emkornfield commented on code in PR #514:
URL: https://github.com/apache/parquet-format/pull/514#discussion_r2968459282
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src/main/thrift/parquet.thrift:
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@@ -309,6 +309,13 @@ struct Statistics {
7: optional bool is_max_value_exact;
/** If true, min_value is the actual minimum value for a column */
8: optional bool is_min_value_exact;
+ /**
+ * Count of NaN values in the column; only present if physical type is FLOAT
+ * or DOUBLE, or logical type is FLOAT16.
+ * If this field is not present, readers must assume NaNs may be present
Review Comment:
```suggestion
* If this field is not present, readers MUST assume NaNs may be present
```
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