#include <my_global.h>
#include <mysql.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define STRING_SIZE 50

#define DROP_SAMPLE_TABLE "DROP TABLE IF EXISTS test_table"
#define CREATE_SAMPLE_TABLE "CREATE TABLE test_table(col1 INT,\
                                                 col2 VARCHAR(40),\
                                                 col3 SMALLINT,\
                                                 col4 TIMESTAMP)"
#define INSERT_SAMPLE "INSERT INTO test_table(col1,col2,col3) VALUES(?,?,?)"


static char *opt_host_name = "localhost"; /* server host (default=localhost) */
static char *opt_user_name = "test"; /* username (default=login name) */
static char *opt_password = ""; /* password (default=none) */
static unsigned int opt_port_num = 0; /* port number (use built-in value) */
static char *opt_socket_name = NULL; /* socket name (use built-in value) */
static char *opt_db_name = "test"; /* database name (default=none) */
static unsigned int opt_flags = 0; /* connection flags (none) */
static MYSQL *conn; /* pointer to connection handler */

void print_error(MYSQL *conn, char *);

int main() {
MYSQL_STMT    *stmt;
MYSQL_BIND    bind[3];
my_ulonglong  affected_rows;
int           param_count;
short         small_data;
int           int_data;
char          str_data[STRING_SIZE];
unsigned long str_length;
my_bool       is_null;


        conn = mysql_init (NULL);
        if (conn == NULL)
        {
                fprintf (stderr, "mysql_init() failed (probably out of memory)\n");
                exit (1);
        }
        /* connect to server */
        if (mysql_real_connect (conn, opt_host_name, opt_user_name, opt_password, opt_db_name, opt_port_num, opt_socket_name, opt_flags) == NULL)
        {
                //fprintf (stderr, "mysql_real_connect() failed:\nError %u (%s)\n",mysql_errno (conn), mysql_error (conn));
                print_error(conn, "mysql_real_connect() failed");
                mysql_close (conn);
                exit (1);
        }


if(mysql_query(conn, DROP_SAMPLE_TABLE))
{
  fprintf(stderr, " DROP TABLE failed\n");
  fprintf(stderr, " %s\n", mysql_error(conn));
  exit(0);
}

if (mysql_query(conn, CREATE_SAMPLE_TABLE))
{
  fprintf(stderr, " CREATE TABLE failed\n");
  fprintf(stderr, " %s\n", mysql_error(conn));
  exit(0);
}

/* Prepare an INSERT query with 3 parameters */
/* (the TIMESTAMP column is not named; it will */
/* be set to the current date and time) */
//stmt = (MYSQL_STMT *)mysql_prepare(conn, INSERT_SAMPLE, strlen(INSERT_SAMPLE));
stmt = mysql_prepare(conn, INSERT_SAMPLE, strlen(INSERT_SAMPLE));
//stmt = mysql_stmt_prepare(conn, INSERT_SAMPLE, strlen(INSERT_SAMPLE));
if (!stmt)
{
  fprintf(stderr, " mysql_prepare(), INSERT failed\n");
  fprintf(stderr, " %s\n", mysql_error(conn));
  exit(0);
}
fprintf(stdout, " prepare, INSERT successful\n");

/* Get the parameter count from the statement */
param_count= mysql_param_count(stmt);
fprintf(stdout, " total parameters in INSERT: %d\n", param_count);

if (param_count != 3) /* validate parameter count */
{
  fprintf(stderr, " invalid parameter count returned by MySQL\n");
  exit(0);
}

/* Bind the data for all 3 parameters */

/* INTEGER PARAM */
/* This is a number type, so there is no need to specify buffer_length */
bind[0].buffer_type= MYSQL_TYPE_LONG;
bind[0].buffer= (char *)&int_data;
bind[0].is_null= 0;
bind[0].length= 0;

/* STRING PARAM */
bind[1].buffer_type= MYSQL_TYPE_VAR_STRING;
bind[1].buffer= (char *)str_data;
bind[1].buffer_length= STRING_SIZE;
bind[1].is_null= 0;
bind[1].length= &str_length;
 
/* SMALLINT PARAM */
bind[2].buffer_type= MYSQL_TYPE_SHORT;
bind[2].buffer= (char *)&small_data;       
bind[2].is_null= &is_null;
bind[2].length= 0;

/* Bind the buffers */
if (mysql_bind_param(stmt, bind))
{
  fprintf(stderr, " mysql_bind_param() failed\n");
  fprintf(stderr, " %s\n", mysql_stmt_error(stmt));
  exit(0);
}

/* Specify the data values for the first row */
int_data= 10;             /* integer */
strncpy(str_data, "MySQL", STRING_SIZE); /* string  */
str_length= strlen(str_data);

/* INSERT SMALLINT data as NULL */
is_null= 1;

/* Execute the INSERT statement - 1*/
if (mysql_execute(stmt))
{
  fprintf(stderr, " mysql_execute(), 1 failed\n");
  fprintf(stderr, " %s\n", mysql_stmt_error(stmt));
  exit(0);
}
  
/* Get the total number of affected rows */   
affected_rows= mysql_stmt_affected_rows(stmt);
fprintf(stdout, " total affected rows(insert 1): %ld\n", affected_rows);

if (affected_rows != 1) /* validate affected rows */
{
  fprintf(stderr, " invalid affected rows by MySQL\n");
  exit(0);
}

/* Specify data values for second row, then re-execute the statement */
int_data= 1000;             
strncpy(str_data, "The most popular open source database", STRING_SIZE); 
str_length= strlen(str_data);
small_data= 1000;         /* smallint */
is_null= 0;               /* reset */

/* Execute the INSERT statement - 2*/
if (mysql_execute(stmt))
{
  fprintf(stderr, " mysql_execute, 2 failed\n");
  fprintf(stderr, " %s\n", mysql_stmt_error(stmt));
  exit(0);
}
  
/* Get the total rows affected */   
affected_rows= mysql_stmt_affected_rows(stmt);
fprintf(stdout, " total affected rows(insert 2): %ld\n", affected_rows);

if (affected_rows != 1) /* validate affected rows */
{
  fprintf(stderr, " invalid affected rows by MySQL\n");
  exit(0);
}

/* Close the statement */
if (mysql_stmt_close(stmt))
{
  fprintf(stderr, " failed while closing the statement\n");
  fprintf(stderr, " %s\n", mysql_stmt_error(stmt));
  exit(0);
}
        mysql_close (conn);
        exit (0);


}


void print_error(MYSQL *conn, char *message)
{
        fprintf (stderr, "%s\n", message);
        if (conn != NULL)
        {
                fprintf (stderr, "Error %u (%s)\n", mysql_errno (conn), mysql_error (conn));
        }
}