Chilkat Online Tools

ListTables Python Example

Amazon Redshift Data API

import sys
import chilkat2

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

rest = chilkat2.Rest()

authAws = chilkat2.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 = "redshift-data"
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws)

# URL: https://redshift-data.us-west-2.amazonaws.com/
# Use the same region as specified above.
success = rest.Connect("redshift-data.us-west-2.amazonaws.com",443,True,True)
if (success != True):
    print("ConnectFailReason: " + str(rest.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 = chilkat2.JsonObject()
json.UpdateString("ClusterIdentifier","string")
json.UpdateString("ConnectedDatabase","string")
json.UpdateString("Database","string")
json.UpdateString("DbUser","string")
json.UpdateInt("MaxResults",123)
json.UpdateString("NextToken","string")
json.UpdateString("SchemaPattern","string")
json.UpdateString("SecretArn","string")
json.UpdateString("TablePattern","string")

# The JSON request body created by the above code:

# {
#   "ClusterIdentifier": "string",
#   "ConnectedDatabase": "string",
#   "Database": "string",
#   "DbUser": "string",
#   "MaxResults": number,
#   "NextToken": "string",
#   "SchemaPattern": "string",
#   "SecretArn": "string",
#   "TablePattern": "string"
# }

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

sbRequestBody = chilkat2.StringBuilder()
json.EmitSb(sbRequestBody)
sbResponseBody = chilkat2.StringBuilder()
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
if (success != True):
    print(rest.LastErrorText)
    sys.exit()

respStatusCode = rest.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 = chilkat2.JsonObject()
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("Tables")
while i < count_i :
    jResp.I = i
    name = jResp.StringOf("Tables[i].name")
    schema = jResp.StringOf("Tables[i].schema")
    v_type = jResp.StringOf("Tables[i].type")
    i = i + 1

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

# {
#   "NextToken": "string",
#   "Tables": [
#     {
#       "name": "string",
#       "schema": "string",
#       "type": "string"
#     }
#   ]
# }