Chr*_*isB 38 mysql sql sqlite sql-order-by
我有一个类别表:
ID Category
"1","Baking"
"3","Family"
"4","Entertaining"
"5","Children"
"6","Desserts"
Run Code Online (Sandbox Code Playgroud)
现在我想订购select语句的结果
ID Category
"4","Entertaining"
"3","Family"
"1","Baking"
"5","Children"
"6","Desserts"
Run Code Online (Sandbox Code Playgroud)
例如.在MySQL中,你会这样做:
SELECT * FROM CATEGORIES ORDER BY FIELD (ID, 4,3,1,5,6);
Run Code Online (Sandbox Code Playgroud)
你会怎么在SQLite中做到这一点?我没有"order by"字段.
Tom*_*lak 69
ORDER BY
CASE ID
WHEN 4 THEN 0
WHEN 3 THEN 1
WHEN 1 THEN 2
WHEN 5 THEN 3
WHEN 6 THEN 4
END
Run Code Online (Sandbox Code Playgroud)
第二种方法(第一种CASE WHEN ... THEN END方法已在其他答案中说明)是:
ORDER BY ID=4 DESC,
ID=3 DESC,
ID=1 DESC,
ID=5 DESC,
ID=6 DESC
Run Code Online (Sandbox Code Playgroud)