查询语句

SELECT 以逗号分隔的需要选中的字段
FROM 数据源或视图
WHERE 过滤条件
其他子查询

SELECT s1.time_, s1.client_ip, s1.uri, s1.protocol_version, s2.status_code, s2.date_
FROM KafkaSource1 AS s1, KafkaSource2 AS s2
WHERE s1.time_ = s2.time_ AND s1.client_ip = s2.client_ip;

SELECT SUM(amount)
FROM Orders
WHERE price > 10
GROUP BY users
HAVING SUM(amount) > 50

SELECT user, SUM(amount)
FROM Orders
GROUP BY TUMBLE(rowtime, INTERVAL '1' DAY), user

SELECT a, SUM(b) as d
FROM Orders
GROUP BY a

ltime = rtime
ltime >= rtime AND ltime < rtime + INTERVAL '10' MINUTE
ltime BETWEEN rtime - INTERVAL '10' SECOND AND rtime + INTERVAL '5' SECOND

SELECT *
FROM Orders o, Shipments s
WHERE o.id = s.orderId AND
o.ordertime BETWEEN s.shiptime - INTERVAL '4' HOUR AND s.shiptime

SELECT *
FROM Orders INNER JOIN Product ON Orders.productId = Product.id

SELECT *
FROM Orders LEFT JOIN Product ON Orders.productId = Product.id

SELECT *
FROM Orders RIGHT JOIN Product ON Orders.productId = Product.id

SELECT *
FROM Orders FULL OUTER JOIN Product ON Orders.productId = Product.id

SELECT
  o.amout, o.currency, r.rate, o.amount * r.rate
FROM
  Orders AS o
  JOIN LatestRates FOR SYSTEM_TIME AS OF o.proctime AS r
  ON r.currency = o.currency

SELECT users, tag
FROM Orders, LATERAL TABLE(unnest_udtf(tags)) t AS tag

SELECT users, tag
FROM Orders LEFT JOIN LATERAL TABLE(unnest_udtf(tags)) t AS tag ON TRUE

SELECT users, tag
FROM Orders CROSS JOIN UNNEST(tags) AS t (tag)

SELECT *
FROM (
    (SELECT user FROM Orders WHERE a % 2 = 0)
  UNION ALL
    (SELECT user FROM Orders WHERE b = 0)
)

SELECT SUM(amount) OVER (
  PARTITION BY user
  ORDER BY proctime
  ROWS BETWEEN 2 PRECEDING AND CURRENT ROW)
FROM Orders

SELECT COUNT(amount) OVER w, SUM(amount) OVER w
FROM Orders 
WINDOW w AS (
  PARTITION BY user
  ORDER BY proctime
  ROWS BETWEEN 2 PRECEDING AND CURRENT ROW)  

SELECT *
FROM Orders
ORDER BY `orderTime`, `username` DESC, `userId` ASC 

SELECT DISTINCT users FROM Orders

SELECT user, amount
FROM Orders
WHERE product IN (
    SELECT product FROM NewProducts
)

SELECT user, amount
FROM Orders
WHERE product EXISTS (
    SELECT product FROM NewProducts
)

SELECT *
FROM Orders
ORDER BY orderTime

SELECT SUM(amount)
FROM Orders
GROUP BY GROUPING SETS ((user), (product))

SELECT T.aid, T.bid, T.cid
FROM MyTable
MATCH_RECOGNIZE (
  PARTITION BY userid
  ORDER BY proctime
  MEASURES
    A.id AS aid,
    B.id AS bid,
    C.id AS cid
  PATTERN (A B C)
  DEFINE
    A AS name = 'a',
    B AS name = 'b',
    C AS name = 'c'
) AS T