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authordrh <drh@noemail.net>2014-04-18 01:10:05 +0000
committerdrh <drh@noemail.net>2014-04-18 01:10:05 +0000
commita1a483d54e39272c16b5fa94e97578ccddee6a8a (patch)
treeb28bb3ea6cdff4cdefa08c26c870e415e996c730 /src/alter.c
parent652cc4b6dca02426e8d375a962bf8417850d9f7a (diff)
parent71794dbaeb73f594ef704fa265715b207f98edc7 (diff)
downloadsqlite-a1a483d54e39272c16b5fa94e97578ccddee6a8a.tar.gz
sqlite-a1a483d54e39272c16b5fa94e97578ccddee6a8a.zip
Merge recent trunk changes into sessions.
FossilOrigin-Name: 95e77efe076ab421bd246119c47dba5dacf9d087
Diffstat (limited to 'src/alter.c')
-rw-r--r--src/alter.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/alter.c b/src/alter.c
index 1a83e570d..64204b7b2 100644
--- a/src/alter.c
+++ b/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 ){