8ba1bad80d
The methodology used to generate this CL is documented in https://crbug.com/1098010#c34. No-Try: true No-Presubmit: true Bug: 1098010 Change-Id: If6a3370b0b2849d889ce797596fe1ccbad2f3fe6 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3891619 Auto-Submit: Avi Drissman <avi@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Avi Drissman <avi@chromium.org> Owners-Override: Avi Drissman <avi@chromium.org> Cr-Commit-Position: refs/heads/main@{#1046502}
22 lines
751 B
C++
22 lines
751 B
C++
// Copyright 2022 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef COMPONENTS_DATABASE_UTILS_UPPER_BOUND_STRING_H_
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#define COMPONENTS_DATABASE_UTILS_UPPER_BOUND_STRING_H_
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#include <string>
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namespace database_utils {
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// Returns a string with the following property:
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// Condition (str >= prefix AND str < UpperBoundString(prefix))
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// is satisfied for all strs that start with prefix and only for them.
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// This can be used for optimization purposes to avoid using the LIKE operator.
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// prefix must be a UTF-8 string.
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std::string UpperBoundString(const std::string& prefix);
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} // namespace database_utils
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#endif // COMPONENTS_DATABASE_UTILS_UPPER_BOUND_STRING_H_
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