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https://issues.apache.org/jira/browse/ARROW-4565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17661587#comment-17661587
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Rok Mihevc commented on ARROW-4565:
-----------------------------------
This issue has been migrated to [issue
#21111|https://github.com/apache/arrow/issues/21111] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [R] Reading records with all non-null decimals SEGFAULTs
> --------------------------------------------------------
>
> Key: ARROW-4565
> URL: https://issues.apache.org/jira/browse/ARROW-4565
> Project: Apache Arrow
> Issue Type: Improvement
> Components: R
> Reporter: Javier Luraschi
> Assignee: Javier Luraschi
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.13.0
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Repro,
>
> {code:java}
> library(sparklyr)
> library(arrow)
> sc <- spark_connect(master = "local")
> sdf_len(sc, 10^5) %>% dplyr::mutate(batch = id %% 10)
> {code}
>
> produces using Arrow 0.12, no repro under Arrow 0.11.
>
> {code:java}
> *** caught segfault ***
> address 0x10, cause 'memory not mapped'
> Traceback:
> 1: RecordBatch__to_dataframe(x, use_threads = use_threads)
> 2: `as_tibble.arrow::RecordBatch`(record_entry)
> 3: tibble::as_tibble(record_entry)
> 4: arrow_read_stream(.)
> 5: function_list[[i]](value)
> 6: freduce(value, `_function_list`)
> 7: `_fseq`(`_lhs`)
> 8: eval(quote(`_fseq`(`_lhs`)), env, env)
> 9: eval(quote(`_fseq`(`_lhs`)), env, env)
> 10: withVisible(eval(quote(`_fseq`(`_lhs`)), env, env))
> 11: invoke_static(sc, "sparklyr.ArrowConverters", "toArrowBatchRdd", sdf,
> session, time_zone) %>% arrow_read_stream() %>% dplyr::bind_rows()
> 12: arrow_collect(object, ...)
> {code}
> Notice that the following cast is unsupported, I can add a test if someone
> can come up with a way of creating a decimal type.
>
>
> {code:java}
> batch <- table(tibble::tibble(x = 1:10))
> batch$cast(schema(x = decimal())){code}
>
> {code:java}
> Error in Decimal128Type__initialize(precision, scale) : argument "precision"
> is missing, with no default
> {code}
> I'll send a PR with a fix...
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