【1】根据客户号分组后求均值和求和
// dsl
{"_source":["RCRD_ID", "STATE", "BUSI_CODE"], "query":{"bool":{"filter":[{"term":{"STATE":"PDOS"} }]} }, "aggs": {"by_loans":{"nested":{"path":"LOANS"}, "aggs":{"group_by_cust_num":{"terms":{"field":"LOANS.CUST_NUM"} , "aggs":{"by_avg_loan_bal_sum":{"avg":{"field":"LOANS.OVD_MONEY_SUM"} }, "by_sum_loan_bal_sum":{"sum":{"field":"LOANS.OVD_MONEY_SUM"} }} }}}}
}
// 结果
{"took": 8,"timed_out": false,"_shards": {"total": 1,"successful": 1,"skipped": 0,"failed": 0},"hits": {"total": {"value": 3,"relation": "eq"},"max_score": 0.0,"hits": [{"_index": "pdi_cust","_type": "_doc","_id": "tr_rd_01","_score": 0.0,"_source": {"RCRD_ID": "tr_rd_01","STATE": "PDOS","BUSI_CODE": "pdi"}},{"_index": "pdi_cust","_type": "_doc","_id": "tr_rd_02","_score": 0.0,"_source": {"RCRD_ID": "tr_rd_02","STATE": "PDOS","BUSI_CODE": "pdi"}},{"_index": "pdi_cust","_type": "_doc","_id": "tr_rd_03","_score": 0.0,"_source": {"RCRD_ID": "tr_rd_03","STATE": "PDOS","BUSI_CODE": "pdi"}}]},"aggregations": {"by_loans": {"doc_count": 6,"group_by_cust_num": {"doc_count_error_upper_bound": 0,"sum_other_doc_count": 0,"buckets": [{"key": "CUST_NUM_01","doc_count": 2,"by_sum_loan_bal_sum": {"value": 3333.0},"by_avg_loan_bal_sum": {"value": 1666.5}},{"key": "CUST_NUM_02","doc_count": 2,"by_sum_loan_bal_sum": {"value": 2227.0},"by_avg_loan_bal_sum": {"value": 1113.5}},{"key": "CUST_NUM_03","doc_count": 2,"by_sum_loan_bal_sum": {"value": 2231.0},"by_avg_loan_bal_sum": {"value": 1115.5}}]}}}
}
【2】求整个索引的均值和总和
// dsl
{"_source":["RCRD_ID", "STATE", "BUSI_CODE"], "query":{"bool":{"filter":[{"term":{"STATE":"PDOS"} }]} }, "aggs": {"by_loans":{"nested":{"path":"LOANS"}, "aggs":{"by_avg_loan_bal_sum":{"avg":{"field":"LOANS.OVD_MONEY_SUM"} }, "by_sum_loan_bal_sum":{"sum":{"field":"LOANS.OVD_MONEY_SUM"} }}}}
}
// 结果
{"took": 12,"timed_out": false,"_shards": {"total": 1,"successful": 1,"skipped": 0,"failed": 0},"hits": {"total": {"value": 3,"relation": "eq"},"max_score": 0.0,"hits": [{"_index": "pdi_cust","_type": "_doc","_id": "tr_rd_01","_score": 0.0,"_source": {"RCRD_ID": "tr_rd_01","STATE": "PDOS","BUSI_CODE": "pdi"}},{"_index": "pdi_cust","_type": "_doc","_id": "tr_rd_02","_score": 0.0,"_source": {"RCRD_ID": "tr_rd_02","STATE": "PDOS","BUSI_CODE": "pdi"}},{"_index": "pdi_cust","_type": "_doc","_id": "tr_rd_03","_score": 0.0,"_source": {"RCRD_ID": "tr_rd_03","STATE": "PDOS","BUSI_CODE": "pdi"}}]},"aggregations": {"by_loans": {"doc_count": 6,"by_sum_loan_bal_sum": {"value": 7791.0},"by_avg_loan_bal_sum": {"value": 1298.5}}}
}