PostgreSQL Source Code: Tuplesortstate Struct Reference

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Data Fields
TupSortStatus	status
int	nKeys
bool	randomAccess
bool	bounded
bool	boundUsed
int	bound
long	availMem
long	allowedMem
int	maxTapes
int	tapeRange
MemoryContext	sortcontext
LogicalTapeSet *	tapeset
SortTupleComparator	comparetup
void(*	copytup )(Tuplesortstate state, SortTuple stup, void *tup)
void(*	writetup )(Tuplesortstate state, int tapenum, SortTuple stup)
void(*	readtup )(Tuplesortstate state, SortTuple stup, int tapenum, unsigned int len)
void(*	reversedirection )(Tuplesortstate *state)
SortTuple *	memtuples
int	memtupcount
int	memtupsize
bool	growmemtuples
int	currentRun
bool *	mergeactive
int *	mergenext
int *	mergelast
int *	mergeavailslots
long *	mergeavailmem
int	mergefreelist
int	mergefirstfree
int	Level
int	destTape
int *	tp_fib
int *	tp_runs
int *	tp_dummy
int *	tp_tapenum
int	activeTapes
int	result_tape
int	current
bool	eof_reached
long	markpos_block
int	markpos_offset
bool	markpos_eof
TupleDesc	tupDesc
SortSupport	sortKeys
SortSupport	onlyKey
IndexInfo *	indexInfo
EState *	estate
Relation	heapRel
Relation	indexRel
ScanKey	indexScanKey
bool	enforceUnique
uint32	hash_mask
Oid	datumType
int	datumTypeLen
bool	datumTypeByVal

Detailed Description

Definition at line 205 of file tuplesort.c.

Field Documentation

int Tuplesortstate::activeTapes

Definition at line 326 of file tuplesort.c.

Referenced by beginmerge(), mergeonerun(), and tuplesort_performsort().

long Tuplesortstate::allowedMem

Definition at line 215 of file tuplesort.c.

Referenced by grow_memtuples(), inittapes(), tuplesort_begin_common(), tuplesort_end(), and tuplesort_get_stats().

long Tuplesortstate::availMem

Definition at line 214 of file tuplesort.c.

Referenced by beginmerge(), grow_memtuples(), mergeonerun(), mergeprereadone(), tuplesort_begin_common(), tuplesort_end(), tuplesort_get_stats(), and tuplesort_gettuple_common().

int Tuplesortstate::bound

Definition at line 213 of file tuplesort.c.

Referenced by make_bounded_heap(), puttuple_common(), sort_bounded_heap(), tuplesort_gettuple_common(), and tuplesort_set_bound().

bool Tuplesortstate::bounded

Definition at line 210 of file tuplesort.c.

Referenced by make_bounded_heap(), puttuple_common(), sort_bounded_heap(), tuplesort_begin_common(), tuplesort_gettuple_common(), and tuplesort_set_bound().

bool Tuplesortstate::boundUsed

Definition at line 212 of file tuplesort.c.

Referenced by sort_bounded_heap(), tuplesort_begin_common(), and tuplesort_get_stats().

SortTupleComparator Tuplesortstate::comparetup

Definition at line 230 of file tuplesort.c.

Referenced by tuplesort_begin_cluster(), tuplesort_begin_datum(), tuplesort_begin_heap(), tuplesort_begin_index_btree(), tuplesort_begin_index_hash(), and tuplesort_performsort().

void(* Tuplesortstate::copytup)(Tuplesortstate *state, SortTuple *stup, void *tup)

Definition at line 238 of file tuplesort.c.

Referenced by tuplesort_begin_cluster(), tuplesort_begin_datum(), tuplesort_begin_heap(), tuplesort_begin_index_btree(), and tuplesort_begin_index_hash().

int Tuplesortstate::current

Definition at line 334 of file tuplesort.c.

Referenced by tuplesort_gettuple_common(), tuplesort_markpos(), tuplesort_performsort(), tuplesort_rescan(), and tuplesort_restorepos().

int Tuplesortstate::currentRun

Definition at line 285 of file tuplesort.c.

Referenced by dumptuples(), inittapes(), mergeruns(), puttuple_common(), and tuplesort_begin_common().

Oid Tuplesortstate::datumType

Definition at line 381 of file tuplesort.c.

Referenced by tuplesort_begin_datum().

bool Tuplesortstate::datumTypeByVal

Definition at line 384 of file tuplesort.c.

Referenced by readtup_datum(), tuplesort_begin_datum(), tuplesort_getdatum(), tuplesort_putdatum(), and writetup_datum().

int Tuplesortstate::datumTypeLen

Definition at line 383 of file tuplesort.c.

Referenced by tuplesort_begin_datum(), tuplesort_getdatum(), tuplesort_putdatum(), and writetup_datum().

int Tuplesortstate::destTape

Definition at line 321 of file tuplesort.c.

Referenced by dumptuples(), inittapes(), mergeruns(), and selectnewtape().

bool Tuplesortstate::enforceUnique

Definition at line 372 of file tuplesort.c.

Referenced by comparetup_index_btree(), and tuplesort_begin_index_btree().

bool Tuplesortstate::eof_reached

Definition at line 335 of file tuplesort.c.

Referenced by tuplesort_gettuple_common(), tuplesort_markpos(), tuplesort_performsort(), tuplesort_rescan(), and tuplesort_restorepos().

EState* Tuplesortstate::estate

Definition at line 361 of file tuplesort.c.

Referenced by comparetup_cluster(), tuplesort_begin_cluster(), and tuplesort_end().

bool Tuplesortstate::growmemtuples

Definition at line 279 of file tuplesort.c.

Referenced by grow_memtuples(), and tuplesort_begin_common().

uint32 Tuplesortstate::hash_mask

Definition at line 375 of file tuplesort.c.

Referenced by comparetup_index_hash(), and tuplesort_begin_index_hash().

Relation Tuplesortstate::heapRel

Definition at line 367 of file tuplesort.c.

Referenced by comparetup_index_btree(), tuplesort_begin_index_btree(), and tuplesort_begin_index_hash().

IndexInfo* Tuplesortstate::indexInfo

Definition at line 360 of file tuplesort.c.

Referenced by comparetup_cluster(), copytup_cluster(), readtup_cluster(), and tuplesort_begin_cluster().

Relation Tuplesortstate::indexRel

Definition at line 368 of file tuplesort.c.

Referenced by comparetup_index_btree(), copytup_index(), readtup_index(), tuplesort_begin_index_btree(), and tuplesort_begin_index_hash().

ScanKey Tuplesortstate::indexScanKey

Definition at line 371 of file tuplesort.c.

Referenced by comparetup_cluster(), comparetup_index_btree(), reversedirection_index_btree(), tuplesort_begin_cluster(), and tuplesort_begin_index_btree().

int Tuplesortstate::Level

Definition at line 320 of file tuplesort.c.

Referenced by inittapes(), mergeruns(), and selectnewtape().

long Tuplesortstate::markpos_block

Definition at line 338 of file tuplesort.c.

Referenced by tuplesort_markpos(), tuplesort_performsort(), tuplesort_rescan(), and tuplesort_restorepos().

bool Tuplesortstate::markpos_eof

Definition at line 340 of file tuplesort.c.

Referenced by tuplesort_markpos(), tuplesort_performsort(), tuplesort_rescan(), and tuplesort_restorepos().

int Tuplesortstate::markpos_offset

Definition at line 339 of file tuplesort.c.

Referenced by tuplesort_markpos(), tuplesort_performsort(), tuplesort_rescan(), and tuplesort_restorepos().

int Tuplesortstate::maxTapes

Definition at line 216 of file tuplesort.c.

Referenced by beginmerge(), inittapes(), and mergepreread().

int Tuplesortstate::memtupcount

Definition at line 277 of file tuplesort.c.

Referenced by beginmerge(), dumptuples(), inittapes(), make_bounded_heap(), mergeonerun(), mergeruns(), puttuple_common(), sort_bounded_heap(), tuplesort_begin_common(), tuplesort_gettuple_common(), tuplesort_heap_insert(), tuplesort_heap_siftup(), tuplesort_performsort(), and tuplesort_set_bound().

SortTuple* Tuplesortstate::memtuples

Definition at line 276 of file tuplesort.c.

Referenced by beginmerge(), dumptuples(), grow_memtuples(), inittapes(), make_bounded_heap(), mergeonerun(), mergeprereadone(), puttuple_common(), sort_bounded_heap(), tuplesort_begin_common(), tuplesort_gettuple_common(), tuplesort_heap_insert(), tuplesort_heap_siftup(), and tuplesort_performsort().

int Tuplesortstate::memtupsize

Definition at line 278 of file tuplesort.c.

Referenced by beginmerge(), dumptuples(), grow_memtuples(), inittapes(), puttuple_common(), tuplesort_begin_common(), and tuplesort_heap_insert().

bool* Tuplesortstate::mergeactive

Definition at line 307 of file tuplesort.c.

Referenced by beginmerge(), inittapes(), and mergeprereadone().

long* Tuplesortstate::mergeavailmem

Definition at line 311 of file tuplesort.c.

Referenced by beginmerge(), inittapes(), mergeonerun(), mergeprereadone(), and tuplesort_gettuple_common().

int* Tuplesortstate::mergeavailslots

Definition at line 310 of file tuplesort.c.

Referenced by beginmerge(), inittapes(), mergeonerun(), mergeprereadone(), and tuplesort_gettuple_common().

int Tuplesortstate::mergefirstfree

Definition at line 313 of file tuplesort.c.

Referenced by beginmerge(), and mergeprereadone().

int Tuplesortstate::mergefreelist

Definition at line 312 of file tuplesort.c.

Referenced by beginmerge(), mergeonerun(), mergeprereadone(), and tuplesort_gettuple_common().

int* Tuplesortstate::mergelast

Definition at line 309 of file tuplesort.c.

Referenced by beginmerge(), inittapes(), mergeonerun(), mergeprereadone(), and tuplesort_gettuple_common().

int* Tuplesortstate::mergenext

Definition at line 308 of file tuplesort.c.

Referenced by beginmerge(), inittapes(), mergeonerun(), mergeprereadone(), and tuplesort_gettuple_common().

int Tuplesortstate::nKeys

Definition at line 208 of file tuplesort.c.

Referenced by comparetup_cluster(), comparetup_heap(), comparetup_index_btree(), reversedirection_heap(), reversedirection_index_btree(), tuplesort_begin_cluster(), tuplesort_begin_datum(), tuplesort_begin_heap(), tuplesort_begin_index_btree(), and tuplesort_begin_index_hash().

SortSupport Tuplesortstate::onlyKey

Definition at line 353 of file tuplesort.c.

Referenced by comparetup_datum(), reversedirection_datum(), tuplesort_begin_datum(), tuplesort_begin_heap(), and tuplesort_performsort().

bool Tuplesortstate::randomAccess

Definition at line 209 of file tuplesort.c.

Referenced by mergeruns(), readtup_cluster(), readtup_datum(), readtup_heap(), readtup_index(), tuplesort_begin_common(), tuplesort_gettuple_common(), tuplesort_markpos(), tuplesort_rescan(), tuplesort_restorepos(), writetup_cluster(), writetup_datum(), writetup_heap(), and writetup_index().

void(* Tuplesortstate::readtup)(Tuplesortstate *state, SortTuple *stup, int tapenum, unsigned int len)

Definition at line 256 of file tuplesort.c.

Referenced by tuplesort_begin_cluster(), tuplesort_begin_datum(), tuplesort_begin_heap(), tuplesort_begin_index_btree(), and tuplesort_begin_index_hash().

int Tuplesortstate::result_tape

Definition at line 333 of file tuplesort.c.

Referenced by mergeruns(), tuplesort_begin_common(), tuplesort_gettuple_common(), tuplesort_markpos(), tuplesort_rescan(), and tuplesort_restorepos().

void(* Tuplesortstate::reversedirection)(Tuplesortstate *state)

Definition at line 264 of file tuplesort.c.

Referenced by tuplesort_begin_cluster(), tuplesort_begin_datum(), tuplesort_begin_heap(), tuplesort_begin_index_btree(), and tuplesort_begin_index_hash().

SortSupport Tuplesortstate::sortKeys

Definition at line 347 of file tuplesort.c.

Referenced by comparetup_heap(), copytup_heap(), readtup_heap(), reversedirection_heap(), and tuplesort_begin_heap().

TupSortStatus Tuplesortstate::status

Definition at line 207 of file tuplesort.c.

Referenced by inittapes(), make_bounded_heap(), mergeruns(), puttuple_common(), sort_bounded_heap(), tuplesort_begin_common(), tuplesort_get_stats(), tuplesort_gettuple_common(), tuplesort_markpos(), tuplesort_performsort(), tuplesort_rescan(), tuplesort_restorepos(), and tuplesort_set_bound().

int Tuplesortstate::tapeRange

Definition at line 217 of file tuplesort.c.

Referenced by beginmerge(), inittapes(), mergeonerun(), mergeruns(), and selectnewtape().

int* Tuplesortstate::tp_dummy

Definition at line 324 of file tuplesort.c.

Referenced by beginmerge(), dumptuples(), inittapes(), mergeruns(), and selectnewtape().

int* Tuplesortstate::tp_fib

Definition at line 322 of file tuplesort.c.

Referenced by inittapes(), and selectnewtape().

int* Tuplesortstate::tp_runs

Definition at line 323 of file tuplesort.c.

Referenced by beginmerge(), dumptuples(), inittapes(), mergeonerun(), and mergeruns().

int* Tuplesortstate::tp_tapenum

Definition at line 325 of file tuplesort.c.

Referenced by beginmerge(), dumptuples(), inittapes(), mergeonerun(), and mergeruns().

TupleDesc Tuplesortstate::tupDesc

Definition at line 346 of file tuplesort.c.

Referenced by comparetup_cluster(), comparetup_heap(), copytup_cluster(), copytup_heap(), readtup_cluster(), readtup_heap(), tuplesort_begin_cluster(), and tuplesort_begin_heap().

void(* Tuplesortstate::writetup)(Tuplesortstate *state, int tapenum, SortTuple *stup)

Definition at line 247 of file tuplesort.c.

Referenced by tuplesort_begin_cluster(), tuplesort_begin_datum(), tuplesort_begin_heap(), tuplesort_begin_index_btree(), and tuplesort_begin_index_hash().

The documentation for this struct was generated from the following file:

src/backend/utils/sort/tuplesort.c