d941d38759
Working with the low-level sstable parser and index reader, this validator also cross-checks the index with the data file, making sure all partitions are located at the position and in the order the index describes. Furthermore, if the index also has promoted index, the order and position of clustering elements is checked against it. This is above the usual fragment kind order, partition key order and clustering order checks that we already had with the reader-level validator.
71 lines
2.3 KiB
C++
71 lines
2.3 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: AGPL-3.0-or-later
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*/
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#pragma once
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#include "readers/flat_mutation_reader_fwd.hh"
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#include "readers/flat_mutation_reader_v2.hh"
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#include "sstables/progress_monitor.hh"
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#include <seastar/core/io_priority_class.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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// Reversed slices must be provided in the 'half-reversed' format (the order of ranges
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// being reversed, but the ranges themselves are not).
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// Fast-forwarding is not supported in reversed queries (FIXME).
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flat_mutation_reader_v2 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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const io_priority_class& pc,
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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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// Same as above but the slice is moved and stored inside the reader.
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flat_mutation_reader_v2 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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const io_priority_class& pc,
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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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// 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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flat_mutation_reader_v2 make_crawling_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 io_priority_class& pc,
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tracing::trace_state_ptr trace_state,
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read_monitor& monitor);
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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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const io_priority_class& pc,
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abort_source& abort,
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std::function<void(sstring)> error_handler);
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} // namespace mx
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} // namespace sstables
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