int HugoOperations::setValueForAttr(NdbOperation* pOp,
int attrId,
int rowId,
int updateId){
const NdbDictionary::Column* attr = tab.getColumn(attrId);
if (! (attr->getType() == NdbDictionary::Column::Blob))
{
int len = attr->getSizeInBytes();
char buf[NDB_MAX_TUPLE_SIZE];
memset(buf, 0, sizeof(buf));
Uint32 real_len;
const char * value = calc.calcValue(rowId, attrId,
updateId, buf, len, &real_len);
return pOp->setValue( attr->getName(), value, real_len);
}
else
{
char buf[32000];
int len = (int)sizeof(buf);
Uint32 real_len;
const char * value = calc.calcValue(rowId, attrId,
updateId, buf, len, &real_len);
NdbBlob * b = pOp->getBlobHandle(attrId);
if (b == 0)
return -1;
if (real_len == 0)
return b->setNull();
else
return b->setValue(value, real_len);
}
}
/* set all the unique attrs of this objectclass into the table
*/
extern "C" int
ndb_oc_attrs(
NdbTransaction *txn,
const NdbDictionary::Table *myTable,
Entry *e,
NdbOcInfo *no,
NdbAttrInfo **attrs,
int nattrs,
Attribute *old
)
{
char buf[65538], *ptr;
Attribute **an, **ao, *a;
NdbOperation *myop;
int i, j, max = 0;
int changed, rc;
Uint64 eid = e->e_id;
if ( !nattrs )
return 0;
an = (Attribute **)ch_malloc( 2 * nattrs * sizeof(Attribute *));
ao = an + nattrs;
/* Turn lists of attrs into arrays for easier access */
for ( i=0; i<nattrs; i++ ) {
if ( attrs[i]->na_oi != no ) {
an[i] = NULL;
ao[i] = NULL;
continue;
}
for ( a=e->e_attrs; a; a=a->a_next ) {
if ( a->a_desc == slap_schema.si_ad_objectClass )
continue;
if ( a->a_desc->ad_type == attrs[i]->na_attr ) {
/* Don't process same attr twice */
if ( a->a_flags & SLAP_ATTR_IXADD )
a = NULL;
else
a->a_flags |= SLAP_ATTR_IXADD;
break;
}
}
an[i] = a;
if ( a && a->a_numvals > max )
max = a->a_numvals;
for ( a=old; a; a=a->a_next ) {
if ( a->a_desc == slap_schema.si_ad_objectClass )
continue;
if ( a->a_desc->ad_type == attrs[i]->na_attr )
break;
}
ao[i] = a;
if ( a && a->a_numvals > max )
max = a->a_numvals;
}
for ( i=0; i<max; i++ ) {
myop = NULL;
for ( j=0; j<nattrs; j++ ) {
if ( !an[j] && !ao[j] )
continue;
changed = 0;
if ( an[j] && an[j]->a_numvals > i ) {
/* both old and new are present, compare for changes */
if ( ao[j] && ao[j]->a_numvals > i ) {
if ( ber_bvcmp( &ao[j]->a_nvals[i], &an[j]->a_nvals[i] ))
changed = V_REP;
} else {
changed = V_INS;
}
} else {
if ( ao[j] && ao[j]->a_numvals > i )
changed = V_DEL;
}
if ( changed ) {
if ( !myop ) {
rc = LDAP_OTHER;
myop = txn->getNdbOperation( myTable );
if ( !myop ) {
goto done;
}
if ( old ) {
if ( myop->writeTuple()) {
goto done;
}
} else {
if ( myop->insertTuple()) {
goto done;
}
}
if ( myop->equal( EID_COLUMN, eid )) {
goto done;
}
if ( myop->equal( VID_COLUMN, i )) {
goto done;
}
}
if ( attrs[j]->na_flag & NDB_INFO_ATBLOB ) {
NdbBlob *myBlob = myop->getBlobHandle( attrs[j]->na_column );
rc = LDAP_OTHER;
if ( !myBlob ) {
Debug( LDAP_DEBUG_TRACE, "ndb_oc_attrs: getBlobHandle failed %s (%d)\n",
myop->getNdbError().message, myop->getNdbError().code, 0 );
goto done;
}
if ( slapMode & SLAP_TOOL_MODE )
ndb_flush_blobs = 1;
if ( changed & V_INS ) {
if ( myBlob->setValue( an[j]->a_vals[i].bv_val, an[j]->a_vals[i].bv_len )) {
Debug( LDAP_DEBUG_TRACE, "ndb_oc_attrs: blob->setValue failed %s (%d)\n",
myBlob->getNdbError().message, myBlob->getNdbError().code, 0 );
goto done;
}
} else {
if ( myBlob->setValue( NULL, 0 )) {
Debug( LDAP_DEBUG_TRACE, "ndb_oc_attrs: blob->setValue failed %s (%d)\n",
myBlob->getNdbError().message, myBlob->getNdbError().code, 0 );
goto done;
}
}
} else {
if ( changed & V_INS ) {
if ( an[j]->a_vals[i].bv_len > attrs[j]->na_len ) {
Debug( LDAP_DEBUG_ANY, "ndb_oc_attrs: attribute %s too long for column\n",
attrs[j]->na_name.bv_val, 0, 0 );
rc = LDAP_CONSTRAINT_VIOLATION;
goto done;
}
ptr = buf;
*ptr++ = an[j]->a_vals[i].bv_len & 0xff;
if ( attrs[j]->na_len > 255 ) {
/* MedVar */
*ptr++ = an[j]->a_vals[i].bv_len >> 8;
}
memcpy( ptr, an[j]->a_vals[i].bv_val, an[j]->a_vals[i].bv_len );
ptr = buf;
} else {
ptr = NULL;
}
if ( myop->setValue( attrs[j]->na_column, ptr )) {
rc = LDAP_OTHER;
goto done;
}
}
}
}
int main(int argc, char* argv[])
{
// setlocale(LC_ALL, "");
if (argc < 2) {
printf("No connection string specified.\n");
print_help();
return -1;
}
if (argc < 3) {
printf("No database specified.\n");
print_help();
return -1;
}
if (argc < 4) {
printf("No filepath specified.\n");
print_help();
return -1;
}
if (argc < 5) {
printf("No table format file specified.\n");
print_help();
return -1;
}
if (argc >= 6) {
tNoOfParallelTrans = atoi(argv[5]);
}
if (argc >= 7) {
sleepTimeMilli = atoi(argv[6]);
}
strcpy(connstring, argv[1]);
strcpy(database, argv[2]);
strcpy(filepath, argv[3]);
strcpy(tablefilepath, argv[4]);
ifstream fin(tablefilepath);
// first line is table name.
string tmpTableName;
getline(fin, tmpTableName);
strcpy(tablename, tmpTableName.c_str());
// find a "nokey" in table name
istringstream lineReader(tmpTableName);
string firstpart;
if( getline(lineReader, firstpart, ' ') )
{
// printf("first part: %s", firstpart.c_str());
string secondpart;
if( getline(lineReader, secondpart) ) {
// "firstpart secondpart"
if (secondpart != NOKEY_IDENTIFIER) {
cerr << "ERROR: could not recognize identifier: " << secondpart << endl;
cerr << "Do you mean: '" << NOKEY_IDENTIFIER << "'?"<< endl;
exit(-1);
} else {
noKey = true;
}
// printf("Attr: %s %s\n", key.c_str(), value.c_str());
}
strcpy(tablename, firstpart.c_str());
}
// Initialize transaction array
for(int i = 0 ; i < MAXTRANS ; i++)
{
transaction[i].used = 0;
transaction[i].conn = 0;
}
// each line is a column
for (string row; getline(fin, row); ) {
istringstream lineReader(row);
string key;
if( getline(lineReader, key, ' ') )
{
string value;
if( getline(lineReader, value) ) {
// "key value"
fieldName.push_back(key);
fieldType.push_back(value);
// printf("Attr: %s %s\n", key.c_str(), value.c_str());
}
}
}
fin.close();
Ndb_cluster_connection *conn = connect_to_cluster(connstring);
Ndb* ndb = new Ndb(conn, database);
if (ndb->init(1024) == -1)
{
// pass
}
ndb->waitUntilReady(10000);
printf("Connected: database [%s], connstr [%s], #parallelTrans=[%d]. Load table [%s] from file [%s]...\n", database, connstring, tNoOfParallelTrans, tablename, filepath);
// do_insert(*ndb);
const NdbDictionary::Dictionary* myDict= ndb->getDictionary();
// printf("table name: %s\n", tablename);
const NdbDictionary::Table *myTable= myDict->getTable(tablename);
if (myTable == NULL)
APIERROR(myDict->getNdbError());
// Load the data
bool dataleft = false;
typedef vector<vector<string> > Rows;
// Rows rows;
ifstream input(filepath);
char const row_delim = '\n';
char const field_delim = '\t';
int rowCounter = 0;
for (string row; getline(input, row, row_delim); ) {
// Find a slot in the transaction array
async_callback_t * cb;
// int retries = 0;
int current = -1;
int cursor = transTail + 1;
if (cursor >= MAXTRANS) {
cursor = 0;
}
for(int retries = 0; retries < MAX_TRANSALLOC_RETRY; retries++) {
// for(int cursor=0; cursor < MAXTRANS; cursor++)
while(true)
{
if(transaction[cursor].used == 0)
{
current = cursor;
cb = new async_callback_t;
/**
* Set data used by the callback
*/
cb->ndb = ndb; //handle to Ndb object so that we can close transaction
// in the callback (alt. make myNdb global).
cb->transaction = current; //This is the number (id) of this transaction
transaction[current].used = 1 ; //Mark the transaction as used
transTail = current; // optimizing scan
break;
}
else { // used
cursor += 1;
if (cursor >= MAXTRANS) {
cursor = 0;
}
}
}
if(current == -1) {
cerr << "WARNING: Number of transactions in parallel exceeds the maximum. retrying..." << endl;
usleep(1000);
continue;
} else {
break;
}
}
transaction[current].conn = ndb->startTransaction();
istringstream ss(row);
// NdbOperation *myOperation= myTransaction->getNdbOperation(myTable);
NdbOperation *myOperation= transaction[current].conn->getNdbOperation(myTable);
myOperation->insertTuple();
// If no primary key is assigned, have to set the tupleId explicitly
if (noKey) {
unsigned long long tupleId = 0;
// int
// Ndb::getAutoIncrementValue(const char* aTableName,
// Uint64 & autoValue, Uint32 cacheSize,
// Uint64 step, Uint64 start)
if (ndb->getAutoIncrementValue(myTable, tupleId, TUPLEID_FETCH_SIZE, 1, 1) != 0) {
cerr << "Error occurs while getting tupleID to insert.\n";
exit(-1);
}
myOperation->equal("$PK", tupleId);
//if (tupleId % 10000 == 0) {
// cerr <<"DEBUG: set tupleID to " << tupleId << endl;
//}
}
// Iterate for each field
int i = 0;
for (string field; getline(ss, field, field_delim); i++) {
// For NULL value, do not set value for this field
if (strcmp(field.c_str(), "\\N") == 0) {
continue;
}
if (strcmp(fieldType[i].c_str(), "int") == 0) {
// using a int64 to prevent problems..
long long value = atoll(field.c_str());
myOperation->setValue(fieldName[i].c_str(), value);
}
if (strcmp(fieldType[i].c_str(), "real") == 0) {
double value = atof(field.c_str());
myOperation->setValue(fieldName[i].c_str(), value);
}
if (strcmp(fieldType[i].c_str(), "varchar") == 0) {
char buffer[65535] = {};
make_ndb_varchar(buffer, field.c_str());
myOperation->setValue(fieldName[i].c_str(), buffer);
}
if (strcmp(fieldType[i].c_str(), "char") == 0) {
char buffer[65535] = {};
make_ndb_char(buffer, field.c_str());
myOperation->setValue(fieldName[i].c_str(), buffer);
// myOperation->setValue(fieldName[i].c_str(), field.c_str());
}
if (strcmp(fieldType[i].c_str(), "boolean") == 0) {
int value = atoi(field.c_str());
myOperation->setValue(fieldName[i].c_str(), value);
}
if (strcmp(fieldType[i].c_str(), "text") == 0) {
NdbBlob *myBlobHandle = myOperation->getBlobHandle(fieldName[i].c_str());
if (myBlobHandle == NULL) {
cerr << "Hint: in the TSV file any TEXT/BLOB attribute must come after the primary key column.\n";
APIERROR(myOperation->getNdbError());
}
myBlobHandle->setValue(field.c_str(), field.length());
// myBlobHandle->setNull();
}
}
transaction[current].conn->executeAsynchPrepare( NdbTransaction::Commit,
&callback,
cb
);
nPreparedTransactions++;
rowCounter++;
dataleft = true;
/**
* 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 >= tNoOfParallelTrans)
{
// send-poll all transactions
// close transaction is done in callback
ndb->sendPollNdb(3000, tNoOfParallelTrans );
nPreparedTransactions=0;
dataleft = false;
usleep(sleepTimeMilli);
}
// The SYNC way that can set multiple operations in one commit:
// if (myTransaction->execute( NdbTransaction::NoCommit ) == -1)
// APIERROR(myTransaction->getNdbError());
// if (rowCounter % TRANACTION_SIZE == 0) {
// // commit
// if (myTransaction->execute( NdbTransaction::Commit ) == -1)
// APIERROR(myTransaction->getNdbError());
// ndb->closeTransaction(myTransaction);
// myTransaction = ndb->startTransaction();
// dataleft = false;
// }
}
if (dataleft) {
ndb->sendPollNdb(3000, nPreparedTransactions );
nPreparedTransactions=0;
// SYNC way
// if (myTransaction->execute( NdbTransaction::Commit ) == -1)
// APIERROR(myTransaction->getNdbError());
// ndb->closeTransaction(myTransaction);
}
ndb->waitUntilReady(10000);
delete ndb;
disconnect_from_cluster(conn);
return EXIT_SUCCESS;
}
