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Split the sqlite3BtreeMovetoUnpacked() routine into two separate routines

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sqlite3BtreeTableMoveto() and sqlite3BtreeIndexMoveto(), since we usually
know the type of btree in advance.  This results in less branching and
better performance.

FossilOrigin-Name: 3b0d34e5e5f9a16c3397e4551f3b534729b1b375770f05f6ed5847818b1f4c0b
This commit is contained in:
drh
2021-06-19 18:32:20 +00:00
parent 6d72858e79
commit 42a410dcad
6 changed files with 266 additions and 181 deletions
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8
src/btree.h
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@@ -247,13 +247,17 @@ void sqlite3BtreeCursorHint(BtCursor*, int, ...);
#endif
int sqlite3BtreeCloseCursor(BtCursor*);
int sqlite3BtreeMovetoUnpacked(
int sqlite3BtreeTableMoveto(
BtCursor*,
UnpackedRecord *pUnKey,
i64 intKey,
int bias,
int *pRes
);
int sqlite3BtreeIndexMoveto(
BtCursor*,
UnpackedRecord *pUnKey,
int *pRes
);
int sqlite3BtreeCursorHasMoved(BtCursor*);
int sqlite3BtreeCursorRestore(BtCursor*, int*);
int sqlite3BtreeDelete(BtCursor*, u8 flags);