-- { echoOn }
select * from data_02021 prewhere 1 or ignore(key);
1
select * from data_02021 prewhere 1 or ignore(key) where key = 1;
1
select * from data_02021 prewhere 0 or ignore(key);
select * from data_02021 prewhere 0 or ignore(key) where key = 1;