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Change the sqlite3BtreeKeySize() interface into sqlite3BtreeIntegerKey() and

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make it only work for table btrees.  Change sqlite3BtreeDataSize() into
sqlite3BtreePayloadSize() and make it work for all btrees.  Combine
sqlite3BtreeDataFetch() and sqlite3BtreeKeyFetch() into a single
sqlite3BtreePayloadFetch() routine.  These changes seem to make the
b-tree interface more rational and they reduce both binary size and
CPU usage.

FossilOrigin-Name: bef35e18dd19732f7859287b097feeb593e5900f
This commit is contained in:
drh
2016-06-04 20:37:10 +00:00
parent f94fdd832c
commit a7c90c42ea
10 changed files with 59 additions and 121 deletions
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7
src/btree.h
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@@ -284,11 +284,10 @@ int sqlite3BtreeLast(BtCursor*, int *pRes);
int sqlite3BtreeNext(BtCursor*, int *pRes);
int sqlite3BtreeEof(BtCursor*);
int sqlite3BtreePrevious(BtCursor*, int *pRes);
int sqlite3BtreeKeySize(BtCursor*, i64 *pSize);
i64 sqlite3BtreeIntegerKey(BtCursor*);
int sqlite3BtreeKey(BtCursor*, u32 offset, u32 amt, void*);
const void *sqlite3BtreeKeyFetch(BtCursor*, u32 *pAmt);
const void *sqlite3BtreeDataFetch(BtCursor*, u32 *pAmt);
int sqlite3BtreeDataSize(BtCursor*, u32 *pSize);
const void *sqlite3BtreePayloadFetch(BtCursor*, u32 *pAmt);
u32 sqlite3BtreePayloadSize(BtCursor*);
int sqlite3BtreeData(BtCursor*, u32 offset, u32 amt, void*);
char *sqlite3BtreeIntegrityCheck(Btree*, int *aRoot, int nRoot, int, int*);