86d913954a
Persist column family's "is_dense" value to system tables. Please note that we throw an exception if "is_dense" is null upon read. That needs to be fixed later by inferring the value from other information like Origin does. Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>
139 lines
4.8 KiB
C++
139 lines
4.8 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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#pragma once
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#include "cql3/statements/schema_altering_statement.hh"
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#include "cql3/statements/cf_prop_defs.hh"
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#include "cql3/statements/cf_statement.hh"
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#include "cql3/cql3_type.hh"
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#include "service/migration_manager.hh"
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#include "schema.hh"
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#include "core/shared_ptr.hh"
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#include <unordered_map>
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#include <utility>
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#include <vector>
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#include <set>
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namespace cql3 {
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namespace statements {
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/** A <code>CREATE TABLE</code> parsed from a CQL query statement. */
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class create_table_statement : public schema_altering_statement {
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#if 0
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private AbstractType<?> defaultValidator;
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#endif
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std::vector<data_type> _partition_key_types;
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std::vector<data_type> _clustering_key_types;
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std::vector<bytes> _key_aliases;
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std::vector<bytes> _column_aliases;
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#if 0
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private ByteBuffer valueAlias;
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#endif
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bool _is_dense;
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using column_map_type =
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std::unordered_map<::shared_ptr<column_identifier>,
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data_type,
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shared_ptr_value_hash<column_identifier>,
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shared_ptr_equal_by_value<column_identifier>>;
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using column_set_type =
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std::unordered_set<::shared_ptr<column_identifier>,
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shared_ptr_value_hash<column_identifier>,
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shared_ptr_equal_by_value<column_identifier>>;
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column_map_type _columns;
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column_set_type _static_columns;
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const ::shared_ptr<cf_prop_defs> _properties;
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const bool _if_not_exists;
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public:
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create_table_statement(::shared_ptr<cf_name> name,
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::shared_ptr<cf_prop_defs> properties,
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bool if_not_exists,
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column_set_type static_columns);
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virtual void check_access(const service::client_state& state) override;
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virtual void validate(distributed<service::storage_proxy>&, const service::client_state& state) override;
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virtual future<bool> announce_migration(distributed<service::storage_proxy>& proxy, bool is_local_only) override;
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virtual shared_ptr<transport::event::schema_change> change_event() override;
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schema_ptr get_cf_meta_data();
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class raw_statement;
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friend raw_statement;
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private:
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std::vector<column_definition> get_columns();
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void apply_properties_to(schema_builder& builder);
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void add_column_metadata_from_aliases(schema_builder& builder, std::vector<bytes> aliases, const std::vector<data_type>& types, column_kind kind);
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};
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class create_table_statement::raw_statement : public cf_statement {
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private:
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using defs_type = std::unordered_map<::shared_ptr<column_identifier>,
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::shared_ptr<cql3_type::raw>,
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shared_ptr_value_hash<column_identifier>,
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shared_ptr_equal_by_value<column_identifier>>;
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defs_type _definitions;
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public:
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const ::shared_ptr<cf_prop_defs> properties = ::make_shared<cf_prop_defs>();
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private:
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std::vector<std::vector<::shared_ptr<column_identifier>>> _key_aliases;
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std::vector<::shared_ptr<column_identifier>> _column_aliases;
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std::vector<std::pair<::shared_ptr<column_identifier>, bool>> defined_ordering; // Insertion ordering is important
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create_table_statement::column_set_type _static_columns;
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bool _use_compact_storage = false;
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std::multiset<::shared_ptr<column_identifier>> _defined_names;
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bool _if_not_exists;
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public:
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raw_statement(::shared_ptr<cf_name> name, bool if_not_exists);
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virtual ::shared_ptr<prepared> prepare(database& db) override;
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data_type get_type_and_remove(column_map_type& columns, ::shared_ptr<column_identifier> t);
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void add_definition(::shared_ptr<column_identifier> def, ::shared_ptr<cql3_type::raw> type, bool is_static);
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void add_key_aliases(const std::vector<::shared_ptr<column_identifier>> aliases);
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void add_column_alias(::shared_ptr<column_identifier> alias);
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void set_ordering(::shared_ptr<column_identifier> alias, bool reversed);
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void set_compact_storage();
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};
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}
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}
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