YugabyteDB (2.13.0.0-b42, bfc6a6643e7399ac8a0e81d06a3ee6d6571b33ab)

// Copyright (c) YugaByte, Inc.

//

// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except

// in compliance with the License.  You may obtain a copy of the License at

//

// http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software distributed under the License

// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express

// or implied.  See the License for the specific language governing permissions and limitations

// under the License.

//

#ifndef YB_CLIENT_TABLE_CREATOR_H

#define YB_CLIENT_TABLE_CREATOR_H

#include <boost/optional/optional.hpp>

#include "yb/client/client_fwd.h"

#include "yb/client/yb_table_name.h"

#include "yb/common/common_fwd.h"

#include "yb/gutil/macros.h"

#include "yb/master/master_fwd.h"

#include "yb/util/monotime.h"

namespace yb {

struct TransactionMetadata;

namespace client {

// Creates a new table with the desired options.

class YBTableCreator {

 public:

  ~YBTableCreator();

  // Sets the name to give the table. It is copied. Required.

  YBTableCreator& table_name(const YBTableName& name);

  // Sets the type of the table.

  YBTableCreator& table_type(YBTableType table_type);

  // Sets the name of the role creating this table.

  YBTableCreator& creator_role_name(const RoleName& creator_role_name);

  // For Postgres: sets table id to assign, and whether the table is a sys catalog / shared table.

  YBTableCreator& table_id(const std::string& table_id);

  YBTableCreator& is_pg_catalog_table();

  YBTableCreator& is_pg_shared_table();

  // Sets the partition hash schema.

  YBTableCreator& hash_schema(YBHashSchema hash_schema);

  // Number of tablets that should be used for this table. If tablet_count is not given, YBClient

  // will calculate this value (num_shards_per_tserver * num_of_tservers).

  YBTableCreator& num_tablets(int32_t count);

  // Whether this table should be colocated. Will be ignored by catalog manager if the database is

  // not colocated.

  YBTableCreator& colocated(const bool colocated);

  // Tablegroup ID - will be ignored by catalog manager if the table is not in a tablegroup.

  YBTableCreator& tablegroup_id(const std::string& tablegroup_id);

  // Tablespace ID.

  YBTableCreator& tablespace_id(const std::string& tablespace_id);

  YBTableCreator& matview_pg_table_id(const std::string& matview_pg_table_id);

  // Sets the schema with which to create the table. Must remain valid for

  // the lifetime of the builder. Required.

  YBTableCreator& schema(const YBSchema* schema);

  // The creation of this table is dependent upon the success of this higher-level transaction.

  YBTableCreator& part_of_transaction(const TransactionMetadata* txn);

  // Adds a partitions to the table.

  YBTableCreator& add_partition(const Partition& partition);

  // Adds a set of hash partitions to the table.

  //

  // For each set of hash partitions added to the table, the total number of

  // table partitions is multiplied by the number of buckets. For example, if a

  // table is created with 3 split rows, and two hash partitions with 4 and 5

  // buckets respectively, the total number of table partitions will be 80

  // (4 range partitions * 4 hash buckets * 5 hash buckets).

  YBTableCreator& add_hash_partitions(const std::vector<std::string>& columns,

                                        int32_t num_buckets);

  // Adds a set of hash partitions to the table.

  //

  // This constructor takes a seed value, which can be used to randomize the

  // mapping of rows to hash buckets. Setting the seed may provide some

  // amount of protection against denial of service attacks when the hashed

  // columns contain user provided values.

  YBTableCreator& add_hash_partitions(const std::vector<std::string>& columns,

                                        int32_t num_buckets, int32_t seed);

  // Sets the columns on which the table will be range-partitioned.

  //

  // Every column must be a part of the table's primary key. If not set, the

  // table will be created with the primary-key columns as the range-partition

  // columns. If called with an empty vector, the table will be created without

  // range partitioning.

  //

  // Optional.

  YBTableCreator& set_range_partition_columns(

      const std::vector<std::string>& columns,

      const std::vector<std::string>& split_rows = {});

  // For index table: sets the indexed table id of this index.

  YBTableCreator& indexed_table_id(const std::string& id);

  // For index table: uses the old style request without index_info.

  YBTableCreator& TEST_use_old_style_create_request();

  // For index table: sets whether this is a local index.

  YBTableCreator& is_local_index(bool is_local_index);

  // For index table: sets whether this is a unique index.

  YBTableCreator& is_unique_index(bool is_unique_index);

  // For index table: should backfill be deferred for batching.

  YBTableCreator& is_backfill_deferred(bool is_backfill_deferred);

  // For index table: sets whether to do online schema migration when creating index.

  YBTableCreator& skip_index_backfill(const bool skip_index_backfill);

  // For index table: indicates whether this index has mangled column name.

  // - Older index supports only ColumnRef, and its name is identical with colum name.

  // - Newer index supports expressions including ColumnRef, and its name is a mangled name of

  //   the expression. For example, ColumnRef name = "$C_" + escape_column_name.

  YBTableCreator& use_mangled_column_name(bool value);

  // Return index_info for caller to fill index information.

  IndexInfoPB* mutable_index_info() {

    return index_info_.get();

  }

  // Set the timeout for the operation. This includes any waiting

  // after the create has been submitted (i.e if the create is slow

  // to be performed for a large table, it may time out and then

  // later be successful).

  YBTableCreator& timeout(const MonoDelta& timeout);

  // Wait for the table to be fully created before returning.

  // Optional.

  //

  // If not provided, defaults to true.

  YBTableCreator& wait(bool wait);

  YBTableCreator& replication_info(const master::ReplicationInfoPB& ri);

  // Creates the table.

  //

  // The return value may indicate an error in the create table operation,

  // or a misuse of the builder; in the latter case, only the last error is

  // returned.

  CHECKED_STATUS Create();

  Result<int> NumTabletsForUserTable();

 private:

  friend class YBClient;

  explicit YBTableCreator(YBClient* client);

  YBClient* const client_;

  YBTableName table_name_; // Required.

  TableType table_type_ = TableType::DEFAULT_TABLE_TYPE;

  RoleName creator_role_name_;

  // For Postgres: table id to assign, and whether the table is a sys catalog / shared table.

  // For all tables, table_id_ will contain the table id assigned after creation.

  std::string table_id_;

  boost::optional<bool> is_pg_catalog_table_;

  boost::optional<bool> is_pg_shared_table_;

  int32_t num_tablets_ = 0;

  const YBSchema* schema_ = nullptr;

  std::unique_ptr<PartitionSchemaPB> partition_schema_;

  std::vector<Partition> partitions_;

  int num_replicas_ = 0;

  std::unique_ptr<master::ReplicationInfoPB> replication_info_;

  // When creating index, proxy server construct index_info_, and master server will write it to

  // the data-table being indexed.

  std::unique_ptr<IndexInfoPB> index_info_;

  bool skip_index_backfill_ = false;

  bool TEST_use_old_style_create_request_ = false;

  MonoDelta timeout_;

  bool wait_ = true;

  bool colocated_ = true;

  const TransactionMetadata * txn_ = nullptr;

  // The tablegroup id to assign (if a table is in a tablegroup).

  std::string tablegroup_id_;

  // The id of the tablespace to which this table is to be associated with.

  std::string tablespace_id_;

  std::string matview_pg_table_id_;

  DISALLOW_COPY_AND_ASSIGN(YBTableCreator);

};

} // namespace client

} // namespace yb

#endif // YB_CLIENT_TABLE_CREATOR_H