datax离线同步oracle表到clickhouse实践1

{
  "job": {
    "setting": {
      "speed": {
        "channel": 1
      }
    },
    "content": [
      {
        "reader": {
          "name": "oraclereader",
          "parameter": {
            "username": "your_oracle_username",
            "password": "your_oracle_password",
            "connection": [
              {
                "querySql": [
                  "select * from your_oracle_table"
                ],
                "jdbcUrl": [
                  "jdbc:oracle:thin:@//hostname:port/SID"
                ]
              }
            ]
          }
        },
        "writer": {
          "name": "clickhousewriter",
          "parameter": {
            "username": "your_clickhouse_username",
            "password": "your_clickhouse_password",
            "column": [],
            "session": [
              "shard_by_expr_list=toInt32(id)%2",
              "distributed_by_expr_list=toInt32(id)%2"
            ],
            "bulk_size": 1000,
            "jdbcUrl": "jdbc:clickhouse://your_clickhouse_host:port/database"
          }
        }
      }
    ]
  }
}

这个JSON配置文件定义了一个DataX作业，它从Oracle数据库的your_oracle_table表中读取数据，并将数据写入ClickHouse数据库。在这个例子中，我们假设你已经替换了相关的数据库连接信息和查询语句。注意，在实际部署时，你需要根据你的数据库表结构和ClickHouse表结构相应地调整column参数。