wangyum commented on issue #23970: [SPARK-27054][BUILD][SQL] Remove the Calcite dependency URL: https://github.com/apache/spark/pull/23970#issuecomment-469979458 @HyukjinKwon `addJar` uses [`AddResourceProcessor`](https://github.com/apache/hive/blob/release-1.2.1/ql/src/java/org/apache/hadoop/hive/ql/processors/AddResourceProcessor.java). This do not need Calcite. For queries such as select([`TOK_QUERY`](https://github.com/apache/hive/blob/release-1.2.1/ql/src/java/org/apache/hadoop/hive/ql/parse/HiveParser.g#L31)), create table([`TOK_CREATETABLE`](https://github.com/apache/hive/blob/release-1.2.1/ql/src/java/org/apache/hadoop/hive/ql/parse/HiveParser.g#L136)), etc., Calcite is needed if enable CBO: https://github.com/apache/hive/blob/release-1.2.1/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzerFactory.java#L277-L282
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