summaryrefslogtreecommitdiffstats
path: root/lib/libsqlite3/src/alter.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libsqlite3/src/alter.c')
-rw-r--r--lib/libsqlite3/src/alter.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/libsqlite3/src/alter.c b/lib/libsqlite3/src/alter.c
index 1a83e570db8..64204b7b249 100644
--- a/lib/libsqlite3/src/alter.c
+++ b/lib/libsqlite3/src/alter.c
@@ -116,6 +116,7 @@ static void renameParentFunc(
int token; /* Type of token */
UNUSED_PARAMETER(NotUsed);
+ if( zInput==0 || zOld==0 ) return;
for(z=zInput; *z; z=z+n){
n = sqlite3GetToken(z, &token);
if( token==TK_REFERENCES ){