DescribeStatement PureBasic Example
IncludeFile "CkJsonObject.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkRest.pb"
IncludeFile "CkAuthAws.pb"
Procedure ChilkatExample()
; This example requires the Chilkat API to have been previously unlocked.
; See Global Unlock Sample for sample code.
rest.i = CkRest::ckCreate()
If rest.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
success.i
authAws.i = CkAuthAws::ckCreate()
If authAws.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkAuthAws::setCkAccessKey(authAws, "AWS_ACCESS_KEY")
CkAuthAws::setCkSecretKey(authAws, "AWS_SECRET_KEY")
; Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
CkAuthAws::setCkRegion(authAws, "us-west-2")
CkAuthAws::setCkServiceName(authAws, "redshift-data")
; SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest::ckSetAuthAws(rest,authAws)
; URL: https://redshift-data.us-west-2.amazonaws.com/
; Use the same region as specified above.
success = CkRest::ckConnect(rest,"redshift-data.us-west-2.amazonaws.com",443,1,1)
If success <> 1
Debug "ConnectFailReason: " + Str(CkRest::ckConnectFailReason(rest))
Debug CkRest::ckLastErrorText(rest)
CkRest::ckDispose(rest)
CkAuthAws::ckDispose(authAws)
ProcedureReturn
EndIf
; The following code creates the JSON request body.
; The JSON created by this code is shown below.
; Use this online tool to generate code from sample JSON:
; Generate Code to Create JSON
json.i = CkJsonObject::ckCreate()
If json.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkJsonObject::ckUpdateString(json,"Id","string")
; The JSON request body created by the above code:
; {
; "Id": "string"
; }
CkRest::ckAddHeader(rest,"Content-Type","application/x-amz-json-1.1")
CkRest::ckAddHeader(rest,"X-Amz-Target","RedshiftData.DescribeStatement")
sbRequestBody.i = CkStringBuilder::ckCreate()
If sbRequestBody.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkJsonObject::ckEmitSb(json,sbRequestBody)
sbResponseBody.i = CkStringBuilder::ckCreate()
If sbResponseBody.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
success = CkRest::ckFullRequestSb(rest,"POST","/",sbRequestBody,sbResponseBody)
If success <> 1
Debug CkRest::ckLastErrorText(rest)
CkRest::ckDispose(rest)
CkAuthAws::ckDispose(authAws)
CkJsonObject::ckDispose(json)
CkStringBuilder::ckDispose(sbRequestBody)
CkStringBuilder::ckDispose(sbResponseBody)
ProcedureReturn
EndIf
respStatusCode.i = CkRest::ckResponseStatusCode(rest)
Debug "response status code = " + Str(respStatusCode)
If respStatusCode <> 200
Debug "Response Header:"
Debug CkRest::ckResponseHeader(rest)
Debug "Response Body:"
Debug CkStringBuilder::ckGetAsString(sbResponseBody)
CkRest::ckDispose(rest)
CkAuthAws::ckDispose(authAws)
CkJsonObject::ckDispose(json)
CkStringBuilder::ckDispose(sbRequestBody)
CkStringBuilder::ckDispose(sbResponseBody)
ProcedureReturn
EndIf
jResp.i = CkJsonObject::ckCreate()
If jResp.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkJsonObject::ckLoadSb(jResp,sbResponseBody)
; The following code parses the JSON response.
; A sample JSON response is shown below the sample code.
; Use this online tool to generate parsing code from sample JSON:
; Generate Parsing Code from JSON
name.s
value.s
ClusterIdentifier.s = CkJsonObject::ckStringOf(jResp,"ClusterIdentifier")
CreatedAt.i = CkJsonObject::ckIntOf(jResp,"CreatedAt")
Database.s = CkJsonObject::ckStringOf(jResp,"Database")
DbUser.s = CkJsonObject::ckStringOf(jResp,"DbUser")
Duration.i = CkJsonObject::ckIntOf(jResp,"Duration")
Error.s = CkJsonObject::ckStringOf(jResp,"Error")
HasResultSet.i = CkJsonObject::ckIntOf(jResp,"HasResultSet")
Id.s = CkJsonObject::ckStringOf(jResp,"Id")
QueryString.s = CkJsonObject::ckStringOf(jResp,"QueryString")
RedshiftPid.i = CkJsonObject::ckIntOf(jResp,"RedshiftPid")
RedshiftQueryId.i = CkJsonObject::ckIntOf(jResp,"RedshiftQueryId")
ResultRows.i = CkJsonObject::ckIntOf(jResp,"ResultRows")
ResultSize.i = CkJsonObject::ckIntOf(jResp,"ResultSize")
SecretArn.s = CkJsonObject::ckStringOf(jResp,"SecretArn")
Status.s = CkJsonObject::ckStringOf(jResp,"Status")
UpdatedAt.i = CkJsonObject::ckIntOf(jResp,"UpdatedAt")
i.i = 0
count_i.i = CkJsonObject::ckSizeOfArray(jResp,"QueryParameters")
While i < count_i
CkJsonObject::setCkI(jResp, i)
name = CkJsonObject::ckStringOf(jResp,"QueryParameters[i].name")
value = CkJsonObject::ckStringOf(jResp,"QueryParameters[i].value")
i = i + 1
Wend
i = 0
count_i = CkJsonObject::ckSizeOfArray(jResp,"SubStatements")
While i < count_i
CkJsonObject::setCkI(jResp, i)
CreatedAt = CkJsonObject::ckIntOf(jResp,"SubStatements[i].CreatedAt")
Duration = CkJsonObject::ckIntOf(jResp,"SubStatements[i].Duration")
Error = CkJsonObject::ckStringOf(jResp,"SubStatements[i].Error")
HasResultSet = CkJsonObject::ckIntOf(jResp,"SubStatements[i].HasResultSet")
Id = CkJsonObject::ckStringOf(jResp,"SubStatements[i].Id")
QueryString = CkJsonObject::ckStringOf(jResp,"SubStatements[i].QueryString")
RedshiftQueryId = CkJsonObject::ckIntOf(jResp,"SubStatements[i].RedshiftQueryId")
ResultRows = CkJsonObject::ckIntOf(jResp,"SubStatements[i].ResultRows")
ResultSize = CkJsonObject::ckIntOf(jResp,"SubStatements[i].ResultSize")
Status = CkJsonObject::ckStringOf(jResp,"SubStatements[i].Status")
UpdatedAt = CkJsonObject::ckIntOf(jResp,"SubStatements[i].UpdatedAt")
i = i + 1
Wend
; A sample JSON response body parsed by the above code:
; {
; "ClusterIdentifier": "string",
; "CreatedAt": number,
; "Database": "string",
; "DbUser": "string",
; "Duration": number,
; "Error": "string",
; "HasResultSet": boolean,
; "Id": "string",
; "QueryParameters": [
; {
; "name": "string",
; "value": "string"
; }
; ],
; "QueryString": "string",
; "RedshiftPid": number,
; "RedshiftQueryId": number,
; "ResultRows": number,
; "ResultSize": number,
; "SecretArn": "string",
; "Status": "string",
; "SubStatements": [
; {
; "CreatedAt": number,
; "Duration": number,
; "Error": "string",
; "HasResultSet": boolean,
; "Id": "string",
; "QueryString": "string",
; "RedshiftQueryId": number,
; "ResultRows": number,
; "ResultSize": number,
; "Status": "string",
; "UpdatedAt": number
; }
; ],
; "UpdatedAt": number
; }
CkRest::ckDispose(rest)
CkAuthAws::ckDispose(authAws)
CkJsonObject::ckDispose(json)
CkStringBuilder::ckDispose(sbRequestBody)
CkStringBuilder::ckDispose(sbResponseBody)
CkJsonObject::ckDispose(jResp)
ProcedureReturn
EndProcedure
