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https://issues.apache.org/jira/browse/SPARK-36329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17391159#comment-17391159
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Izek Greenfield commented on SPARK-36329:
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# if you do it like that you should write it again and again.
# it very handy to have it in the same format as show.
> show api of Dataset should get as input the output method
> ---------------------------------------------------------
>
> Key: SPARK-36329
> URL: https://issues.apache.org/jira/browse/SPARK-36329
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.1.2
> Reporter: Izek Greenfield
> Priority: Major
>
> For now show is:
> {code:scala}
> def show(numRows: Int, truncate: Boolean): Unit = if (truncate) {
> println(showString(numRows, truncate = 20))
> } else {
> println(showString(numRows, truncate = 0))
> }
> {code}
> it can be turn into:
> {code:scala}
> def show(numRows: Int, truncate: Boolean, out: String => Unit = println):
> Unit = if (truncate) {
> out(showString(numRows, truncate = 20))
> } else {
> out(showString(numRows, truncate = 0))
> }
> {code}
> so user will be able to send that to file/log...
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