> Make sure to check documentation https://clickhouse.com/docs/en/ first. If the question is concise and probably has a short answer, asking it in Telegram chat https://telegram.me/clickhouse_en is probably the fastest way to find the answer. For more complicated questions, consider asking them on StackOverflow with "clickhouse" tag https://stackoverflow.com/questions/tagged/clickhouse 

> If you still prefer GitHub issues, remove all this text and ask your question here.

sql【1】:  
`select count()
from (
         SELECT event_dt
         FROM (select event_dt, 403 AS event_id
               from (
                        select event_dt
                        from tba as tba
                        where event_id = 9
                          and ((tba.event_dt >= 20220822 and tba.event_dt <= 20220822))
                        )) tba
         WHERE tba.event_dt >= 20220822
           and tba.event_dt <= 20220822
         );`

sql【2】:
`select count()
from (
         SELECT event_dt
         FROM (select event_dt, 403 AS event_id
               from (
                        select event_dt
                        from tba as tba
                        where event_id = 9
                          and ((tba.event_dt >= 20220822 and tba.event_dt <= 20220822))
                        )) tba
         WHERE tba.event_dt >= 20220822
           and tba.event_dt <= 20220822
           and event_id = 403
         );`

why sql【2】result less data
column_constraints[element.key_column] = Constraint::RANGE;
            }
            continue;
        }
        if (element.function == RPNElement::Function::FUNCTION_UNKNOWN)
        {
            continue;
        }
        return false;
    }
    auto min_constraint = column_constraints[0];
    if (min_constraint > Constraint::RANGE)
    {
        return false;
    }
    for (size_t i = 1; i < key_columns.size(); ++i)
    {
        if (column_constraints[i] < min_constraint)
        {
            return false;
        }
        if (column_constraints[i] == Constraint::RANGE && min_constraint == Constraint::RANGE)
        {
            return false;
        }
        min_constraint = column_constraints[i];
    }
    return true;
}
BoolMask KeyCondition::checkInHyperrectangle(