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Initial implementation of an optimization that attempts to reuse the same

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materialization of a view on a self-join of the view.

FossilOrigin-Name: 478c34b9a8b5127d13024e10307aa832f160b89720c46424dd17555bd36f590d
This commit is contained in:
drh
2017-05-01 15:15:41 +00:00
parent 7555581fc1
commit e08e8d6b61
5 changed files with 69 additions and 13 deletions
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src/vdbeaux.c
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@@ -2039,7 +2039,7 @@ void sqlite3VdbeFreeCursor(Vdbe *p, VdbeCursor *pCx){
sqlite3BtreeClose(pCx->pBtx);
/* The pCx->pCursor will be close automatically, if it exists, by
** the call above. */
}else{
}else if( !pCx->isEphemeral ){
assert( pCx->uc.pCursor!=0 );
sqlite3BtreeCloseCursor(pCx->uc.pCursor);
}