diff options
Diffstat (limited to 'sql/opt_index_cond_pushdown.cc')
| -rw-r--r-- | sql/opt_index_cond_pushdown.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sql/opt_index_cond_pushdown.cc b/sql/opt_index_cond_pushdown.cc index 6a24fa95b68..7bda8c45ac7 100644 --- a/sql/opt_index_cond_pushdown.cc +++ b/sql/opt_index_cond_pushdown.cc @@ -17,6 +17,7 @@ #include "mariadb.h" #include "sql_select.h" #include "sql_test.h" +#include "opt_trace.h" /**************************************************************************** * Index Condition Pushdown code starts @@ -355,6 +356,8 @@ void push_index_cond(JOIN_TAB *tab, uint keyno) { Item *idx_remainder_cond= 0; tab->pre_idx_push_select_cond= tab->select_cond; + Json_writer_object trace(tab->join->thd); + trace.add_table_name(tab); /* For BKA cache we store condition to special BKA cache field because evaluation of the condition requires additional operations @@ -387,6 +390,7 @@ void push_index_cond(JOIN_TAB *tab, uint keyno) idx_remainder_cond= NULL; } } + trace.add("index_condition", idx_cond); /* Disable eq_ref's "lookup cache" if we've pushed down an index @@ -424,6 +428,10 @@ void push_index_cond(JOIN_TAB *tab, uint keyno) } else tab->select_cond= idx_remainder_cond; + + if (tab->select_cond) + trace.add("row_condition", tab->select_cond); + if (tab->select) { DBUG_EXECUTE("where", |