810eb93ff0
For tests. Will be used for testing how the data reader reacts to various combinations of inexact index lookup results.
83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
/*
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* Copyright (C) 2021-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 "readers/mutation_reader_fwd.hh"
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#include "readers/mutation_reader.hh"
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#include "sstables/progress_monitor.hh"
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#include "sstables/types_fwd.hh"
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#include "sstables/index_reader.hh"
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namespace sstables {
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namespace mx {
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// Precondition: if the slice is reversed, the schema must be reversed as well
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// and the range must be singular (`range.is_singular()`).
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// Fast-forwarding is not supported in reversed queries (FIXME).
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mutation_reader make_reader(
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shared_sstable sstable,
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schema_ptr schema,
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reader_permit permit,
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const dht::partition_range& range,
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const query::partition_slice& slice,
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tracing::trace_state_ptr trace_state,
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streamed_mutation::forwarding fwd,
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mutation_reader::forwarding fwd_mr,
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read_monitor& monitor,
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integrity_check integrity);
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// Same as above but the slice is moved and stored inside the reader.
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mutation_reader make_reader(
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shared_sstable sstable,
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schema_ptr schema,
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reader_permit permit,
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const dht::partition_range& range,
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query::partition_slice&& slice,
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tracing::trace_state_ptr trace_state,
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streamed_mutation::forwarding fwd,
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mutation_reader::forwarding fwd_mr,
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read_monitor& monitor,
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integrity_check integrity);
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mutation_reader make_reader_with_index_reader(
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shared_sstable sstable,
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schema_ptr schema,
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reader_permit permit,
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const dht::partition_range& range,
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const query::partition_slice& slice,
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tracing::trace_state_ptr trace_state,
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streamed_mutation::forwarding fwd,
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mutation_reader::forwarding fwd_mr,
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read_monitor& monitor,
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integrity_check integrity,
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std::unique_ptr<abstract_index_reader>);
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// A reader which doesn't use the index at all. It reads everything from the
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// sstable and it doesn't support skipping.
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mutation_reader make_full_scan_reader(
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shared_sstable sstable,
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schema_ptr schema,
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reader_permit permit,
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tracing::trace_state_ptr trace_state,
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read_monitor& monitor,
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integrity_check integrity);
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// Validate the content of the sstable with the mutation_fragment_stream_valdiator,
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// additionally cross checking that the content is laid out as expected by the
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// index and promoted index respectively.
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future<uint64_t> validate(
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shared_sstable sstable,
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reader_permit permit,
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abort_source& abort,
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std::function<void(sstring)> error_handler,
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sstables::read_monitor& monitor);
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} // namespace mx
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} // namespace sstables
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