rel.h.

◆ IndexRelationGetNumberOfKeyAttributes

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

Definition at line 520 of file rel.h.

◆ InvalidRelation

#define InvalidRelation   ((Relation) NULL)

Definition at line 476 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:594

Definition at line 646 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 656 of file rel.h.

◆ RelationGetDescr

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

Definition at line 527 of file rel.h.

◆ RelationGetFillFactor

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

Definition at line 359 of file rel.h.

◆ RelationGetForm

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

Definition at line 495 of file rel.h.

◆ RelationGetNamespace

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

Definition at line 542 of file rel.h.

◆ RelationGetNumberOfAttributes

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

Definition at line 507 of file rel.h.

◆ RelationGetParallelWorkers

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

Definition at line 393 of file rel.h.

◆ RelationGetRelationName

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

Definition at line 535 of file rel.h.

◆ RelationGetRelid

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

Definition at line 501 of file rel.h.

◆ RelationGetTargetBlock

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

Definition at line 599 of file rel.h.

◆ RelationGetTargetPageFreeSpace

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

Definition at line 374 of file rel.h.

◆ RelationGetTargetPageUsage

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

Definition at line 367 of file rel.h.

◆ RelationGetToastTupleTarget

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

Definition at line 351 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:795

Definition at line 464 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 442 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 453 of file rel.h.

◆ RelationHasReferenceCountZero

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

Definition at line 485 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 432 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:382
XLogLogicalInfoActive
#define XLogLogicalInfoActive()
Definition: xlog.h:121

Definition at line 682 of file rel.h.

◆ RelationIsLogicallyLogged

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

Definition at line 699 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 550 of file rel.h.

◆ RelationIsPermanent

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

Definition at line 615 of file rel.h.

◆ RelationIsPopulated

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

Definition at line 675 of file rel.h.

◆ RelationIsScannable

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

Definition at line 667 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 422 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 382 of file rel.h.

◆ RelationIsValid

#define RelationIsValid (   relation)    PointerIsValid(relation)

Definition at line 474 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:615
XLogIsNeeded
#define XLogIsNeeded()
Definition: xlog.h:104

Definition at line 626 of file rel.h.

◆ RelationSetTargetBlock

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

Definition at line 606 of file rel.h.

◆ RelationUsesLocalBuffers

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

Definition at line 635 of file rel.h.

Typedef Documentation

◆ AutoVacOpts

typedef struct AutoVacOpts AutoVacOpts

◆ ForeignKeyCacheInfo

typedef struct ForeignKeyCacheInfo ForeignKeyCacheInfo

◆ LockInfo

typedef LockInfoData* LockInfo

Definition at line 48 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 325 of file rel.h.

326 {
327  STDRD_OPTION_VACUUM_INDEX_CLEANUP_AUTO = 0,
328  STDRD_OPTION_VACUUM_INDEX_CLEANUP_OFF,
329  STDRD_OPTION_VACUUM_INDEX_CLEANUP_ON
330 } StdRdOptIndexCleanup;
StdRdOptIndexCleanup
StdRdOptIndexCleanup
Definition: rel.h:326
STDRD_OPTION_VACUUM_INDEX_CLEANUP_AUTO
@ STDRD_OPTION_VACUUM_INDEX_CLEANUP_AUTO
Definition: rel.h:327
STDRD_OPTION_VACUUM_INDEX_CLEANUP_OFF
@ STDRD_OPTION_VACUUM_INDEX_CLEANUP_OFF
Definition: rel.h:328
STDRD_OPTION_VACUUM_INDEX_CLEANUP_ON
@ STDRD_OPTION_VACUUM_INDEX_CLEANUP_ON
Definition: rel.h:329

◆ ViewOptCheckOption

enum ViewOptCheckOption
Enumerator
VIEW_OPTION_CHECK_OPTION_NOT_SET 
VIEW_OPTION_CHECK_OPTION_LOCAL 
VIEW_OPTION_CHECK_OPTION_CASCADED 

Definition at line 398 of file rel.h.

399 {
400  VIEW_OPTION_CHECK_OPTION_NOT_SET,
401  VIEW_OPTION_CHECK_OPTION_LOCAL,
402  VIEW_OPTION_CHECK_OPTION_CASCADED
403 } ViewOptCheckOption;
ViewOptCheckOption
ViewOptCheckOption
Definition: rel.h:399
VIEW_OPTION_CHECK_OPTION_NOT_SET
@ VIEW_OPTION_CHECK_OPTION_NOT_SET
Definition: rel.h:400
VIEW_OPTION_CHECK_OPTION_LOCAL
@ VIEW_OPTION_CHECK_OPTION_LOCAL
Definition: rel.h:401
VIEW_OPTION_CHECK_OPTION_CASCADED
@ VIEW_OPTION_CHECK_OPTION_CASCADED
Definition: rel.h:402

Function Documentation

◆ RelationCloseSmgr()

static void RelationCloseSmgr ( Relation  relation)
inlinestatic

Definition at line 581 of file rel.h.

582 {
583  if (relation->rd_smgr != NULL)
584  smgrclose(relation->rd_smgr);
585 
586  /* smgrclose should unhook from owner pointer */
587  Assert(relation->rd_smgr == NULL);
588 }
Assert
Assert(fmt[strlen(fmt) - 1] !='\n')
smgrclose
void smgrclose(SMgrRelation reln)
Definition: smgr.c:256
RelationData::rd_smgr
SMgrRelation rd_smgr
Definition: rel.h:57

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:402
CurrentResourceOwner
ResourceOwner CurrentResourceOwner
Definition: resowner.c:146
ResourceOwnerForgetRelationRef
void ResourceOwnerForgetRelationRef(ResourceOwner owner, Relation rel)
Definition: resowner.c:1129
RelationData::rd_refcnt
int rd_refcnt
Definition: rel.h:58

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 569 of file rel.h.

570 {
571  if (unlikely(rel->rd_smgr == NULL))
572  smgrsetowner(&(rel->rd_smgr), smgropen(rel->rd_locator, rel->rd_backend));
573  return rel->rd_smgr;
574 }
unlikely
#define unlikely(x)
Definition: c.h:295
smgrsetowner
void smgrsetowner(SMgrRelation *owner, SMgrRelation reln)
Definition: smgr.c:198
smgropen
SMgrRelation smgropen(RelFileLocator rlocator, BackendId backend)
Definition: smgr.c:146
RelationData::rd_backend
BackendId rd_backend
Definition: rel.h:59
RelationData::rd_locator
RelFileLocator rd_locator
Definition: rel.h:56

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(), blbuildempty(), bt_index_check_internal(), btbuildempty(), end_heap_rewrite(), FlushRelationBuffers(), FreeSpaceMapPrepareTruncateRel(), fsm_extend(), 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(), spgbuildempty(), 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:1109
ResourceOwnerRememberRelationRef
void ResourceOwnerRememberRelationRef(ResourceOwner owner, Relation rel)
Definition: resowner.c:1120

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

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