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117 lines
4.0 KiB
C++
117 lines
4.0 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright (C) 2015-present ScyllaDB
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*
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* Modified by ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "cql3/prepare_context.hh"
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#include "cql3/column_identifier.hh"
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#include "cql3/column_specification.hh"
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#include "cql3/functions/function_call.hh"
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namespace cql3 {
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size_t prepare_context::bound_variables_size() const {
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return _variable_names.size();
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}
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const std::vector<lw_shared_ptr<column_specification>>& prepare_context::get_variable_specifications() const & {
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return _specs;
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}
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std::vector<lw_shared_ptr<column_specification>> prepare_context::get_variable_specifications() && {
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return std::move(_specs);
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}
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std::vector<uint16_t> prepare_context::get_partition_key_bind_indexes(const schema& schema) const {
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auto count = schema.partition_key_columns().size();
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std::vector<uint16_t> partition_key_positions(count, uint16_t(0));
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std::vector<bool> set(count, false);
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for (size_t i = 0; i < _target_columns.size(); i++) {
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auto& target_column = _target_columns[i];
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const auto* cdef = target_column ? schema.get_column_definition(target_column->name->name()) : nullptr;
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if (cdef && cdef->is_partition_key()) {
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partition_key_positions[cdef->position()] = i;
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set[cdef->position()] = true;
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}
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}
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for (bool b : set) {
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if (!b) {
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return {};
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}
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}
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return partition_key_positions;
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}
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void prepare_context::add_variable_specification(int32_t bind_index, lw_shared_ptr<column_specification> spec) {
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_target_columns[bind_index] = spec;
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auto name = _variable_names[bind_index];
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// Use the user name, if there is one
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if (name) {
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spec = make_lw_shared<column_specification>(spec->ks_name, spec->cf_name, name, spec->type);
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}
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_specs[bind_index] = spec;
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}
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void prepare_context::set_bound_variables(const std::vector<shared_ptr<column_identifier>>& prepare_meta) {
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_variable_names = prepare_meta;
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_specs.clear();
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_target_columns.clear();
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const size_t bn_size = prepare_meta.size();
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_specs.resize(bn_size);
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_target_columns.resize(bn_size);
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}
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prepare_context::function_calls_t& prepare_context::pk_function_calls() {
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return _pk_fn_calls;
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}
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void prepare_context::add_pk_function_call(::shared_ptr<cql3::functions::function_call> fn) {
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constexpr auto fn_limit = std::numeric_limits<uint8_t>::max();
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if (_pk_fn_calls.size() == fn_limit) {
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throw exceptions::invalid_request_exception(
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format("Too many function calls within one statement. Max supported number is {}", fn_limit));
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}
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fn->set_id(_pk_fn_calls.size());
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_pk_fn_calls.emplace_back(std::move(fn));
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}
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}
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