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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_DLL SQL_Database
{
public:
class BOTAN_DLL SQL_DB_Error : public Exception
{
public:
explicit SQL_DB_Error(const std::string& what) : Exception("SQL database", what) {}
};
class BOTAN_DLL 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<byte>& blob) = 0;
/* Get output */
virtual std::pair<const byte*, size_t> get_blob(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() {}
};
/*
* 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() {}
};
}
#endif
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