Files
scylladb/cql3/sets.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

109 lines
3.8 KiB
C++

/*
* Copyright (C) 2015-present ScyllaDB
*/
/*
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#include "sets.hh"
#include "constants.hh"
#include "cql3_type.hh"
#include "types/map.hh"
#include "types/set.hh"
namespace cql3 {
void
sets::setter::execute(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params) {
expr::constant value = expr::evaluate(*_e, params._options);
execute(m, row_key, params, column, std::move(value));
}
void
sets::setter::execute(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params, const column_definition& column, const expr::constant& value) {
if (value.is_unset_value()) {
return;
}
if (column.type->is_multi_cell()) {
// Delete all cells first, then add new ones
collection_mutation_description mut;
mut.tomb = params.make_tombstone_just_before();
m.set_cell(row_key, column, mut.serialize(*column.type));
}
adder::do_add(m, row_key, params, value, column);
}
void
sets::adder::execute(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params) {
const expr::constant value = expr::evaluate(*_e, params._options);
if (value.is_unset_value()) {
return;
}
assert(column.type->is_multi_cell()); // "Attempted to add items to a frozen set";
do_add(m, row_key, params, value, column);
}
void
sets::adder::do_add(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params,
const expr::constant& value, const column_definition& column) {
auto& set_type = dynamic_cast<const set_type_impl&>(column.type->without_reversed());
if (column.type->is_multi_cell()) {
if (value.is_null()) {
return;
}
utils::chunked_vector<managed_bytes> set_elements = expr::get_set_elements(value);
if (set_elements.empty()) {
return;
}
// FIXME: collection_mutation_view_description? not compatible with params.make_cell().
collection_mutation_description mut;
for (auto&& e : set_elements) {
mut.cells.emplace_back(to_bytes(e), params.make_cell(*set_type.value_comparator(), bytes_view(), atomic_cell::collection_member::yes));
}
m.set_cell(row_key, column, mut.serialize(set_type));
} else if (!value.is_null()) {
// for frozen sets, we're overwriting the whole cell
m.set_cell(row_key, column, params.make_cell(*column.type, value.view()));
} else {
m.set_cell(row_key, column, params.make_dead_cell());
}
}
void
sets::discarder::execute(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params) {
assert(column.type->is_multi_cell()); // "Attempted to remove items from a frozen set";
expr::constant svalue = expr::evaluate(*_e, params._options);
if (svalue.is_null_or_unset()) {
return;
}
collection_mutation_description mut;
assert(svalue.type->is_set());
utils::chunked_vector<managed_bytes> set_elements = expr::get_set_elements(svalue);
mut.cells.reserve(set_elements.size());
for (auto&& e : set_elements) {
mut.cells.push_back({to_bytes(e), params.make_dead_cell()});
}
m.set_cell(row_key, column, mut.serialize(*column.type));
}
void sets::element_discarder::execute(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params)
{
assert(column.type->is_multi_cell() && "Attempted to remove items from a frozen set");
expr::constant elt = expr::evaluate(*_e, params._options);
if (elt.is_null()) {
throw exceptions::invalid_request_exception("Invalid null set element");
}
collection_mutation_description mut;
mut.cells.emplace_back(std::move(elt.value).to_bytes(), params.make_dead_cell());
m.set_cell(row_key, column, mut.serialize(*column.type));
}
}