Re: [QUESTION] Why does Apache Flink add `org.antlr` to pom.xml

2019-12-29 Thread Juan Pan
Hi Benchao, Thanks for your reply, key word `antlr` appeared in three modules of master branch, 1. flink-python 2. flink-sql-client 3. flink-hive-connector I also found just tag `exclusion` is used for `Antlr`, so the aim of which is to exclude it from 'hive-exec’ dependency, right? That

Re: [QUESTION] Why does Apache Flink add `org.antlr` to pom.xml

2019-12-28 Thread Benchao Li
Hi Juan, I searched in the repo, and only found two modules contains `org.antlr`: 1, flink-sql-client 2, flink-connector-hive But they exist only because we need to exclude them from 'hive-exec' dependency. BTW, where did you find flink importing `org.antlr` ? Juan Pan 于2019年12月29日周日 下午3:07写道:

[QUESTION] Why does Apache Flink add `org.antlr` to pom.xml

2019-12-28 Thread Juan Pan
Hi folks, Excuse me for this help-seeking email. I tried to query the related questions on Stack Overflow and Apache Pony archived emails, but there is no answer there. From my understanding, Flink parses SQL with the help of JavaCC and Apache calcite. Therefore, why does Flink import Antlr