database/openGauss-server
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

提升external sort性能

Browse Source
This commit is contained in:
cc_db_dev
2023-02-23 19:50:17 +08:00
parent d326c9ef54
commit c85182e24c
9 changed files with 485 additions and 362 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
src/include/utils/logtape.h
View File

@ -68,5 +68,6 @@ extern size_t LogicalTapeBackspace(LogicalTapeSet *lts, int tapenum, size_t size
extern void LogicalTapeSeek(LogicalTapeSet *lts, int tapenum, long blocknum, int offset);
extern void LogicalTapeTell(LogicalTapeSet *lts, int tapenum, long *blocknum, int *offset);
extern long LogicalTapeSetBlocks(LogicalTapeSet *lts);
extern void LogicalTapeAssignReadBufferSize(LogicalTapeSet *lts, int tapenum, size_t bufsize);
#endif /* LOGTAPE_H */

4
src/include/utils/tuplesort.h
View File

@ -152,8 +152,8 @@ extern void tuplesort_performsort(Tuplesortstate* state);
extern bool tuplesort_gettupleslot(Tuplesortstate* state, bool forward, TupleTableSlot* slot, Datum* abbrev);
extern bool tuplesort_gettupleslot_into_tuplestore(
Tuplesortstate* state, bool forward, TupleTableSlot* slot, Datum* abbrev, Tuplestorestate* tstate);
extern void* tuplesort_getheaptuple(Tuplesortstate* state, bool forward, bool* should_free);
extern IndexTuple tuplesort_getindextuple(Tuplesortstate* state, bool forward, bool* should_free);
extern void* tuplesort_getheaptuple(Tuplesortstate* state, bool forward);
extern IndexTuple tuplesort_getindextuple(Tuplesortstate* state, bool forward);
extern bool tuplesort_getdatum(Tuplesortstate* state, bool forward, Datum* val, bool* isNull);
extern void tuplesort_end(Tuplesortstate* state);