FileWrite组件

组件说明

往文件系统写入。

计算引擎

flink

组件分组

file

端口

Inport：默认端口

outport：默认端口

组件属性

名称	展示名称	默认值	允许值	是否必填	描述	例子
path	path	""	无	是	文件路径。	hdfs://server1:8020/flink/test/text.txt
format	format	""	Set("json", "csv", "avro", "parquet", "orc", "raw", "debezium-json", "canal-json")	是	文件系统连接器支持format。	json
tableDefinition	TableDefinition	""	无	是	Flink table定义。
properties	PROPERTIES	""	无	否	连接器其他配置。

FileWrite示例配置

{
  "flow": {
    "name": "file write",
    "executorMemory": "1g",
    "executorNumber": "1",
    "uuid": "bf651f2e3f9340d29bfb737a0808bc31",
    "paths": [
      {
        "inport": "",
        "from": "DataGen",
        "to": "FileWrite",
        "outport": ""
      }
    ],
    "engineType": "flink",
    "stops": [
      {
        "name": "DataGen",
        "bundle": "cn.piflow.bundle.flink.common.DataGen",
        "uuid": "878a23d54e754efd914c71e4a6536b31",
        "properties": {
          "schema": [
            {
              "filedName": "id",
              "end": 10000,
              "kind": "sequence",
              "start": 1,
              "filedType": "INT"
            },
            {
              "filedName": "name",
              "filedType": "STRING",
              "kind": "random",
              "length": 15
            },
            {
              "min": 1,
              "filedName": "age",
              "max": 100,
              "kind": "random",
              "filedType": "INT"
            }
          ],
          "count": "100",
          "ratio": "10"
        },
        "customizedProperties": {
        }
      },
      {
        "name": "FileWrite",
        "bundle": "cn.piflow.bundle.flink.file.FileWrite",
        "uuid": "e137b3d1b82045249d717d88f7449f68",
        "properties": {
          "path": "hdfs://hadoop01:8020/test2/",
          "tableDefinition": {
            "tableBaseInfo": {
              "ifNotExists": true,
              "registerTableName": "hdfswrite"
            },
            "asSelectStatement": {
            },
            "likeStatement": {
            }
          },
          "format": "json",
          "properties": {
          }
        },
        "customizedProperties": {
        }
      }
    ]
  }
}

示例说明

本示例演示了通过DataGen生成测试数据，然后使用FileWrite组件将数据写入到hdfs中。

演示DEMO