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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "dataset.h"
#include <stdio.h>
#ifdef HAS_MYSQL
#include <mysql/mysql.h>
#elif defined(HAS_MARIADB)
#include <mariadb/mysql.h>
#endif
namespace dbiplus
{
/***************** Class MysqlDatabase definition ******************
class 'MysqlDatabase' connects with MySQL-server
******************************************************************/
class MysqlDatabase : public Database
{
protected:
/* connect descriptor */
MYSQL* conn;
bool _in_transaction;
int last_err;
public:
/* default constructor */
MysqlDatabase();
/* destructor */
~MysqlDatabase() override;
Dataset* CreateDataset() const override;
/* func. returns connection handle with MySQL-server */
MYSQL* getHandle() { return conn; }
/* func. returns current status about MySQL-server connection */
int status() override;
int setErr(int err_code, const char* qry) override;
/* func. returns error message if error occurs */
const char* getErrorMsg() override;
/* func. connects to database-server */
int connect(bool create) override;
/* func. disconnects from database-server */
void disconnect() override;
/* func. creates new database */
int create() override;
/* func. deletes database */
int drop() override;
/* check if database exists (ie has tables/views defined) */
bool exists() override;
/* \brief copy database */
int copy(const char* backup_name) override;
/* \brief drop all extra analytics from database */
int drop_analytics(void) override;
long nextid(const char* seq_name) override;
/* virtual methods for transaction */
void start_transaction() override;
void commit_transaction() override;
void rollback_transaction() override;
/* virtual methods for formatting */
std::string vprepare(const char* format, va_list args) override;
bool in_transaction() override { return _in_transaction; }
int query_with_reconnect(const char* query);
void configure_connection();
private:
typedef struct StrAccum StrAccum;
char et_getdigit(double* val, int* cnt);
void appendSpace(StrAccum* pAccum, int N);
void mysqlVXPrintf(StrAccum* pAccum, int useExtended, const char* fmt, va_list ap);
bool mysqlStrAccumAppend(StrAccum* p, const char* z, int N);
char* mysqlStrAccumFinish(StrAccum* p);
void mysqlStrAccumReset(StrAccum* p);
void mysqlStrAccumInit(StrAccum* p, char* zBase, int n, int mx);
std::string mysql_vmprintf(const char* zFormat, va_list ap);
};
/***************** Class MysqlDataset definition *******************
class 'MysqlDataset' does a query to MySQL-server
******************************************************************/
class MysqlDataset : public Dataset
{
protected:
MYSQL* handle();
/* Makes direct queries to database */
virtual void make_query(StringList& _sql);
/* Makes direct inserts into database */
void make_insert() override;
/* Edit SQL */
void make_edit() override;
/* Delete SQL */
void make_deletion() override;
/* This function works only with MySQL database
Filling the fields information from select statement */
void fill_fields() override;
/* Changing field values during dataset navigation */
virtual void free_row(); // free the memory allocated for the current row
public:
/* constructor */
MysqlDataset();
explicit MysqlDataset(MysqlDatabase* newDb);
/* destructor */
~MysqlDataset() override;
/* set autorefresh boolean value (if true - refresh the data after edit()
or insert() operations default = false) */
void set_autorefresh(bool val);
/* opens a query & then sets a query results */
void open() override;
void open(const std::string& sql) override;
/* func. executes a query without results to return */
int exec() override;
int exec(const std::string& sql) override;
const void* getExecRes() override;
/* as open, but with our query exec Sql */
bool query(const std::string& query) override;
/* func. closes a query */
void close(void) override;
/* Cancel changes, made in insert or edit states of dataset */
void cancel() override;
/* last insert id */
int64_t lastinsertid() override;
/* sequence numbers */
long nextid(const char* seq_name) override;
/* sequence numbers */
int num_rows() override;
/* interrupt any pending database operation */
void interrupt() override;
bool bof() override;
bool eof() override;
void first() override;
void last() override;
void prev() override;
void next() override;
/* Go to record No (starting with 0) */
bool seek(int pos = 0) override;
bool dropIndex(const char* table, const char* index) override;
};
} // namespace dbiplus
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