void BackupRestore::tuple(const TupleS & tup) { if (!m_restore) return; while (1) { NdbTransaction * trans = m_ndb->startTransaction(); if (trans == NULL) { // Deep shit, TODO: handle the error ndbout << "Cannot start transaction" << endl; exitHandler(); } // if const TableS * table = tup.getTable(); NdbOperation * op = trans->getNdbOperation(table->getTableName()); if (op == NULL) { ndbout << "Cannot get operation: "; ndbout << trans->getNdbError() << endl; exitHandler(); } // if // TODO: check return value and handle error if (op->writeTuple() == -1) { ndbout << "writeTuple call failed: "; ndbout << trans->getNdbError() << endl; exitHandler(); } // if for (int i = 0; i < tup.getNoOfAttributes(); i++) { const AttributeS * attr = tup[i]; int size = attr->Desc->size; int arraySize = attr->Desc->arraySize; const char * dataPtr = attr->Data.string_value; const Uint32 length = (size * arraySize) / 8; if (attr->Desc->m_column->getPrimaryKey()) op->equal(i, dataPtr, length); } for (int i = 0; i < tup.getNoOfAttributes(); i++) { const AttributeS * attr = tup[i]; int size = attr->Desc->size; int arraySize = attr->Desc->arraySize; const char * dataPtr = attr->Data.string_value; const Uint32 length = (size * arraySize) / 8; if (!attr->Desc->m_column->getPrimaryKey()) if (attr->Data.null) op->setValue(i, NULL, 0); else op->setValue(i, dataPtr, length); } int ret = trans->execute(NdbTransaction::Commit); if (ret != 0) { ndbout << "execute failed: "; ndbout << trans->getNdbError() << endl; exitHandler(); } m_ndb->closeTransaction(trans); if (ret == 0) break; } m_dataCount++; }
/* 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; } } } }
void BackupRestore::tuple_a(restore_callback_t *cb) { while (cb->retries < 10) { /** * start transactions */ cb->connection = m_ndb->startTransaction(); if (cb->connection == NULL) { if (errorHandler(cb)) { m_ndb->sendPollNdb(3000, 1); continue; } exitHandler(); } // if const TupleS &tup = cb->tup; const NdbDictionary::Table * table = get_table(tup.getTable()->m_dictTable); NdbOperation * op = cb->connection->getNdbOperation(table); if (op == NULL) { if (errorHandler(cb)) continue; exitHandler(); } // if if (op->writeTuple() == -1) { if (errorHandler(cb)) continue; exitHandler(); } // if int ret = 0; for (int j = 0; j < 2; j++) { for (int i = 0; i < tup.getNoOfAttributes(); i++) { const AttributeDesc * attr_desc = tup.getDesc(i); const AttributeData * attr_data = tup.getData(i); int size = attr_desc->size; int arraySize = attr_desc->arraySize; char * dataPtr = attr_data->string_value; Uint32 length = (size * arraySize) / 8; if (j == 0 && tup.getTable()->have_auto_inc(i)) tup.getTable()->update_max_auto_val(dataPtr,size*arraySize); if (attr_desc->m_column->getPrimaryKey()) { if (j == 1) continue; ret = op->equal(i, dataPtr, length); } else { if (j == 0) continue; if (attr_data->null) ret = op->setValue(i, NULL, 0); else ret = op->setValue(i, dataPtr, length); } if (ret < 0) { ndbout_c("Column: %d type %d %d %d %d",i, attr_desc->m_column->getType(), size, arraySize, attr_data->size); break; } } if (ret < 0) break; } if (ret < 0) { if (errorHandler(cb)) continue; exitHandler(); } // Prepare transaction (the transaction is NOT yet sent to NDB) cb->connection->executeAsynchPrepare(NdbTransaction::Commit, &callback, cb); m_transactions++; return; } err << "Retried transaction " << cb->retries << " times.\nLast error" << m_ndb->getNdbError(cb->error_code) << endl << "...Unable to recover from errors. Exiting..." << endl; exitHandler(); }