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Felix Cheung commented on SPARK-21224: -------------------------------------- let's add this to from_json, gapply, dapply too as discussed? free feel to open a new JIRA if you think that's better. > Support a DDL-formatted string as schema in reading for R > --------------------------------------------------------- > > Key: SPARK-21224 > URL: https://issues.apache.org/jira/browse/SPARK-21224 > Project: Spark > Issue Type: Improvement > Components: SparkR > Affects Versions: 2.2.0 > Reporter: Hyukjin Kwon > Priority: Minor > > This might have to be a followup for SPARK-20431 but I just decided to make > this separate for R specifically as many PRs might be confusing. > Please refer the discussion in the PR and SPARK-20431. > In a simple view, this JIRA describes the support for a DDL-formetted string > as schema as below: > {code} > mockLines <- c("{\"name\":\"Michael\"}", > "{\"name\":\"Andy\", \"age\":30}", > "{\"name\":\"Justin\", \"age\":19}") > jsonPath <- tempfile(pattern = "sparkr-test", fileext = ".tmp") > writeLines(mockLines, jsonPath) > df <- read.df(jsonPath, "json", "name STRING, age DOUBLE") > collect(df) > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org