Chilkat Tools

ListTableMetadata Classic ASP Example

Athena

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<%
' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

set rest = Server.CreateObject("Chilkat_9_5_0.Rest")

set authAws = Server.CreateObject("Chilkat_9_5_0.AuthAws")
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "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.)
authAws.Region = "us-west-2"
authAws.ServiceName = "athena"
' SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
success = rest.SetAuthAws(authAws)

' URL: https://athena.us-west-2.amazonaws.com/
' Use the same region as specified above.
success = rest.Connect("athena.us-west-2.amazonaws.com",443,1,1)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "ConnectFailReason: " & rest.ConnectFailReason) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

' 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

set json = Server.CreateObject("Chilkat_9_5_0.JsonObject")
success = json.UpdateString("CatalogName","string")
success = json.UpdateString("DatabaseName","string")
success = json.UpdateString("Expression","string")
success = json.UpdateInt("MaxResults",123)
success = json.UpdateString("NextToken","string")

' The JSON request body created by the above code:

' {
'   "CatalogName": "string",
'   "DatabaseName": "string",
'   "Expression": "string",
'   "MaxResults": number,
'   "NextToken": "string"
' }

success = rest.AddHeader("Content-Type","application/x-amz-json-1.1")
success = rest.AddHeader("X-Amz-Target","AmazonAthena.ListTableMetadata")

set sbRequestBody = Server.CreateObject("Chilkat_9_5_0.StringBuilder")
success = json.EmitSb(sbRequestBody)
set sbResponseBody = Server.CreateObject("Chilkat_9_5_0.StringBuilder")
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

respStatusCode = rest.ResponseStatusCode
Response.Write "<pre>" & Server.HTMLEncode( "response status code = " & respStatusCode) & "</pre>"
If (respStatusCode <> 200) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Response Header:") & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( rest.ResponseHeader) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Response Body:") & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( sbResponseBody.GetAsString()) & "</pre>"
    Response.End
End If

set jResp = Server.CreateObject("Chilkat_9_5_0.JsonObject")
success = jResp.LoadSb(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

NextToken = jResp.StringOf("NextToken")
i = 0
count_i = jResp.SizeOfArray("TableMetadataList")
Do While i < count_i
    jResp.I = i
    CreateTime = jResp.IntOf("TableMetadataList[i].CreateTime")
    LastAccessTime = jResp.IntOf("TableMetadataList[i].LastAccessTime")
    Name = jResp.StringOf("TableMetadataList[i].Name")
    v_String = jResp.StringOf("TableMetadataList[i].Parameters.string")
    TableType = jResp.StringOf("TableMetadataList[i].TableType")
    j = 0
    count_j = jResp.SizeOfArray("TableMetadataList[i].Columns")
    Do While j < count_j
        jResp.J = j
        Comment = jResp.StringOf("TableMetadataList[i].Columns[j].Comment")
        Name = jResp.StringOf("TableMetadataList[i].Columns[j].Name")
        v_Type = jResp.StringOf("TableMetadataList[i].Columns[j].Type")
        j = j + 1
    Loop
    j = 0
    count_j = jResp.SizeOfArray("TableMetadataList[i].PartitionKeys")
    Do While j < count_j
        jResp.J = j
        Comment = jResp.StringOf("TableMetadataList[i].PartitionKeys[j].Comment")
        Name = jResp.StringOf("TableMetadataList[i].PartitionKeys[j].Name")
        v_Type = jResp.StringOf("TableMetadataList[i].PartitionKeys[j].Type")
        j = j + 1
    Loop
    i = i + 1
Loop

' A sample JSON response body parsed by the above code:

' {
'   "NextToken": "string",
'   "TableMetadataList": [
'     {
'       "Columns": [
'         {
'           "Comment": "string",
'           "Name": "string",
'           "Type": "string"
'         }
'       ],
'       "CreateTime": number,
'       "LastAccessTime": number,
'       "Name": "string",
'       "Parameters": {
'         "string": "string"
'       },
'       "PartitionKeys": [
'         {
'           "Comment": "string",
'           "Name": "string",
'           "Type": "string"
'         }
'       ],
'       "TableType": "string"
'     }
'   ]
' }

%>
</body>
</html>
Chilkat Online Tools

ListTableMetadata Classic ASP Example

Athena
