RedPanda-CPP/windows/templates/mysql_c.txt

/*
	A demo for mysql client, from https://zetcode.com/db/mysqlc/
*/
#include <mysql/mysql.h>
#include <stdio.h>
#include <stdlib.h>

void finish_with_error(MYSQL *con)
{
	fprintf(stderr, "%s\n", mysql_error(con));
	mysql_close(con);
	exit(1);
}

int main(int argc, char **argv)
{
	MYSQL *con = mysql_init(NULL);
	
	if (con == NULL)
	{
		fprintf(stderr, "%s\n", mysql_error(con));
		exit(1);
	}
	
	if (mysql_real_connect(con, "localhost", "root", "",
		"testdb", 0, NULL, 0) == NULL)
	{
		finish_with_error(con);
	}
	
	//Create table
	if (mysql_query(con, "DROP TABLE IF EXISTS cars")) {
		finish_with_error(con);
	}
	
	if (mysql_query(con, "CREATE TABLE cars(id INT PRIMARY KEY AUTO_INCREMENT, name VARCHAR(255), price INT)")) {
		finish_with_error(con);
	}
	
	// insert datas
	if (mysql_query(con, "INSERT INTO cars VALUES(1,'Audi',52642)")) {
		finish_with_error(con);
	}
	
	if (mysql_query(con, "INSERT INTO cars VALUES(2,'Mercedes',57127)")) {
		finish_with_error(con);
	}
	
	if (mysql_query(con, "INSERT INTO cars VALUES(3,'Skoda',9000)")) {
		finish_with_error(con);
	}
	
	if (mysql_query(con, "INSERT INTO cars VALUES(4,'Volvo',29000)")) {
		finish_with_error(con);
	}
	
	if (mysql_query(con, "INSERT INTO cars VALUES(5,'Bentley',350000)")) {
		finish_with_error(con);
	}
	
	if (mysql_query(con, "INSERT INTO cars VALUES(6,'Citroen',21000)")) {
		finish_with_error(con);
	}
	
	if (mysql_query(con, "INSERT INTO cars VALUES(7,'Hummer',41400)")) {
		finish_with_error(con);
	}
	
	if (mysql_query(con, "INSERT INTO cars VALUES(8,'Volkswagen',21600)")) {
		finish_with_error(con);
	}
	
	//query datas
	if (mysql_query(con, "SELECT * FROM cars"))
	{
		finish_with_error(con);
	}
	
	MYSQL_RES *result = mysql_store_result(con);
	
	if (result == NULL)
	{
		finish_with_error(con);
	}
	
	int num_fields = mysql_num_fields(result);
	
	MYSQL_ROW row;
	
	while ((row = mysql_fetch_row(result)))
	{
		for(int i = 0; i < num_fields; i++)
		{
			printf("%s ", row[i] ? row[i] : "NULL");
		}
		
		printf("\n");
	}
	
	mysql_free_result(result);
	mysql_close(con);
	exit(0);
}