amogh-jahagirdar commented on code in PR #9503:
URL: https://github.com/apache/iceberg/pull/9503#discussion_r1456949302
##########
core/src/main/java/org/apache/iceberg/TableMetadata.java:
##########
@@ -90,10 +90,19 @@ private static Map<String, String>
unreservedProperties(Map<String, String> rawP
private static Map<String, String> persistedProperties(Map<String, String>
rawProperties) {
Map<String, String> persistedProperties = Maps.newHashMap();
+ String format =
+ rawProperties.getOrDefault(
+ TableProperties.DEFAULT_FILE_FORMAT,
TableProperties.DEFAULT_FILE_FORMAT_DEFAULT);
+ String deleteFileFormat =
+ rawProperties.getOrDefault(TableProperties.DELETE_DEFAULT_FILE_FORMAT,
format);
+
// explicitly set defaults that apply only to new tables
- persistedProperties.put(
- TableProperties.PARQUET_COMPRESSION,
- TableProperties.PARQUET_COMPRESSION_DEFAULT_SINCE_1_4_0);
+ if (format.equalsIgnoreCase(FileFormat.PARQUET.name())
+ || deleteFileFormat.equalsIgnoreCase(FileFormat.PARQUET.name())) {
+ persistedProperties.put(
+ TableProperties.PARQUET_COMPRESSION,
+ TableProperties.PARQUET_COMPRESSION_DEFAULT_SINCE_1_4_0);
Review Comment:
I'm thinking there maybe a better pattern for these sorts of changes down
the line. Some notion of version specific properties which will only be set on
new tables based on the Iceberg version. But that idea is rather abstract at
the moment and would require wider discussion.
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