diff options
Diffstat (limited to 'sql/sql_test.cc')
| -rw-r--r-- | sql/sql_test.cc | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/sql/sql_test.cc b/sql/sql_test.cc index 3d43c35177d..f247fb10f89 100644 --- a/sql/sql_test.cc +++ b/sql/sql_test.cc @@ -24,6 +24,7 @@ #include "sql_show.h" // calc_sum_of_all_status #include "sql_select.h" #include "keycaches.h" +#include "my_json_writer.h" #include <hash.h> #include <thr_alarm.h> #if defined(HAVE_MALLINFO) && defined(HAVE_MALLOC_H) @@ -36,6 +37,8 @@ #include "events.h" #endif +#define FT_KEYPART (MAX_FIELDS+10) + static const char *lock_descriptions[] = { /* TL_UNLOCK */ "No lock", @@ -225,8 +228,6 @@ TEST_join(JOIN *join) } -#define FT_KEYPART (MAX_FIELDS+10) - static void print_keyuse(KEYUSE *keyuse) { char buff[256]; @@ -263,7 +264,6 @@ void print_keyuse_array(DYNAMIC_ARRAY *keyuse_array) DBUG_UNLOCK_FILE; } - /* Print the current state during query optimization. @@ -655,3 +655,24 @@ Memory allocated by threads: %s\n", puts(""); fflush(stdout); } + +void print_keyuse_array_for_trace(THD *thd, DYNAMIC_ARRAY *keyuse_array) +{ + Json_writer_object wrapper(thd); + Json_writer_array trace_key_uses(thd, "ref_optimizer_key_uses"); + for(uint i=0; i < keyuse_array->elements; i++) + { + KEYUSE *keyuse= (KEYUSE*)dynamic_array_ptr(keyuse_array, i); + Json_writer_object keyuse_elem(thd); + keyuse_elem.add_table_name(keyuse->table->reginfo.join_tab); + keyuse_elem.add("field", (keyuse->keypart == FT_KEYPART) ? "<fulltext>" + : (keyuse->is_for_hash_join() + ? keyuse->table->field[keyuse->keypart] + ->field_name.str + : keyuse->table->key_info[keyuse->key] + .key_part[keyuse->keypart] + .field->field_name.str)); + keyuse_elem.add("equals",keyuse->val); + keyuse_elem.add("null_rejecting",keyuse->null_rejecting); + } +} |