Imported Upstream version 2.2.1

1 files changed, 9 insertions, 0 deletions

diff --git a/src/trigger.c b/src/trigger.c
index 8985ec6..f1ff766 100644
--- a/src/trigger.c
+++ b/src/trigger.c
@@ -729,6 +729,15 @@ static int codeTriggerProgram(
     */
     pParse->eOrconf = (orconf==OE_Default)?pStep->orconf:(u8)orconf;
 
+    /* Clear the cookieGoto flag. When coding triggers, the cookieGoto 
+    ** variable is used as a flag to indicate to sqlite3ExprCodeConstants()
+    ** that it is not safe to refactor constants (this happens after the
+    ** start of the first loop in the SQL statement is coded - at that 
+    ** point code may be conditionally executed, so it is no longer safe to 
+    ** initialize constant register values).  */
+    assert( pParse->cookieGoto==0 || pParse->cookieGoto==-1 );
+    pParse->cookieGoto = 0;
+
     switch( pStep->op ){
       case TK_UPDATE: {
         sqlite3Update(pParse,