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The ",(0,l.kt)("inlineCode",{parentName:"p"},"sqlQueryId")," can be manually set when the query is submitted in the query context parameter, or if not set, Druid will generate one and return it in the response header when the query is successfully submitted. Note that Druid does not enforce a unique ",(0,l.kt)("inlineCode",{parentName:"p"},"sqlQueryId")," in the query context. If you've set the same ",(0,l.kt)("inlineCode",{parentName:"p"},"sqlQueryId")," for multiple queries, Druid cancels all requests with that query ID."),(0,l.kt)("p",null,"When you cancel a query, Druid handles the cancellation in a best-effort manner. Druid immediately marks the query as canceled and aborts the query execution as soon as possible. However, the query may continue running for a short time after you make the cancellation request."),(0,l.kt)("p",null,"Cancellation requests require READ permission on all resources used in the SQL query."),(0,l.kt)("h4",{id:"url-1"},"URL"),(0,l.kt)("code",{class:"deleteAPI"},"DELETE")," ",(0,l.kt)("code",null,"/druid/v2/sql/:sqlQueryId"),(0,l.kt)("h4",{id:"responses-1"},"Responses"),(0,l.kt)(o.Z,{mdxType:"Tabs"},(0,l.kt)(s.Z,{value:"6",label:"202 SUCCESS",mdxType:"TabItem"},(0,l.kt)("p",null,(0,l.kt)("em",{parentName:"p"},"Successfully deleted query"))),(0,l.kt)(s.Z,{value:"7",label:"403 FORBIDDEN",mdxType:"TabItem"},(0,l.kt)("p",null,(0,l.kt)("em",{parentName:"p"},"Authorization failure"))),(0,l.kt)(s.Z,{value:"8",label:"404 NOT FOUND",mdxType:"TabItem"},(0,l.kt)("p",null,(0,l.kt)("em",{parentName:"p"},"Invalid ",(0,l.kt)("inlineCode",{parentName:"em"},"sqlQueryId")," or query was completed before cancellation request")))),(0,l.kt)("hr",null),(0,l.kt)("h4",{id:"sample-request-1"},"Sample request"),(0,l.kt)("p",null,"The following example cancels a request with the set query ID ",(0,l.kt)("inlineCode",{parentName:"p"},"request01"),"."),(0,l.kt)(o.Z,{mdxType:"Tabs"},(0,l.kt)(s.Z,{value:"9",label:"cURL",mdxType:"TabItem"},(0,l.kt)("pre",null,(0,l.kt)("code",{parentName:"pre",className:"language-shell"},'curl --request DELETE "http://ROUTER_IP:ROUTER_PORT/druid/v2/sql/request01"\n'))),(0,l.kt)(s.Z,{value:"10",label:"HTTP",mdxType:"TabItem"},(0,l.kt)("pre",null,(0,l.kt)("code",{parentName:"pre",className:"language-HTTP"},"DELETE /druid/v2/sql/request01 HTTP/1.1\nHost: http://ROUTER_IP:ROUTER_PORT\n")))),(0,l.kt)("h4",{id:"sample-response-1"},"Sample response"),(0,l.kt)("p",null,"A successful response results in an ",(0,l.kt)("inlineCode",{parentName:"p"},"HTTP 202")," message code and an empty response body."),(0,l.kt)("h3",{id:"query-output-format"},"Query output format"),(0,l.kt)("p",null,"The following table shows examples of how Druid returns the column names and data types based on the result format and the type request. The examples includes the first row of results, where the value of ",(0,l.kt)("inlineCode",{parentName:"p"},"user")," is ",(0,l.kt)("inlineCode",{parentName:"p"},"BlueMoon2662"),"."),(0,l.kt)("pre",null,(0,l.kt)("code",{parentName:"pre"},'| Format | typesHeader | sqlTypesHeader | Example Output                                                                             |\n|--------|-------------|----------------|--------------------------------------------------------------------------------------------|\n| object | true        | false          | [ { "user" : { "type" : "STRING" } }, { "user" : "BlueMoon2662" } ]                        |\n| object | true        | true           | [ { "user" : { "type" : "STRING", "sqlType" : "VARCHAR" } }, { "user" : "BlueMoon2662" } ] |\n| object | false       | true           | [ { "user" : { "sqlType" : "VARCHAR" } }, { "user" : "BlueMoon2662" } ]                    |\n| object | false       | false          | [ { "user" : null }, { "user" : "BlueMoon2662" } ]                                         |\n| array  | true        | false          | [ [ "user" ], [ "STRING" ], [ "BlueMoon2662" ] ]                                           |\n| array  | true        | true           | [ [ "user" ], [ "STRING" ], [ "VARCHAR" ], [ "BlueMoon2662" ] ]                            |\n| array  | false       | true           | [ [ "user" ], [ "VARCHAR" ], [ "BlueMoon2662" ] ]                                          |\n| array  | false       | false          | [ [ "user" ], [ "BlueMoon2662" ] ]                                                         |\n| csv    | true        | false          | user STRING BlueMoon2662                                                                   |\n| csv    | true        | true           | user STRING VARCHAR BlueMoon2662                                                           |\n| csv    | false       | true           | user VARCHAR BlueMoon2662                                                                  |\n| csv    | false       | false          | user BlueMoon2662                                                                          |\n')),(0,l.kt)("h2",{id:"query-from-deep-storage"},"Query from deep storage"),(0,l.kt)("p",null,"You can use the ",(0,l.kt)("inlineCode",{parentName:"p"},"sql/statements")," endpoint to query segments that exist only in deep storage and are not loaded onto your Historical processes as determined by your load rules."),(0,l.kt)("p",null,"Note that at least one segment of a datasource must be available on a Historical process so that the Broker can plan your query. A quick way to check if this is true is whether or not a datasource is visible in the Druid console."),(0,l.kt)("p",null,"For more information, see ",(0,l.kt)("a",{parentName:"p",href:"/docs/latest/querying/query-deep-storage"},"Query from deep storage"),"."),(0,l.kt)("h3",{id:"submit-a-query-1"},"Submit a query"),(0,l.kt)("p",null,'Submit a query for data stored in deep storage. Any data ingested into Druid is placed into deep storage. The query is contained in the "query" field in the JSON object within the request payload.'),(0,l.kt)("p",null,"Note that at least part of a datasource must be available on a Historical process so that Druid can plan your query and only the user who submits a query can see the results."),(0,l.kt)("h4",{id:"url-2"},"URL"),(0,l.kt)("code",{class:"postAPI"},"POST")," ",(0,l.kt)("code",null,"/druid/v2/sql/statements"),(0,l.kt)("h4",{id:"request-body-1"},"Request body"),(0,l.kt)("p",null,"Generally, the ",(0,l.kt)("inlineCode",{parentName:"p"},"sql")," and ",(0,l.kt)("inlineCode",{parentName:"p"},"sql/statements")," endpoints support the same response body fields with minor differences. For general information about the available fields, see ",(0,l.kt)("a",{parentName:"p",href:"#submit-a-query"},"Submit a query to the ",(0,l.kt)("inlineCode",{parentName:"a"},"sql")," endpoint"),"."),(0,l.kt)("p",null,"Keep the following in mind when submitting queries to the ",(0,l.kt)("inlineCode",{parentName:"p"},"sql/statements")," endpoint:"),(0,l.kt)("ul",null,(0,l.kt)("li",{parentName:"ul"},(0,l.kt)("p",{parentName:"li"},"Apart from the context parameters mentioned ",(0,l.kt)("a",{parentName:"p",href:"/docs/latest/multi-stage-query/reference#context-parameters"},"here")," there are additional context parameters for ",(0,l.kt)("inlineCode",{parentName:"p"},"sql/statements")," specifically:"),(0,l.kt)("ul",{parentName:"li"},(0,l.kt)("li",{parentName:"ul"},(0,l.kt)("inlineCode",{parentName:"li"},"executionMode"),"  determines how query results are fetched. Druid currently only supports ",(0,l.kt)("inlineCode",{parentName:"li"},"ASYNC"),". You must manually retrieve your results after the query completes."),(0,l.kt)("li",{parentName:"ul"},(0,l.kt)("inlineCode",{parentName:"li"},"selectDestination")," determines where final results get written. By default, results are written to task reports. Set this parameter to ",(0,l.kt)("inlineCode",{parentName:"li"},"durableStorage")," to instruct Druid to write the results from SELECT queries to durable storage, which allows you to fetch larger result sets. For result sets with more than 3000 rows, it is highly recommended to use ",(0,l.kt)("inlineCode",{parentName:"li"},"durableStorage"),". Note that this requires you to have ",(0,l.kt)("a",{parentName:"li",href:"/docs/latest/operations/durable-storage"},"durable storage for MSQ")," enabled.")))),(0,l.kt)("h4",{id:"responses-2"},"Responses"),(0,l.kt)(o.Z,{mdxType:"Tabs"},(0,l.kt)(s.Z,{value:"1",label:"200 SUCCESS",mdxType:"TabItem"},(0,l.kt)("p",null,(0,l.kt)("em",{parentName:"p"},"Successfully queried from deep storage"))),(0,l.kt)(s.Z,{value:"2",label:"400 BAD REQUEST",mdxType:"TabItem"},(0,l.kt)("p",null,(0,l.kt)("em",{parentName:"p"},"Error thrown due to bad query. 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