[jira] [Closed] (ARROW-12963) [Parquet] Can't roundtrip required/non-nullable strings

["Jorge Leitão (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-12963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jorge Leitão closed ARROW-12963.
--------------------------------
    Resolution: Invalid

My bad, this is not true, was looking incorrectly :(

> [Parquet] Can't roundtrip required/non-nullable strings
> -------------------------------------------------------
>
>                 Key: ARROW-12963
>                 URL: https://issues.apache.org/jira/browse/ARROW-12963
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Parquet
>    Affects Versions: 4.0.0
>            Reporter: Jorge Leitão
>            Priority: Major
>
> The following code errors with
> {code:java}
>   File "bla.parquet", line 1
>     PAR1<<\
>         ^
> SyntaxError: invalid syntax
> {code}
> {code:java}
> import pyarrow as pa
> string_required = ["Hello", "bbb", "aa", "", "bbb", "abc", "bbb", "bbb", "def", "aaa"]
> fields = [
>     pa.field("string1", pa.utf8(), nullable=False),
> ]
> schema = pa.schema(fields)
> data = {
>     "string1": string_required,
> }
> t = pa.table(data, schema=schema)
> pa.parquet.write_table(
>     t,
>     "bla.parquet",
>     data_page_version=f"1.0",
> )
> parquet_file = pa.parquet.ParquetFile("bla.parquet")
> {code}



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