-Run test suite with smaller aria keybuffer size (to make it possible to run more tests in parallel)

-Added test and extra code to ensure we don't leave keyread on for a handler table.
-Create on disk temporary files always with long data pointers if SQL_SMALL_RESULT is not used. This ensures that we can handle temporary files bigger than 4G.

mysql-test/include/default_mysqld.cnf:
  Run test suite with smaller aria keybuffer size
mysql-test/suite/maria/maria3.result:
  Run test suite with smaller aria keybuffer size
mysql-test/suite/sys_vars/r/aria_pagecache_buffer_size_basic.result:
  Run test suite with smaller aria keybuffer size
sql/handler.cc:
  Disable key read (extra safety if something went wrong)
sql/multi_range_read.cc:
  Ensure we have don't leave keyread on for secondary_file
sql/opt_range.cc:
  Simplify code with mark_columns_used_by_index_no_reset()
  Ensure that read_keys_and_merge() disableds keyread if it enables it
sql/opt_subselect.cc:
  Remove not anymore used argument for create_internal_tmp_table()
sql/sql_derived.cc:
  Remove not anymore used argument for create_internal_tmp_table()
sql/sql_select.cc:
  Use 'enable_keyread()' instead of calling HA_EXTRA_RESET. (Makes debugging easier)
  Create on disk temporary files always with long data pointers if SQL_SMALL_RESULT is not used. This ensures that we can handle temporary files bigger than 4G.
  Remove not anymore used argument for create_internal_tmp_table()
  More DBUG
sql/sql_select.h:
  Remove not anymore used argument for create_internal_tmp_table()

1 files changed, 1 insertions, 0 deletions

diff --git a/sql/handler.cc b/sql/handler.cc
index 85445ee44df..7e4087ca77f 100644
--- a/sql/handler.cc
+++ b/sql/handler.cc
@@ -2757,6 +2757,7 @@ void handler::get_auto_increment(ulonglong offset, ulonglong increment,
   {
     /* This should never happen, assert in debug, and fail in release build */
     DBUG_ASSERT(0);
+    (void) extra(HA_EXTRA_NO_KEYREAD);
     *first_value= ULONGLONG_MAX;
     return;
   }