#define STRING_SIZE 40
#define DROP_SAMPLE_TABLE "DROP TABLE IF EXISTS test_table"
#define CREATE_SAMPLE_TABLE "CREATE TABLE test_table(col1 INT, col2 INT)"
#define INSERT_SAMPLE "INSERT INTO test_table(col1,col2) VALUES(?,?)"
int main(){
MYSQL_STMT *stmt;
MYSQL_BIND bind[2];
my_ulonglong affected_rows;
int param_count;
/*short*/ int small_data;
int int_data=200;
char str_data[STRING_SIZE];
unsigned long str_length;
my_bool is_null;
MYSQL *mysql;
mysql = mysql_init(NULL);
mysql_real_connect(mysql, "localhost", "root", "123456", "testmm", 0, NULL, 0);
if (mysql_query(mysql, DROP_SAMPLE_TABLE))
{
fprintf(stderr, " DROP TABLE failed/n");
fprintf(stderr, " %s/n", mysql_error(mysql));
exit(0);
}
if (mysql_query(mysql, CREATE_SAMPLE_TABLE))
{
fprintf(stderr, " CREATE TABLE failed/n");
fprintf(stderr, " %s/n", mysql_error(mysql));
exit(0);
}
/* Prepare an INSERT query with 3 parameters */
/* (the TIMESTAMP column is not named; the server */
/* sets it to the current date and time) */
stmt = mysql_stmt_init(mysql);
if (!stmt)
{
fprintf(stderr, " mysql_stmt_init(), out of memory/n");
exit(0);
}
if (mysql_stmt_prepare(stmt, INSERT_SAMPLE, strlen(INSERT_SAMPLE)))
{
fprintf(stderr, " mysql_stmt_prepare(), INSERT failed/n");
fprintf(stderr, " %s/n", mysql_stmt_error(stmt));
exit(0);
}
fprintf(stdout, " prepare, INSERT successful/n");
/* Get the parameter count from the statement */
param_count= mysql_stmt_param_count(stmt);
fprintf(stdout, " total parameters in INSERT: %d/n", param_count);
if (param_count != 2) /* validate parameter count */
{
fprintf(stderr, " invalid parameter count returned by MySQL/n");
exit(0);
}
/* Bind the data for all 3 parameters */
memset(bind, 0, sizeof(bind));
/* 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_STRING*/MYSQL_TYPE_LONG;
bind[1].buffer= (char *)&int_data;
bind[1].is_null= 0;
bind[1].length= 0;
/* Bind the buffers */
if (mysql_stmt_bind_param(stmt, bind))
{
fprintf(stderr, " mysql_stmt_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_stmt_execute(stmt))
{
fprintf(stderr, " mysql_stmt_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): %lu/n",
(unsigned long) 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(mysql);
}
