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Fix the OP_OpenDup opcode so that it is able to duplicate a cursor that

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was itself opened by OP_OpenDup.  Add additional verification of
ephemeral tables.  Fix for ticket [bb8a9fd4a9b7fce5].

FossilOrigin-Name: bcbe5308f3a3b94f965b0f5627cb29cce2e09343b86d757e2de889f7773576e7
This commit is contained in:
drh
2021-03-18 16:47:24 +00:00
parent 8df014979e 76f7b16f1e
commit 8d81aac13f
7 changed files with 186 additions and 61 deletions
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10
src/vdbeaux.c
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@@ -2479,14 +2479,8 @@ void sqlite3VdbeFreeCursor(Vdbe *p, VdbeCursor *pCx){
break;
}
case CURTYPE_BTREE: {
if( pCx->isEphemeral ){
if( pCx->pBtx ) sqlite3BtreeClose(pCx->pBtx);
/* The pCx->pCursor will be close automatically, if it exists, by
** the call above. */
}else{
assert( pCx->uc.pCursor!=0 );
sqlite3BtreeCloseCursor(pCx->uc.pCursor);
}
assert( pCx->uc.pCursor!=0 );
sqlite3BtreeCloseCursor(pCx->uc.pCursor);
break;
}
#ifndef SQLITE_OMIT_VIRTUALTABLE