MySQL query optimization. Added loading component.

This commit is contained in:
Mike Cao 2020-08-27 23:45:37 -07:00
parent a7e7469d22
commit ccb98f836f
13 changed files with 158 additions and 109 deletions

View file

@ -3,7 +3,6 @@ drop table if exists pageview;
drop table if exists session;
drop table if exists website;
drop table if exists account;
drop function if exists date_trunc;
create table account (
user_id int unsigned not null auto_increment primary key,
@ -72,37 +71,10 @@ create index pageview_created_at_idx on pageview(created_at);
create index pageview_website_id_idx on pageview(website_id);
create index pageview_session_id_idx on pageview(session_id);
create index pageview_website_id_created_at_idx on pageview(website_id, created_at);
create index pageview_website_id_session_id_created_at_idx on pageview(website_id, session_id, created_at);
create index event_created_at_idx on event(created_at);
create index event_website_id_idx on event(website_id);
create index event_session_id_idx on event(session_id);
delimiter $$
create function date_trunc(
in_granularity enum('minute', 'hour', 'day', 'month', 'year'),
in_datetime datetime(6)
)
returns datetime(6)
deterministic
begin
if (in_granularity = 'minute') then
return DATE_FORMAT(in_datetime, '%Y-%m-%d %H:%i:00.0000');
end if;
if (in_granularity = 'hour') then
return DATE_FORMAT(in_datetime, '%Y-%m-%d %H:00:00.0000');
end if;
if (in_granularity = 'day') then
return DATE_FORMAT(in_datetime, '%Y-%m-%d 00:00:00.0000');
end if;
if (in_granularity = 'month') then
return DATE_FORMAT(in_datetime, '%Y-%m-01 00:00:00.0000');
end if;
if (in_granularity = 'year') then
return DATE_FORMAT(in_datetime, '%Y-01-01 00:00:00.0000');
end if;
end;
$$
insert into account (username, password, is_admin) values ('admin', '$2b$10$BUli0c.muyCW1ErNJc3jL.vFRFtFJWrT8/GcR4A.sUdCznaXiqFXa', true);

View file

@ -65,6 +65,7 @@ create index pageview_created_at_idx on pageview(created_at);
create index pageview_website_id_idx on pageview(website_id);
create index pageview_session_id_idx on pageview(session_id);
create index pageview_website_id_created_at_idx on pageview(website_id, created_at);
create index pageview_website_id_session_id_created_at_idx on pageview(website_id, session_id, created_at);
create index event_created_at_idx on event(created_at);
create index event_website_id_idx on event(website_id);