sortutil | Nested , case-insensitive , and reverse sorting for Go | Validation library
kandi X-RAY | sortutil Summary
kandi X-RAY | sortutil Summary
Sortutil is a Go library which lets you sort a slice without implementing a sort.Interface, and in different orderings: ascending, descending, or case-insensitive ascending or descending (for slices of strings.). Additionally, Sortutil lets you sort a slice of a custom struct by a given struct field or index—for example, you can sort a []MyStruct by the structs' "Name" fields, or a [][]int by the second index of each nested slice, similar to using sorted(key=operator.itemgetter/attrgetter) in Python.
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Top functions reviewed by kandi - BETA
- Sort implements the Sort interface .
- FieldByIndexGetter returns a Getter that gets a field by index .
- IndexGetter returns a Getter that gets the value at the given index .
- FieldGetter returns a Getter for a field .
- SimpleGetter returns a Getter .
- Reverse a slice
- New returns a new Sorter .
- ReverseInterface reverses a sort . Interface .
- valueSlice returns a slice of reflect . Value .
- SortReverseInterface sorts the provided Interface .
sortutil Key Features
sortutil Examples and Code Snippets
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Trending Discussions on sortutil
QUESTION
In JPQL I can use the following select u from Entity u order by u.field1, 1
.
This ensures that the back-end mysql database will always return the result in the exact same order (e.g. in case u.field1
has duplicates).
At position 1 I always keep the PK(id).
How can I achieve the same (use positional sorting) with querydsl
?
P.S. Sorting code is dynamically generated, so I want to avoid the requirement to provide the PK as an extra parameter to the SortUtil.
...ANSWER
Answered 2018-Mar-26 at 22:07From what I understand, your requirement is to order by a database column, then by a number you provide as an argument. I think this will work, I've passed 1L
into Expressions.constant
but obviously replace this with your dynamically generated field.
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