- Fix MDEV-7489 (in add_field)

modified:
  storage/connect/ha_connect.cc

- Fix MDEV-7494 (adding Insert_quoted in the STRING class)
modified:
  storage/connect/tabmysql.cpp
  storage/connect/xobject.cpp
  storage/connect/xobject.h

- Fix MDEV-7498 in value.cpp (AllocateValue)
modified:
  storage/connect/value.cpp

- Handle backslash in Json serialize + uchar + typo.
modified:
  storage/connect/json.cpp
  storage/connect/tabjson.cpp

1 files changed, 7 insertions, 2 deletions

diff --git a/storage/connect/value.cpp b/storage/connect/value.cpp
index 1cc40473433..e80c31a2baa 100644
--- a/storage/connect/value.cpp
+++ b/storage/connect/value.cpp
@@ -443,8 +443,13 @@ PVAL AllocateValue(PGLOBAL g, PVAL valp, int newtype, int uns)
     case TYPE_STRING:
       p = (PSZ)PlugSubAlloc(g, NULL, 1 + valp->GetValLen());
 
-      if ((sp = valp->GetCharString(p)) != p)
-        strcpy (p, sp);
+      if ((sp = valp->GetCharString(p)) != p) {
+        if (sp)
+          strcpy (p, sp);
+        else
+          *p = 0;
+
+        } // endif sp
 
       vp = new(g) TYPVAL<PSZ>(g, p, valp->GetValLen(), valp->GetValPrec());
       break;