pitrou commented on code in PR #244:
URL: https://github.com/apache/parquet-format/pull/244#discussion_r1617320942
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src/main/thrift/parquet.thrift:
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@@ -625,7 +631,11 @@ struct DataPageHeaderV2 {
/** Number of NULL values, in this data page.
Number of non-null = num_values - num_nulls which is also the number of
values in the data section **/
2: required i32 num_nulls
- /** Number of rows in this data page. which means pages change on record
boundaries (r = 0) **/
+ /**
+ * Number of rows in this data page. Every page must begin at a
+ * record boundary (repetition_level = 0): records must **not** be
+ * split across page boundaries when using V2 data pages.
Review Comment:
So a row is a record?
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