SteNicholas commented on a change in pull request #17322:
URL: https://github.com/apache/flink/pull/17322#discussion_r714524183
##########
File path: flink-python/pyflink/table/table_environment.py
##########
@@ -1695,12 +1695,14 @@ def _add_jars_to_j_env_config(self, config_key):
jar_urls =
self.get_config().get_configuration().get_string(config_key, None)
if jar_urls is not None:
# normalize and remove duplicates
- jar_urls_set = set([jvm.java.net.URL(url).toString() for url in
jar_urls.split(";")])
+ # do not use set, because set does not guarantee order.
+ jar_urls_list = [jvm.java.net.URL(url).toString() for url in
jar_urls.split(";")]
Review comment:
> I guess this is not necessary. Why we need to keep the order?
+1, because the empty string is impossible in the middle of set. Therefore
it's unnecessary to update this.
##########
File path: flink-python/pyflink/table/table_environment.py
##########
@@ -1695,12 +1695,14 @@ def _add_jars_to_j_env_config(self, config_key):
jar_urls =
self.get_config().get_configuration().get_string(config_key, None)
if jar_urls is not None:
# normalize and remove duplicates
- jar_urls_set = set([jvm.java.net.URL(url).toString() for url in
jar_urls.split(";")])
+ # do not use set, because set does not guarantee order.
+ jar_urls_list = [jvm.java.net.URL(url).toString() for url in
jar_urls.split(";")]
j_configuration = get_j_env_configuration(self._get_j_env())
if j_configuration.containsKey(config_key):
for url in j_configuration.getString(config_key,
"").split(";"):
- jar_urls_set.add(url)
- j_configuration.setString(config_key, ";".join(jar_urls_set))
+ if url != "" and url not in jar_urls_list:
Review comment:
It's recommended to trim the uri and then check where the url is equal
to emty string.
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