Lua

DynamoDB - ListTables

See more Amazon DynamoDB Examples

Returns an array of table names associated with the current account and endpoint. The output from ListTables is paginated, with each page returning a maximum of 100 table names. Lua

local chilkat = require("chilkat")

local rest = chilkat.Rest.new()

-- Implements the following CURL command:

-- curl -X POST https://dynamodb.us-west-2.amazonaws.com/ \
--   -H "Accept-Encoding: identity" \
--   -H "Content-Type: application/x-amz-json-1.0" \
--   -H "Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=<Headers>, Signature=<Signature>" \
--   -H "X-Amz-Date: <Date>" \
--   -H "X-Amz-Target: DynamoDB_20120810.ListTables" \
--   -d '{
--     "Limit": 100
-- }'

-- Use the following online tool to generate REST code from a CURL command
-- Convert a cURL Command to REST Source Code

local authAws = chilkat.AuthAws.new()
authAws.access_key = "AWS_ACCESS_KEY"
authAws.secret_key = "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.service_name = "dynamodb"

-- SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest:set_auth_aws(authAws)

-- URL: https://dynamodb.us-west-2.amazonaws.com/
local bTls = true
local port = 443
local bAutoReconnect = true
-- Don't forget to change the region domain (us-west-2.amazonaws.com) to your particular region.
local success = rest:connect("dynamodb.us-west-2.amazonaws.com", port, bTls, bAutoReconnect)
if not success then
    print("ConnectFailReason: " .. rest.connect_fail_reason)
    print(rest.last_error_text)
    return
end

-- Note: The above code does not need to be repeatedly called for each REST request.
-- The rest object can be setup once, and then many requests can be sent.  Chilkat will automatically
-- reconnect within a FullRequest* method as needed.  It is only the very first connection that is explicitly
-- made via the Connect method.

-- Use this online tool to generate code from sample JSON:
-- Generate Code to Create JSON

-- The following JSON is sent in the request body.

-- {
--   "Limit": 100
-- }

local json = chilkat.JsonObject.new()
json:update_int("Limit", 100)

rest:add_header("Content-Type", "application/x-amz-json-1.0")
rest:add_header("X-Amz-Target", "DynamoDB_20120810.ListTables")
rest:add_header("Accept-Encoding", "identity")

local sbRequestBody = chilkat.StringBuilder.new()
json:emit_sb(sbRequestBody)
local sbResponseBody = chilkat.StringBuilder.new()
success = rest:full_request_sb("POST", "/", sbRequestBody, sbResponseBody)
if not success then
    print(rest.last_error_text)
    return
end

local respStatusCode = rest.response_status_code
print("response status code = " .. respStatusCode)

if respStatusCode >= 400 then
    print("Response Status Code = " .. respStatusCode)
    print("Response Header:")
    print(rest.response_header)
    print("Response Body:")
    print(sbResponseBody:get_as_string())
    return
end

local jsonResponse = chilkat.JsonObject.new()
jsonResponse:load_sb(sbResponseBody)

jsonResponse.emit_compact = false
print(jsonResponse:emit())

-- Sample JSON response:

-- {
--     "LastEvaluatedTableName": "Thread",
--     "TableNames": ["Forum","Reply","Thread"]
-- }

local strVal = ""

local LastEvaluatedTableName = jsonResponse:string_of("LastEvaluatedTableName")
local i = 0
local count_i = jsonResponse:size_of_array("TableNames")
while i < count_i do
    jsonResponse.i = i
    strVal = jsonResponse:string_of("TableNames[i]")
    i = i + 1
end