{
  "name": "clickhousereader",
  "parameter": {
    "username": "username",
    "password": "password",
    "column": ["col1", "col2", "col3"],
    "connection": [
      {
        "jdbcUrl": "jdbc:clickhouse://<host>:<port>[/<database>]",
        "table": ["table1", "table2"]
      }
    ],
    "preSql": [],
    "postSql": []
  }
}