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MongoDB Kafka Connector
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配置属性

输出格式属性

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  • 设置

Overview

使用以下配置设置指定 MongoDB Kafka Source 连接器发布到 Kafka 主题的数据格式。

有关按类别整理的源Connector配置设置列表，请参阅有关源连接器配置属性的指南。

设置

名称
说明
output.format.key
Type: string

Description:
Specifies which data format the source connector outputs the key document.

Default: json
Accepted Values: bson, json, schema
output.format.value
Type: string

Description:
Specifies which data format the source connector outputs the value document.

The connector supports Protobuf as an output data format. You can enable this format by specifying the schema value and installing and configuring the Kafka Connect Protobuf Converter.

Default: json
Accepted Values: bson, json, schema
output.json.formatter
Type: string

Description:
Class name of the JSON formatter the connector should use to output data.

Default:
com.mongodb.kafka.connect.source.json.formatter.DefaultJson
Accepted Values:
Your custom JSON formatter full class name or one of the following built-in formatter class names:
com.mongodb.kafka.connect.source.json.formatter.DefaultJson
com.mongodb.kafka.connect.source.json.formatter.ExtendedJson
com.mongodb.kafka.connect.source.json.formatter.SimplifiedJson
To learn more about these output formats, see JSON Formatters.
output.schema.key
Type: string

Description:
Specifies an Avro schema definition for the key document of the SourceRecord.

To learn more about Avro schema, see Avro in the Data Formats guide.

Default:
{
  "type": "record",
  "name": "keySchema",
  "fields" : [ { "name": "_id", "type": "string" } ]"
}
Accepted Values: A valid Avro schema
output.schema.value
Type: string

Description:
Specifies an Avro schema definition for the value document of the SourceRecord.

To learn more about Avro schema, see Avro in the Data Formats guide.

Default:
{
  "name": "ChangeStream",
  "type": "record",
  "fields": [
    { "name": "_id", "type": "string" },
    { "name": "operationType", "type": ["string", "null"] },
    { "name": "fullDocument", "type": ["string", "null"] },
    { "name": "ns",
      "type": [{"name": "ns", "type": "record", "fields": [
                {"name": "db", "type": "string"},
                {"name": "coll", "type": ["string", "null"] } ]
               }, "null" ] },
    { "name": "to",
      "type": [{"name": "to", "type": "record",  "fields": [
                {"name": "db", "type": "string"},
                {"name": "coll", "type": ["string", "null"] } ]
               }, "null" ] },
    { "name": "documentKey", "type": ["string", "null"] },
    { "name": "updateDescription",
      "type": [{"name": "updateDescription",  "type": "record", "fields": [
                 {"name": "updatedFields", "type": ["string", "null"]},
                 {"name": "removedFields",
                  "type": [{"type": "array", "items": "string"}, "null"]
                  }] }, "null"] },
    { "name": "clusterTime", "type": ["string", "null"] },
    { "name": "txnNumber", "type": ["long", "null"]},
    { "name": "lsid", "type": [{"name": "lsid", "type": "record",
               "fields": [ {"name": "id", "type": "string"},
                             {"name": "uid", "type": "string"}] }, "null"] }
  ]
}
Accepted Values: A valid JSON schema
output.schema.infer.value
Type: boolean

Description:
Whether the connector should infer the schema for the value document of the SourceRecord. Since the connector processes each document in isolation, the connector may generate many schemas.

IMPORTANT: The connector only reads this setting when you set your output.format.value setting to schema.

Default: false
Accepted Values: true or false

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