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https://issues.apache.org/jira/browse/SPARK-23056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yash Datta updated SPARK-23056:
-------------------------------
Labels: regresion (was: )
> parse_url regression when switched to using java.net.URI instead of
> java.net.URL
> --------------------------------------------------------------------------------
>
> Key: SPARK-23056
> URL: https://issues.apache.org/jira/browse/SPARK-23056
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.3, 2.2.2, 2.3.0
> Reporter: Yash Datta
> Labels: regression
>
> When using internationalized Domains in the urls like:
> {code:java}
> val url = "http://правительство.рф";
> {code}
> The parse_url returns null, but works fine when using the hive 's version of
> parse_url
> On digging further, found that the difference is in below call in spark:
> {code:java}
> private def getUrl(url: UTF8String): URI = {
> try {
> new URI(url.toString)
> } catch {
> case e: URISyntaxException => null
> }
> }
> {code}
> while hive uses java.net.URL:
> {code:java}
> url = new URL(urlStr)
> {code}
> Sure enough, this simple test demonstrates URL works but URI does not in this
> case:
> {code:java}
> val url = "http://правительство.рф";
> val uriHost = new URI(url).getHost
> val urlHost = new URL(url).getHost
> println(s"uriHost = $uriHost") // prints uriHost = null
> println(s"urlHost = $urlHost") // prints urlHost = правительство.рф
> {code}
> To reproduce the problem on spark-sql:
> {code:java}
> spark-sql> select parse_url('http://千夏ともか.test', 'HOST');
> {code}
> returns NULL
> This problem was introduced by
> <https://issues.apache.org/jira/browse/SPARK-16826> which is designed to
> improve the performance of PARSE_URL().
> The same issue exists in the following SQL:
> ```SQL
> SELECT PARSE_URL('http://stanzhai.site?p=["abc";]', 'QUERY', 'p')
> // return null in Spark 2.1+
> // return ["abc"] less than Spark 2.1
> ```
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