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From sqlite3BtreeInsert(), bypass the btreeMoveto() routine for table inserts

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and go directly to sqlite3BtreeMovetoUnpacked().

FossilOrigin-Name: 53fe685d56368af78238c8981cc41704929f7660
This commit is contained in:
drh
2015-06-29 23:01:32 +00:00
parent b34755308c
commit 207c817365
3 changed files with 15 additions and 13 deletions
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14
src/btree.c
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@@ -7903,20 +7903,22 @@ int sqlite3BtreeInsert(
if( rc ) return rc;
if( pCur->pKeyInfo==0 ){
assert( pKey==0 );
/* If this is an insert into a table b-tree, invalidate any incrblob
** cursors open on the row being replaced */
invalidateIncrblobCursors(p, nKey, 0);
/* If the cursor is currently on the last row and we are appending a
** new row onto the end, set the "loc" to avoid an unnecessary btreeMoveto()
** call */
** new row onto the end, set the "loc" to avoid an unnecessary
** btreeMoveto() call */
if( (pCur->curFlags&BTCF_ValidNKey)!=0 && nKey>0
&& pCur->info.nKey==nKey-1 ){
loc = -1;
loc = -1;
}else if( loc==0 ){
rc = sqlite3BtreeMovetoUnpacked(pCur, 0, nKey, appendBias, &loc);
if( rc ) return rc;
}
}
if( !loc ){
}else if( loc==0 ){
rc = btreeMoveto(pCur, pKey, nKey, appendBias, &loc);
if( rc ) return rc;
}