select folder_name -- varchar
from ags_secured_endpoint_definition;
返回:
Utilities
Utilities
UtilityServices
*** ROOT ***
Midstream
EP
EP
EP
EP
EP
EP
Midstream
Culture
Culture
Culture
Culture
Culture
Culture
CustomUtilities
Basin
Basin
EP
EP
EP
对不起,我得到了意外的结果(“ *根* ”):
select folder_name
from ags_secured_endpoint_definition
ORDER BY folder_name;
返回:
Basin
Basin
Culture
Culture
Culture
Culture
Culture
Culture
CustomUtilities
EP
EP
EP
EP
EP
EP
EP
EP
EP
Midstream
Midstream
*** ROOT ***
Utilities
Utilities
UtilityServices
答案 0 :(得分:2)
这取决于您的排序规则,可以通过
看到SHOW lc_collate;
很显然,排序时排序规则会忽略空格和星号,因此*** ROOT ***
的排序方式类似于ROOT
。
如果您不喜欢这样的排序规则,则可以选择其他排序规则,例如二进制:
SELECT folder_name
FROM ags_secured_endpoint_definition
ORDER BY folder_name COLLATE "C";