Victor Zhang created SPARK-29969:
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Summary: parse_url function result in incorrect result
Key: SPARK-29969
URL: https://issues.apache.org/jira/browse/SPARK-29969
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.4.4, 2.3.1
Reporter: Victor Zhang
In this Jira using java.net.URI instead of java.net.URL for performance reason.
https://issues.apache.org/jira/browse/SPARK-16826
However, in the case of some unconventional parameters, it can lead to
incorrect results.
For example, when the URL is encoded, the function cannot resolve the correct
result.
0: jdbc:hive2://localhost:10000> SELECT
parse_url('http://uzzf.down.gsxzq.com/download/%E5%B8%B8%E7%94%A8%E9%98%80%E9%97%A8CAD%E5%9B%BE%E7%BA%B8%E5%A4%',
'HOST');
+------------------------------------------------------------------------------------------------------------------------+--+
|
parse_url(http://uzzf.down.gsxzq.com/download/%E5%B8%B8%E7%94%A8%E9%98%80%E9%97%A8CAD%E5%9B%BE%E7%BA%B8%E5%A4%,
HOST) |
+------------------------------------------------------------------------------------------------------------------------+--+
| NULL |
+------------------------------------------------------------------------------------------------------------------------+--+
1 row selected (0.094 seconds)
hive> SELECT
parse_url('http://uzzf.down.gsxzq.com/download/%E5%B8%B8%E7%94%A8%E9%98%80%E9%97%A8CAD%E5%9B%BE%E7%BA%B8%E5%A4%',
'HOST');
OK
HEADER: _c0
uzzf.down.gsxzq.com
Time taken: 4.423 seconds, Fetched: 1 row(s)
Here's a similar problem.
https://issues.apache.org/jira/browse/SPARK-23056
Our team used the spark function to run data for months, but now we have to run
it again.
It's just too painful.:(:(:(
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