Temporary fix for handling wild_one at end of string (key compression).

Full fix shall be in MySQL 4.1. (This is a hard one (!))


sql/opt_range.cc:
  Temporary fix for handling wild_one at end of string (key compression).
  A full fix shall be somewhere in 4.1 (!) This is a hard one...
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

1 files changed, 5 insertions, 0 deletions

diff --git a/sql/opt_range.cc b/sql/opt_range.cc
index dfd45933999..a3f236462b4 100644
--- a/sql/opt_range.cc
+++ b/sql/opt_range.cc
@@ -1116,6 +1116,11 @@ static bool like_range(const char *ptr,uint ptr_length,char escape,
     *min_str++= *max_str++ = *ptr;
   }
   *min_length= *max_length = (uint) (min_str - min_org);
+
+  /* Temporary fix for handling wild_one at end of string (key compression) */
+  for (char *tmp= min_str ; tmp > min_org && tmp[-1] == '\0';)
+    *--tmp=' ';
+
   while (min_str != min_end)
     *min_str++ = *max_str++ = ' ';		// Because if key compression
   return 0;