database.hpp

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#pragma once
 
/// @file userver/storages/postgres/database.hpp
/// @brief @copybrief storages::postgres::Database
 
#include <vector>
 
#include <userver/storages/postgres/database_fwd.hpp>
#include <userver/storages/postgres/options.hpp>
#include <userver/storages/postgres/postgres_fwd.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace components {
 
class Postgres;
 
}  // namespace components
 
namespace storages::postgres {
 
/// Object for accessing PostgreSQL database instance (sharded or not)
class Database {
 public:
  /// Cluster accessor for default shard number
  ClusterPtr GetCluster() const;
 
  /// Cluster accessor for specific shard number
  ClusterPtr GetClusterForShard(size_t shard) const;
 
  /// Get total shard count
  size_t GetShardCount() const { return clusters_.size(); }
 
 private:
  friend class components::Postgres;
  std::vector<storages::postgres::ClusterPtr> clusters_;
};
 
}  // namespace storages::postgres
 
USERVER_NAMESPACE_END