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elasticsearch7.12.1 使用查询语句aggs 聚合查询的时候

{
    "aggs": {
        "price_group": {
            "terms": {
                "field": "price"
            }
        }
    }
}

报错

{
    "error": {
        "root_cause": [
            {
                "type": "illegal_argument_exception",
                "reason": "Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [price] in order to load field data by uninverting the inverted index. Note that this can use significant memory."
            }
        ],
        "type": "search_phase_execution_exception",
        "reason": "all shards failed",
        "phase": "query",
        "grouped": true,
        "failed_shards": [
            {
                "shard": 0,
                "index": "shopping",
                "node": "Tk4LCCTpQRi8MqZa91v4UQ",
                "reason": {
                    "type": "illegal_argument_exception",
                    "reason": "Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [price] in order to load field data by uninverting the inverted index. Note that this can use significant memory."
                }
            }
        ],
        "caused_by": {
            "type": "illegal_argument_exception",
            "reason": "Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [price] in order to load field data by uninverting the inverted index. Note that this can use significant memory.",
            "caused_by": {
                "type": "illegal_argument_exception",
                "reason": "Text fields are not optimised for operations that require per-document field data like aggregations and sorting, so these operations are disabled by default. Please use a keyword field instead. Alternatively, set fielddata=true on [price] in order to load field data by uninverting the inverted index. Note that this can use significant memory."
            }
        }
    },
    "status": 400
}

解决方案：

加上  .keyword 记住带.

{
    "aggs": {
        "price_group": {
            "terms": {
                "field": "price.keyword"
            }
        }
    }
}

返回结果正确

 

本文标签： 错误Elasticsearch

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