Chilkat Online Tools

DescribeStatement Perl Example

Amazon Redshift Data API

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("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 = $rest->Connect("redshift-data.us-west-2.amazonaws.com",443,1,1);
if ($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("Id","string");

# The JSON request body created by the above code:

# {
#   "Id": "string"
# }

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

$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

$ClusterIdentifier = $jResp->stringOf("ClusterIdentifier");
$CreatedAt = $jResp->IntOf("CreatedAt");
$Database = $jResp->stringOf("Database");
$DbUser = $jResp->stringOf("DbUser");
$Duration = $jResp->IntOf("Duration");
$Error = $jResp->stringOf("Error");
$HasResultSet = $jResp->IntOf("HasResultSet");
$Id = $jResp->stringOf("Id");
$QueryString = $jResp->stringOf("QueryString");
$RedshiftPid = $jResp->IntOf("RedshiftPid");
$RedshiftQueryId = $jResp->IntOf("RedshiftQueryId");
$ResultRows = $jResp->IntOf("ResultRows");
$ResultSize = $jResp->IntOf("ResultSize");
$SecretArn = $jResp->stringOf("SecretArn");
$Status = $jResp->stringOf("Status");
$UpdatedAt = $jResp->IntOf("UpdatedAt");
$i = 0;
$count_i = $jResp->SizeOfArray("QueryParameters");
while ($i < $count_i) {
    $jResp->put_I($i);
    $name = $jResp->stringOf("QueryParameters[i].name");
    $value = $jResp->stringOf("QueryParameters[i].value");
    $i = $i + 1;
}

$i = 0;
$count_i = $jResp->SizeOfArray("SubStatements");
while ($i < $count_i) {
    $jResp->put_I($i);
    $CreatedAt = $jResp->IntOf("SubStatements[i].CreatedAt");
    $Duration = $jResp->IntOf("SubStatements[i].Duration");
    $Error = $jResp->stringOf("SubStatements[i].Error");
    $HasResultSet = $jResp->IntOf("SubStatements[i].HasResultSet");
    $Id = $jResp->stringOf("SubStatements[i].Id");
    $QueryString = $jResp->stringOf("SubStatements[i].QueryString");
    $RedshiftQueryId = $jResp->IntOf("SubStatements[i].RedshiftQueryId");
    $ResultRows = $jResp->IntOf("SubStatements[i].ResultRows");
    $ResultSize = $jResp->IntOf("SubStatements[i].ResultSize");
    $Status = $jResp->stringOf("SubStatements[i].Status");
    $UpdatedAt = $jResp->IntOf("SubStatements[i].UpdatedAt");
    $i = $i + 1;
}

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

# {
#   "ClusterIdentifier": "string",
#   "CreatedAt": number,
#   "Database": "string",
#   "DbUser": "string",
#   "Duration": number,
#   "Error": "string",
#   "HasResultSet": boolean,
#   "Id": "string",
#   "QueryParameters": [
#     {
#       "name": "string",
#       "value": "string"
#     }
#   ],
#   "QueryString": "string",
#   "RedshiftPid": number,
#   "RedshiftQueryId": number,
#   "ResultRows": number,
#   "ResultSize": number,
#   "SecretArn": "string",
#   "Status": "string",
#   "SubStatements": [
#     {
#       "CreatedAt": number,
#       "Duration": number,
#       "Error": "string",
#       "HasResultSet": boolean,
#       "Id": "string",
#       "QueryString": "string",
#       "RedshiftQueryId": number,
#       "ResultRows": number,
#       "ResultSize": number,
#       "Status": "string",
#       "UpdatedAt": number
#     }
#   ],
#   "UpdatedAt": number
# }