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| author | drh <> | 2021-09-07 15:41:25 +0000 |
|---|---|---|
| committer | drh <> | 2021-09-07 15:41:25 +0000 |
| commit | eb61630b400f436b2fc6a54438ba2846e29b843c (patch) | |
| tree | 5eafba981f02a27653aa17a5c33c222d47067f30 /src | |
| parent | fb8ca7de0cf8d6acf8899922cfd63b25e72594e8 (diff) | |
| download | sqlite-eb61630b400f436b2fc6a54438ba2846e29b843c.tar.gz sqlite-eb61630b400f436b2fc6a54438ba2846e29b843c.zip | |
Fix a potential NULL pointer deference in the LIKE optimization. The
problem was introduced by the addition of generated columns
in check-in [b855acf1831943b3] (SQLite version 3.31.0, 2020-01-22).
Reported by Wang Ke in
[forum/forumpost/699b44b3ee|forum post 699b44b3ee].
FossilOrigin-Name: b9417d400f4585004f434837022709f818044d5844fe208fe01595a6b226ef7d
Diffstat (limited to 'src')
| -rw-r--r-- | src/whereexpr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/whereexpr.c b/src/whereexpr.c index 3492769db..9b5d2cce9 100644 --- a/src/whereexpr.c +++ b/src/whereexpr.c @@ -263,7 +263,7 @@ static int isLikeOrGlob( */ if( pLeft->op!=TK_COLUMN || sqlite3ExprAffinity(pLeft)!=SQLITE_AFF_TEXT - || IsVirtual(pLeft->y.pTab) /* Value might be numeric */ + || (pLeft->y.pTab && IsVirtual(pLeft->y.pTab)) /* Might be numeric */ ){ int isNum; double rDummy; |