Files
scylladb/idl/read_command.idl.hh
Botond Dénes d1d53f1b84 query: add tombstone-limit to read-command
Propagate the tombstone-limit from coordinator to replicas, to make sure
all is using the same limit.
2022-08-10 06:01:47 +03:00

65 lines
2.0 KiB
C++

/*
* Copyright 2016-present ScyllaDB
*/
/*
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#include "query-request.hh"
#include "idl/keys.idl.hh"
#include "idl/range.idl.hh"
#include "idl/uuid.idl.hh"
class cql_serialization_format final {
uint8_t protocol_version();
};
namespace query {
class specific_ranges {
partition_key pk();
std::vector<nonwrapping_range<clustering_key_prefix>> ranges();
};
// COMPATIBILITY NOTE: the partition-slice for reverse queries has two different
// format:
// * legacy format
// * native format
// The wire format uses the legacy format. See docs/dev/reverse-reads.md
// for more details on the formats.
class partition_slice {
std::vector<nonwrapping_range<clustering_key_prefix>> default_row_ranges();
utils::small_vector<uint32_t, 8> static_columns;
utils::small_vector<uint32_t, 8> regular_columns;
query::partition_slice::option_set options;
std::unique_ptr<query::specific_ranges> get_specific_ranges();
cql_serialization_format cql_format();
uint32_t partition_row_limit_low_bits() [[version 1.3]] = std::numeric_limits<uint32_t>::max();
uint32_t partition_row_limit_high_bits() [[version 4.3]] = 0;
};
struct max_result_size {
uint64_t soft_limit;
uint64_t hard_limit;
uint64_t page_size [[version 4.7]] = 0;
}
class read_command {
table_id cf_id;
table_schema_version schema_version;
query::partition_slice slice;
uint32_t row_limit_low_bits;
std::chrono::time_point<gc_clock, gc_clock::duration> timestamp;
std::optional<tracing::trace_info> trace_info [[version 1.3]];
uint32_t partition_limit [[version 1.3]] = std::numeric_limits<uint32_t>::max();
query_id query_uuid [[version 2.2]] = query_id::create_null_id();
query::is_first_page is_first_page [[version 2.2]] = query::is_first_page::no;
std::optional<query::max_result_size> max_result_size [[version 4.3]] = std::nullopt;
uint32_t row_limit_high_bits [[version 4.3]] = 0;
uint64_t tombstone_limit [[version 5.2]] = query::max_tombstones;
};
}