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Posted to issues@parquet.apache.org by "wgtmac (via GitHub)" <gi...@apache.org> on 2025/07/04 04:47:29 UTC
Re: [PR] Add binary truncated min/max statistics with is_{max/min}_value_exact=false [parquet-testing]
wgtmac commented on PR #88:
URL: https://github.com/apache/parquet-testing/pull/88#issuecomment-3034500510
Sorry for a late reply. I just checked its data and metadata and it looks good.
```
~/Projects/parquet-testing/data (binary-truncated-min-max-statistics*) » parquet-cli meta binary_truncated_min_max.parquet
File path: binary_truncated_min_max.parquet
Created by: parquet-rs version 55.1.0
Properties:
ARROW:schema: /////5QAAAAQAAAAAAAKAAwACgAJAAQACgAAABAAAAAAAQQACAAIAAAABAAIAAAABAAAAAIAAAA8AAAABAAAANz///8UAAAADAAAAAAAAAQMAAAAAAAAAMz///8BAAAAYgAAABAAFAAQAAAADwAEAAAACAAQAAAAGAAAAAwAAAAAAAAFEAAAAAAAAAAEAAQABAAAAAEAAABhAAAA
Schema:
message arrow_schema {
required binary a (STRING);
required binary b;
}
Row group 0: count: 12 41.67 B records start: 4 total(compressed): 500 B total(uncompressed):500 B
--------------------------------------------------------------------------------
type encodings count avg size nulls min / max
a BINARY _ BB_ 12 20.83 B 0 "Al" / "Kf"
b BINARY _ BB_ 12 20.83 B 0 "0x416C" / "0x4B66"
```
```
~/Projects/parquet-testing/data (binary-truncated-min-max-statistics*) » parquet-cli cat binary_truncated_min_max.parquet gangwu@Gangs-MacBook-Pro
{"a": "Blart Versenwald III", "b": "Blart Versenwald III"}
{"a": "Alice Johnson", "b": "Alice Johnson"}
{"a": "Bob Smith", "b": "Bob Smith"}
{"a": "Charlie Brown", "b": "Charlie Brown"}
{"a": "Diana Prince", "b": "Diana Prince"}
{"a": "Edward Norton", "b": "Edward Norton"}
{"a": "Fiona Apple", "b": "Fiona Apple"}
{"a": "George Lucas", "b": "George Lucas"}
{"a": "Helen Keller", "b": "Helen Keller"}
{"a": "Ivan Drago", "b": "Ivan Drago"}
{"a": "Julia Roberts", "b": "Julia Roberts"}
{"a": "Kevin Bacon", "b": "Kevin Bacon"}
--------------------------------------------
```
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