Chilkat Online Tools

ListTableMetadata Python Example

Athena

import sys
import chilkat

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

rest = chilkat.CkRest()

authAws = chilkat.CkAuthAws()
authAws.put_AccessKey("AWS_ACCESS_KEY")
authAws.put_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.put_Region("us-west-2")
authAws.put_ServiceName("athena")
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
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,True,True)
if (success != True):
    print("ConnectFailReason: " + str(rest.get_ConnectFailReason()))
    print(rest.lastErrorText())
    sys.exit()

# 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 = chilkat.CkJsonObject()
json.UpdateString("CatalogName","string")
json.UpdateString("DatabaseName","string")
json.UpdateString("Expression","string")
json.UpdateInt("MaxResults",123)
json.UpdateString("NextToken","string")

# The JSON request body created by the above code:

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

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

sbRequestBody = chilkat.CkStringBuilder()
json.EmitSb(sbRequestBody)
sbResponseBody = chilkat.CkStringBuilder()
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
if (success != True):
    print(rest.lastErrorText())
    sys.exit()

respStatusCode = rest.get_ResponseStatusCode()
print("response status code = " + str(respStatusCode))
if (respStatusCode != 200):
    print("Response Header:")
    print(rest.responseHeader())
    print("Response Body:")
    print(sbResponseBody.getAsString())
    sys.exit()

jResp = chilkat.CkJsonObject()
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")
while i < count_i :
    jResp.put_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")
    while j < count_j :
        jResp.put_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

    j = 0
    count_j = jResp.SizeOfArray("TableMetadataList[i].PartitionKeys")
    while j < count_j :
        jResp.put_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

    i = i + 1

# 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"
#     }
#   ]
# }