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/*
* SQL database interface
* (C) 2014 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_SQL_DATABASE_H_
#define BOTAN_SQL_DATABASE_H_
#include <botan/types.h>
#include <botan/exceptn.h>
#include <string>
#include <chrono>
#include <vector>
namespace Botan {
class BOTAN_PUBLIC_API(2,0) SQL_Database
{
public:
class BOTAN_PUBLIC_API(2,0) SQL_DB_Error final : public Exception
{
public:
explicit SQL_DB_Error(const std::string& what) :
Exception("SQL database", what),
m_rc(0)
{}
SQL_DB_Error(const std::string& what, int rc) :
Exception("SQL database", what),
m_rc(rc)
{}
ErrorType error_type() const noexcept override { return Botan::ErrorType::DatabaseError; }
int error_code() const noexcept override { return m_rc; }
private:
int m_rc;
};
class BOTAN_PUBLIC_API(2,0) Statement
{
public:
/* Bind statement parameters */
virtual void bind(int column, const std::string& str) = 0;
virtual void bind(int column, size_t i) = 0;
virtual void bind(int column, std::chrono::system_clock::time_point time) = 0;
virtual void bind(int column, const std::vector<uint8_t>& blob) = 0;
virtual void bind(int column, const uint8_t* data, size_t len) = 0;
/* Get output */
virtual std::pair<const uint8_t*, size_t> get_blob(int column) = 0;
virtual std::string get_str(int column) = 0;
virtual size_t get_size_t(int column) = 0;
/* Run to completion */
virtual size_t spin() = 0;
/* Maybe update */
virtual bool step() = 0;
virtual ~Statement() = default;
};
/*
* Create a new statement for execution.
* Use ?1, ?2, ?3, etc for parameters to set later with bind
*/
virtual std::shared_ptr<Statement> new_statement(const std::string& base_sql) const = 0;
virtual size_t row_count(const std::string& table_name) = 0;
virtual void create_table(const std::string& table_schema) = 0;
virtual ~SQL_Database() = default;
};
}
#endif