Chilkat Online Tools

GetTableMetadata Perl Example

Athena

use chilkat();

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

$rest = chilkat::CkRest->new();

$authAws = chilkat::CkAuthAws->new();
$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 = $rest->Connect("athena.us-west-2.amazonaws.com",443,1,1);
if ($success != 1) {
    print "ConnectFailReason: " . $rest->get_ConnectFailReason() . "\r\n";
    print $rest->lastErrorText() . "\r\n";
    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->new();
$json->UpdateString("CatalogName","string");
$json->UpdateString("DatabaseName","string");
$json->UpdateString("TableName","string");

# The JSON request body created by the above code:

# {
#   "CatalogName": "string",
#   "DatabaseName": "string",
#   "TableName": "string"
# }

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

$sbRequestBody = chilkat::CkStringBuilder->new();
$json->EmitSb($sbRequestBody);
$sbResponseBody = chilkat::CkStringBuilder->new();
$success = $rest->FullRequestSb("POST","/",$sbRequestBody,$sbResponseBody);
if ($success != 1) {
    print $rest->lastErrorText() . "\r\n";
    exit;
}

$respStatusCode = $rest->get_ResponseStatusCode();
print "response status code = " . $respStatusCode . "\r\n";
if ($respStatusCode != 200) {
    print "Response Header:" . "\r\n";
    print $rest->responseHeader() . "\r\n";
    print "Response Body:" . "\r\n";
    print $sbResponseBody->getAsString() . "\r\n";
    exit;
}

$jResp = chilkat::CkJsonObject->new();
$jResp->LoadSb($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

$CreateTime = $jResp->IntOf("TableMetadata.CreateTime");
$LastAccessTime = $jResp->IntOf("TableMetadata.LastAccessTime");
$Name = $jResp->stringOf("TableMetadata.Name");
$v_String = $jResp->stringOf("TableMetadata.Parameters.string");
$TableType = $jResp->stringOf("TableMetadata.TableType");
$i = 0;
$count_i = $jResp->SizeOfArray("TableMetadata.Columns");
while ($i < $count_i) {
    $jResp->put_I($i);
    $Comment = $jResp->stringOf("TableMetadata.Columns[i].Comment");
    $Name = $jResp->stringOf("TableMetadata.Columns[i].Name");
    $v_Type = $jResp->stringOf("TableMetadata.Columns[i].Type");
    $i = $i + 1;
}

$i = 0;
$count_i = $jResp->SizeOfArray("TableMetadata.PartitionKeys");
while ($i < $count_i) {
    $jResp->put_I($i);
    $Comment = $jResp->stringOf("TableMetadata.PartitionKeys[i].Comment");
    $Name = $jResp->stringOf("TableMetadata.PartitionKeys[i].Name");
    $v_Type = $jResp->stringOf("TableMetadata.PartitionKeys[i].Type");
    $i = $i + 1;
}

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

# {
#   "TableMetadata": {
#     "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"
#   }
# }