Merge with 4.1

BitKeeper/etc/logging_ok:
  auto-union
client/mysqltest.c:
  Auto merged
configure.in:
  Auto merged
include/my_global.h:
  Auto merged
mysql-test/r/bdb.result:
  Auto merged
mysql-test/r/connect.result:
  Auto merged
mysql-test/r/multi_update.result:
  Auto merged
mysql-test/r/show_check.result:
  Auto merged
mysql-test/r/system_mysql_db.result:
  Auto merged
mysql-test/t/multi_update.test:
  Auto merged
sql/ha_berkeley.cc:
  Auto merged
sql/ha_berkeley.h:
  Auto merged
sql/ha_heap.h:
  Auto merged
sql/ha_innodb.h:
  Auto merged
sql/handler.h:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/log.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_db.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_update.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql/opt_range.cc:
  Merge with 4.1
  true -> TRUE and false -> FALSE

1 files changed, 29 insertions, 0 deletions

diff --git a/sql/ha_berkeley.cc b/sql/ha_berkeley.cc
index e25640280a3..00df84e3797 100644
--- a/sql/ha_berkeley.cc
+++ b/sql/ha_berkeley.cc
@@ -340,6 +340,35 @@ const char **ha_berkeley::bas_ext() const
 { static const char *ext[]= { ha_berkeley_ext, NullS }; return ext; }
 
 
+ulong ha_berkeley::index_flags(uint idx, uint part, bool all_parts) const
+{
+  ulong flags= (HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER | HA_KEYREAD_ONLY
+                | HA_READ_RANGE);
+  for (uint i= all_parts ? 0 : part ; i <= part ; i++)
+  {
+    if (table->key_info[idx].key_part[i].field->type() == FIELD_TYPE_BLOB)
+    {
+      /* We can't use BLOBS to shortcut sorts */
+      flags&= ~(HA_READ_ORDER | HA_KEYREAD_ONLY | HA_READ_RANGE);
+      break;
+    }
+    switch (table->key_info[idx].key_part[i].field->key_type()) {
+    case HA_KEYTYPE_TEXT:
+    case HA_KEYTYPE_VARTEXT:
+      /*
+        As BDB stores only one copy of equal strings, we can't use key read
+        on these
+      */
+      flags&= ~HA_KEYREAD_ONLY;
+      break;
+    default:                                    // Keep compiler happy
+      break;
+    }
+  }
+  return flags;
+}
+
+
 static int
 berkeley_cmp_hidden_key(DB* file, const DBT *new_key, const DBT *saved_key)
 {