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Catch an obscure case of database corruption.

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FossilOrigin-Name: 0f9b17a6da42b4da667bbbc00f713effe92a66b5
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dan
2009-12-05 18:03:50 +00:00
parent 28f372f6d9
commit 89e060e462
3 changed files with 16 additions and 11 deletions
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13
src/btree.c
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@@ -5593,11 +5593,16 @@ static void copyNodeContent(MemPage *pFrom, MemPage *pTo, int *pRC){
memcpy(&aTo[iToHdr], &aFrom[iFromHdr], pFrom->cellOffset + 2*pFrom->nCell);
/* Reinitialize page pTo so that the contents of the MemPage structure
** match the new data. The initialization of pTo "cannot" fail, as the
** data copied from pFrom is known to be valid. */
** match the new data. The initialization of pTo can actually fail under
** fairly obscure circumstances, even though it is a copy of initialized
** page pFrom.
*/
pTo->isInit = 0;
TESTONLY(rc = ) btreeInitPage(pTo);
assert( rc==SQLITE_OK );
rc = btreeInitPage(pTo);
if( rc!=SQLITE_OK ){
*pRC = rc;
return;
}
/* If this is an auto-vacuum database, update the pointer-map entries
** for any b-tree or overflow pages that pTo now contains the pointers to.