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improve delete performance for clickhouse
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| package common | ||
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| type Set[T comparable] struct { | ||
| elements map[T]struct{} | ||
| } | ||
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| // NewSet creates a new set | ||
| func NewSet[T comparable]() *Set[T] { | ||
| return &Set[T]{ | ||
| elements: make(map[T]struct{}), | ||
| } | ||
| } | ||
|
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| // Add inserts an element into the set | ||
| func (s *Set[T]) Add(value T) { | ||
| s.elements[value] = struct{}{} | ||
| } | ||
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| // Remove deletes an element from the set | ||
| func (s *Set[T]) Remove(value T) { | ||
| delete(s.elements, value) | ||
| } | ||
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| // Contains checks if an element is in the set | ||
| func (s *Set[T]) Contains(value T) bool { | ||
| _, found := s.elements[value] | ||
| return found | ||
| } | ||
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| // Size returns the number of elements in the set | ||
| func (s *Set[T]) Size() int { | ||
| return len(s.elements) | ||
| } | ||
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| // List returns all elements in the set as a slice | ||
| func (s *Set[T]) List() []T { | ||
| keys := make([]T, 0, len(s.elements)) | ||
| for key := range s.elements { | ||
| keys = append(keys, key) | ||
| } | ||
| return keys | ||
| } |
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