Github user janplus commented on a diff in the pull request: https://github.com/apache/spark/pull/14008#discussion_r69384848 --- Diff: sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/StringExpressionsSuite.scala --- @@ -725,4 +725,51 @@ 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(Seq(Literal.create(urlStr, StringType), + Literal.create(partToExtract, StringType))), expected) + } + def checkParseUrlWithKey( + expected: String, urlStr: String, + partToExtract: String, key: String): Unit = { + checkEvaluation( + ParseUrl(Seq(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("userinfo", "http://useri...@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) + checkParseUrlWithKey(null, "http://spark.apache.org/path?query=1", "QUERY", "") + + // exceptional cases + intercept[java.util.regex.PatternSyntaxException] { --- End diff -- I'll have a investigation on this. It should be different whether `key` is `Literal`. > hive> select parse_url("http://spark/path?", "QUERY", "???"); FAILED: SemanticException [Error 10014]: Line 1:7 Wrong arguments '"???"': org.apache.hadoop.hive.ql.metadata.HiveException: Unable to execute method public java.lang.String org.apache.hadoop.hive.ql.udf.UDFParseUrl.evaluate(java.lang.String,java.lang.String,java.lang.String) on object org.apache.hadoop.hive.ql.udf.UDFParseUrl@6682e6a5 of class org.apache.hadoop.hive.ql.udf.UDFParseUrl with arguments {http://spark/path?:java.lang.String, QUERY:java.lang.String, ???:java.lang.String} of size 3 > > hive> select parse_url("http://spark/path?", "QUERY", name) from test; OK Failed with exception java.io.IOException:org.apache.hadoop.hive.ql.metadata.HiveException: Unable to execute method public java.lang.String org.apache.hadoop.hive.ql.udf.UDFParseUrl.evaluate(java.lang.String,java.lang.String,java.lang.String) on object org.apache.hadoop.hive.ql.udf.UDFParseUrl@2035d65b of class org.apache.hadoop.hive.ql.udf.UDFParseUrl with arguments {http://spark/path?:java.lang.String, QUERY:java.lang.String, ???:java.lang.String} of size 3 Time taken: 0.039 seconds
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