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com.mnubo.flink.streaming.connectors.elasticsearch

ElasticsearchDataset

Related Doc: package elasticsearch

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object ElasticsearchDataset

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  9. def fromElasticsearchQuery[T](env: ExecutionEnvironment, index: String, query: String, nodes: Set[String] = Set("localhost"), port: Int = 9200, pojoFields: Array[String] = null)(implicit arg0: ClassTag[T], arg1: TypeInformation[T]): DataSet[T]

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    Creates a dataset from the given query.

    Creates a dataset from the given query. Simplified queries are not supported. Queries with aggregations are not supported. Queries must include a 'fields' list. Fields will be deserialized in the corresponding fields of the tuple or case class, in the same order. They will be mapped in the corresponding pojoFields in the order they appear in pojoFields.

    The query can only target a single index.

    T

    The type of record to emmit query results to.

    env

    The Flink Scala execution environment.

    index

    The Elasticsearch index name

    query

    The Elasticsearch query. It must include a 'fields' list (https://www.elastic.co/guide/en/elasticsearch/reference/current/search-request-fields.html).

    nodes

    An initial Elasticsearch cluster nodes that will be used to discover the full cluster. Must include at least one node of the cluster.

    port

    The Elasticsearch HTTP port

    pojoFields

    When reading in a POJO Java class, the list of the POJO class in which deserializing the fields from Elasticsearch.

    returns

    A Flink Scala DataSet.

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