Hi, Michael!
On May 18, Michael Widenius wrote:
=== modified file 'sql/handler.h'
--- a/sql/handler.h 2011-05-16 11:05:45 +
+++ b/sql/handler.h 2011-05-18 16:26:30 +
@@ -161,8 +161,11 @@
*/
#define HA_KEY_SCAN_NOT_ROR 128
#define HA_DO_INDEX_COND_PUSHDOWN 256 /*
Hi!
Sergei == Sergei Golubchik s...@askmonty.org writes:
cut
+ Data is clustered on this key. This means that when you read the key
+ you also get the row data in the same block.
Sergei perhaps, better to say that you get the row data without an extra seek
Sergei (or even without an
Hi, Michael!
On May 19, Michael Widenius wrote:
+++ b/sql/sql_select.cc2011-05-18 16:26:30 +
@@ -16525,9 +16527,9 @@ test_if_skip_sort_order(JOIN_TAB *tab,OR
*/
DBUG_ASSERT (ref_key != (int) nr);
-bool is_covering= table-covering_keys.is_set(nr) ||
-
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