f3eade2f62
Drop the AGPL license in favor of a source-available license. See the blog post [1] for details. [1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
/*
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* Copyright (C) 2020-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
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*/
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#pragma once
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#include <seastar/core/future.hh>
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#include "seastarx.hh"
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namespace cql3 {
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namespace statements {
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// In certain SELECT statements, such as statements with
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// aggregates or GROUP BYs, internal paging is done with
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// different paging size than specified in query options.
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//
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// set_internal_paging_size allows to override the default
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// paging_size of this type of paging.
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future<> set_internal_paging_size(int internal_paging_size);
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// reset_internal_paging_size sets internal_paging_size
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// to default value, which was set on startup - before
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// any calls to set_internal_paging_size.
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future<> reset_internal_paging_size();
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// Wrapper around set_internal_paging_size to set it
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// to desired value on construction and reset it to
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// the default value on destruction. Should only be
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// used inside Seastar thread.
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struct set_internal_paging_size_guard {
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set_internal_paging_size_guard(int internal_paging_size) {
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set_internal_paging_size(internal_paging_size).get();
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}
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~set_internal_paging_size_guard() {
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reset_internal_paging_size().get();
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}
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};
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}
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}
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