706f20442b
When doing potentially large (internal) queries, i.e. alternator streams, we can cause large allocations here.
39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
namespace query {
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class qr_cell stub [[writable]] {
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std::optional<api::timestamp_type> timestamp; // present when send_timestamp option set in partition_slice
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std::optional<gc_clock::time_point> expiry; // present when send_expiry option set in partition_slice
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// Specified by CQL binary protocol, according to cql_serialization_format in read_command.
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bytes value;
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std::optional<gc_clock::duration> ttl [[version 1.3]]; // present when send_ttl option set in partition_slice
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};
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class qr_row stub [[writable]] {
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std::vector<std::optional<qr_cell>> cells; // ordered as requested in partition_slice
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};
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class qr_clustered_row stub [[writable]] {
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std::optional<clustering_key> key; // present when send_clustering_key option set in partition_slice
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qr_row cells; // ordered as requested in partition_slice
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};
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class qr_partition stub [[writable]] {
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std::optional<partition_key> key; // present when send_partition_key option set in partition_slice
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qr_row static_row;
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utils::chunked_vector<qr_clustered_row> rows; // ordered by key
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};
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class query_result stub [[writable]] {
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utils::chunked_vector<qr_partition> partitions; // in ring order
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};
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enum class digest_algorithm : uint8_t {
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none = 0, // digest not required
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MD5 = 1,
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xxHash = 2,// default algorithm
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};
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}
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