(Tcl) DynamoDB - CreateTable

The CreateTable operation adds a new table to your account. In an AWS account, table names must be unique within each Region. That is, you can have two tables with same name if you create the tables in different Regions.

CreateTable is an asynchronous operation. Upon receiving a CreateTable request, DynamoDB immediately returns a response with a TableStatus of CREATING. After the table is created, DynamoDB sets the TableStatus to ACTIVE. You can perform read and write operations only on an ACTIVE table.

You can use the DescribeTable action to check the table status.

For more information, see https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_CreateTable.html

Chilkat Tcl Extension Downloads Chilkat Tcl Extension Downloads

load ./chilkat.dll

set rest [new_CkRest]

# 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.CreateTable" \
#   -d '{
#     "AttributeDefinitions": [
#         {
#             "AttributeName": "ForumName",
#             "AttributeType": "S"
#         },
#         {
#             "AttributeName": "Subject",
#             "AttributeType": "S"
#         },
#         {
#             "AttributeName": "LastPostDateTime",
#             "AttributeType": "S"
#         }
#     ],
#     "TableName": "Thread",
#     "KeySchema": [
#         {
#             "AttributeName": "ForumName",
#             "KeyType": "HASH"
#         },
#         {
#             "AttributeName": "Subject",
#             "KeyType": "RANGE"
#         }
#     ],
#     "LocalSecondaryIndexes": [
#         {
#             "IndexName": "LastPostIndex",
#             "KeySchema": [
#                 {
#                     "AttributeName": "ForumName",
#                     "KeyType": "HASH"
#                 },
#                 {
#                     "AttributeName": "LastPostDateTime",
#                     "KeyType": "RANGE"
#                 }
#             ],
#             "Projection": {
#                 "ProjectionType": "KEYS_ONLY"
#             }
#         }
#     ],
#     "ProvisionedThroughput": {
#         "ReadCapacityUnits": 5,
#         "WriteCapacityUnits": 5
#     },
#     "Tags": [ 
#       { 
#          "Key": "Owner",
#          "Value": "BlueTeam"
#       }
#    ]
# }'

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

set authAws [new_CkAuthAws]

CkAuthAws_put_AccessKey $authAws "AWS_ACCESS_KEY"
CkAuthAws_put_SecretKey $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_put_Region $authAws "us-west-2"
CkAuthAws_put_ServiceName $authAws "dynamodb"
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws $rest $authAws

# URL: https://dynamodb.us-west-2.amazonaws.com/
set bTls 1
set port 443
set bAutoReconnect 1
# Don't forget to change the region domain (us-west-2.amazonaws.com) to your particular region.
set success [CkRest_Connect $rest "dynamodb.us-west-2.amazonaws.com" $port $bTls $bAutoReconnect]
if {$success != 1} then {
    puts "ConnectFailReason: [CkRest_get_ConnectFailReason $rest]"
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    exit
}

# 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.

# {
#   "AttributeDefinitions": [
#     {
#       "AttributeName": "ForumName",
#       "AttributeType": "S"
#     },
#     {
#       "AttributeName": "Subject",
#       "AttributeType": "S"
#     },
#     {
#       "AttributeName": "LastPostDateTime",
#       "AttributeType": "S"
#     }
#   ],
#   "TableName": "Thread",
#   "KeySchema": [
#     {
#       "AttributeName": "ForumName",
#       "KeyType": "HASH"
#     },
#     {
#       "AttributeName": "Subject",
#       "KeyType": "RANGE"
#     }
#   ],
#   "LocalSecondaryIndexes": [
#     {
#       "IndexName": "LastPostIndex",
#       "KeySchema": [
#         {
#           "AttributeName": "ForumName",
#           "KeyType": "HASH"
#         },
#         {
#           "AttributeName": "LastPostDateTime",
#           "KeyType": "RANGE"
#         }
#       ],
#       "Projection": {
#         "ProjectionType": "KEYS_ONLY"
#       }
#     }
#   ],
#   "ProvisionedThroughput": {
#     "ReadCapacityUnits": 5,
#     "WriteCapacityUnits": 5
#   },
#   "Tags": [
#     {
#       "Key": "Owner",
#       "Value": "BlueTeam"
#     }
#   ]
# }

set json [new_CkJsonObject]

set i 0
CkJsonObject_put_I $json $i
CkJsonObject_UpdateString $json "AttributeDefinitions[i].AttributeName" "ForumName"
CkJsonObject_UpdateString $json "AttributeDefinitions[i].AttributeType" "S"
set i [expr $i + 1]
CkJsonObject_put_I $json $i
CkJsonObject_UpdateString $json "AttributeDefinitions[i].AttributeName" "Subject"
CkJsonObject_UpdateString $json "AttributeDefinitions[i].AttributeType" "S"
set i [expr $i + 1]
CkJsonObject_put_I $json $i
CkJsonObject_UpdateString $json "AttributeDefinitions[i].AttributeName" "LastPostDateTime"
CkJsonObject_UpdateString $json "AttributeDefinitions[i].AttributeType" "S"
CkJsonObject_UpdateString $json "TableName" "Thread"
set i 0
CkJsonObject_put_I $json $i
CkJsonObject_UpdateString $json "KeySchema[i].AttributeName" "ForumName"
CkJsonObject_UpdateString $json "KeySchema[i].KeyType" "HASH"
set i [expr $i + 1]
CkJsonObject_put_I $json $i
CkJsonObject_UpdateString $json "KeySchema[i].AttributeName" "Subject"
CkJsonObject_UpdateString $json "KeySchema[i].KeyType" "RANGE"

set i 0
CkJsonObject_put_I $json $i
set j 0
CkJsonObject_put_J $json $j
CkJsonObject_UpdateString $json "LocalSecondaryIndexes[i].IndexName" "LastPostIndex"
CkJsonObject_UpdateString $json "LocalSecondaryIndexes[i].KeySchema[j].AttributeName" "ForumName"
CkJsonObject_UpdateString $json "LocalSecondaryIndexes[i].KeySchema[j].KeyType" "HASH"
set j [expr $j + 1]
CkJsonObject_put_J $json $j
CkJsonObject_UpdateString $json "LocalSecondaryIndexes[i].KeySchema[j].AttributeName" "LastPostDateTime"
CkJsonObject_UpdateString $json "LocalSecondaryIndexes[i].KeySchema[j].KeyType" "RANGE"
CkJsonObject_UpdateString $json "LocalSecondaryIndexes[i].Projection.ProjectionType" "KEYS_ONLY"
CkJsonObject_UpdateInt $json "ProvisionedThroughput.ReadCapacityUnits" 5
CkJsonObject_UpdateInt $json "ProvisionedThroughput.WriteCapacityUnits" 5
CkJsonObject_UpdateString $json "Tags[0].Key" "Owner"
CkJsonObject_UpdateString $json "Tags[0].Value" "BlueTeam"

CkRest_AddHeader $rest "Content-Type" "application/x-amz-json-1.0"
CkRest_AddHeader $rest "X-Amz-Target" "DynamoDB_20120810.CreateTable"
CkRest_AddHeader $rest "Accept-Encoding" "identity"

set sbRequestBody [new_CkStringBuilder]

CkJsonObject_EmitSb $json $sbRequestBody
set sbResponseBody [new_CkStringBuilder]

set success [CkRest_FullRequestSb $rest "POST" "/" $sbRequestBody $sbResponseBody]
if {$success != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbRequestBody
    delete_CkStringBuilder $sbResponseBody
    exit
}

set respStatusCode [CkRest_get_ResponseStatusCode $rest]
puts "response status code = $respStatusCode"

if {$respStatusCode >= 400} then {
    puts "Response Status Code = $respStatusCode"
    puts "Response Header:"
    puts [CkRest_responseHeader $rest]
    puts "Response Body:"
    puts [CkStringBuilder_getAsString $sbResponseBody]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbRequestBody
    delete_CkStringBuilder $sbResponseBody
    exit
}

set jsonResponse [new_CkJsonObject]

CkJsonObject_LoadSb $jsonResponse $sbResponseBody

CkJsonObject_put_EmitCompact $jsonResponse 0
puts [CkJsonObject_emit $jsonResponse]

# Sample Response:

#  {
#     "TableDescription": {
#         "TableArn": "arn:aws:dynamodb:us-west-2:123456789012:table/Thread",
#         "AttributeDefinitions": [
#             {
#                 "AttributeName": "ForumName",
#                 "AttributeType": "S"
#             },
#             {
#                 "AttributeName": "LastPostDateTime",
#                 "AttributeType": "S"
#             },
#             {
#                 "AttributeName": "Subject",
#                 "AttributeType": "S"
#             }
#         ],
#         "CreationDateTime": 1.36372808007E9,
#         "ItemCount": 0,
#         "KeySchema": [
#             {
#                 "AttributeName": "ForumName",
#                 "KeyType": "HASH"
#             },
#             {
#                 "AttributeName": "Subject",
#                 "KeyType": "RANGE"
#             }
#         ],
#         "LocalSecondaryIndexes": [
#             {
#                 "IndexArn": "arn:aws:dynamodb:us-west-2:123456789012:table/Thread/index/LastPostIndex",
#                 "IndexName": "LastPostIndex",
#                 "IndexSizeBytes": 0,
#                 "ItemCount": 0,
#                 "KeySchema": [
#                     {
#                         "AttributeName": "ForumName",
#                         "KeyType": "HASH"
#                     },
#                     {
#                         "AttributeName": "LastPostDateTime",
#                         "KeyType": "RANGE"
#                     }
#                 ],
#                 "Projection": {
#                     "ProjectionType": "KEYS_ONLY"
#                 }
#             }
#         ],
#         "ProvisionedThroughput": {
#             "NumberOfDecreasesToday": 0,
#             "ReadCapacityUnits": 5,
#             "WriteCapacityUnits": 5
#         },
#         "TableName": "Thread",
#         "TableSizeBytes": 0,
#         "TableStatus": "CREATING"
#     }
# }

# Sample code for parsing the JSON response...
# Use the following online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON

set TableDescriptionTableArn [CkJsonObject_stringOf $jsonResponse "TableDescription.TableArn"]
set TableDescriptionCreationDateTime [CkJsonObject_stringOf $jsonResponse "TableDescription.CreationDateTime"]
set TableDescriptionItemCount [CkJsonObject_IntOf $jsonResponse "TableDescription.ItemCount"]
set TableDescriptionProvisionedThroughputNumberOfDecreasesToday [CkJsonObject_IntOf $jsonResponse "TableDescription.ProvisionedThroughput.NumberOfDecreasesToday"]
set TableDescriptionProvisionedThroughputReadCapacityUnits [CkJsonObject_IntOf $jsonResponse "TableDescription.ProvisionedThroughput.ReadCapacityUnits"]
set TableDescriptionProvisionedThroughputWriteCapacityUnits [CkJsonObject_IntOf $jsonResponse "TableDescription.ProvisionedThroughput.WriteCapacityUnits"]
set TableDescriptionTableName [CkJsonObject_stringOf $jsonResponse "TableDescription.TableName"]
set TableDescriptionTableSizeBytes [CkJsonObject_IntOf $jsonResponse "TableDescription.TableSizeBytes"]
set TableDescriptionTableStatus [CkJsonObject_stringOf $jsonResponse "TableDescription.TableStatus"]
set i 0
set count_i [CkJsonObject_SizeOfArray $jsonResponse "TableDescription.AttributeDefinitions"]
while {$i < $count_i} {
    CkJsonObject_put_I $jsonResponse $i
    set AttributeName [CkJsonObject_stringOf $jsonResponse "TableDescription.AttributeDefinitions[i].AttributeName"]
    set AttributeType [CkJsonObject_stringOf $jsonResponse "TableDescription.AttributeDefinitions[i].AttributeType"]
    set i [expr $i + 1]
}
set i 0
set count_i [CkJsonObject_SizeOfArray $jsonResponse "TableDescription.KeySchema"]
while {$i < $count_i} {
    CkJsonObject_put_I $jsonResponse $i
    set AttributeName [CkJsonObject_stringOf $jsonResponse "TableDescription.KeySchema[i].AttributeName"]
    set KeyType [CkJsonObject_stringOf $jsonResponse "TableDescription.KeySchema[i].KeyType"]
    set i [expr $i + 1]
}
set i 0
set count_i [CkJsonObject_SizeOfArray $jsonResponse "TableDescription.LocalSecondaryIndexes"]
while {$i < $count_i} {
    CkJsonObject_put_I $jsonResponse $i
    set IndexArn [CkJsonObject_stringOf $jsonResponse "TableDescription.LocalSecondaryIndexes[i].IndexArn"]
    set IndexName [CkJsonObject_stringOf $jsonResponse "TableDescription.LocalSecondaryIndexes[i].IndexName"]
    set IndexSizeBytes [CkJsonObject_IntOf $jsonResponse "TableDescription.LocalSecondaryIndexes[i].IndexSizeBytes"]
    set ItemCount [CkJsonObject_IntOf $jsonResponse "TableDescription.LocalSecondaryIndexes[i].ItemCount"]
    set ProjectionProjectionType [CkJsonObject_stringOf $jsonResponse "TableDescription.LocalSecondaryIndexes[i].Projection.ProjectionType"]
    set j 0
    set count_j [CkJsonObject_SizeOfArray $jsonResponse "TableDescription.LocalSecondaryIndexes[i].KeySchema"]
    while {$j < $count_j} {
        CkJsonObject_put_J $jsonResponse $j
        set AttributeName [CkJsonObject_stringOf $jsonResponse "TableDescription.LocalSecondaryIndexes[i].KeySchema[j].AttributeName"]
        set KeyType [CkJsonObject_stringOf $jsonResponse "TableDescription.LocalSecondaryIndexes[i].KeySchema[j].KeyType"]
        set j [expr $j + 1]
    }
    set i [expr $i + 1]
}

delete_CkRest $rest
delete_CkAuthAws $authAws
delete_CkJsonObject $json
delete_CkStringBuilder $sbRequestBody
delete_CkStringBuilder $sbResponseBody
delete_CkJsonObject $jsonResponse