56bea440a7
If method doesn't want to share schema ownership it doesn't have to take it by shared pointer. The benefit is that it's slightly cheaper and those methods may now be called from places which don't own schema.
84 lines
3.2 KiB
C++
84 lines
3.2 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 2015 Cloudius Systems
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*
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* Modified by Cloudius Systems
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*/
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#include "delete_statement.hh"
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namespace cql3 {
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namespace statements {
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void delete_statement::add_update_for_key(mutation& m, const exploded_clustering_prefix& prefix, const update_parameters& params) {
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if (_column_operations.empty()) {
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m.partition().apply_delete(*s, prefix, params.make_tombstone());
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return;
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}
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if (prefix.size() < s->clustering_key_size()) {
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// In general, we can't delete specific columns if not all clustering columns have been specified.
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// However, if we delete only static columns, it's fine since we won't really use the prefix anyway.
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for (auto&& deletion : _column_operations) {
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if (!deletion->column.is_static()) {
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throw exceptions::invalid_request_exception(sprint(
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"Primary key column '%s' must be specified in order to delete column '%s'",
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get_first_empty_key()->name_as_text(), deletion->column.name_as_text()));
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}
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}
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}
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for (auto&& op : _column_operations) {
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op->execute(m, prefix, params);
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}
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}
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::shared_ptr<modification_statement>
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delete_statement::parsed::prepare_internal(database& db, schema_ptr schema, ::shared_ptr<variable_specifications> bound_names,
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std::unique_ptr<attributes> attrs) {
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auto stmt = ::make_shared<delete_statement>(statement_type::DELETE, bound_names->size(), schema, std::move(attrs));
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for (auto&& deletion : _deletions) {
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auto&& id = deletion->affected_column()->prepare_column_identifier(schema);
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auto def = get_column_definition(schema, *id);
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if (!def) {
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throw exceptions::invalid_request_exception(sprint("Unknown identifier %s", *id));
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}
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// For compact, we only have one value except the key, so the only form of DELETE that make sense is without a column
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// list. However, we support having the value name for coherence with the static/sparse case
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if (def->is_primary_key()) {
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throw exceptions::invalid_request_exception(sprint("Invalid identifier %s for deletion (should not be a PRIMARY KEY part)", def->name_as_text()));
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}
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auto&& op = deletion->prepare(db, schema->ks_name(), *def);
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op->collect_marker_specification(bound_names);
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stmt->add_operation(op);
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}
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stmt->process_where_clause(db, _where_clause, std::move(bound_names));
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return stmt;
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}
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}
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}
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