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Following a prior error, an ALWAYS() in sqlite3ExprCanBeNull() might be false.

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dbsqlfuzz 5dbec6678a20e7595a34dfdd869a3b9722b3ca43.

FossilOrigin-Name: 4e207401acce1bdc17025f2d55bd94234b435e286cd43e1eda03b6949a2a91d3
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drh
2021-11-28 19:54:38 +00:00
parent 315e3122c3
commit 6df8c0cd3b
3 changed files with 8 additions and 11 deletions
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2
src/expr.c
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@@ -2457,7 +2457,7 @@ int sqlite3ExprCanBeNull(const Expr *p){
return ExprHasProperty(p, EP_CanBeNull) ||
p->y.pTab==0 || /* Reference to column of index on expression */
(p->iColumn>=0
&& ALWAYS(p->y.pTab->aCol!=0) /* Defense against OOM problems */
&& p->y.pTab->aCol!=0 /* Possible due to prior error */
&& p->y.pTab->aCol[p->iColumn].notNull==0);
default:
return 1;