emkornfield commented on code in PR #242:
URL: https://github.com/apache/parquet-format/pull/242#discussion_r1603950910
##########
src/main/thrift/parquet.thrift:
##########
@@ -1165,6 +1317,62 @@ struct FileMetaData {
9: optional binary footer_signing_key_metadata
}
+/** Metadata for a column in this file. */
+struct FileColumnMetadataV3 {
+ /** All column chunks in this file (one per row group) **/
+ 1: required list<ColumnChunkV3> columns
+
+ /** Sort order used for the Statistics min_value and max_value fields
+ **/
+ 2: optional ColumnOrder column_order;
+
+ /** NEW from v1: Optional key/value metadata for this column at the file
level
+ **/
+ 3: optional list<KeyValue> key_value_metadata
+}
+
+struct FileMetaDataV3 {
+ /** Version of this file **/
+ 1: required i32 version
+
+ /** Parquet schema for this file **/
+ 2: required list<SchemaElementV3> schema;
Review Comment:
No, not here. I think I need to do a more formal auditing to see what makes
sense.
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