[
https://issues.apache.org/jira/browse/ARROW-12992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Mauricio 'Pachá' Vargas Sepúlveda updated ARROW-12992:
------------------------------------------------------
Description:
Followup to ARROW-10557, which implemented the C++
current state:
{code:r}
library(arrow)
library(dplyr)
library(stringr)
# get animal products, year 20919
open_dataset(
"../cepii-datasets-arrow/parquet/baci_hs92",
partitioning = c("year", "reporter_iso")
) %>%
filter(
year == 2019,
str_sub(product_code, 1, 2) == "01"
) %>%
collect()
Error: Filter expression not supported for Arrow Datasets:
str_sub(product_code, 1, 2) == "01"
Call collect() first to pull data into R.
{code}
was:Followup to ARROW-10557, which implemented the C++
> [R] bindings for substr
> -----------------------
>
> Key: ARROW-12992
> URL: https://issues.apache.org/jira/browse/ARROW-12992
> Project: Apache Arrow
> Issue Type: New Feature
> Components: R
> Reporter: Neal Richardson
> Priority: Major
> Fix For: 5.0.0
>
>
> Followup to ARROW-10557, which implemented the C++
> current state:
> {code:r}
> library(arrow)
> library(dplyr)
> library(stringr)
> # get animal products, year 20919
> open_dataset(
> "../cepii-datasets-arrow/parquet/baci_hs92",
> partitioning = c("year", "reporter_iso")
> ) %>%
> filter(
> year == 2019,
> str_sub(product_code, 1, 2) == "01"
> ) %>%
> collect()
> Error: Filter expression not supported for Arrow Datasets:
> str_sub(product_code, 1, 2) == "01"
> Call collect() first to pull data into R.
> {code}
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