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Diffstat (limited to 'src/arrow/format/File.fbs')
-rw-r--r-- | src/arrow/format/File.fbs | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/arrow/format/File.fbs b/src/arrow/format/File.fbs new file mode 100644 index 000000000..906d494f2 --- /dev/null +++ b/src/arrow/format/File.fbs @@ -0,0 +1,52 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +include "Schema.fbs"; + +namespace org.apache.arrow.flatbuf; + +/// ---------------------------------------------------------------------- +/// Arrow File metadata +/// + +table Footer { + version: org.apache.arrow.flatbuf.MetadataVersion; + + schema: org.apache.arrow.flatbuf.Schema; + + dictionaries: [ Block ]; + + recordBatches: [ Block ]; + + /// User-defined metadata + custom_metadata: [ KeyValue ]; +} + +struct Block { + + /// Index to the start of the RecordBlock (note this is past the Message header) + offset: long; + + /// Length of the metadata + metaDataLength: int; + + /// Length of the data (this is aligned so there can be a gap between this and + /// the metadata). + bodyLength: long; +} + +root_type Footer; |