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https://github.com/go-gitea/gitea
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09df5c9c7d
backport #29990 This PR uses `db.ListOptions` instead of `Paginor` to make the code simpler. And it also fixed the performance problem when viewing /pulls or /issues. Before the counting in fact will also do the search. Co-authored-by: Jason Song <i@wolfogre.com> Co-authored-by: silverwind <me@silverwind.io>
35 lines
929 B
Go
35 lines
929 B
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package internal
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import (
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"math"
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"code.gitea.io/gitea/models/db"
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)
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// ParsePaginator parses a db.Paginator into a skip and limit
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func ParsePaginator(paginator *db.ListOptions, max ...int) (int, int) {
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// Use a very large number to indicate no limit
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unlimited := math.MaxInt32
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if len(max) > 0 {
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// Some indexer engines have a limit on the page size, respect that
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unlimited = max[0]
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}
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if paginator == nil || paginator.IsListAll() {
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// It shouldn't happen. In actual usage scenarios, there should not be requests to search all.
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// But if it does happen, respect it and return "unlimited".
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// And it's also useful for testing.
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return 0, unlimited
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}
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if paginator.PageSize == 0 {
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// Do not return any results when searching, it's used to get the total count only.
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return 0, 0
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}
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return paginator.GetSkipTake()
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}
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