PostgreSQL偏移量特定列

Question

How to select after ArticleId specific offset as start

e.g start from 28 get 28, 27, 26

offset = 28;
limit = 3;

var query = 'SELECT * FROM "Article" ORDER BY "PublishDate" DESC LIMIT $2 OFFSET $1';

ArticleId | PublishDate

25 | "2015-08-19 15:33:37"
26 | "2015-08-19 17:05:42"
27 | "2015-08-19 17:06:05"
28 | "2015-08-19 17:06:22"
29 | "2015-07-19 17:06:46"
30 | "2015-08-19 17:08:11"

Answer 1

Since it is a value of ArticleId you can do this in where clause Try this

SELECT * 
FROM Article 
where ArticleId >= 28 and ArticleId <= 28 + 3

or If ArticleId is not consecutive

SELECT * 
FROM Article 
where ArticleId >= 28 
Order by ArticleId Limit 3 

Answer 2

“偏移”只是您应该在WHERE子句中限制的ArticleId：

var query = 'SELECT * FROM "Article" WHERE ArticleId >= $1 ORDER BY "PublishDate" DESC LIMIT $2';