lcrp-samp/gamemodes/modules/database.inc

#include <YSI_Coding\y_hooks>

static MySQL:s_MySQLHandle;

forward OnMySQLConnected();
forward OnMySQLPreClose();

#if defined LOCALHOST
    #define MYSQL_HOST      "localhost"
    #define MYSQL_USER      "root"
    #define MYSQL_PASS      ""
    #define MYSQL_DATA      "gtastories"
#else
    #define MYSQL_HOST      "217.146.86.250"
    #define MYSQL_USER      "db54987"
    #define MYSQL_PASS      "EWH8vTI3cg"
    #define MYSQL_DATA      "db54987"
#endif

hook OnGameModeInit()
{
    print("MySQL database setting up...");

    new MySQLOpt: optionid = mysql_init_options();
	mysql_set_option(optionid, AUTO_RECONNECT, true);
    s_MySQLHandle = mysql_connect(MYSQL_HOST, MYSQL_USER, MYSQL_PASS, MYSQL_DATA);

    if(s_MySQLHandle == MYSQL_INVALID_HANDLE || mysql_errno(s_MySQLHandle) != 0) print("MySQL failed to connect. Server shutting down...");
    else CallRemoteFunction("OnMySQLConnected", "");
    return 1;
}

hook OnGameModeExit()
{
    print("Pre-Closing the database...");
    CallRemoteFunction("OnMySQLPreClose", "");

    mysql_close(s_MySQLHandle);
    return 1;
}

public OnMySQLConnected()
{
    print("MySQL connection is successful.");
    return 1;
}

public OnMySQLPreClose()
{
    print("MySQL connection has been closed.");
    return 1;
}

public OnQueryError(errorid, const error[], const callback[], const query[], MySQL:handle)
{
	switch(errorid)
    {
		case 1136: printf("[MySQL] Error 1136 | Column count does not match value count => \"%s\"", query);
		case 1054: printf("[MySQL] Error 1054 | Invalid field name => \"%s\"", query);
		case 1065: printf("[MySQL] Error 1065 | Query was empty (variable's size too small?) => \"%s\" from \"%s\"", query, callback);
		case 1058: printf("[MySQL] Error 1058 | Column count doesn't match value count => \"%s\" from \"%s\"", query, callback);
		case 1203: printf("[MySQL] Error 1203 | User already has more than 'max_user_connections' active connections => \"%s\" from \"%s\"", query, callback);
		case 1045: printf("[MySQL] Error 1045 | Access denied");
		case ER_SYNTAX_ERROR: printf("[MySQL] Syntax Error => \"%s\"", query);
		default: printf("[MySQL] Error %d | Callback: %s | \"%s\"", errorid, callback, query);
	}
	return 1;
}

stock MySQL:MySQL_GetHandle()
{
    return s_MySQLHandle;
}