love1693294577 removed a comment on issue #618: [CALCITE-2157] ClickHouse dialect implementation. URL: https://github.com/apache/calcite/pull/618#issuecomment-517107274 Hello, how is your clickhouse used, how can I still not connect, it seems to be unable to load the driver Caused by: java.lang.RuntimeException: java.sql.SQLException: Cannot load JDBC driver class 'ru.yandex.clickhouse.ClickHouseDriver' at org.apache.calcite.adapter.jdbc.JdbcUtils$DialectPool.get(JdbcUtils.java:97) at org.apache.calcite.adapter.jdbc.JdbcSchema.createDialect(JdbcSchema.java:197) at org.apache.calcite.adapter.jdbc.JdbcSchema.create(JdbcSchema.java:133) at org.apache.calcite.adapter.jdbc.JdbcSchema.create(JdbcSchema.java:120) at org.apache.calcite.adapter.jdbc.JdbcSchema.create(JdbcSchema.java:172) at org.apache.calcite.adapter.jdbc.JdbcSchema$Factory.create(JdbcSchema.java:560) at org.apache.calcite.model.ModelHandler.visit(ModelHandler.java:282) ... 18 more Caused by: java.sql.SQLException: Cannot load JDBC driver class 'ru.yandex.clickhouse.ClickHouseDriver' at org.apache.commons.dbcp2.BasicDataSource.createConnectionFactory(BasicDataSource.java:489) at org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:599) at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:809) at org.apache.calcite.adapter.jdbc.JdbcUtils$DialectPool.get(JdbcUtils.java:78) My configuration： { version: '1.0', defaultSchema: 'click', schemas: [ { name: 'click', type: 'custom', factory: 'org.apache.calcite.adapter.jdbc.JdbcSchema$Factory', operand: { jdbcDriver: 'ru.yandex.clickhouse.ClickHouseDriver', jdbcUrl: 'jdbc:clickhouse://XX.XX.XX.XX:8123/default', jdbcUser: 'druid', jdbcPassword: 'diurd' } } ] }
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