Files
scylladb/cql3/maps.cc
Avi Kivity f3eade2f62 treewide: relicense to ScyllaDB-Source-Available-1.0
Drop the AGPL license in favor of a source-available license.
See the blog post [1] for details.

[1] https://www.scylladb.com/2024/12/18/why-were-moving-to-a-source-available-license/
2024-12-18 17:45:13 +02:00

112 lines
4.1 KiB
C++

/*
* Copyright (C) 2015-present ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* SPDX-License-Identifier: (LicenseRef-ScyllaDB-Source-Available-1.0 and Apache-2.0)
*/
#include "utils/assert.hh"
#include "maps.hh"
#include "operation.hh"
#include "update_parameters.hh"
#include "exceptions/exceptions.hh"
#include "cql3/expr/evaluate.hh"
#include "cql3/expr/expr-utils.hh"
#include "mutation/mutation.hh"
#include "types/map.hh"
namespace cql3 {
void
maps::setter::execute(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params) {
cql3::raw_value value = expr::evaluate(*_e, params._options);
execute(m, row_key, params, column, value);
}
void
maps::setter::execute(mutation& m, const clustering_key_prefix& row_key, const update_parameters& params, const column_definition& column, const cql3::raw_value& value) {
if (column.type->is_multi_cell()) {
// Delete all cells first, then put new ones
collection_mutation_description mut;
mut.tomb = params.make_tombstone_just_before();
m.set_cell(row_key, column, mut.serialize(*column.type));
}
do_put(m, row_key, params, value, column);
}
void
maps::setter_by_key::fill_prepare_context(prepare_context& ctx) {
operation::fill_prepare_context(ctx);
expr::fill_prepare_context(_k, ctx);
}
void
maps::setter_by_key::execute(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params) {
using exceptions::invalid_request_exception;
SCYLLA_ASSERT(column.type->is_multi_cell()); // "Attempted to set a value for a single key on a frozen map"m
auto key = expr::evaluate(_k, params._options);
auto value = expr::evaluate(*_e, params._options);
if (key.is_null()) {
throw invalid_request_exception("Invalid null map key");
}
auto ctype = static_cast<const map_type_impl*>(column.type.get());
auto avalue = !value.is_null() ?
params.make_cell(*ctype->get_values_type(), value.view(), atomic_cell::collection_member::yes)
: params.make_dead_cell();
collection_mutation_description update;
update.cells.emplace_back(std::move(key).to_bytes(), std::move(avalue));
m.set_cell(prefix, column, update.serialize(*ctype));
}
void
maps::putter::execute(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params) {
SCYLLA_ASSERT(column.type->is_multi_cell()); // "Attempted to add items to a frozen map";
cql3::raw_value value = expr::evaluate(*_e, params._options);
do_put(m, prefix, params, value, column);
}
void
maps::do_put(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params,
const cql3::raw_value& map_value, const column_definition& column) {
if (column.type->is_multi_cell()) {
if (map_value.is_null()) {
return;
}
collection_mutation_description mut;
auto ctype = static_cast<const map_type_impl*>(column.type.get());
for (auto&& e : expr::get_map_elements(map_value)) {
mut.cells.emplace_back(to_bytes(e.first), params.make_cell(*ctype->get_values_type(), raw_value_view::make_value(e.second), atomic_cell::collection_member::yes));
}
m.set_cell(prefix, column, mut.serialize(*ctype));
} else {
// for frozen maps, we're overwriting the whole cell
if (map_value.is_null()) {
m.set_cell(prefix, column, params.make_dead_cell());
} else {
m.set_cell(prefix, column, params.make_cell(*column.type, map_value.view()));
}
}
}
void
maps::discarder_by_key::execute(mutation& m, const clustering_key_prefix& prefix, const update_parameters& params) {
SCYLLA_ASSERT(column.type->is_multi_cell()); // "Attempted to delete a single key in a frozen map";
cql3::raw_value key = expr::evaluate(*_e, params._options);
if (key.is_null()) {
throw exceptions::invalid_request_exception("Invalid null map key");
}
collection_mutation_description mut;
mut.cells.emplace_back(std::move(key).to_bytes(), params.make_dead_cell());
m.set_cell(prefix, column, mut.serialize(*column.type));
}
}