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Post By Naveed Bhatti Software Team.?
ElasticSearch query with AND and OR criteria Frequently when we will need to construct query to elasticsearch which bear AND and OR criteria similar to the following SQL statements: Statement 1: SELECT * FROM tblOrder WHERE orderDate=2015-01-01 14:00:00 AND customerID=29439; Statement 2: SELECT * FROM tblOrder WHERE orderDate=2015-01-01 14:00:00 OR customerID=29439; Statement 3: SELECT * FROM tblOrder WHERE orderDate <= 2015-01-01 14:00:00 AND customerID=29439; Statement 4: SELECT * FROM tblOrder WHERE (orderDate=2015-01-01 14:00:00 AND customerID=29439) OR customerID = 20991; Statement 5: SELECT * FROM tblOrder WHERE orderDate=2015-01-01 14:00:00 AND (customerID=29439 OR customerID = 20991); In ElasticSearch, we use "must" and "should" in place of AND and OR and "bool" in place of WHERE. Suppose in our ElasticSearch (at 179.168.0.1:9200), we have indexed documents having the following structures at index myOrder/myOrder: { "orderID" : xxxxx, ...