Fix \ handling

diff --git a/src/backend/commands/trigger.c b/src/backend/commands/trigger.c
index c3116ca88297f5431a60e0a4c598ba0b4072a2db..9215f41055596fd433bc0bd2f6b3d124983e58cc 100644 (file)
--- a/src/backend/commands/trigger.c
+++ b/src/backend/commands/trigger.c
@@ -159,14 +159,31 @@ CreateTrigger(CreateTrigStmt * stmt)
 
        foreach(le, stmt->args)
        {
-           char       *ar = (char *) lfirst(le);
+           char   *ar = (char *) lfirst(le);
 
            len += strlen(ar) + 4;
+           for ( ; *ar; ar++)
+           {
+               if (*ar == '\\')
+                   len++;
+           }
        }
        args = (char *) palloc(len + 1);
        args[0] = 0;
        foreach(le, stmt->args)
-           sprintf(args + strlen(args), "%s\\000", (char *) lfirst(le));
+       {
+           char   *s = (char *) lfirst(le);
+           char   *d = args + strlen(args);
+           
+           while (*s)
+           {
+               if (*s == '\\')
+                   *d++ = '\\';
+               *d++ = *s++;
+           }
+           *d = 0;
+           strcat(args, "\\000");
+       }
        values[Anum_pg_trigger_tgnargs - 1] = Int16GetDatum(nargs);
        values[Anum_pg_trigger_tgargs - 1] = PointerGetDatum(byteain(args));
    }