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| author | dan <Dan Kennedy> | 2021-03-03 11:00:31 +0000 |
|---|---|---|
| committer | dan <Dan Kennedy> | 2021-03-03 11:00:31 +0000 |
| commit | 3083d5f5eacc9adc7445894452364234daac61e6 (patch) | |
| tree | 983f207a80239b93302184c9433bbe1216ae4642 /src/resolve.c | |
| parent | bb05976dac48ab37a486dc4b839e6f85773d74e0 (diff) | |
| download | sqlite-3083d5f5eacc9adc7445894452364234daac61e6.tar.gz sqlite-3083d5f5eacc9adc7445894452364234daac61e6.zip | |
Fix a problem with using ALTER TABLE commands on database schemas that contain expressions of the form "<expr> NOT NULL" or "<expr> IS NULL" that can be evaluated at prepare time.
FossilOrigin-Name: d2630ffafa077b8cfd75110b6b73da30f780edc920d2788769a4dc747f09d3f6
Diffstat (limited to 'src/resolve.c')
| -rw-r--r-- | src/resolve.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/resolve.c b/src/resolve.c index ef2c0c624..6d3ed62f9 100644 --- a/src/resolve.c +++ b/src/resolve.c @@ -807,7 +807,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ anRef[i] = p->nRef; } sqlite3WalkExpr(pWalker, pExpr->pLeft); - if( 0==sqlite3ExprCanBeNull(pExpr->pLeft) ){ + if( 0==sqlite3ExprCanBeNull(pExpr->pLeft) && !IN_RENAME_OBJECT ){ if( pExpr->op==TK_NOTNULL ){ pExpr->u.zToken = "true"; ExprSetProperty(pExpr, EP_IsTrue); |