[ https://issues.apache.org/jira/browse/ARROW-14138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Neal Richardson updated ARROW-14138: ------------------------------------ Fix Version/s: 7 > [R] update metadata when casting a record batch column > ------------------------------------------------------ > > Key: ARROW-14138 > URL: https://issues.apache.org/jira/browse/ARROW-14138 > Project: Apache Arrow > Issue Type: Improvement > Components: R > Reporter: Romain Francois > Assignee: Romain Francois > Priority: Minor > Fix For: 7 > > > library(arrow, warn.conflicts = FALSE) > #> See arrow_info() for available features > raws <- structure(list( > as.raw(c(0x70, 0x65, 0x72, 0x73, 0x6f, 0x6e)) > ), class = c("arrow_binary", "vctrs_vctr", "list")) > batch <- record_batch(b = raws) > batch$metadata$r > #> 'arrow_r_metadata' chr > "A\n3\n262147\n197888\n5\nUTF-8\n531\n1\n531\n1\n531\n2\n531\n1\n16\n3\n262153\n12\narrow_binary\n262153\n10\nvc"| > __truncated__ > #> List of 1 > #> $ columns:List of 1 > #> ..$ b:List of 2 > #> .. ..$ attributes:List of 1 > #> .. .. ..$ class: chr [1:3] "arrow_binary" "vctrs_vctr" "list" > #> .. ..$ columns : NULL > # when casting `b` to a string column, the metadata is kept > batch$b <- batch$b$cast(utf8()) > batch$metadata$r > #> 'arrow_r_metadata' chr > "A\n3\n262147\n197888\n5\nUTF-8\n531\n1\n531\n1\n531\n2\n531\n1\n16\n3\n262153\n12\narrow_binary\n262153\n10\nvc"| > __truncated__ > #> List of 1 > #> $ columns:List of 1 > #> ..$ b:List of 2 > #> .. ..$ attributes:List of 1 > #> .. .. ..$ class: chr [1:3] "arrow_binary" "vctrs_vctr" "list" > #> .. ..$ columns : NULL > # but it should not have > batch2 <- record_batch(b = "string") > batch2$metadata$r > #> NULL -- This message was sent by Atlassian Jira (v8.3.4#803005)