static ColumnMetadata build(TableMetadata tm, Row row) {
try {
String name = row.getString(COLUMN_NAME);
AbstractType<?> t = TypeParser.parse(row.getString(VALIDATOR));
ColumnMetadata cm = new ColumnMetadata(tm, name, Codec.rawTypeToDataType(t), row);
tm.add(cm);
return cm;
} catch (RequestValidationException e) {
// The server will have validated the type
throw new RuntimeException(e);
}
}
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);
}
}
/**
* Returns a CQL query representing this index.
*
* <p>This method returns a single 'CREATE INDEX' query corresponding to this index definition.
*
* @return the 'CREATE INDEX' query corresponding to this index.
*/
public String asCQLQuery() {
TableMetadata table = column.getTable();
return String.format(
"CREATE INDEX %s ON %s.%s (%s)",
name, table.getKeyspace().getName(), table.getName(), column.getName());
}