"SELECT count() FROM $test_table WHERE AdvEngineID != 0;"
"SELECT sum(AdvEngineID), count(), avg(ResolutionWidth) FROM $test_table;"
"SELECT sum(UserID) FROM $test_table;"
"SELECT uniq(UserID) FROM $test_table;"
"SELECT uniq(SearchPhrase) FROM $test_table;"
"SELECT min(EventDate), max(EventDate) FROM $test_table;"
"SELECT AdvEngineID, count() FROM $test_table WHERE AdvEngineID != 0 GROUP BY AdvEngineID ORDER BY count() DESC;"
"#- мощная фильтрация. После фильтрации почти ничего не остаётся, но делаем ещё агрегацию.;"
"SELECT RegionID, uniq(UserID) AS u FROM $test_table GROUP BY RegionID ORDER BY u DESC LIMIT 10;"
"#- агрегация, среднее количество ключей.;"
"SELECT RegionID, sum(AdvEngineID), count() AS c, avg(ResolutionWidth), uniq(UserID) FROM $test_table GROUP BY RegionID ORDER BY c DESC LIMIT 10;"
"#- агрегация, среднее количество ключей, несколько агрегатных функций.;"
"SELECT MobilePhoneModel, uniq(UserID) AS u FROM $test_table WHERE MobilePhoneModel != '' GROUP BY MobilePhoneModel ORDER BY u DESC LIMIT 10;"
"#- мощная фильтрация по строкам, затем агрегация по строкам.;"
"SELECT MobilePhone, MobilePhoneModel, uniq(UserID) AS u FROM $test_table WHERE MobilePhoneModel != '' GROUP BY MobilePhone, MobilePhoneModel ORDER BY u DESC LIMIT 10;"
"#- мощная фильтрация по строкам, затем агрегация по паре из числа и строки.;"
"SELECT SearchPhrase, count() AS c FROM $test_table WHERE SearchPhrase != '' GROUP BY SearchPhrase ORDER BY c DESC LIMIT 10;"
"#- средняя фильтрация по строкам, затем агрегация по строкам, большое количество ключей.;"
"SELECT SearchPhrase, uniq(UserID) AS u FROM $test_table WHERE SearchPhrase != '' GROUP BY SearchPhrase ORDER BY u DESC LIMIT 10;"
"#- агрегация чуть сложнее.;"
"SELECT SearchEngineID, SearchPhrase, count() AS c FROM $test_table WHERE SearchPhrase != '' GROUP BY SearchEngineID, SearchPhrase ORDER BY c DESC LIMIT 10;"
"#- агрегация по числу и строке, большое количество ключей.;"
"SELECT UserID, count() FROM $test_table GROUP BY UserID ORDER BY count() DESC LIMIT 10;"
"#- агрегация по очень большому количеству ключей, может не хватить оперативки.;"
"SELECT UserID, SearchPhrase, count() FROM $test_table GROUP BY UserID, SearchPhrase ORDER BY count() DESC LIMIT 10;"
"#- ещё более сложная агрегация.;"
"SELECT UserID, SearchPhrase, count() FROM $test_table GROUP BY UserID, SearchPhrase LIMIT 10;"
"#- то же самое, но без сортировки.;"
"SELECT UserID, toMinute(EventTime) AS m, SearchPhrase, count() FROM $test_table GROUP BY UserID, m, SearchPhrase ORDER BY count() DESC LIMIT 10;"
"#- ещё более сложная агрегация, не стоит выполнять на больших таблицах.;"
"SELECT UserID FROM $test_table WHERE UserID = 12345678901234567890;"
"#- мощная фильтрация по столбцу типа UInt64.;"
"SELECT count() FROM $test_table WHERE URL LIKE '%metrika%';"
"#- фильтрация по поиску подстроки в строке.;"
"SELECT SearchPhrase, any(URL), count() AS c FROM $test_table WHERE URL LIKE '%metrika%' AND SearchPhrase != '' GROUP BY SearchPhrase ORDER BY c DESC LIMIT 10;"
"#- вынимаем большие столбцы, фильтрация по строке.;"
"SELECT SearchPhrase, any(URL), any(Title), count() AS c, uniq(UserID) FROM $test_table WHERE Title LIKE '%Яндекс%' AND URL NOT LIKE '%.yandex.%' AND SearchPhrase != '' GROUP BY SearchPhrase ORDER BY c DESC LIMIT 10;"
"#- чуть больше столбцы.;"
"SELECT * FROM $test_table WHERE URL LIKE '%metrika%' ORDER BY EventTime LIMIT 10;"
"#- плохой запрос - вынимаем все столбцы.;"
"SELECT SearchPhrase FROM $test_table WHERE SearchPhrase != '' ORDER BY EventTime LIMIT 10;"
"#- большая сортировка.;"
"SELECT SearchPhrase FROM $test_table WHERE SearchPhrase != '' ORDER BY SearchPhrase LIMIT 10;"
"#- большая сортировка по строкам.;"
"SELECT SearchPhrase FROM $test_table WHERE SearchPhrase != '' ORDER BY EventTime, SearchPhrase LIMIT 10;"
"#- большая сортировка по кортежу.;"
"SELECT CounterID, avg(length(URL)) AS l, count() AS c FROM $test_table WHERE URL != '' GROUP BY CounterID HAVING c > 100000 ORDER BY l DESC LIMIT 25;"
"#- считаем средние длины URL для крупных счётчиков.;"
"SELECT domainWithoutWWW(Referer) AS key, avg(length(Referer)) AS l, count() AS c, any(Referer) FROM $test_table WHERE Referer != '' GROUP BY key HAVING c > 100000 ORDER BY l DESC LIMIT 25;"
"SELECT SearchEngineID, ClientIP, count() AS c, sum(Refresh), avg(ResolutionWidth) FROM $test_table WHERE SearchPhrase != '' GROUP BY SearchEngineID, ClientIP ORDER BY c DESC LIMIT 10;"
"#- сложная агрегация, для больших таблиц может не хватить оперативки.;"
"SELECT WatchID, ClientIP, count() AS c, sum(Refresh), avg(ResolutionWidth) FROM $test_table WHERE SearchPhrase != '' GROUP BY WatchID, ClientIP ORDER BY c DESC LIMIT 10;"
"#- агрегация по двум полям, которая ничего не агрегирует. Для больших таблиц выполнить не получится.;"
"SELECT WatchID, ClientIP, count() AS c, sum(Refresh), avg(ResolutionWidth) FROM $test_table GROUP BY WatchID, ClientIP ORDER BY c DESC LIMIT 10;"
"#- то же самое, но ещё и без фильтрации.;"
"SELECT URL, count() AS c FROM $test_table GROUP BY URL ORDER BY c DESC LIMIT 10;"
"#- агрегация по URL.;"
"SELECT 1, URL, count() AS c FROM $test_table GROUP BY 1, URL ORDER BY c DESC LIMIT 10;"
"#- агрегация по URL и числу.;"
"SELECT ClientIP AS x, x - 1, x - 2, x - 3, count() AS c FROM $test_table GROUP BY x, x - 1, x - 2, x - 3 ORDER BY c DESC LIMIT 10;"
"SELECT
URL,
count() AS PageViews
FROM $test_table
WHERE
CounterID=$counter_id
AND EventDate >= toDate($start_date)
AND EventDate <= toDate($stop_date)
AND NOT DontCountHits
AND NOT Refresh
AND notEmpty(URL)
GROUP BY URL
ORDER BY PageViews DESC
LIMIT 10;"
"SELECT
Title,
count() AS PageViews
FROM $test_table
WHERE
CounterID=$counter_id
AND EventDate >= toDate($start_date)
AND EventDate <= toDate($stop_date)
AND NOT DontCountHits
AND NOT Refresh
AND notEmpty(Title)
GROUP BY Title
ORDER BY PageViews DESC
LIMIT 10;"
"SELECT
URL,
count() AS PageViews
FROM $test_table
WHERE
CounterID=$counter_id
AND EventDate >= toDate($start_date)
AND EventDate <= toDate($stop_date)
AND NOT Refresh
AND IsLink
AND NOT IsDownload
GROUP BY URL
ORDER BY PageViews DESC
LIMIT 1000;"
"SELECT
TraficSourceID,
SearchEngineID,
AdvEngineID,
((SearchEngineID=0 AND AdvEngineID= 0) ? Referer : '') AS Src,
