blob: 827dc403d58121e8052d7ecea09f03c4f48fad93 (
plain)
1
2
3
4
5
6
7
8
9
10
|
--source include/not_embedded.inc
--source include/have_ucs2.inc
create or replace table t1 (col1 char(10) character set ucs2, filler char(100), key(col1)) ;
insert into t1 values ('a', 'a');
insert into t1 values ('a', 'a');
set optimizer_trace=1;
explain format=json select * from t1 force index(col1) where col1 >='a';
select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
drop table t1;
|
