#include <mysql.h>
#include <NdbApi.hpp>
#include <stdio.h>
#include <iostream>
#define PRINT_ERROR(code,msg) \
std::cout << "Error in " << __FILE__ << ", line: " << __LINE__ \
<< ", code: " << code \
<< ", msg: " << msg << "." << std::endl
#define MYSQLERROR(mysql) { \
PRINT_ERROR(mysql_errno(&mysql),mysql_error(&mysql)); \
exit(-1); }
#define APIERROR(error) { \
PRINT_ERROR(error.code,error.message); \
exit(-1); }
int main()
{
ndb_init();
MYSQL mysql;
{
if ( !mysql_init(&mysql) ) {
std::cout << "mysql_init failed\n";
exit(-1);
}
if ( !mysql_real_connect(&mysql, "localhost", "root", "", "",
3306, "/tmp/mysql.sock", 0) )
MYSQLERROR(mysql);
mysql_query(&mysql, "CREATE DATABASE TEST_DB_1");
if (mysql_query(&mysql, "USE TEST_DB_1") != 0) MYSQLERROR(mysql);
if (mysql_query(&mysql,
"CREATE TABLE"
" MYTABLENAME"
" (ATTR1 INT UNSIGNED,"
" ATTR2 INT UNSIGNED NOT NULL,"
" PRIMARY KEY USING HASH (ATTR1),"
" UNIQUE MYINDEXNAME USING HASH (ATTR2))"
" ENGINE=NDB"))
MYSQLERROR(mysql);
}
Ndb_cluster_connection *cluster_connection=
new Ndb_cluster_connection();
if (cluster_connection->connect(5,3,1))
{
std::cout << "Connect to cluster management server failed.\n";
exit(-1);
}
if (cluster_connection->wait_until_ready(30,30))
{
std::cout << "Cluster was not ready within 30 secs.\n";
exit(-1);
}
Ndb* myNdb = new Ndb( cluster_connection,
"TEST_DB_1" );
if (myNdb->init() == -1) {
APIERROR(myNdb->getNdbError());
exit(-1);
}
const NdbDictionary::Dictionary* myDict= myNdb->getDictionary();
const NdbDictionary::Table *myTable= myDict->getTable("MYTABLENAME");
if (myTable == NULL)
APIERROR(myDict->getNdbError());
const NdbDictionary::Index *myIndex= myDict->getIndex("MYINDEXNAME","MYTABLENAME");
if (myIndex == NULL)
APIERROR(myDict->getNdbError());
for (int i = 0; i < 5; i++) {
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("ATTR1", i);
myOperation->setValue("ATTR2", i);
myOperation = myTransaction->getNdbOperation(myTable);
if (myOperation == NULL) APIERROR(myTransaction->getNdbError());
myOperation->insertTuple();
myOperation->equal("ATTR1", i+5);
myOperation->setValue("ATTR2", i+5);
if (myTransaction->execute( NdbTransaction::Commit ) == -1)
APIERROR(myTransaction->getNdbError());
myNdb->closeTransaction(myTransaction);
}
std::cout << "ATTR1 ATTR2" << std::endl;
for (int i = 0; i < 10; i++) {
NdbTransaction *myTransaction= myNdb->startTransaction();
if (myTransaction == NULL) APIERROR(myNdb->getNdbError());
NdbIndexOperation *myIndexOperation=
myTransaction->getNdbIndexOperation(myIndex);
if (myIndexOperation == NULL) APIERROR(myTransaction->getNdbError());
myIndexOperation->readTuple(NdbOperation::LM_Read);
myIndexOperation->equal("ATTR2", i);
NdbRecAttr *myRecAttr= myIndexOperation->getValue("ATTR1", NULL);
if (myRecAttr == NULL) APIERROR(myTransaction->getNdbError());
if(myTransaction->execute( NdbTransaction::Commit ) != -1)
printf(" %2d %2d\n", myRecAttr->u_32_value(), i);
myNdb->closeTransaction(myTransaction);
}
for (int i = 0; i < 10; i+=2) {
NdbTransaction *myTransaction= myNdb->startTransaction();
if (myTransaction == NULL) APIERROR(myNdb->getNdbError());
NdbIndexOperation *myIndexOperation=
myTransaction->getNdbIndexOperation(myIndex);
if (myIndexOperation == NULL) APIERROR(myTransaction->getNdbError());
myIndexOperation->updateTuple();
myIndexOperation->equal( "ATTR2", i );
myIndexOperation->setValue( "ATTR2", i+10);
if( myTransaction->execute( NdbTransaction::Commit ) == -1 )
APIERROR(myTransaction->getNdbError());
myNdb->closeTransaction(myTransaction);
}
{
NdbTransaction *myTransaction= myNdb->startTransaction();
if (myTransaction == NULL) APIERROR(myNdb->getNdbError());
NdbIndexOperation *myIndexOperation=
myTransaction->getNdbIndexOperation(myIndex);
if (myIndexOperation == NULL) APIERROR(myTransaction->getNdbError());
myIndexOperation->deleteTuple();
myIndexOperation->equal( "ATTR2", 3 );
if (myTransaction->execute(NdbTransaction::Commit) == -1)
APIERROR(myTransaction->getNdbError());
myNdb->closeTransaction(myTransaction);
}
{
std::cout << "ATTR1 ATTR2" << std::endl;
for (int i = 0; i < 10; i++) {
NdbTransaction *myTransaction= myNdb->startTransaction();
if (myTransaction == NULL) APIERROR(myNdb->getNdbError());
NdbOperation *myOperation= myTransaction->getNdbOperation(myTable);
if (myOperation == NULL) APIERROR(myTransaction->getNdbError());
myOperation->readTuple(NdbOperation::LM_Read);
myOperation->equal("ATTR1", i);
NdbRecAttr *myRecAttr= myOperation->getValue("ATTR2", NULL);
if (myRecAttr == NULL) APIERROR(myTransaction->getNdbError());
if(myTransaction->execute( NdbTransaction::Commit ) == -1)
if (i == 3) {
std::cout << "Detected that deleted tuple doesn't exist!\n";
} else {
APIERROR(myTransaction->getNdbError());
}
if (i != 3) {
printf(" %2d %2d\n", i, myRecAttr->u_32_value());
}
myNdb->closeTransaction(myTransaction);
}
}
if (mysql_query(&mysql, "DROP TABLE MYTABLENAME"))
MYSQLERROR(mysql);
delete myNdb;
delete cluster_connection;
ndb_end(0);
return 0;
}