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Take advantage of the fact that b-tree cursors need not be closed while other cursors modify their tables to simplify trigger program generation code. (CVS 4654)

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FossilOrigin-Name: f1966a8a47fca85f7862c0797a527ab01ac8b0c1
This commit is contained in:
danielk1977
2008-01-02 11:50:51 +00:00
parent eb9ae90137
commit e448dc4abf
7 changed files with 102 additions and 137 deletions
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6
src/btree.c
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@@ -9,7 +9,7 @@
** May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree.c,v 1.435 2008/01/01 06:19:02 danielk1977 Exp $
** $Id: btree.c,v 1.436 2008/01/02 11:50:51 danielk1977 Exp $
**
** This file implements a external (disk-based) database using BTrees.
** See the header comment on "btreeInt.h" for additional information.
@@ -6229,7 +6229,9 @@ int sqlite3BtreeFlags(BtCursor *pCur){
/* TODO: What about CURSOR_REQUIRESEEK state? Probably need to call
** restoreOrClearCursorPosition() here.
*/
MemPage *pPage = pCur->pPage;
MemPage *pPage;
restoreOrClearCursorPosition(pCur);
pPage = pCur->pPage;
assert( cursorHoldsMutex(pCur) );
assert( pPage->pBt==pCur->pBt );
return pPage ? pPage->aData[pPage->hdrOffset] : 0;