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authorSergei Petrunia <psergey@askmonty.org>2014-12-06 03:11:03 +0300
committerSergei Petrunia <psergey@askmonty.org>2014-12-06 03:11:03 +0300
commit5ee1c25fa8043f81ad744d1c532b8c1dafa3b5ea (patch)
treeed59f9c4886c2a812e0a954053d1375aad5f63c0 /sql/sql_explain.h
parenta80a797686e72644e0ad479fdfd2a3b56c4ddf05 (diff)
downloadmariadb-git-5ee1c25fa8043f81ad744d1c532b8c1dafa3b5ea.tar.gz
EXPLAIN FORMAT=JSON: Full scan on NULL key (join case)
Diffstat (limited to 'sql/sql_explain.h')
-rw-r--r--sql/sql_explain.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/sql/sql_explain.h b/sql/sql_explain.h
index ba5a5c2e6ec..a7ef0beb649 100644
--- a/sql/sql_explain.h
+++ b/sql/sql_explain.h
@@ -562,6 +562,7 @@ public:
non_merged_sjm_number(0),
extra_tags(root),
range_checked_fer(NULL),
+ full_scan_on_null_key(false),
start_dups_weedout(false),
end_dups_weedout(false),
where_cond(NULL),
@@ -634,6 +635,8 @@ public:
/* Non-NULL values means this tab uses "range checked for each record" */
Explain_range_checked_fer *range_checked_fer;
+
+ bool full_scan_on_null_key;
// valid with ET_USING_JOIN_BUFFER
EXPLAIN_BKA_TYPE bka_type;