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.del-readme.txt~b8bfcc7df24862f9: 

  Delete: storage/ndb/ndbapi-examples/ndbapi_async_example/readme.txt
.del-ndbapi_async.cpp~319189569fb659ec:
  Delete: storage/ndb/ndbapi-examples/ndbapi_async_example/ndbapi_async.cpp
.del-Makefile~79de1c081ceb33e9:
  Delete: storage/ndb/ndbapi-examples/ndbapi_async_example/Makefile
.del-ndbapi_async1.cpp~2995dac9b963a0d:
  Delete: storage/ndb/ndbapi-examples/ndbapi_async_example1/ndbapi_async1.cpp
.del-Makefile~75b59c8ae729df88:
  Delete: storage/ndb/ndbapi-examples/ndbapi_async_example1/Makefile
.del-ndbapi_event.cpp~c5d949802966180:
  Delete: storage/ndb/ndbapi-examples/ndbapi_event_example/ndbapi_event.cpp
.del-Makefile~9b32217af2a3145:
  Delete: storage/ndb/ndbapi-examples/ndbapi_event_example/Makefile
.del-ndbapi_retries.cpp~7301496d8c1c310a:
  Delete: storage/ndb/ndbapi-examples/ndbapi_retries_example/ndbapi_retries.cpp
.del-Makefile~39711027c2d962ff:
  Delete: storage/ndb/ndbapi-examples/ndbapi_retries_example/Makefile
.del-ndbapi_simple_index.cpp~4b95a4d71808b5b6:
  Delete: storage/ndb/ndbapi-examples/ndbapi_simple_index_example/ndbapi_simple_index.cpp
.del-Makefile~27fcbb1f51b14aa7:
  Delete: storage/ndb/ndbapi-examples/ndbapi_simple_index_example/Makefile
.del-readme.txt~c54f2dc2297fa97:
  Delete: storage/ndb/ndbapi-examples/ndbapi_scan_example/readme.txt
.del-ndbapi_scan.cpp~14ed2aa9a5d9e597:
  Delete: storage/ndb/ndbapi-examples/ndbapi_scan_example/ndbapi_scan.cpp
.del-Makefile~896f3a0fcdc499eb:
  Delete: storage/ndb/ndbapi-examples/ndbapi_scan_example/Makefile
.del-ndbapi_simple.cpp~80962179f3c2f5b8:
  Delete: storage/ndb/ndbapi-examples/ndbapi_simple_example/ndbapi_simple.cpp
.del-Makefile~2bb0971c2e0576ef:
  Delete: storage/ndb/ndbapi-examples/ndbapi_simple_example/Makefile
.del-mgmapi_logevent.cpp~f1e7cf3e70edc4:
  Delete: storage/ndb/ndbapi-examples/mgmapi_logevent_example/mgmapi_logevent.cpp
.del-Makefile~8c7f0da8e0e08db6:
  Delete: storage/ndb/ndbapi-examples/mgmapi_logevent_example/Makefile


BitKeeper/deleted/.del-Makefile~8c7f0da8e0e08db6:
  Delete: storage/ndb/ndbapi-examples/mgmapi_logevent_example/Makefile
BitKeeper/deleted/.del-mgmapi_logevent.cpp~f1e7cf3e70edc4:
  Delete: storage/ndb/ndbapi-examples/mgmapi_logevent_example/mgmapi_logevent.cpp
BitKeeper/deleted/.del-Makefile~2bb0971c2e0576ef:
  Delete: storage/ndb/ndbapi-examples/ndbapi_simple_example/Makefile
BitKeeper/deleted/.del-ndbapi_simple.cpp~80962179f3c2f5b8:
  Delete: storage/ndb/ndbapi-examples/ndbapi_simple_example/ndbapi_simple.cpp
BitKeeper/deleted/.del-Makefile~896f3a0fcdc499eb:
  Delete: storage/ndb/ndbapi-examples/ndbapi_scan_example/Makefile
BitKeeper/deleted/.del-ndbapi_scan.cpp~14ed2aa9a5d9e597:
  Delete: storage/ndb/ndbapi-examples/ndbapi_scan_example/ndbapi_scan.cpp
BitKeeper/deleted/.del-readme.txt~c54f2dc2297fa97:
  Delete: storage/ndb/ndbapi-examples/ndbapi_scan_example/readme.txt
BitKeeper/deleted/.del-Makefile~27fcbb1f51b14aa7:
  Delete: storage/ndb/ndbapi-examples/ndbapi_simple_index_example/Makefile
BitKeeper/deleted/.del-ndbapi_simple_index.cpp~4b95a4d71808b5b6:
  Delete: storage/ndb/ndbapi-examples/ndbapi_simple_index_example/ndbapi_simple_index.cpp
BitKeeper/deleted/.del-Makefile~39711027c2d962ff:
  Delete: storage/ndb/ndbapi-examples/ndbapi_retries_example/Makefile
BitKeeper/deleted/.del-ndbapi_retries.cpp~7301496d8c1c310a:
  Delete: storage/ndb/ndbapi-examples/ndbapi_retries_example/ndbapi_retries.cpp
BitKeeper/deleted/.del-Makefile~9b32217af2a3145:
  Delete: storage/ndb/ndbapi-examples/ndbapi_event_example/Makefile
BitKeeper/deleted/.del-ndbapi_event.cpp~c5d949802966180:
  Delete: storage/ndb/ndbapi-examples/ndbapi_event_example/ndbapi_event.cpp
BitKeeper/deleted/.del-Makefile~75b59c8ae729df88:
  Delete: storage/ndb/ndbapi-examples/ndbapi_async_example1/Makefile
BitKeeper/deleted/.del-ndbapi_async1.cpp~2995dac9b963a0d:
  Delete: storage/ndb/ndbapi-examples/ndbapi_async_example1/ndbapi_async1.cpp
BitKeeper/deleted/.del-Makefile~79de1c081ceb33e9:
  Delete: storage/ndb/ndbapi-examples/ndbapi_async_example/Makefile
BitKeeper/deleted/.del-ndbapi_async.cpp~319189569fb659ec:
  Delete: storage/ndb/ndbapi-examples/ndbapi_async_example/ndbapi_async.cpp
BitKeeper/deleted/.del-readme.txt~b8bfcc7df24862f9:
  Delete: storage/ndb/ndbapi-examples/ndbapi_async_example/readme.txt
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storage/ndb/ndbapi-examples/mgmapi_logevent_example/Makefile deleted 100644 → 0
View file @ 519ebe2b
TARGET = mgmapi_logevent
SRCS = $(TARGET).cpp
OBJS = $(TARGET).o
CXX = g++
CFLAGS = -c -Wall -fno-rtti -fno-exceptions
CXXFLAGS =
DEBUG =
LFLAGS = -Wall
TOP_SRCDIR = ../../../..
INCLUDE_DIR = $(TOP_SRCDIR)/storage/ndb/include
LIB_DIR = -L$(TOP_SRCDIR)/storage/ndb/src/.libs \
-L$(TOP_SRCDIR)/libmysql_r/.libs \
-L$(TOP_SRCDIR)/mysys -L$(TOP_SRCDIR)/strings
SYS_LIB =
$(TARGET): $(OBJS)
$(CXX) $(CXXFLAGS) $(LFLAGS) $(LIB_DIR) $(OBJS) -lndbclient -lmysqlclient_r -lmysys -lmystrings -lz $(SYS_LIB) -o $(TARGET)
$(TARGET).o: $(SRCS)
$(CXX) $(CFLAGS) -I$(TOP_SRCDIR)/include -I$(INCLUDE_DIR) -I$(INCLUDE_DIR)/mgmapi -I$(INCLUDE_DIR)/ndbapi $(SRCS)
clean:
rm -f *.o $(TARGET)
storage/ndb/ndbapi-examples/mgmapi_logevent_example/mgmapi_logevent.cpp deleted 100644 → 0
View file @ 519ebe2b
/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <mysql.h>
#include <ndbapi/NdbApi.hpp>
#include <mgmapi.h>
#include <stdio.h>
/*
* export LD_LIBRARY_PATH=../../../libmysql_r/.libs:../../../ndb/src/.libs
*/
#define MGMERROR(h) \
{ \
fprintf(stderr, "code: %d msg: %s\n", \
ndb_mgm_get_latest_error(h), \
ndb_mgm_get_latest_error_msg(h)); \
exit(-1); \
}
#define LOGEVENTERROR(h) \
{ \
fprintf(stderr, "code: %d msg: %s\n", \
ndb_logevent_get_latest_error(h), \
ndb_logevent_get_latest_error_msg(h)); \
exit(-1); \
}
int main()
{
NdbMgmHandle h;
NdbLogEventHandle le;
int filter[] = { 15, NDB_MGM_EVENT_CATEGORY_BACKUP,
15, NDB_MGM_EVENT_CATEGORY_CONNECTION,
15, NDB_MGM_EVENT_CATEGORY_NODE_RESTART,
15, NDB_MGM_EVENT_CATEGORY_STARTUP,
15, NDB_MGM_EVENT_CATEGORY_ERROR,
0 };
struct ndb_logevent event;
ndb_init();
h= ndb_mgm_create_handle();
if ( h == 0)
{
printf("Unable to create handle\n");
exit(-1);
}
if (ndb_mgm_connect(h,0,0,0)) MGMERROR(h);
le= ndb_mgm_create_logevent_handle(h, filter);
if ( le == 0 ) MGMERROR(h);
while (1)
{
int timeout= 5000;
int r= ndb_logevent_get_next(le,&event,timeout);
if (r == 0)
printf("No event within %d milliseconds\n", timeout);
else if (r < 0)
LOGEVENTERROR(le)
else
{
switch (event.type) {
case NDB_LE_BackupStarted:
printf("Node %d: BackupStarted\n", event.source_nodeid);
printf(" Starting node ID: %d\n", event.BackupStarted.starting_node);
printf(" Backup ID: %d\n", event.BackupStarted.backup_id);
break;
case NDB_LE_BackupCompleted:
printf("Node %d: BackupCompleted\n", event.source_nodeid);
printf(" Backup ID: %d\n", event.BackupStarted.backup_id);
break;
case NDB_LE_BackupAborted:
printf("Node %d: BackupAborted\n", event.source_nodeid);
break;
case NDB_LE_BackupFailedToStart:
printf("Node %d: BackupFailedToStart\n", event.source_nodeid);
break;
case NDB_LE_NodeFailCompleted:
printf("Node %d: NodeFailCompleted\n", event.source_nodeid);
break;
case NDB_LE_ArbitResult:
printf("Node %d: ArbitResult\n", event.source_nodeid);
printf(" code %d, arbit_node %d\n",
event.ArbitResult.code & 0xffff,
event.ArbitResult.arbit_node);
break;
case NDB_LE_DeadDueToHeartbeat:
printf("Node %d: DeadDueToHeartbeat\n", event.source_nodeid);
printf(" node %d\n", event.DeadDueToHeartbeat.node);
break;
case NDB_LE_Connected:
printf("Node %d: Connected\n", event.source_nodeid);
printf(" node %d\n", event.Connected.node);
break;
case NDB_LE_Disconnected:
printf("Node %d: Disconnected\n", event.source_nodeid);
printf(" node %d\n", event.Disconnected.node);
break;
case NDB_LE_NDBStartCompleted:
printf("Node %d: StartCompleted\n", event.source_nodeid);
printf(" version %d.%d.%d\n",
event.NDBStartCompleted.version >> 16 & 0xff,
event.NDBStartCompleted.version >> 8 & 0xff,
event.NDBStartCompleted.version >> 0 & 0xff);
break;
case NDB_LE_ArbitState:
printf("Node %d: ArbitState\n", event.source_nodeid);
printf(" code %d, arbit_node %d\n",
event.ArbitState.code & 0xffff,
event.ArbitResult.arbit_node);
break;
default:
break;
}
}
}
ndb_mgm_destroy_logevent_handle(&le);
ndb_mgm_destroy_handle(&h);
ndb_end(0);
return 0;
}
storage/ndb/ndbapi-examples/ndbapi_async_example/Makefile deleted 100644 → 0
View file @ 519ebe2b
TARGET = ndbapi_async
SRCS = $(TARGET).cpp
OBJS = $(TARGET).o
CXX = g++
CFLAGS = -g -c -Wall -fno-rtti -fno-exceptions
CXXFLAGS = -g
DEBUG =
LFLAGS = -Wall
TOP_SRCDIR = ../../../..
INCLUDE_DIR = $(TOP_SRCDIR)
LIB_DIR = -L$(TOP_SRCDIR)/storage/ndb/src/.libs \
-L$(TOP_SRCDIR)/libmysql_r/.libs \
-L$(TOP_SRCDIR)/mysys -L$(TOP_SRCDIR)/strings
SYS_LIB =
$(TARGET): $(OBJS)
$(CXX) $(CXXFLAGS) $(LFLAGS) $(LIB_DIR) $(OBJS) -lndbclient -lmysqlclient_r -lmysys -lmystrings -lz $(SYS_LIB) -o $(TARGET)
$(TARGET).o: $(SRCS)
$(CXX) $(CFLAGS) -I$(INCLUDE_DIR)/include -I$(INCLUDE_DIR)/extra -I$(INCLUDE_DIR)/storage/ndb/include -I$(INCLUDE_DIR)/storage/ndb/include/ndbapi $(SRCS)
clean:
rm -f *.o $(TARGET)
storage/ndb/ndbapi-examples/ndbapi_async_example/ndbapi_async.cpp deleted 100644 → 0
View file @ 519ebe2b
/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/**
* ndbapi_async.cpp:
* Illustrates how to use callbacks and error handling using the asynchronous
* part of the NDBAPI.
*
* Classes and methods in NDBAPI used in this example:
*
* Ndb_cluster_connection
* connect()
* wait_until_ready()
*
* Ndb
* init()
* startTransaction()
* closeTransaction()
* sendPollNdb()
* getNdbError()
*
* NdbConnection
* getNdbOperation()
* executeAsynchPrepare()
* getNdbError()
*
* NdbOperation
* insertTuple()
* equal()
* setValue()
*
*/
#include <mysql.h>
#include <mysqld_error.h>
#include <NdbApi.hpp>
#include <iostream> // Used for cout
/**
* Helper sleep function
*/
static void
milliSleep(int milliseconds){
struct timeval sleeptime;
sleeptime.tv_sec = milliseconds / 1000;
sleeptime.tv_usec = (milliseconds - (sleeptime.tv_sec * 1000)) * 1000000;
select(0, 0, 0, 0, &sleeptime);
}
/**
* error printout macro
*/
#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); }
#ifndef DOXYGEN_SHOULD_SKIP_INTERNAL
/**
* callback struct.
* transaction : index of the transaction in transaction[] array below
* data : the data that the transaction was modifying.
* retries : counter for how many times the trans. has been retried
*/
typedef struct {
Ndb * ndb;
int transaction;
int data;
int retries;
} async_callback_t;
/**
* Structure used in "free list" to a NdbTransaction
*/
typedef struct {
NdbTransaction* conn;
int used;
} transaction_t;
/**
* Free list holding transactions
*/
transaction_t transaction[1024]; //1024 - max number of outstanding
//transaction in one Ndb object
#endif
/**
* prototypes
*/
/**
* Prepare and send transaction
*/
int populate(Ndb * myNdb, int data, async_callback_t * cbData);
/**
* Error handler.
*/
bool asynchErrorHandler(NdbTransaction * trans, Ndb* ndb);
/**
* Exit function
*/
void asynchExitHandler(Ndb * m_ndb) ;
/**
* Helper function used in callback(...)
*/
void closeTransaction(Ndb * ndb , async_callback_t * cb);
/**
* Function to create table
*/
int create_table(Ndb * myNdb);
/**
* stat. variables
*/
int tempErrors = 0;
int permErrors = 0;
void
closeTransaction(Ndb * ndb , async_callback_t * cb)
{
ndb->closeTransaction(transaction[cb->transaction].conn);
transaction[cb->transaction].conn = 0;
transaction[cb->transaction].used = 0;
cb->retries++;
}
/**
* Callback executed when transaction has return from NDB
*/
static void
callback(int result, NdbTransaction* trans, void* aObject)
{
async_callback_t * cbData = (async_callback_t *)aObject;
if (result<0)
{
/**
* Error: Temporary or permanent?
*/
if (asynchErrorHandler(trans, (Ndb*)cbData->ndb))
{
closeTransaction((Ndb*)cbData->ndb, cbData);
while(populate((Ndb*)cbData->ndb, cbData->data, cbData) < 0)
milliSleep(10);
}
else
{
std::cout << "Restore: Failed to restore data "
<< "due to a unrecoverable error. Exiting..." << std::endl;
delete cbData;
asynchExitHandler((Ndb*)cbData->ndb);
}
}
else
{
/**
* OK! close transaction
*/
closeTransaction((Ndb*)cbData->ndb, cbData);
delete cbData;
}
}
/**
* Create table "GARAGE"
*/
int create_table(MYSQL &mysql)
{
while (mysql_query(&mysql,
"CREATE TABLE"
" GARAGE"
" (REG_NO INT UNSIGNED NOT NULL,"
" BRAND CHAR(20) NOT NULL,"
" COLOR CHAR(20) NOT NULL,"
" PRIMARY KEY USING HASH (REG_NO))"
" ENGINE=NDB"))
{
if (mysql_errno(&mysql) != ER_TABLE_EXISTS_ERROR)
MYSQLERROR(mysql);
std::cout << "MySQL Cluster already has example table: GARAGE. "
<< "Dropping it..." << std::endl;
/**************
* Drop table *
**************/
if (mysql_query(&mysql, "DROP TABLE GARAGE"))
MYSQLERROR(mysql);
}
return 1;
}
void asynchExitHandler(Ndb * m_ndb)
{
if (m_ndb != NULL)
delete m_ndb;
exit(-1);
}
/* returns true if is recoverable (temporary),
* false if it is an error that is permanent.
*/
bool asynchErrorHandler(NdbTransaction * trans, Ndb* ndb)
{
NdbError error = trans->getNdbError();
switch(error.status)
{
case NdbError::Success:
return false;
break;
case NdbError::TemporaryError:
/**
* The error code indicates a temporary error.
* The application should typically retry.
* (Includes classifications: NdbError::InsufficientSpace,
* NdbError::TemporaryResourceError, NdbError::NodeRecoveryError,
* NdbError::OverloadError, NdbError::NodeShutdown
* and NdbError::TimeoutExpired.)
*
* We should sleep for a while and retry, except for insufficient space
*/
if(error.classification == NdbError::InsufficientSpace)
return false;
milliSleep(10);
tempErrors++;
return true;
break;
case NdbError::UnknownResult:
std::cout << error.message << std::endl;
return false;
break;
default:
case NdbError::PermanentError:
switch (error.code)
{
case 499:
case 250:
milliSleep(10);
return true; // SCAN errors that can be retried. Requires restart of scan.
default:
break;
}
//ERROR
std::cout << error.message << std::endl;
return false;
break;
}
return false;
}
static int nPreparedTransactions = 0;
static int MAX_RETRIES = 10;
static int parallelism = 100;
/************************************************************************
* populate()
* 1. Prepare 'parallelism' number of insert transactions.
* 2. Send transactions to NDB and wait for callbacks to execute
*/
int populate(Ndb * myNdb, int data, async_callback_t * cbData)
{
NdbOperation* myNdbOperation; // For operations
const NdbDictionary::Dictionary* myDict= myNdb->getDictionary();
const NdbDictionary::Table *myTable= myDict->getTable("GARAGE");
if (myTable == NULL)
APIERROR(myDict->getNdbError());
async_callback_t * cb;
int retries = 0;
int current = 0;
for(int i=0; i<1024; i++)
{
if(transaction[i].used == 0)
{
current = i;
if (cbData == 0)
{
/**
* We already have a callback
* This is an absolutely new transaction
*/
cb = new async_callback_t;
cb->retries = 0;
}
else
{
/**
* We already have a callback
*/
cb =cbData;
retries = cbData->retries;
}
/**
* Set data used by the callback
*/
cb->ndb = myNdb; //handle to Ndb object so that we can close transaction
// in the callback (alt. make myNdb global).
cb->data = data; //this is the data we want to insert
cb->transaction = current; //This is the number (id) of this transaction
transaction[current].used = 1 ; //Mark the transaction as used
break;
}
}
if(!current)
return -1;
while(retries < MAX_RETRIES)
{
transaction[current].conn = myNdb->startTransaction();
if (transaction[current].conn == NULL) {
if (asynchErrorHandler(transaction[current].conn, myNdb))
{
/**
* no transaction to close since conn == null
*/
milliSleep(10);
retries++;
continue;
}
asynchExitHandler(myNdb);
}
myNdbOperation = transaction[current].conn->getNdbOperation(myTable);
if (myNdbOperation == NULL)
{
if (asynchErrorHandler(transaction[current].conn, myNdb))
{
myNdb->closeTransaction(transaction[current].conn);
transaction[current].conn = 0;
milliSleep(10);
retries++;
continue;
}
asynchExitHandler(myNdb);
} // if
if(myNdbOperation->insertTuple() < 0 ||
myNdbOperation->equal("REG_NO", data) < 0 ||
myNdbOperation->setValue("BRAND", "Mercedes") <0 ||
myNdbOperation->setValue("COLOR", "Blue") < 0)
{
if (asynchErrorHandler(transaction[current].conn, myNdb))
{
myNdb->closeTransaction(transaction[current].conn);
transaction[current].conn = 0;
retries++;
milliSleep(10);
continue;
}
asynchExitHandler(myNdb);
}
/*Prepare transaction (the transaction is NOT yet sent to NDB)*/
transaction[current].conn->executeAsynchPrepare(NdbTransaction::Commit,
&callback,
cb);
/**
* When we have prepared parallelism number of transactions ->
* send the transaction to ndb.
* Next time we will deal with the transactions are in the
* callback. There we will see which ones that were successful
* and which ones to retry.
*/
if (nPreparedTransactions == parallelism-1)
{
// send-poll all transactions
// close transaction is done in callback
myNdb->sendPollNdb(3000, parallelism );
nPreparedTransactions=0;
}
else
nPreparedTransactions++;
return 1;
}
std::cout << "Unable to recover from errors. Exiting..." << std::endl;
asynchExitHandler(myNdb);
return -1;
}
int main()
{
ndb_init();
MYSQL mysql;
/**************************************************************
* Connect to mysql server and create table *
**************************************************************/
{
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");
if (mysql_query(&mysql, "USE TEST_DB") != 0) MYSQLERROR(mysql);
create_table(mysql);
}
/**************************************************************
* Connect to ndb cluster *
**************************************************************/
Ndb_cluster_connection cluster_connection;
if (cluster_connection.connect(4, 5, 1))
{
std::cout << "Unable to connect to cluster within 30 secs." << std::endl;
exit(-1);
}
// Optionally connect and wait for the storage nodes (ndbd's)
if (cluster_connection.wait_until_ready(30,0) < 0)
{
std::cout << "Cluster was not ready within 30 secs.\n";
exit(-1);
}
Ndb* myNdb = new Ndb( &cluster_connection,
"TEST_DB" ); // Object representing the database
if (myNdb->init(1024) == -1) { // Set max 1024 parallel transactions
APIERROR(myNdb->getNdbError());
}
/**
* Initialise transaction array
*/
for(int i = 0 ; i < 1024 ; i++)
{
transaction[i].used = 0;
transaction[i].conn = 0;
}
int i=0;
/**
* Do 20000 insert transactions.
*/
while(i < 20000)
{
while(populate(myNdb,i,0)<0) // <0, no space on free list. Sleep and try again.
milliSleep(10);
i++;
}
std::cout << "Number of temporary errors: " << tempErrors << std::endl;
delete myNdb;
}
storage/ndb/ndbapi-examples/ndbapi_async_example/readme.txt deleted 100644 → 0
View file @ 519ebe2b
1. Set NDB_OS in Makefile
2. Add path to libNDB_API.so in LD_LIBRARY_PATH
3. Set NDB_CONNECTSTRING
storage/ndb/ndbapi-examples/ndbapi_async_example1/Makefile deleted 100644 → 0
View file @ 519ebe2b
TARGET = ndbapi_async1
SRCS = ndbapi_async1.cpp
OBJS = ndbapi_async1.o
CXX = g++
CFLAGS = -c -Wall -fno-rtti -fno-exceptions
DEBUG =
LFLAGS = -Wall
TOP_SRCDIR = ../../../..
INCLUDE_DIR = $(TOP_SRCDIR)
LIB_DIR = -L$(TOP_SRCDIR)/storage/ndb/src/.libs \
-L$(TOP_SRCDIR)/libmysql_r/.libs \
-L$(TOP_SRCDIR)/mysys -L$(TOP_SRCDIR)/strings
SYS_LIB =
$(TARGET): $(OBJS)
$(CXX) $(LFLAGS) $(LIB_DIR) $(OBJS) -lndbclient -lmysqlclient_r -lmysys -lmystrings -lz $(SYS_LIB) -o $(TARGET)
$(TARGET).o: $(SRCS)
$(CXX) $(CFLAGS) -I$(INCLUDE_DIR)/storage/ndb/include -I$(INCLUDE_DIR)/storage/ndb/include/ndbapi $(SRCS)
clean:
rm -f *.o $(TARGET)
storage/ndb/ndbapi-examples/ndbapi_async_example1/ndbapi_async1.cpp deleted 100644 → 0
View file @ 519ebe2b
/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
//
// ndbapi_async1.cpp: Using asynchronous transactions in NDB API
//
// Execute ndbapi_example1 to create the table "MYTABLENAME"
// before executing this program.
//
// Correct output from this program is:
//
// Successful insert.
// Successful insert.
#include <NdbApi.hpp>
// Used for cout
#include <iostream>
#define APIERROR(error) \
{ std::cout << "Error in " << __FILE__ << ", line:" << __LINE__ << ", code:" \
<< error.code << ", msg: " << error.message << "." << std::endl; \
exit(-1); }
static void callback(int result, NdbTransaction* NdbObject, void* aObject);
int main()
{
ndb_init();
Ndb_cluster_connection *cluster_connection=
new Ndb_cluster_connection(); // Object representing the cluster
if (cluster_connection->wait_until_ready(30,30))
{
std::cout << "Cluster was not ready within 30 secs." << std::endl;
exit(-1);
}
int r= cluster_connection->connect(5 /* retries */,
3 /* delay between retries */,
1 /* verbose */);
if (r > 0)
{
std::cout
<< "Cluster connect failed, possibly resolved with more retries.\n";
exit(-1);
}
else if (r < 0)
{
std::cout
<< "Cluster connect failed.\n";
exit(-1);
}
if (cluster_connection->wait_until_ready(30,30))
{
std::cout << "Cluster was not ready within 30 secs." << std::endl;
exit(-1);
}
Ndb* myNdb = new Ndb( cluster_connection,
"TEST_DB_2" ); // Object representing the database
NdbTransaction* myNdbTransaction[2]; // For transactions
NdbOperation* myNdbOperation; // For operations
if (myNdb->init(2) == -1) { // Want two parallel insert transactions
APIERROR(myNdb->getNdbError());
exit(-1);
}
/******************************************************
* Insert (we do two insert transactions in parallel) *
******************************************************/
const NdbDictionary::Dictionary* myDict= myNdb->getDictionary();
const NdbDictionary::Table *myTable= myDict->getTable("MYTABLENAME");
if (myTable == NULL)
APIERROR(myDict->getNdbError());
for (int i = 0; i < 2; i++) {
myNdbTransaction[i] = myNdb->startTransaction();
if (myNdbTransaction[i] == NULL) APIERROR(myNdb->getNdbError());
myNdbOperation = myNdbTransaction[i]->getNdbOperation(myTable);
if (myNdbOperation == NULL) APIERROR(myNdbTransaction[i]->getNdbError());
myNdbOperation->insertTuple();
myNdbOperation->equal("ATTR1", 20 + i);
myNdbOperation->setValue("ATTR2", 20 + i);
// Prepare transaction (the transaction is NOT yet sent to NDB)
myNdbTransaction[i]->executeAsynchPrepare(NdbTransaction::Commit,
&callback, NULL);
}
// Send all transactions to NDB
myNdb->sendPreparedTransactions(0);
// Poll all transactions
myNdb->pollNdb(3000, 2);
// Close all transactions
for (int i = 0; i < 2; i++)
myNdb->closeTransaction(myNdbTransaction[i]);
delete myNdb;
delete cluster_connection;
ndb_end(0);
return 0;
}
/*
* callback : This is called when the transaction is polled
*
* (This function must have three arguments:
* - The result of the transaction,
* - The NdbTransaction object, and
* - A pointer to an arbitrary object.)
*/
static void
callback(int result, NdbTransaction* myTrans, void* aObject)
{
if (result == -1) {
std::cout << "Poll error: " << std::endl;
APIERROR(myTrans->getNdbError());
} else {
std::cout << "Successful insert." << std::endl;
}
}
storage/ndb/ndbapi-examples/ndbapi_event_example/Makefile deleted 100644 → 0
View file @ 519ebe2b
TARGET = ndbapi_event
SRCS = ndbapi_event.cpp
OBJS = ndbapi_event.o
CXX = g++
CFLAGS = -c -Wall -fno-rtti -fno-exceptions
CXXFLAGS =
DEBUG =
LFLAGS = -Wall
TOP_SRCDIR = ../../../..
INCLUDE_DIR = $(TOP_SRCDIR)/storage/ndb/include
LIB_DIR = -L$(TOP_SRCDIR)/storage/ndb/src/.libs \
-L$(TOP_SRCDIR)/libmysql_r/.libs \
-L$(TOP_SRCDIR)/mysys -L$(TOP_SRCDIR)/strings
SYS_LIB =
$(TARGET): $(OBJS)
$(CXX) $(CXXFLAGS) $(LFLAGS) $(LIB_DIR) $(OBJS) -lndbclient -lmysqlclient_r -lmysys -lmystrings -lz $(SYS_LIB) -o $(TARGET)
$(TARGET).o: $(SRCS)
$(CXX) $(CFLAGS) -I$(INCLUDE_DIR) -I$(INCLUDE_DIR)/ndbapi $(SRCS)
clean:
rm -f *.o $(TARGET)
storage/ndb/ndbapi-examples/ndbapi_event_example/ndbapi_event.cpp deleted 100644 → 0
View file @ 519ebe2b
/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/**
* ndbapi_event.cpp: Using API level events in NDB API
*
* Classes and methods used in this example:
*
* Ndb_cluster_connection
* connect()
* wait_until_ready()
*
* Ndb
* init()
* getDictionary()
* createEventOperation()
* dropEventOperation()
* pollEvents()
*
* NdbDictionary
* createEvent()
* dropEvent()
*
* NdbDictionary::Event
* setTable()
* addTableEvent()
* addEventColumn()
*
* NdbEventOperation
* getValue()
* getPreValue()
* execute()
* next()
* isConsistent()
* getEventType()
*
*/
#include <NdbApi.hpp>
// Used for cout
#include <stdio.h>
#include <iostream>
#include <unistd.h>
/**
*
* Assume that there is a table TAB0 which is being updated by
* another process (e.g. flexBench -l 0 -stdtables).
* We want to monitor what happens with columns COL0, COL2, COL11
*
* or together with the mysql client;
*
* shell> mysql -u root
* mysql> create database TEST_DB;
* mysql> use TEST_DB;
* mysql> create table TAB0 (COL0 int primary key, COL1 int, COL11 int) engine=ndb;
*
* In another window start ndbapi_event, wait until properly started
*
insert into TAB0 values (1,2,3);
insert into TAB0 values (2,2,3);
insert into TAB0 values (3,2,9);
update TAB0 set COL1=10 where COL0=1;
delete from TAB0 where COL0=1;
*
* you should see the data popping up in the example window
*
*/
#define APIERROR(error) \
{ std::cout << "Error in " << __FILE__ << ", line:" << __LINE__ << ", code:" \
<< error.code << ", msg: " << error.message << "." << std::endl; \
exit(-1); }
int myCreateEvent(Ndb* myNdb,
const char *eventName,
const char *eventTableName,
const char **eventColumnName,
const int noEventColumnName);
int main()
{
ndb_init();
Ndb_cluster_connection *cluster_connection=
new Ndb_cluster_connection(); // Object representing the cluster
int r= cluster_connection->connect(5 /* retries */,
3 /* delay between retries */,
1 /* verbose */);
if (r > 0)
{
std::cout
<< "Cluster connect failed, possibly resolved with more retries.\n";
exit(-1);
}
else if (r < 0)
{
std::cout
<< "Cluster connect failed.\n";
exit(-1);
}
if (cluster_connection->wait_until_ready(30,30))
{
std::cout << "Cluster was not ready within 30 secs." << std::endl;
exit(-1);
}
Ndb* myNdb= new Ndb(cluster_connection,
"TEST_DB"); // Object representing the database
if (myNdb->init() == -1) APIERROR(myNdb->getNdbError());
const char *eventName= "CHNG_IN_TAB0";
const char *eventTableName= "TAB0";
const int noEventColumnName= 3;
const char *eventColumnName[noEventColumnName]=
{"COL0",
"COL1",
"COL11"};
// Create events
myCreateEvent(myNdb,
eventName,
eventTableName,
eventColumnName,
noEventColumnName);
int j= 0;
while (j < 5) {
// Start "transaction" for handling events
NdbEventOperation* op;
printf("create EventOperation\n");
if ((op = myNdb->createEventOperation(eventName,100)) == NULL)
APIERROR(myNdb->getNdbError());
printf("get values\n");
NdbRecAttr* recAttr[noEventColumnName];
NdbRecAttr* recAttrPre[noEventColumnName];
// primary keys should always be a part of the result
for (int i = 0; i < noEventColumnName; i++) {
recAttr[i] = op->getValue(eventColumnName[i]);
recAttrPre[i] = op->getPreValue(eventColumnName[i]);
}
// set up the callbacks
printf("execute\n");
// This starts changes to "start flowing"
if (op->execute())
APIERROR(op->getNdbError());
int i= 0;
while(i < 40) {
// printf("now waiting for event...\n");
int r= myNdb->pollEvents(1000); // wait for event or 1000 ms
if (r > 0) {
// printf("got data! %d\n", r);
int overrun;
while (op->next(&overrun) > 0) {
i++;
if (!op->isConsistent())
printf("A node failure has occured and events might be missing\n");
switch (op->getEventType()) {
case NdbDictionary::Event::TE_INSERT:
printf("%u INSERT: ", i);
break;
case NdbDictionary::Event::TE_DELETE:
printf("%u DELETE: ", i);
break;
case NdbDictionary::Event::TE_UPDATE:
printf("%u UPDATE: ", i);
break;
default:
abort(); // should not happen
}
printf("overrun %u pk %u: ", overrun, recAttr[0]->u_32_value());
for (int i = 1; i < noEventColumnName; i++) {
if (recAttr[i]->isNULL() >= 0) { // we have a value
printf(" post[%u]=", i);
if (recAttr[i]->isNULL() == 0) // we have a non-null value
printf("%u", recAttr[i]->u_32_value());
else // we have a null value
printf("NULL");
}
if (recAttrPre[i]->isNULL() >= 0) { // we have a value
printf(" pre[%u]=", i);
if (recAttrPre[i]->isNULL() == 0) // we have a non-null value
printf("%u", recAttrPre[i]->u_32_value());
else // we have a null value
printf("NULL");
}
}
printf("\n");
}
} else
;//printf("timed out\n");
}
// don't want to listen to events anymore
if (myNdb->dropEventOperation(op)) APIERROR(myNdb->getNdbError());
j++;
}
{
NdbDictionary::Dictionary *myDict = myNdb->getDictionary();
if (!myDict) APIERROR(myNdb->getNdbError());
// remove event from database
if (myDict->dropEvent(eventName)) APIERROR(myDict->getNdbError());
}
delete myNdb;
delete cluster_connection;
ndb_end(0);
return 0;
}
int myCreateEvent(Ndb* myNdb,
const char *eventName,
const char *eventTableName,
const char **eventColumnNames,
const int noEventColumnNames)
{
NdbDictionary::Dictionary *myDict= myNdb->getDictionary();
if (!myDict) APIERROR(myNdb->getNdbError());
const NdbDictionary::Table *table= myDict->getTable(eventTableName);
if (!table) APIERROR(myDict->getNdbError());
NdbDictionary::Event myEvent(eventName, *table);
myEvent.addTableEvent(NdbDictionary::Event::TE_ALL);
// myEvent.addTableEvent(NdbDictionary::Event::TE_INSERT);
// myEvent.addTableEvent(NdbDictionary::Event::TE_UPDATE);
// myEvent.addTableEvent(NdbDictionary::Event::TE_DELETE);
myEvent.addEventColumns(noEventColumnNames, eventColumnNames);
// Add event to database
if (myDict->createEvent(myEvent) == 0)
myEvent.print();
else if (myDict->getNdbError().classification ==
NdbError::SchemaObjectExists) {
printf("Event creation failed, event exists\n");
printf("dropping Event...\n");
if (myDict->dropEvent(eventName)) APIERROR(myDict->getNdbError());
// try again
// Add event to database
if ( myDict->createEvent(myEvent)) APIERROR(myDict->getNdbError());
} else
APIERROR(myDict->getNdbError());
return 0;
}
storage/ndb/ndbapi-examples/ndbapi_retries_example/Makefile deleted 100644 → 0
View file @ 519ebe2b
TARGET = ndbapi_retries
SRCS = ndbapi_retries.cpp
OBJS = ndbapi_retries.o
CXX = g++
CFLAGS = -c -Wall -fno-rtti -fno-exceptions
DEBUG =
LFLAGS = -Wall
TOP_SRCDIR = ../../../..
INCLUDE_DIR = ../../include
LIB_DIR = -L$(TOP_SRCDIR)/storage/ndb/src/.libs \
-L$(TOP_SRCDIR)/libmysql_r/.libs \
-L$(TOP_SRCDIR)/mysys -L$(TOP_SRCDIR)/strings
SYS_LIB =
$(TARGET): $(OBJS)
$(CXX) $(LFLAGS) $(LIB_DIR) $(OBJS) -lndbclient -lmysqlclient_r -lmysys -lmystrings -lz $(SYS_LIB) -o $(TARGET)
$(TARGET).o: $(SRCS)
$(CXX) $(CFLAGS) -I$(INCLUDE_DIR) -I$(INCLUDE_DIR)/ndbapi $(SRCS)
clean:
rm -f *.o $(TARGET)
storage/ndb/ndbapi-examples/ndbapi_retries_example/ndbapi_retries.cpp deleted 100644 → 0
View file @ 519ebe2b
/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
//
// ndbapi_retries.cpp: Error handling and transaction retries
//
// Execute ndbapi_simple to create the table "MYTABLENAME"
// before executing this program.
//
// There are many ways to program using the NDB API. In this example
// we execute two inserts in the same transaction using
// NdbConnection::execute(NoCommit).
//
// Transaction failing is handled by re-executing the transaction
// in case of non-permanent transaction errors.
// Application errors (i.e. errors at points marked with APIERROR)
// should be handled by the application programmer.
#include <NdbApi.hpp>
// Used for cout
#include <iostream>
// Used for sleep (use your own version of sleep)
#include <unistd.h>
#define TIME_TO_SLEEP_BETWEEN_TRANSACTION_RETRIES 1
//
// APIERROR prints an NdbError object
//
#define APIERROR(error) \
{ std::cout << "API ERROR: " << error.code << " " << error.message \
<< std::endl \
<< " " << "Status: " << error.status \
<< ", Classification: " << error.classification << std::endl\
<< " " << "File: " << __FILE__ \
<< " (Line: " << __LINE__ << ")" << std::endl \
; \
}
//
// TRANSERROR prints all error info regarding an NdbTransaction
//
#define TRANSERROR(ndbTransaction) \
{ NdbError error = ndbTransaction->getNdbError(); \
std::cout << "TRANS ERROR: " << error.code << " " << error.message \
<< std::endl \
<< " " << "Status: " << error.status \
<< ", Classification: " << error.classification << std::endl \
<< " " << "File: " << __FILE__ \
<< " (Line: " << __LINE__ << ")" << std::endl \
; \
printTransactionError(ndbTransaction); \
}
void printTransactionError(NdbTransaction *ndbTransaction) {
const NdbOperation *ndbOp = NULL;
int i=0;
/****************************************************************
* Print NdbError object of every operations in the transaction *
****************************************************************/
while ((ndbOp = ndbTransaction->getNextCompletedOperation(ndbOp)) != NULL) {
NdbError error = ndbOp->getNdbError();
std::cout << " OPERATION " << i+1 << ": "
<< error.code << " " << error.message << std::endl
<< " Status: " << error.status
<< ", Classification: " << error.classification << std::endl;
i++;
}
}
//
// Example insert
// @param myNdb Ndb object representing NDB Cluster
// @param myTransaction NdbTransaction used for transaction
// @param myTable Table to insert into
// @param error NdbError object returned in case of errors
// @return -1 in case of failures, 0 otherwise
//
int insert(int transactionId, NdbTransaction* myTransaction,
const NdbDictionary::Table *myTable) {
NdbOperation *myOperation; // For other operations
myOperation = myTransaction->getNdbOperation(myTable);
if (myOperation == NULL) return -1;
if (myOperation->insertTuple() ||
myOperation->equal("ATTR1", transactionId) ||
myOperation->setValue("ATTR2", transactionId)) {
APIERROR(myOperation->getNdbError());
exit(-1);
}
return myTransaction->execute(NdbTransaction::NoCommit);
}
//
// Execute function which re-executes (tries 10 times) the transaction
// if there are temporary errors (e.g. the NDB Cluster is overloaded).
// @return -1 failure, 1 success
//
int executeInsertTransaction(int transactionId, Ndb* myNdb,
const NdbDictionary::Table *myTable) {
int result = 0; // No result yet
int noOfRetriesLeft = 10;
NdbTransaction *myTransaction; // For other transactions
NdbError ndberror;
while (noOfRetriesLeft > 0 && !result) {
/*********************************
* Start and execute transaction *
*********************************/
myTransaction = myNdb->startTransaction();
if (myTransaction == NULL) {
APIERROR(myNdb->getNdbError());
ndberror = myNdb->getNdbError();
result = -1; // Failure
} else if (insert(transactionId, myTransaction, myTable) ||
insert(10000+transactionId, myTransaction, myTable) ||
myTransaction->execute(NdbTransaction::Commit)) {
TRANSERROR(myTransaction);
ndberror = myTransaction->getNdbError();
result = -1; // Failure
} else {
result = 1; // Success
}
/**********************************
* If failure, then analyze error *
**********************************/
if (result == -1) {
switch (ndberror.status) {
case NdbError::Success:
break;
case NdbError::TemporaryError:
std::cout << "Retrying transaction..." << std::endl;
sleep(TIME_TO_SLEEP_BETWEEN_TRANSACTION_RETRIES);
--noOfRetriesLeft;
result = 0; // No completed transaction yet
break;
case NdbError::UnknownResult:
case NdbError::PermanentError:
std::cout << "No retry of transaction..." << std::endl;
result = -1; // Permanent failure
break;
}
}
/*********************
* Close transaction *
*********************/
if (myTransaction != NULL) {
myNdb->closeTransaction(myTransaction);
}
}
if (result != 1) exit(-1);
return result;
}
int main()
{
ndb_init();
Ndb_cluster_connection *cluster_connection=
new Ndb_cluster_connection(); // Object representing the cluster
int r= cluster_connection->connect(5 /* retries */,
3 /* delay between retries */,
1 /* verbose */);
if (r > 0)
{
std::cout
<< "Cluster connect failed, possibly resolved with more retries.\n";
exit(-1);
}
else if (r < 0)
{
std::cout
<< "Cluster connect failed.\n";
exit(-1);
}
if (cluster_connection->wait_until_ready(30,30))
{
std::cout << "Cluster was not ready within 30 secs." << std::endl;
exit(-1);
}
Ndb* myNdb= new Ndb( cluster_connection,
"TEST_DB_1" ); // Object representing the database
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());
return -1;
}
/************************************
* Execute some insert transactions *
************************************/
for (int i = 10000; i < 20000; i++) {
executeInsertTransaction(i, myNdb, myTable);
}
delete myNdb;
delete cluster_connection;
ndb_end(0);
return 0;
}
storage/ndb/ndbapi-examples/ndbapi_scan_example/Makefile deleted 100644 → 0
View file @ 519ebe2b
TARGET = ndbapi_scan
SRCS = $(TARGET).cpp
OBJS = $(TARGET).o
CXX = g++
CFLAGS = -g -c -Wall -fno-rtti -fno-exceptions
CXXFLAGS = -g
DEBUG =
LFLAGS = -Wall
TOP_SRCDIR = ../../../..
INCLUDE_DIR = $(TOP_SRCDIR)
LIB_DIR = -L$(TOP_SRCDIR)/storage/ndb/src/.libs \
-L$(TOP_SRCDIR)/libmysql_r/.libs \
-L$(TOP_SRCDIR)/mysys -L$(TOP_SRCDIR)/strings
SYS_LIB =
$(TARGET): $(OBJS)
$(CXX) $(CXXFLAGS) $(LFLAGS) $(LIB_DIR) $(OBJS) -lndbclient -lmysqlclient_r -lmysys -lmystrings -lz $(SYS_LIB) -o $(TARGET)
$(TARGET).o: $(SRCS)
$(CXX) $(CFLAGS) -I$(INCLUDE_DIR)/include -I$(INCLUDE_DIR)/extra -I$(INCLUDE_DIR)/storage/ndb/include -I$(INCLUDE_DIR)/storage/ndb/include/ndbapi $(SRCS)
clean:
rm -f *.o $(TARGET)
storage/ndb/ndbapi-examples/ndbapi_scan_example/ndbapi_scan.cpp deleted 100644 → 0
View file @ 519ebe2b
/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/*
* ndbapi_scan.cpp:
* Illustrates how to use the scan api in the NDBAPI.
* The example shows how to do scan, scan for update and scan for delete
* using NdbScanFilter and NdbScanOperation
*
* Classes and methods used in this example:
*
* Ndb_cluster_connection
* connect()
* wait_until_ready()
*
* Ndb
* init()
* getDictionary()
* startTransaction()
* closeTransaction()
*
* NdbTransaction
* getNdbScanOperation()
* execute()
*
* NdbScanOperation
* getValue()
* readTuples()
* nextResult()
* deleteCurrentTuple()
* updateCurrentTuple()
*
* const NdbDictionary::Dictionary
* getTable()
*
* const NdbDictionary::Table
* getColumn()
*
* const NdbDictionary::Column
* getLength()
*
* NdbOperation
* insertTuple()
* equal()
* setValue()
*
* NdbScanFilter
* begin()
* eq()
* end()
*
*/
#include <mysql.h>
#include <mysqld_error.h>
#include <NdbApi.hpp>
// Used for cout
#include <iostream>
#include <stdio.h>
/**
* Helper sleep function
*/
static void
milliSleep(int milliseconds){
struct timeval sleeptime;
sleeptime.tv_sec = milliseconds / 1000;
sleeptime.tv_usec = (milliseconds - (sleeptime.tv_sec * 1000)) * 1000000;
select(0, 0, 0, 0, &sleeptime);
}
/**
* Helper sleep function
*/
#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); }
struct Car
{
/**
* Note memset, so that entire char-fields are cleared
* as all 20 bytes are significant (as type is char)
*/
Car() { memset(this, 0, sizeof(* this)); }
unsigned int reg_no;
char brand[20];
char color[20];
};
/**
* Function to create table
*/
int create_table(MYSQL &mysql)
{
while (mysql_query(&mysql,
"CREATE TABLE"
" GARAGE"
" (REG_NO INT UNSIGNED NOT NULL,"
" BRAND CHAR(20) NOT NULL,"
" COLOR CHAR(20) NOT NULL,"
" PRIMARY KEY USING HASH (REG_NO))"
" ENGINE=NDB"))
{
if (mysql_errno(&mysql) != ER_TABLE_EXISTS_ERROR)
MYSQLERROR(mysql);
std::cout << "MySQL Cluster already has example table: GARAGE. "
<< "Dropping it..." << std::endl;
/**************
* Drop table *
**************/
if (mysql_query(&mysql, "DROP TABLE GARAGE"))
MYSQLERROR(mysql);
}
return 1;
}
int populate(Ndb * myNdb)
{
int i;
Car cars[15];
const NdbDictionary::Dictionary* myDict= myNdb->getDictionary();
const NdbDictionary::Table *myTable= myDict->getTable("GARAGE");
if (myTable == NULL)
APIERROR(myDict->getNdbError());
/**
* Five blue mercedes
*/
for (i = 0; i < 5; i++)
{
cars[i].reg_no = i;
sprintf(cars[i].brand, "Mercedes");
sprintf(cars[i].color, "Blue");
}
/**
* Five black bmw
*/
for (i = 5; i < 10; i++)
{
cars[i].reg_no = i;
sprintf(cars[i].brand, "BMW");
sprintf(cars[i].color, "Black");
}
/**
* Five pink toyotas
*/
for (i = 10; i < 15; i++)
{
cars[i].reg_no = i;
sprintf(cars[i].brand, "Toyota");
sprintf(cars[i].color, "Pink");
}
NdbTransaction* myTrans = myNdb->startTransaction();
if (myTrans == NULL)
APIERROR(myNdb->getNdbError());
for (i = 0; i < 15; i++)
{
NdbOperation* myNdbOperation = myTrans->getNdbOperation(myTable);
if (myNdbOperation == NULL)
APIERROR(myTrans->getNdbError());
myNdbOperation->insertTuple();
myNdbOperation->equal("REG_NO", cars[i].reg_no);
myNdbOperation->setValue("BRAND", cars[i].brand);
myNdbOperation->setValue("COLOR", cars[i].color);
}
int check = myTrans->execute(NdbTransaction::Commit);
myTrans->close();
return check != -1;
}
int scan_delete(Ndb* myNdb,
int column,
const char * color)
{
// Scan all records exclusive and delete
// them one by one
int retryAttempt = 0;
const int retryMax = 10;
int deletedRows = 0;
int check;
NdbError err;
NdbTransaction *myTrans;
NdbScanOperation *myScanOp;
const NdbDictionary::Dictionary* myDict= myNdb->getDictionary();
const NdbDictionary::Table *myTable= myDict->getTable("GARAGE");
if (myTable == NULL)
APIERROR(myDict->getNdbError());
/**
* Loop as long as :
* retryMax not reached
* failed operations due to TEMPORARY erros
*
* Exit loop;
* retyrMax reached
* Permanent error (return -1)
*/
while (true)
{
if (retryAttempt >= retryMax)
{
std::cout << "ERROR: has retried this operation " << retryAttempt
<< " times, failing!" << std::endl;
return -1;
}
myTrans = myNdb->startTransaction();
if (myTrans == NULL)
{
const NdbError err = myNdb->getNdbError();
if (err.status == NdbError::TemporaryError)
{
milliSleep(50);
retryAttempt++;
continue;
}
std::cout << err.message << std::endl;
return -1;
}
/**
* Get a scan operation.
*/
myScanOp = myTrans->getNdbScanOperation(myTable);
if (myScanOp == NULL)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
/**
* Define a result set for the scan.
*/
if(myScanOp->readTuples(NdbOperation::LM_Exclusive) != 0)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
/**
* Use NdbScanFilter to define a search critera
*/
NdbScanFilter filter(myScanOp) ;
if(filter.begin(NdbScanFilter::AND) < 0 ||
filter.cmp(NdbScanFilter::COND_EQ, column, color) < 0 ||
filter.end() < 0)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
/**
* Start scan (NoCommit since we are only reading at this stage);
*/
if(myTrans->execute(NdbTransaction::NoCommit) != 0){
err = myTrans->getNdbError();
if(err.status == NdbError::TemporaryError){
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
milliSleep(50);
continue;
}
std::cout << err.code << std::endl;
std::cout << myTrans->getNdbError().code << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
/**
* start of loop: nextResult(true) means that "parallelism" number of
* rows are fetched from NDB and cached in NDBAPI
*/
while((check = myScanOp->nextResult(true)) == 0){
do
{
if (myScanOp->deleteCurrentTuple() != 0)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
deletedRows++;
/**
* nextResult(false) means that the records
* cached in the NDBAPI are modified before
* fetching more rows from NDB.
*/
} while((check = myScanOp->nextResult(false)) == 0);
/**
* Commit when all cached tuple have been marked for deletion
*/
if(check != -1)
{
check = myTrans->execute(NdbTransaction::Commit);
}
if(check == -1)
{
/**
* Create a new transaction, while keeping scan open
*/
check = myTrans->restart();
}
/**
* Check for errors
*/
err = myTrans->getNdbError();
if(check == -1)
{
if(err.status == NdbError::TemporaryError)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
milliSleep(50);
continue;
}
}
/**
* End of loop
*/
}
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return 0;
}
if(myTrans!=0)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
}
return -1;
}
int scan_update(Ndb* myNdb,
int update_column,
const char * before_color,
const char * after_color)
{
// Scan all records exclusive and update
// them one by one
int retryAttempt = 0;
const int retryMax = 10;
int updatedRows = 0;
int check;
NdbError err;
NdbTransaction *myTrans;
NdbScanOperation *myScanOp;
const NdbDictionary::Dictionary* myDict= myNdb->getDictionary();
const NdbDictionary::Table *myTable= myDict->getTable("GARAGE");
if (myTable == NULL)
APIERROR(myDict->getNdbError());
/**
* Loop as long as :
* retryMax not reached
* failed operations due to TEMPORARY erros
*
* Exit loop;
* retyrMax reached
* Permanent error (return -1)
*/
while (true)
{
if (retryAttempt >= retryMax)
{
std::cout << "ERROR: has retried this operation " << retryAttempt
<< " times, failing!" << std::endl;
return -1;
}
myTrans = myNdb->startTransaction();
if (myTrans == NULL)
{
const NdbError err = myNdb->getNdbError();
if (err.status == NdbError::TemporaryError)
{
milliSleep(50);
retryAttempt++;
continue;
}
std::cout << err.message << std::endl;
return -1;
}
/**
* Get a scan operation.
*/
myScanOp = myTrans->getNdbScanOperation(myTable);
if (myScanOp == NULL)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
/**
* Define a result set for the scan.
*/
if( myScanOp->readTuples(NdbOperation::LM_Exclusive) )
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
/**
* Use NdbScanFilter to define a search critera
*/
NdbScanFilter filter(myScanOp) ;
if(filter.begin(NdbScanFilter::AND) < 0 ||
filter.cmp(NdbScanFilter::COND_EQ, update_column, before_color) <0||
filter.end() <0)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
/**
* Start scan (NoCommit since we are only reading at this stage);
*/
if(myTrans->execute(NdbTransaction::NoCommit) != 0)
{
err = myTrans->getNdbError();
if(err.status == NdbError::TemporaryError){
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
milliSleep(50);
continue;
}
std::cout << myTrans->getNdbError().code << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
/**
* start of loop: nextResult(true) means that "parallelism" number of
* rows are fetched from NDB and cached in NDBAPI
*/
while((check = myScanOp->nextResult(true)) == 0){
do {
/**
* Get update operation
*/
NdbOperation * myUpdateOp = myScanOp->updateCurrentTuple();
if (myUpdateOp == 0)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
updatedRows++;
/**
* do the update
*/
myUpdateOp->setValue(update_column, after_color);
/**
* nextResult(false) means that the records
* cached in the NDBAPI are modified before
* fetching more rows from NDB.
*/
} while((check = myScanOp->nextResult(false)) == 0);
/**
* NoCommit when all cached tuple have been updated
*/
if(check != -1)
{
check = myTrans->execute(NdbTransaction::NoCommit);
}
/**
* Check for errors
*/
err = myTrans->getNdbError();
if(check == -1)
{
if(err.status == NdbError::TemporaryError){
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
milliSleep(50);
continue;
}
}
/**
* End of loop
*/
}
/**
* Commit all prepared operations
*/
if(myTrans->execute(NdbTransaction::Commit) == -1)
{
if(err.status == NdbError::TemporaryError){
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
milliSleep(50);
continue;
}
}
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return 0;
}
if(myTrans!=0)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
}
return -1;
}
int scan_print(Ndb * myNdb)
{
// Scan all records exclusive and update
// them one by one
int retryAttempt = 0;
const int retryMax = 10;
int fetchedRows = 0;
int check;
NdbError err;
NdbTransaction *myTrans;
NdbScanOperation *myScanOp;
/* Result of reading attribute value, three columns:
REG_NO, BRAND, and COLOR
*/
NdbRecAttr * myRecAttr[3];
const NdbDictionary::Dictionary* myDict= myNdb->getDictionary();
const NdbDictionary::Table *myTable= myDict->getTable("GARAGE");
if (myTable == NULL)
APIERROR(myDict->getNdbError());
/**
* Loop as long as :
* retryMax not reached
* failed operations due to TEMPORARY erros
*
* Exit loop;
* retyrMax reached
* Permanent error (return -1)
*/
while (true)
{
if (retryAttempt >= retryMax)
{
std::cout << "ERROR: has retried this operation " << retryAttempt
<< " times, failing!" << std::endl;
return -1;
}
myTrans = myNdb->startTransaction();
if (myTrans == NULL)
{
const NdbError err = myNdb->getNdbError();
if (err.status == NdbError::TemporaryError)
{
milliSleep(50);
retryAttempt++;
continue;
}
std::cout << err.message << std::endl;
return -1;
}
/*
* Define a scan operation.
* NDBAPI.
*/
myScanOp = myTrans->getNdbScanOperation(myTable);
if (myScanOp == NULL)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
/**
* Read without locks, without being placed in lock queue
*/
if( myScanOp->readTuples(NdbOperation::LM_CommittedRead) == -1)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
/**
* Define storage for fetched attributes.
* E.g., the resulting attributes of executing
* myOp->getValue("REG_NO") is placed in myRecAttr[0].
* No data exists in myRecAttr until transaction has commited!
*/
myRecAttr[0] = myScanOp->getValue("REG_NO");
myRecAttr[1] = myScanOp->getValue("BRAND");
myRecAttr[2] = myScanOp->getValue("COLOR");
if(myRecAttr[0] ==NULL || myRecAttr[1] == NULL || myRecAttr[2]==NULL)
{
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
/**
* Start scan (NoCommit since we are only reading at this stage);
*/
if(myTrans->execute(NdbTransaction::NoCommit) != 0){
err = myTrans->getNdbError();
if(err.status == NdbError::TemporaryError){
std::cout << myTrans->getNdbError().message << std::endl;
myNdb->closeTransaction(myTrans);
milliSleep(50);
continue;
}
std::cout << err.code << std::endl;
std::cout << myTrans->getNdbError().code << std::endl;
myNdb->closeTransaction(myTrans);
return -1;
}
/**
* start of loop: nextResult(true) means that "parallelism" number of
* rows are fetched from NDB and cached in NDBAPI
*/
while((check = myScanOp->nextResult(true)) == 0){
do {
fetchedRows++;
/**
* print REG_NO unsigned int
*/
std::cout << myRecAttr[0]->u_32_value() << "\t";
/**
* print BRAND character string
*/
std::cout << myRecAttr[1]->aRef() << "\t";
/**
* print COLOR character string
*/
std::cout << myRecAttr[2]->aRef() << std::endl;
/**
* nextResult(false) means that the records
* cached in the NDBAPI are modified before
* fetching more rows from NDB.
*/
} while((check = myScanOp->nextResult(false)) == 0);
}
myNdb->closeTransaction(myTrans);
return 1;
}
return -1;
}
int main()
{
ndb_init();
MYSQL mysql;
/**************************************************************
* Connect to mysql server and create table *
**************************************************************/
{
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");
if (mysql_query(&mysql, "USE TEST_DB") != 0) MYSQLERROR(mysql);
create_table(mysql);
}
/**************************************************************
* Connect to ndb cluster *
**************************************************************/
Ndb_cluster_connection cluster_connection;
if (cluster_connection.connect(4, 5, 1))
{
std::cout << "Unable to connect to cluster within 30 secs." << std::endl;
exit(-1);
}
// Optionally connect and wait for the storage nodes (ndbd's)
if (cluster_connection.wait_until_ready(30,0) < 0)
{
std::cout << "Cluster was not ready within 30 secs.\n";
exit(-1);
}
Ndb myNdb(&cluster_connection,"TEST_DB");
if (myNdb.init(1024) == -1) { // Set max 1024 parallel transactions
APIERROR(myNdb.getNdbError());
exit(-1);
}
/*******************************************
* Check table definition *
*******************************************/
int column_color;
{
const NdbDictionary::Dictionary* myDict= myNdb.getDictionary();
const NdbDictionary::Table *t= myDict->getTable("GARAGE");
Car car;
if (t->getColumn("COLOR")->getLength() != sizeof(car.color) ||
t->getColumn("BRAND")->getLength() != sizeof(car.brand))
{
std::cout << "Wrong table definition" << std::endl;
exit(-1);
}
column_color= t->getColumn("COLOR")->getColumnNo();
}
if(populate(&myNdb) > 0)
std::cout << "populate: Success!" << std::endl;
if(scan_print(&myNdb) > 0)
std::cout << "scan_print: Success!" << std::endl << std::endl;
std::cout << "Going to delete all pink cars!" << std::endl;
{
/**
* Note! color needs to be of exact the same size as column defined
*/
Car tmp;
sprintf(tmp.color, "Pink");
if(scan_delete(&myNdb, column_color, tmp.color) > 0)
std::cout << "scan_delete: Success!" << std::endl << std::endl;
}
if(scan_print(&myNdb) > 0)
std::cout << "scan_print: Success!" << std::endl << std::endl;
{
/**
* Note! color1 & 2 need to be of exact the same size as column defined
*/
Car tmp1, tmp2;
sprintf(tmp1.color, "Blue");
sprintf(tmp2.color, "Black");
std::cout << "Going to update all " << tmp1.color
<< " cars to " << tmp2.color << " cars!" << std::endl;
if(scan_update(&myNdb, column_color, tmp1.color, tmp2.color) > 0)
std::cout << "scan_update: Success!" << std::endl << std::endl;
}
if(scan_print(&myNdb) > 0)
std::cout << "scan_print: Success!" << std::endl << std::endl;
return 0;
}
storage/ndb/ndbapi-examples/ndbapi_scan_example/readme.txt deleted 100644 → 0
View file @ 519ebe2b
1. Set NDB_OS in Makefile
2. Add path to libNDB_API.so in LD_LIBRARY_PATH
3. Set NDB_CONNECTSTRING
storage/ndb/ndbapi-examples/ndbapi_simple_example/Makefile deleted 100644 → 0
View file @ 519ebe2b
TARGET = ndbapi_simple
SRCS = $(TARGET).cpp
OBJS = $(TARGET).o
CXX = g++
CFLAGS = -c -Wall -fno-rtti -fno-exceptions
CXXFLAGS =
DEBUG =
LFLAGS = -Wall
TOP_SRCDIR = ../../../..
INCLUDE_DIR = $(TOP_SRCDIR)/storage/ndb/include
LIB_DIR = -L$(TOP_SRCDIR)/storage/ndb/src/.libs \
-L$(TOP_SRCDIR)/libmysql_r/.libs \
-L$(TOP_SRCDIR)/mysys -L$(TOP_SRCDIR)/strings
SYS_LIB =
$(TARGET): $(OBJS)
$(CXX) $(CXXFLAGS) $(LFLAGS) $(LIB_DIR) $(OBJS) -lndbclient -lmysqlclient_r -lmysys -lmystrings -lz $(SYS_LIB) -o $(TARGET)
$(TARGET).o: $(SRCS)
$(CXX) $(CFLAGS) -I$(TOP_SRCDIR)/include -I$(INCLUDE_DIR) -I$(INCLUDE_DIR)/ndbapi $(SRCS)
clean:
rm -f *.o $(TARGET)
storage/ndb/ndbapi-examples/ndbapi_simple_example/ndbapi_simple.cpp deleted 100644 → 0
View file @ 519ebe2b
/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/*
* ndbapi_simple.cpp: Using synchronous transactions in NDB API
*
* Correct output from this program is:
*
* ATTR1 ATTR2
* 0 10
* 1 1
* 2 12
* Detected that deleted tuple doesn't exist!
* 4 14
* 5 5
* 6 16
* 7 7
* 8 18
* 9 9
*
*/
#include <mysql.h>
#include <NdbApi.hpp>
// Used for cout
#include <stdio.h>
#include <iostream>
static void run_application(MYSQL &, Ndb_cluster_connection &);
#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 must be called first
ndb_init();
// connect to mysql server and cluster and run application
{
// Object representing the cluster
Ndb_cluster_connection cluster_connection;
// Connect to cluster management server (ndb_mgmd)
if (cluster_connection.connect(4 /* retries */,
5 /* delay between retries */,
1 /* verbose */))
{
std::cout << "Cluster management server was not ready within 30 secs.\n";
exit(-1);
}
// Optionally connect and wait for the storage nodes (ndbd's)
if (cluster_connection.wait_until_ready(30,0) < 0)
{
std::cout << "Cluster was not ready within 30 secs.\n";
exit(-1);
}
// connect to mysql server
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);
// run the application code
run_application(mysql, cluster_connection);
}
ndb_end(0);
std::cout << "\nTo drop created table use:\n"
<< "echo \"drop table MYTABLENAME\" | mysql TEST_DB_1 -u root\n";
return 0;
}
static void create_table(MYSQL &);
static void do_insert(Ndb &);
static void do_update(Ndb &);
static void do_delete(Ndb &);
static void do_read(Ndb &);
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 different operations on database
*/
do_insert(myNdb);
do_update(myNdb);
do_delete(myNdb);
do_read(myNdb);
}
/*********************************************************
* Create a table named MYTABLENAME if it does not exist *
*********************************************************/
static void create_table(MYSQL &mysql)
{
if (mysql_query(&mysql,
"CREATE TABLE"
" MYTABLENAME"
" (ATTR1 INT UNSIGNED NOT NULL PRIMARY KEY,"
" ATTR2 INT UNSIGNED NOT NULL)"
" ENGINE=NDB"))
MYSQLERROR(mysql);
}
/**************************************************************************
* Using 5 transactions, insert 10 tuples in table: (0,0),(1,1),...,(9,9) *
**************************************************************************/
static void do_insert(Ndb &myNdb)
{
const NdbDictionary::Dictionary* myDict= myNdb.getDictionary();
const NdbDictionary::Table *myTable= myDict->getTable("MYTABLENAME");
if (myTable == 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);
}
}
/*****************************************************************
* Update the second attribute in half of the tuples (adding 10) *
*****************************************************************/
static void do_update(Ndb &myNdb)
{
const NdbDictionary::Dictionary* myDict= myNdb.getDictionary();
const NdbDictionary::Table *myTable= myDict->getTable("MYTABLENAME");
if (myTable == NULL)
APIERROR(myDict->getNdbError());
for (int i = 0; i < 10; i+=2) {
NdbTransaction *myTransaction= myNdb.startTransaction();
if (myTransaction == NULL) APIERROR(myNdb.getNdbError());
NdbOperation *myOperation= myTransaction->getNdbOperation(myTable);
if (myOperation == NULL) APIERROR(myTransaction->getNdbError());
myOperation->updateTuple();
myOperation->equal( "ATTR1", i );
myOperation->setValue( "ATTR2", i+10);
if( myTransaction->execute( NdbTransaction::Commit ) == -1 )
APIERROR(myTransaction->getNdbError());
myNdb.closeTransaction(myTransaction);
}
}
/*************************************************
* Delete one tuple (the one with primary key 3) *
*************************************************/
static void do_delete(Ndb &myNdb)
{
const NdbDictionary::Dictionary* myDict= myNdb.getDictionary();
const NdbDictionary::Table *myTable= myDict->getTable("MYTABLENAME");
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->deleteTuple();
myOperation->equal( "ATTR1", 3 );
if (myTransaction->execute(NdbTransaction::Commit) == -1)
APIERROR(myTransaction->getNdbError());
myNdb.closeTransaction(myTransaction);
}
/*****************************
* Read and print all tuples *
*****************************/
static void do_read(Ndb &myNdb)
{
const NdbDictionary::Dictionary* myDict= myNdb.getDictionary();
const NdbDictionary::Table *myTable= myDict->getTable("MYTABLENAME");
if (myTable == NULL)
APIERROR(myDict->getNdbError());
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!" << std::endl;
} else {
APIERROR(myTransaction->getNdbError());
}
if (i != 3) {
printf(" %2d %2d\n", i, myRecAttr->u_32_value());
}
myNdb.closeTransaction(myTransaction);
}
}
storage/ndb/ndbapi-examples/ndbapi_simple_index_example/Makefile deleted 100644 → 0
View file @ 519ebe2b
TARGET = ndbapi_simple_index
SRCS = $(TARGET).cpp
OBJS = $(TARGET).o
CXX = g++
CFLAGS = -c -Wall -fno-rtti -fno-exceptions
CXXFLAGS =
DEBUG =
LFLAGS = -Wall
TOP_SRCDIR = ../../../..
INCLUDE_DIR = $(TOP_SRCDIR)
LIB_DIR = -L$(TOP_SRCDIR)/storage/ndb/src/.libs \
-L$(TOP_SRCDIR)/libmysql_r/.libs \
-L$(TOP_SRCDIR)/mysys -L$(TOP_SRCDIR)/strings
SYS_LIB =
$(TARGET): $(OBJS)
$(CXX) $(CXXFLAGS) $(LFLAGS) $(LIB_DIR) $(OBJS) -lndbclient -lmysqlclient_r -lmysys -lmystrings -lz $(SYS_LIB) -o $(TARGET)
$(TARGET).o: $(SRCS)
$(CXX) $(CFLAGS) -I$(INCLUDE_DIR)/include -I$(INCLUDE_DIR)/storage/ndb/include -I$(INCLUDE_DIR)/storage/ndb/include/ndbapi $(SRCS)
clean:
rm -f *.o $(TARGET)
storage/ndb/ndbapi-examples/ndbapi_simple_index_example/ndbapi_simple_index.cpp deleted 100644 → 0
View file @ 519ebe2b
/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
//
// ndbapi_simple_index.cpp: Using secondary indexes in NDB API
//
// Correct output from this program is:
//
// ATTR1 ATTR2
// 0 10
// 1 1
// 2 12
// Detected that deleted tuple doesn't exist!
// 4 14
// 5 5
// 6 16
// 7 7
// 8 18
// 9 9
#include <mysql.h>
#include <NdbApi.hpp>
// Used for cout
#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;
/**************************************************************
* Connect to mysql server and create table *
**************************************************************/
{
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);
}
/**************************************************************
* Connect to ndb cluster *
**************************************************************/
Ndb_cluster_connection *cluster_connection=
new Ndb_cluster_connection(); // Object representing the cluster
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" ); // Object representing the database
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());
/**************************************************************************
* Using 5 transactions, insert 10 tuples in table: (0,0),(1,1),...,(9,9) *
**************************************************************************/
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);
}
/*****************************************
* Read and print all tuples using index *
*****************************************/
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);
}
/*****************************************************************
* Update the second attribute in half of the tuples (adding 10) *
*****************************************************************/
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);
}
/*************************************************
* Delete one tuple (the one with primary key 3) *
*************************************************/
{
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);
}
/*****************************
* Read and print all tuples *
*****************************/
{
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);
}
}
/**************
* Drop table *
**************/
if (mysql_query(&mysql, "DROP TABLE MYTABLENAME"))
MYSQLERROR(mysql);
delete myNdb;
delete cluster_connection;
ndb_end(0);
return 0;
}
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