pitrou commented on code in PR #585:
URL: https://github.com/apache/parquet-format/pull/585#discussion_r3504188572
##########
src/main/thrift/parquet.thrift:
##########
@@ -468,6 +468,21 @@ struct GeographyType {
2: optional EdgeInterpolationAlgorithm algorithm;
}
+/**
+ * File logical type annotation
+ *
+ * Annotates a group that represents a reference to an external file.
+ * The group must contain the following fields identified by name:
+ * - path (STRING, required): an opaque string path to the file (e.g.
s3://bucket/file.jpg)
+ * - size (INT64, optional): the length of the content in bytes; must be
zero or positive
+ * - offset (INT64, optional): byte offset for range reads; if provided,
size must also be provided
Review Comment:
Ok, so this should be stated more clearly instead of talking about "ranged
reads" (an implementation detail).
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