'tryDml' works with Postgres

1 files changed, 9 insertions, 0 deletions

diff --git a/src/c/urweb.c b/src/c/urweb.c
index cac518ec..747f62b6 100644
--- a/src/c/urweb.c
+++ b/src/c/urweb.c
@@ -2175,6 +2175,15 @@ uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
   return s;
 }
 
+uw_Basis_string uw_dup_and_clear_error_message(uw_context ctx) {
+  if (ctx->error_message[0]) {
+    char *s = uw_strdup(ctx, ctx->error_message);
+    ctx->error_message[0] = 0;
+    return s;
+  } else
+    return NULL;
+}
+
 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
   if (s1)
     return uw_strdup(ctx, s1);