51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/*
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* Copyright (C) 2023-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 "query-request.hh"
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#include "query-result.hh"
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#include "query-result-writer.hh"
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namespace replica {
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struct query_state {
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explicit query_state(schema_ptr s,
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const query::read_command& cmd,
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query::result_options opts,
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const dht::partition_range_vector& ranges,
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query::result_memory_accounter memory_accounter)
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: schema(std::move(s))
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, cmd(cmd)
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, builder(cmd.slice, opts, std::move(memory_accounter), cmd.tombstone_limit)
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, limit(cmd.get_row_limit())
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, partition_limit(cmd.partition_limit)
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, current_partition_range(ranges.begin())
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, range_end(ranges.end()){
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}
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schema_ptr schema;
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const query::read_command& cmd;
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query::result::builder builder;
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uint64_t limit;
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uint32_t partition_limit;
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bool range_empty = false; // Avoid ubsan false-positive when moving after construction
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dht::partition_range_vector::const_iterator current_partition_range;
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dht::partition_range_vector::const_iterator range_end;
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uint64_t remaining_rows() const {
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return limit - builder.row_count();
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}
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uint32_t remaining_partitions() const {
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return partition_limit - builder.partition_count();
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}
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bool done() const {
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return !remaining_rows() || !remaining_partitions() || current_partition_range == range_end || builder.is_short_read();
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}
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};
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} // namespace replica
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