Here is a list of all struct and union fields with links to the structures/unions they belong to:

- n -

• N : BlockSamplerData
• n : PGP_PubKey , GistEntryVector , BlockSamplerData
• n_block_read_time : PgStat_StatDBEntry
• n_block_write_time : PgStat_StatDBEntry
• n_blocks_fetched : PgStat_StatDBEntry
• n_blocks_hit : PgStat_StatDBEntry
• n_conflict_bufferpin : PgStat_StatDBEntry
• n_conflict_lock : PgStat_StatDBEntry
• n_conflict_snapshot : PgStat_StatDBEntry
• n_conflict_startup_deadlock : PgStat_StatDBEntry
• n_conflict_tablespace : PgStat_StatDBEntry
• n_data : NumericShort , NumericLong
• n_dead_tuples : PgStat_StatTabEntry
• n_deadlocks : PgStat_StatDBEntry
• n_distinct : AttributeOpts
• n_distinct_inherited : AttributeOpts
• n_errors : Archive
• n_header : NumericShort , NumericChoice
• n_initvars : PLpgSQL_stmt_block
• n_live_tuples : PgStat_StatTabEntry
• n_long : NumericChoice
• n_members : catclist
• n_short : NumericChoice
• n_sign_dscale : NumericLong
• n_temp_bytes : PgStat_StatDBEntry
• n_temp_files : PgStat_StatDBEntry
• n_test_times : tztry
• n_tuples_deleted : PgStat_StatDBEntry
• n_tuples_fetched : PgStat_StatDBEntry
• n_tuples_inserted : PgStat_StatDBEntry
• n_tuples_returned : PgStat_StatDBEntry
• n_tuples_updated : PgStat_StatDBEntry
• n_weight : NumericLong
• n_xact_commit : PgStat_StatDBEntry
• n_xact_rollback : PgStat_StatDBEntry
• nabortrels : TwoPhaseFileHeader
• naff : AffixNodeData
• nAffixData : IspellDict
• naffixes : IspellDict
• name : stemmer_module , priv_map , KeySuffix , KeyWord , ResourceOwnerData , _dumpableObject , printTextFormat , _variable , relopt_gen , CookedConstraint , option , pg_encname , pg_enc2name , pg_enc2gettext , DomainConstraintState , MemoryContextData , A_Expr , ResTarget , WindowDef , IndexElem , WindowClause , AlterTableCmd , AlterDomainStmt , VariableSetStmt , remoteConnHashEnt , VariableShowStmt , CreateOpClassItem , ltree_level , FunctionParameter , ReindexStmt , lquery_variant , PrepareStmt , ExecuteStmt , Variable , DeallocateStmt , NamedArgExpr , int_digest , XmlExpr , ScanKeyword , int_cipher , ConfigVariable , config_enum_entry , ossl_cipher_lookup , config_generic , PortalData , digest_info , statement , prepared_statement , cipher_info , connection , descriptor , generator , ECPGstruct_member , ECPGtemp_type , px_alias , prep , cursor , _TTOffList , typedefs , variable , worktable , fetch_desc , customer , TransactionStateData , TBempl , typinfo , pgresAttDesc , PGEvent , ExtensionControlFile , pgParameterStatus , PLpgSQL_nsitem , ExtensionVersionInfo , ExceptionMap , Session , NewConstraint , Step , cname , rerr
• name_catcache_id : ObjectPropertyType
• name_ind : ind
• named_args : XmlExprState , XmlExpr
• namedatalen : Pg_magic_struct
• nameDataLen : ControlFileData
• namelen : relopt_gen
• names : TypeName
• namespaces : deparse_context
• nargs : SQLFunctionParseInfo , substitute_actual_parameters_context , substitute_actual_srf_parameters_context , _funcInfo , _FuncCandidateList , _SPI_plan , FunctionCallInfoData , FmgrBuiltin , plperl_proc_desc , plperl_query_desc , PreparedParamsData , PLyPlanObject , PLyProcedure , pltcl_proc_desc , pltcl_query_desc
• nattrs : DR_printtup
• natts : RelToCheck , tupleDesc , PLyTupleToOb , PLyObToTuple
• nbatch : HashJoinTableData
• nbatch_original : HashJoinTableData
• nbatch_outstart : HashJoinTableData
• nbuckets : cachedesc , HashJoinTableData
• nbuffers : ResourceOwnerData
• nbytes : BufFile , LogicalTape , xl_relmap_update
• ncatlistrefs : ResourceOwnerData
• ncatrefs : ResourceOwnerData
• ncds : colormap
• nChain : spgxlogVacuumLeaf
• nchar : Regis
• nchars : PrintfTarget
• ncheck : _tableInfo
• nchild : QTNode
• nChildXids : TransactionStateData
• nchrs : colordesc , cvec
• nchunks : TIDBitmap
• ncolors : TrgmNFA , dfa , cnfa
• ncolumns : RecordIOData , MyData , RecordCompareData , printTableContent , IndexOptInfo
• ncommitrels : TwoPhaseFileHeader
• ncontext : avc_cache
• ndargs : _FuncCandidateList
• nDataPages : GinStatsData , GinMetaPageData
• ndatums : PLpgSQL_function , PLpgSQL_execstate
• ndbs : DbInfoArr
• nDead : spgxlogVacuumLeaf
• ndead : PruneState , xl_heap_clean
• nDelete : spgxlogPickSplit , spgxlogVacuumRoot
• ndeleted : ginxlogDeleteListPages
• nDeps : _tocEntry , _dumpableObject
• ndigits : NumericVar , numeric , decimal
• ndim : int2vector , oidvector , ArrayType
• ndims : plperl_array_info
• ndistinct : GroupVarInfo
• ndoc : StatEntry
• nDomChecks : _typeInfo
• need_bufusage : Instrumentation
• need_locale : NUMDesc
• need_phvs : pullup_replace_vars_context
• need_recheck : GinChkVal
• need_timer : Instrumentation
• need_transcoding : CopyStateData
• needfree : Pairs
• needrecode : DictSnowball
• needreload : WalSnd
• negative : catctup
• nelem_alloc : HASHHDR
• nelements : LockData , PredicateLockData
• nelems : ArrayBuildState , plperl_array_info
• nEntries : GinStatsData , GinMetaPageData
• nentries : TIDBitmap , HASHHDR , GinScanKeyData
• nentry : StatEntry
• nEntryPages : GinStatsData , GinMetaPageData
• nest_level : PgStat_SubXactStatus , PgStat_TableXactStatus , guc_stack
• nestingLevel : TransactionStateData
• nestLevel : OverrideStackEntry , PendingRelDelete
• nestParams : NestLoop
• nEvents : pg_result , pg_conn
• new : _defines
• new_all_visible_cleared : xl_heap_update
• new_colnames : deparse_columns
• new_db_oid : FileNameMap
• new_index : ChangeVarNodes_context
• new_notnull : AlteredTableInfo
• new_prune_xid : PruneState
• new_rel_tuples : LVRelStats
• new_relfilenode : FileNameMap
• new_tablespace : FileNameMap
• new_tablespace_suffix : FileNameMap
• new_tid : OldToNewMappingData
• new_varno : PLpgSQL_function
• new_xmax : xl_heap_update
• newestRedirectXid : spgxlogVacuumRedirect
• newitemoff : FindSplitData
• newitemonleft : FindSplitData
• newitemsz : FindSplitData
• newname : RenameStmt
• newowner : AlterOwnerStmt
• newPage : spgxlogAddLeaf , spgxlogMoveLeafs , spgxlogAddNode , spgxlogSplitTuple
• newRightlink : ginxlogUpdateMeta
• newrole : ReassignOwnedStmt
• newschema : AlterObjectSchemaStmt
• newTableSpace : AlteredTableInfo
• newtid : xl_heap_update
• newVal : AlterEnumStmt
• newValIsAfter : AlterEnumStmt
• newValNeighbor : AlterEnumStmt
• newvals : AlteredTableInfo , FieldStoreState , FieldStore
• newvarno : fix_upper_expr_context
• newXactForCursor : remoteConn
• next : NODE , PushFilter , _TTOffList , GistBDItem , ss_lru_item_t , spgVacPendingItem , mXactCacheEnt , GlobalTransactionData , XactCallbackItem , SubXactCallbackItem , ObjectAddressStack , PendingRelDelete , SQLDropObject , SeqTableData , AfterTriggerEventChunk , execution_state , RangeQueryClause , ArrayExprIterState , DBWriteRequest , pg_ctype_cache , SplitVar , ParsedLex , PGLZ_HistEntry , InvalidationChunk , df_files , AllocBlockData , ResourceReleaseCallbackItem , SimpleStringListCell , _tocEntry , SimpleOidListCell , printTableFooter , _variable , GISTSearchItem , SplitedPageLayout , XLogRecData , _FuncCandidateList , HashJoinTupleData , dlist_node , dlist_mutable_iter , slist_node , slist_mutable_iter , ExprContext_CB , ListCell , PgStat_TableXactStatus , arcbatch , state , SHM_QUEUE , RegisNode , ConfigVariable , ECPGtype_information_cache , prepared_statement , connection , descriptor , descriptor_item , variable , var_list , auto_mem , ECPGstruct_member , _include_path , cursor , typedefs , _defines , arguments , assignment , pgNotify , pgresult_data , pgMessageField , pgParameterStatus , SimpleEcontextStackEntry , PLpgSQL_condition , PLyExecutionContext , _resultmap , _stringlist
• next_child_flag : PMSignalData
• next_elem : ArrayConstIterState , IndexArrayKeyInfo
• next_eo : pg_conn
• next_fn : PredIterInfoData
• next_in : _z_stream
• next_match : regexp_matches_ctx
• next_out : _z_stream
• next_result : pg_conn
• next_saved : CachedPlanSource
• next_scalar : getState , eachState
• next_tuple : PgFdwScanState
• next_unowned_reln : SMgrRelationData
• nextBlockSize : AllocSetContext
• nextChar : SuffixChar
• nextchild : ResourceOwnerData , MemoryContextData
• nextentry : LexemeInfo
• nextFree : vfd
• nextLXID : ProcState
• nextMsgNum : ProcState
• nextMulti : CheckPoint
• nextMultiOffset : CheckPoint
• nextMXact : MultiXactStateData
• nextOffset : MultiXactStateData , SpGistLeafTupleData , SpGistDeadTupleData
• nextOid : VariableCacheData , CheckPoint
• nextPage : BTScanPosData
• nextSlot : IndirectBlock
• nextThreshold : SISeg
• nextTupleOffset : BTScanPosData
• nexttype : vars
• nextup : IndirectBlock
• nextvalue : vars
• nextvariant : LexemeInfo
• nextVictimBuffer : BufferStrategyControl
• nextXid : VariableCacheData , CheckPoint , xl_running_xacts , RunningTransactionsData
• nextXidEpoch : CheckPoint
• nextxlogfile : ControlData
• nfa : vars
• nFH : TAR_MEMBER
• nfields : PLpgSQL_row
• nFileBlocks : LogicalTapeSet , GISTBuildBuffers
• nfiles : ResourceOwnerData
• nfiltered1 : Instrumentation
• nfiltered2 : Instrumentation
• nFreeBlocks : LogicalTapeSet , GISTBuildBuffers
• nGranted : LOCK
• ngxacts : Working_State
• nins : state
• nInsert : spgxlogPickSplit
• ninvalmsgs : TwoPhaseFileHeader
• nitem : ginxlogInsert , DocRepresentation , ginxlogCreatePostingTree , ginxlogSplit , ginxlogVacuumPage , GinBtreeData
• nitems : ArrayIteratorData , InvalidationChunk , xl_btree_delete
• nkeys : spgLeafConsistentIn
• nKeys : Tuplesortstate
• nkeys : RI_ConstraintInfo , cachedesc , GinScanOpaqueData , spgInnerConsistentIn , catclist
• nl_left : printTextFormat
• nl_MatchedOuter : NestLoopState
• nl_NeedNewOuter : NestLoopState
• nl_NullInnerTupleSlot : NestLoopState
• nl_right : printTextFormat
• nlacons : guts , vars
• nlcolor : vars
• nlist : GinScanEntryData
• nLockDeps : _tocEntry
• nLocks : LOCALLOCKOWNER , LOCALLOCK
• nlocks : ResourceOwnerData , xl_standby_locks
• nloops : Instrumentation
• nmatch : vars
• nmatches : regexp_matches_ctx
• nmembers : xl_multixact_create , mXactCacheEnt
• nMove : spgxlogVacuumLeaf
• nMoves : spgxlogMoveLeafs
• nmsgs : xl_xact_commit
• nNodes : spgChooseIn , spgPickSplitOut , spgInnerConsistentIn , spgInnerConsistentOut , SpGistInnerTupleData
• no : state
• no_psqlrc : adhoc_opts
• no_readline : adhoc_opts
• no_security_labels : _restoreOptions
• no_write : MBuf
• noas : state
• noblock : Port
• noCount : LimitState
• noDataForFailedTables : _restoreOptions
• nodb : options
• node : SPNodeData , spgxlogVacuumLeaf , spgxlogMoveLeafs , xl_btree_reuse_page , xl_heap_clean , gistxlogPageUpdate , ginxlogDeletePage , ginIncompleteSplit , CHKVAL , bt_incomplete_action , SPPageDesc , xl_invalid_page_key , ginxlogCreatePostingTree , ginxlogInsert , ginxlogSplit , ginxlogVacuumPage , ginxlogUpdateMeta , ginxlogInsertListPage , ginxlogDeleteListPages , gistxlogPageSplit , xl_heaptid , xl_heap_multi_insert , xl_heap_cleanup_info , xl_heap_newpage , xl_heap_freeze , xl_heap_visible , xl_btreetid , xl_btree_split , xl_btree_delete , xl_btree_vacuum , xl_btree_newroot , spgxlogAddLeaf , spgxlogAddNode , spgxlogSplitTuple , spgxlogPickSplit , spgxlogVacuumRoot , spgxlogVacuumRedirect , BkpBlock , xl_seq_rec , SortBy , RelFileNodeBackend , Regis , AffixNodeData
• node_size : RBTree
• nodeBlocknum : GISTNodeBuffer
• nodeBuffer : RelocationBufferInfo
• nodeBuffersTab : GISTBuildBuffers
• nodeI : spgxlogPickSplit , spgxlogAddNode , spgxlogAddLeaf , spgxlogMoveLeafs
• nodeLabel : spgChooseOut
• nodeLabels : spgChooseIn , spgPickSplitOut , spgInnerConsistentIn
• nodeN : spgChooseOut
• nodeNumbers : spgInnerConsistentOut
• nomatch_option : ReplaceVarsFromTargetList_context
• nomatch_varno : ReplaceVarsFromTargetList_context
• non_recursive_plan : PlannerInfo
• nonblocking : pg_conn
• nonempty : IndexClauseSet
• nonempty_pages : LVRelStats
• nonExclusiveBackups : XLogCtlInsert
• nonexistent_code : dropmsgstrings
• nonexistent_msg : dropmsgstrings
• noOwner : _restoreOptions
• norm_selec : RestrictInfo
• normalize_results : getState , eachState
• normalized_scalar : eachState
• nota_msg : dropmsgstrings
• noTablespace : _restoreOptions
• noticeHooks : pg_result , pg_conn
• noticeProc : PGNoticeHooks
• noticeProcArg : PGNoticeHooks
• noticeRec : PGNoticeHooks
• noticeRecArg : PGNoticeHooks
• notifyHead : pg_conn
• notifyTail : pg_conn
• notnull : _tableInfo , PLpgSQL_var
• noTocComments : _archiveHandle
• noTransValue : AggStatePerGroupData , WindowStatePerAggData
• notty : _psqlSettings
• nouts : state
• now : vars
• nowait : LockStmt
• noWait : LockingClause , PlanRowMark , RowMarkClause
• nowait : basebackup_options
• noWait : ExecRowMark
• nowdead : PruneState
• nowunused : PruneState
• npage : gistxlogPageSplit
• nPageData : GISTScanOpaqueData
• npages : TIDBitmap
• nParamExec : PlannedStmt , PlannerGlobal
• npath : getState
• npatterns : regexp_matches_ctx
• nPendingHeapTuples : GinMetaPageData
• nPendingPages : GinMetaPageData , GinStatsData
• npermutations : TestSpec
• nPlaceholder : SpGistPageOpaqueData , spgxlogVacuumLeaf
• nplanrefs : ResourceOwnerData
• nplans : BitmapOrState , EPlan , BitmapAndState
• npos : WordEntryPosVector
• nProcs : WAIT_ORDER
• nPtrs : SpGistScanOpaqueData
• npts : POLYGON , PATH
• nq : FieldNot
• nranges : cvec
• nredirected : xl_heap_clean , PruneState
• nRedirection : SpGistPageOpaqueData
• nrelrefs : ResourceOwnerData
• nrels : xl_xact_commit , RelInfoArr , xl_xact_abort
• nRequested : LOCK
• nRevDeps : _tocEntry
• nrows : printTableContent , PLyResultObject
• ns : PLpgSQL_expr
• nsegs : HASHHDR
• nsessions : TestSpec
• nsetupsqls : TestSpec
• nSkewBuckets : HashJoinTableData
• nsn : GISTPageOpaqueData
• nsnapshots : ResourceOwnerData
• nspacl : _namespaceInfo
• nspell : IspellDict
• nspid : InternalDefaultACL
• nspname : RelInfo , FileNameMap
• nssets : dfa
• nssused : dfa
• nstate : TrgmStateKey , TState
• nstates : cnfa , nfa , dfa
• nstem : SplitVar
• nsteps : Permutation , Session
• nsub : guts
• nsubexp : vars
• nsubs : vars
• nsubst : DictThesaurus
• nsubxacts : TwoPhaseFileHeader , xl_xact_abort , xl_xact_assignment , xl_xact_commit_compact , xl_xact_commit
• nsupers : _InhPaths
• nt : FieldNot
• ntags : EventTriggerCacheItem
• nTapes : LogicalTapeSet
• ntids : SpGistScanOpaqueData
• ntile : ntile_context
• ntodelete : gistxlogPageUpdate
• nToPlaceholder : spgxlogVacuumRedirect
• nTotalPages : GinMetaPageData , GinStatsData
• ntree : guts , vars
• ntupdescs : ResourceOwnerData
• ntuples : xl_heap_multi_insert , ginxlogUpdateMeta
• nTuples : spgPickSplitIn
• ntuples : FileFdwPlanState , TBMIterateResult , ginxlogInsertListPage , GinTupleCollector , Instrumentation
• ntups : pg_result
• ntwrds : DictThesaurus
• null_field : pg_result
• null_print : CopyStateData
• null_print_client : CopyStateData
• null_print_len : CopyStateData
• nullable_relids : RestrictInfo
• nullbitmap : ArrayIteratorData
• nullPrint : printQueryOpt
• nulls : plperl_array_info , regexp_matches_ctx , PreparedParamsData
• nulls_first : MergeScanSelCache , SortGroupClause , IndexOptInfo
• nulls_ordering : IndexElem
• nullsFirst : Sort , MergeAppend
• nulltesttype : NullTest
• nuls : PipeProtoHeader
• num : gistxlogPage , ossldata , WORKSTATE , descriptor_item
• Num : NUMCacheEntry
• num : QPRS_STATE
• Num : NUMProc
• num : eary
• num_backend_fsync : CheckpointerShmemStruct
• num_backend_writes : CheckpointerShmemStruct
• num_batches : HashPath
• num_check : tupleConstr
• num_child_flags : PMSignalData
• num_cols : deparse_columns
• num_count : NUMProc
• num_curr : NUMProc
• num_custom_plans : CachedPlanSource
• num_dead_tuples : LVRelStats
• num_defaults : CopyStateData
• num_defval : tupleConstr
• num_elems : ArrayConstIterState , IndexArrayKeyInfo , BTArrayKeyInfo
• num_files : SlruFlushData
• num_heap_tuples : IndexVacuumInfo
• num_in : NUMProc
• num_index_scans : LVRelStats
• num_index_tuples : IndexBulkDeleteResult
• num_keywords : core_yy_extra_type
• num_libraries : OSInfo
• num_mappings : RelMapFile
• num_new_cols : deparse_columns
• num_old_tablespaces : OSInfo
• num_pages : IndexBulkDeleteResult
• num_params : CachedPlanSource
• num_partitions : HASHCTL , HASHHDR
• num_pre : NUMProc
• num_requests : CheckpointerShmemStruct
• num_sa_scans : GenericCosts
• num_slots : SlruSharedData
• num_tuples : PgFdwScanState
• num_vacuums : BTVacInfo
• num_values : TypeCacheEnumData
• num_vars : indexed_tlist
• numabbrevs : TimeZoneAbbrevTable
• numAggs : AggClauseCosts
• numaggs : WindowAggState , AggState
• numalloc : SetConstraintStateData
• numArguments : AggStatePerAggData , WindowStatePerFuncData
• numArrayKeys : BTScanOpaqueData
• numAttributes : pg_result
• numatts : _tableInfo
• numbatches : JoinCostWorkspace
• number : ParamRef , NUMProc , ColorTrgmInfo , CreateOpClassItem , OpFamilyMember , var_list , TrgmState
• number_p : NUMProc
• numberOfKeys : IndexScanDescData , SpGistScanOpaqueData , BTScanOpaqueData
• numberOfOrderBys : IndexScanDescData
• numbuckets : JoinCostWorkspace
• numBufferAllocs : BufferStrategyControl
• numCols : Unique , RecursiveUnion , MergeAppend , SetOp , Agg , TupleHashTableData , Sort , Group
• numDistinctCols : AggStatePerAggData
• numericLocale : printTableOpt
• numFiles : BufFile
• numFullBlocks : LogicalTape
• numfuncs : WindowAggState
• numGroups : SetOp , Agg , RecursiveUnion
• numIndexPages : GenericCosts
• numIndexTuples : GenericCosts
• numInputs : AggStatePerAggData
• numitems : CteState
• numKilled : BTScanOpaqueData
• numKnownAssignedXids : ProcArrayStruct
• numLeft : SetOpStatePerGroupData
• numlevel : ltree , lquery
• numLockModes : LockMethodData
• numLockOwners : LOCALLOCK
• numLocks : RuleLock
• numnumbers : VacAttrStats
• numOrderedAggs : AggClauseCosts
• numOutput : SetOpState
• numParameters : pg_result
• numParams : ParamListInfoData , FixedParamState , VarParamState , PgFdwScanState
• numParents : _tableInfo
• numPrepXacts : TwoPhaseStateData
• numProcs : ProcArrayStruct
• numrefs : ObjectAddresses
• numRight : SetOpStatePerGroupData
• numrows : PgFdwAnalyzeState
• numscans : PgStat_StatTabEntry
• numSortCols : AggStatePerAggData
• numSpcs : temp_tablespaces_extra
• numstates : SetConstraintStateData
• numSupport : opclasscacheent
• numtriggers : TriggerDesc
• numvalues : VacAttrStats
• numvar : lquery_level
• numWindowFuncs : WindowFuncLists
• numWorkers : ParallelState , Archive
• nunused : PruneState
• nuserentries : GinScanKeyData
• nvalues : KeyArray
• nvargs : _FuncCandidateList
• nvariables : CState
• nvariant : TSLexeme , ParsedWord
• nwords : Bitmapset
• nwrds : DictThesaurus
• nxids : PGXACT
• nxip : TxidSnapshot