CqlRecordWriter(Configuration conf) {
this.conf = conf;
this.queueSize =
conf.getInt(ColumnFamilyOutputFormat.QUEUE_SIZE, 32 * FBUtilities.getAvailableProcessors());
batchThreshold = conf.getLong(ColumnFamilyOutputFormat.BATCH_THRESHOLD, 32);
this.clients = new HashMap<>();
try {
String keyspace = ConfigHelper.getOutputKeyspace(conf);
try (Session client =
CqlConfigHelper.getOutputCluster(ConfigHelper.getOutputInitialAddress(conf), conf)
.connect(keyspace)) {
ringCache = new NativeRingCache(conf);
if (client != null) {
TableMetadata tableMetadata =
client
.getCluster()
.getMetadata()
.getKeyspace(client.getLoggedKeyspace())
.getTable(ConfigHelper.getOutputColumnFamily(conf));
clusterColumns = tableMetadata.getClusteringColumns();
partitionKeyColumns = tableMetadata.getPartitionKey();
String cqlQuery = CqlConfigHelper.getOutputCql(conf).trim();
if (cqlQuery.toLowerCase().startsWith("insert"))
throw new UnsupportedOperationException(
"INSERT with CqlRecordWriter is not supported, please use UPDATE/DELETE statement");
cql = appendKeyWhereClauses(cqlQuery);
} else {
throw new IllegalArgumentException("Invalid configuration specified " + conf);
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
