Examples with TableMetadata org.apache.iceberg.TableMetadata used on opensource projects

Example 11 with TableMetadata

use of org.apache.iceberg.TableMetadata in project presto by prestodb.

the class IcebergHiveMetadata method beginCreateTable.

@Override
public ConnectorOutputTableHandle beginCreateTable(ConnectorSession session, ConnectorTableMetadata tableMetadata, Optional<ConnectorNewTableLayout> layout) {
    SchemaTableName schemaTableName = tableMetadata.getTable();
    String schemaName = schemaTableName.getSchemaName();
    String tableName = schemaTableName.getTableName();
    Schema schema = toIcebergSchema(tableMetadata.getColumns());
    PartitionSpec partitionSpec = parsePartitionFields(schema, getPartitioning(tableMetadata.getProperties()));
    MetastoreContext metastoreContext = new MetastoreContext(session.getIdentity(), session.getQueryId(), session.getClientInfo(), session.getSource(), Optional.empty(), false, HiveColumnConverterProvider.DEFAULT_COLUMN_CONVERTER_PROVIDER);
    Database database = metastore.getDatabase(metastoreContext, schemaName).orElseThrow(() -> new SchemaNotFoundException(schemaName));
    HdfsContext hdfsContext = new HdfsContext(session, schemaName, tableName);
    String targetPath = getTableLocation(tableMetadata.getProperties());
    if (targetPath == null) {
        Optional<String> location = database.getLocation();
        if (!location.isPresent() || location.get().isEmpty()) {
            throw new PrestoException(NOT_SUPPORTED, "Database " + schemaName + " location is not set");
        }
        Path databasePath = new Path(location.get());
        Path resultPath = new Path(databasePath, tableName);
        targetPath = resultPath.toString();
    }
    TableOperations operations = new HiveTableOperations(metastore, new MetastoreContext(session.getIdentity(), session.getQueryId(), session.getClientInfo(), session.getSource(), Optional.empty(), false, HiveColumnConverterProvider.DEFAULT_COLUMN_CONVERTER_PROVIDER), hdfsEnvironment, hdfsContext, schemaName, tableName, session.getUser(), targetPath);
    if (operations.current() != null) {
        throw new TableAlreadyExistsException(schemaTableName);
    }
    ImmutableMap.Builder<String, String> propertiesBuilder = ImmutableMap.builderWithExpectedSize(2);
    FileFormat fileFormat = getFileFormat(tableMetadata.getProperties());
    propertiesBuilder.put(DEFAULT_FILE_FORMAT, fileFormat.toString());
    if (tableMetadata.getComment().isPresent()) {
        propertiesBuilder.put(TABLE_COMMENT, tableMetadata.getComment().get());
    }
    TableMetadata metadata = newTableMetadata(schema, partitionSpec, targetPath, propertiesBuilder.build());
    transaction = createTableTransaction(tableName, operations, metadata);
    return new IcebergWritableTableHandle(schemaName, tableName, SchemaParser.toJson(metadata.schema()), PartitionSpecParser.toJson(metadata.spec()), getColumns(metadata.schema(), typeManager), targetPath, fileFormat, metadata.properties());
}