MySQL Cluster Tutorial - cdn.oreillystatic.com

static void run_application(MYSQL &mysql,
Ndb_cluster_connection &cluster_connection)
{
/********************************************
* Connect to database via mysql-c *
********************************************/
mysql_query(&mysql, "CREATE DATABASE TEST_DB_1");
if (mysql_query(&mysql, "USE TEST_DB_1") != 0) MYSQLERROR(mysql);
create_table(mysql);
/********************************************
* Connect to database via NdbApi *
********************************************/
// Object representing the database
Ndb myNdb( &cluster_connection, "TEST_DB_1" );
if (myNdb.init()) APIERROR(myNdb.getNdbError());
do_insert(myNdb);
do_indexScan(myNdb);
drop_table(mysql);
mysql_query(&mysql, "DROP DATABASE TEST_DB_1");
}
/*********************************************************
* Create a table named COUNTRY if it does not exist *
*********************************************************/
static void create_table(MYSQL &mysql)
{
if (mysql_query(&mysql,
"DROP TABLE IF EXISTS"
" COUNTRY"))
MYSQLERROR(mysql);
}
if (mysql_query(&mysql,
"CREATE TABLE"
" COUNTRY"
" (SUB_ID INT UNSIGNED NOT NULL PRIMARY KEY,"
" COUNTRY_CODE INT UNSIGNED NOT NULL)"
" ENGINE=NDB"))
MYSQLERROR(mysql);
/***********************************
* Drop a table named MYTABLENAME
***********************************/
static void drop_table(MYSQL &mysql)
{
if (mysql_query(&mysql,
"DROP TABLE"
" COUNTRY"))
MYSQLERROR(mysql);
}
static void do_insert(Ndb &myNdb)
{
NdbDictionary::Dictionary* myDict= myNdb.getDictionary();
const NdbDictionary::Table *myTable= myDict->getTable("COUNTRY");
if (myTable == NULL)
APIERROR(myDict->getNdbError());
NdbTransaction *myTransaction= myNdb.startTransaction();
if (myTransaction == NULL) APIERROR(myNdb.getNdbError());
NdbOperation *myOperation= myTransaction->getNdbOperation(myTable);
if (myOperation == NULL) APIERROR(myTransaction->getNdbError());
myOperation->insertTuple();
myOperation->equal("SUB_ID", 1);
myOperation->setValue("COUNTRY_CODE", 44);
myOperation= myTransaction->getNdbOperation(myTable);
if (myOperation == NULL) APIERROR(myTransaction->getNdbError());
myOperation->insertTuple();
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