Files
scylladb/cql3/expr/evaluate.hh
Kefu Chai 2dbf044b91 cql3: do not include unused headers
these unused includes were identified by clangd. see
https://clangd.llvm.org/guides/include-cleaner#unused-include-warning
for more details on the "Unused include" warning.

Signed-off-by: Kefu Chai <kefu.chai@scylladb.com>

Closes scylladb/scylladb#16791
2024-01-16 16:43:17 +02:00

40 lines
1.2 KiB
C++

// Copyright (C) 2023-present ScyllaDB
// SPDX-License-Identifier: AGPL-3.0-or-later
#pragma once
#include "expression.hh"
#include "bytes.hh"
namespace cql3 {
class query_options;
class raw_value;
}
namespace cql3::expr {
// Input data needed to evaluate an expression. Individual members can be
// null if not applicable (e.g. evaluating outside a row context)
struct evaluation_inputs {
std::span<const bytes> partition_key;
std::span<const bytes> clustering_key;
std::span<const managed_bytes_opt> static_and_regular_columns; // indexes match `selection` member
const cql3::selection::selection* selection = nullptr;
const query_options* options = nullptr;
std::span<const api::timestamp_type> static_and_regular_timestamps; // indexes match `selection` member
std::span<const int32_t> static_and_regular_ttls; // indexes match `selection` member
std::span<const cql3::raw_value> temporaries; // indexes match temporary::index
};
// Takes a prepared expression and calculates its value.
// Evaluates bound values, calls functions and returns just the bytes and type.
cql3::raw_value evaluate(const expression& e, const evaluation_inputs&);
cql3::raw_value evaluate(const expression& e, const query_options&);
}