Files
scylladb/cql3/prepare_context.cc
Avi Kivity fcb8d040e8 treewide: use Software Package Data Exchange (SPDX) license identifiers
Instead of lengthy blurbs, switch to single-line, machine-readable
standardized (https://spdx.dev) license identifiers. The Linux kernel
switched long ago, so there is strong precedent.

Three cases are handled: AGPL-only, Apache-only, and dual licensed.
For the latter case, I chose (AGPL-3.0-or-later and Apache-2.0),
reasoning that our changes are extensive enough to apply our license.

The changes we applied mechanically with a script, except to
licenses/README.md.

Closes #9937
2022-01-18 12:15:18 +01:00

93 lines
2.8 KiB
C++

/*
*/
/*
* Copyright (C) 2015-present ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* SPDX-License-Identifier: (AGPL-3.0-or-later and Apache-2.0)
*/
#include "cql3/prepare_context.hh"
#include "cql3/column_identifier.hh"
#include "cql3/column_specification.hh"
namespace cql3 {
size_t prepare_context::bound_variables_size() const {
return _variable_names.size();
}
const std::vector<lw_shared_ptr<column_specification>>& prepare_context::get_variable_specifications() const & {
return _specs;
}
std::vector<lw_shared_ptr<column_specification>> prepare_context::get_variable_specifications() && {
return std::move(_specs);
}
std::vector<uint16_t> prepare_context::get_partition_key_bind_indexes(const schema& schema) const {
auto count = schema.partition_key_columns().size();
std::vector<uint16_t> partition_key_positions(count, uint16_t(0));
std::vector<bool> set(count, false);
for (size_t i = 0; i < _target_columns.size(); i++) {
auto& target_column = _target_columns[i];
const auto* cdef = target_column ? schema.get_column_definition(target_column->name->name()) : nullptr;
if (cdef && cdef->is_partition_key()) {
partition_key_positions[cdef->position()] = i;
set[cdef->position()] = true;
}
}
for (bool b : set) {
if (!b) {
return {};
}
}
return partition_key_positions;
}
void prepare_context::add_variable_specification(int32_t bind_index, lw_shared_ptr<column_specification> spec) {
_target_columns[bind_index] = spec;
auto name = _variable_names[bind_index];
// Use the user name, if there is one
if (name) {
spec = make_lw_shared<column_specification>(spec->ks_name, spec->cf_name, name, spec->type);
}
_specs[bind_index] = spec;
}
void prepare_context::set_bound_variables(const std::vector<shared_ptr<column_identifier>>& prepare_meta) {
_variable_names = prepare_meta;
_specs.clear();
_target_columns.clear();
const size_t bn_size = prepare_meta.size();
_specs.resize(bn_size);
_target_columns.resize(bn_size);
}
void prepare_context::clear_pk_function_calls_cache() {
for (::shared_ptr<std::optional<uint8_t>>& cache_id : _pk_function_calls_cache_ids) {
if (cache_id.get() != nullptr) {
*cache_id = std::nullopt;
}
}
}
void prepare_context::add_pk_function_call(expr::function_call& fn) {
constexpr auto fn_limit = std::numeric_limits<uint8_t>::max();
if (_pk_function_calls_cache_ids.size() == fn_limit) {
throw exceptions::invalid_request_exception(
format("Too many function calls within one statement. Max supported number is {}", fn_limit));
}
fn.lwt_cache_id = ::make_shared<std::optional<uint8_t>>(_pk_function_calls_cache_ids.size());
_pk_function_calls_cache_ids.emplace_back(fn.lwt_cache_id);
}
}