emkornfield commented on code in PR #240:
URL: https://github.com/apache/parquet-format/pull/240#discussion_r1639281244
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src/main/thrift/parquet.thrift:
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@@ -237,6 +237,78 @@ struct SizeStatistics {
3: optional list<i64> definition_level_histogram;
}
+/**
+ * Interpretation for edges of GEOMETRY logical type, i.e. whether the edge
+ * between points represent a straight cartesian line or the shortest line on
+ * the sphere.
+ */
+enum Edges {
+ PLANAR = 0;
+ SPHERICAL = 1;
+}
+
+/**
+ * A custom WKB-encoded geometry data to be used in geometry statistics.
+ * The geometry may be a polygon to encode an s2 or h3 covering to provide
+ * vendor-agnostic coverings, or an evelope of geometries when a bounding
+ * box cannot be built (e.g. a geometry has spherical edges, or if an edge
+ * of geographic coordinates crosses the antimeridian).
+ */
+struct Geometry {
+ /** Bytes of a WKB-encoded geometry */
+ 1: required binary geometry;
+ /**
+ * Edges of the geometry if it is a polygon. It may be different to the
+ * edges attribute from the GEOMETRY logical type.
+ */
+ 2: optional Edges edges;
Review Comment:
might be worth specifying whether this is logically required or if a default
is assumed.
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