Ensure that the insert/delete size delta on JSONB objects in the JSON cache

are always set to zero.

FossilOrigin-Name: 4b4581668a908473dbf1322a3e98bc7cca122998c44518ea183af7f0d1ba9f95

1 files changed, 3 insertions, 0 deletions

diff --git a/src/json.c b/src/json.c
index a1441e809..2756590eb 100644
--- a/src/json.c
+++ b/src/json.c
@@ -374,6 +374,7 @@ static int jsonCacheInsert(
 
   assert( pParse->zJson!=0 );
   assert( pParse->bJsonIsRCStr );
+  assert( pParse->delta==0 );
   p = sqlite3_get_auxdata(ctx, JSON_CACHE_ID);
   if( p==0 ){
     sqlite3 *db = sqlite3_context_db_handle(ctx);
@@ -446,6 +447,7 @@ static JsonParse *jsonCacheSearch(
       p->a[p->nUsed-1] = tmp;
       i = p->nUsed - 1;
     }
+    assert( p->a[i]->delta==0 );
     return p->a[i];
   }else{
     return 0;
@@ -3306,6 +3308,7 @@ static void jsonReturnParse(
   }else{
     JsonString s;
     jsonStringInit(&s, ctx);
+    p->delta = 0;
     jsonXlateBlobToText(p, 0, &s);
     jsonReturnString(&s, p, ctx);
     sqlite3_result_subtype(ctx, JSON_SUBTYPE);