Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/14008#discussion_r69350632
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/StringExpressionsSuite.scala
---
@@ -725,4 +725,43 @@ class StringExpressionsSuite extends SparkFunSuite
with ExpressionEvalHelper {
checkEvaluation(FindInSet(Literal("abf"), Literal("abc,b,ab,c,def")),
0)
checkEvaluation(FindInSet(Literal("ab,"), Literal("abc,b,ab,c,def")),
0)
}
+
+ test("ParseUrl") {
+ def checkParseUrl(expected: String, urlStr: String, partToExtract:
String): Unit = {
+ checkEvaluation(
+ ParseUrl(Literal.create(urlStr, StringType),
Literal.create(partToExtract, StringType)),
+ expected)
+ }
+ def checkParseUrlWithKey(expected: String, urlStr: String,
+ partToExtract: String, key: String): Unit = {
+ checkEvaluation(
+ ParseUrl(Literal.create(urlStr, StringType),
Literal.create(partToExtract, StringType),
+ Literal.create(key, StringType)), expected)
+ }
+
+ checkParseUrl("spark.apache.org",
"http://spark.apache.org/path?query=1";, "HOST")
+ checkParseUrl("/path", "http://spark.apache.org/path?query=1";, "PATH")
+ checkParseUrl("query=1", "http://spark.apache.org/path?query=1";,
"QUERY")
+ checkParseUrl("Ref", "http://spark.apache.org/path?query=1#Ref";, "REF")
+ checkParseUrl("http", "http://spark.apache.org/path?query=1";,
"PROTOCOL")
+ checkParseUrl("/path?query=1", "http://spark.apache.org/path?query=1";,
"FILE")
+ checkParseUrl("spark.apache.org:8080",
"http://spark.apache.org:8080/path?query=1";, "AUTHORITY")
+ checkParseUrl("jian", "http://j...@spark.apache.org/path?query=1";,
"USERINFO")
+ checkParseUrlWithKey("1", "http://spark.apache.org/path?query=1";,
"QUERY", "query")
+
+ // Null checking
+ checkParseUrl(null, null, "HOST")
+ checkParseUrl(null, "http://spark.apache.org/path?query=1";, null)
+ checkParseUrl(null, null, null)
+ checkParseUrl(null, "test", "HOST")
+ checkParseUrl(null, "http://spark.apache.org/path?query=1";, "NO")
+ checkParseUrlWithKey(null, "http://spark.apache.org/path?query=1";,
"HOST", "query")
+ checkParseUrlWithKey(null, "http://spark.apache.org/path?query=1";,
"QUERY", "quer")
+ checkParseUrlWithKey(null, "http://spark.apache.org/path?query=1";,
"QUERY", null)
--- End diff --
Try this one.
```
SELECT parse_url('http://spark/?','QUERY', '???')
```
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