Chilkat Online Tools

GetQueryResults 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->UpdateInt("MaxResults",123);
$json->UpdateString("NextToken","string");
$json->UpdateString("QueryExecutionId","string");

# The JSON request body created by the above code:

# {
#   "MaxResults": number,
#   "NextToken": "string",
#   "QueryExecutionId": "string"
# }

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

$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

$NextToken = $jResp->stringOf("NextToken");
$UpdateCount = $jResp->IntOf("UpdateCount");
$i = 0;
$count_i = $jResp->SizeOfArray("ResultSet.ResultSetMetadata.ColumnInfo");
while ($i < $count_i) {
    $jResp->put_I($i);
    $CaseSensitive = $jResp->IntOf("ResultSet.ResultSetMetadata.ColumnInfo[i].CaseSensitive");
    $CatalogName = $jResp->stringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].CatalogName");
    $Label = $jResp->stringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].Label");
    $Name = $jResp->stringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].Name");
    $Nullable = $jResp->stringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].Nullable");
    $Precision = $jResp->IntOf("ResultSet.ResultSetMetadata.ColumnInfo[i].Precision");
    $Scale = $jResp->IntOf("ResultSet.ResultSetMetadata.ColumnInfo[i].Scale");
    $SchemaName = $jResp->stringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].SchemaName");
    $TableName = $jResp->stringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].TableName");
    $v_Type = $jResp->stringOf("ResultSet.ResultSetMetadata.ColumnInfo[i].Type");
    $i = $i + 1;
}

$i = 0;
$count_i = $jResp->SizeOfArray("ResultSet.Rows");
while ($i < $count_i) {
    $jResp->put_I($i);
    $j = 0;
    $count_j = $jResp->SizeOfArray("ResultSet.Rows[i].Data");
    while ($j < $count_j) {
        $jResp->put_J($j);
        $VarCharValue = $jResp->stringOf("ResultSet.Rows[i].Data[j].VarCharValue");
        $j = $j + 1;
    }

    $i = $i + 1;
}

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

# {
#   "NextToken": "string",
#   "ResultSet": {
#     "ResultSetMetadata": {
#       "ColumnInfo": [
#         {
#           "CaseSensitive": boolean,
#           "CatalogName": "string",
#           "Label": "string",
#           "Name": "string",
#           "Nullable": "string",
#           "Precision": number,
#           "Scale": number,
#           "SchemaName": "string",
#           "TableName": "string",
#           "Type": "string"
#         }
#       ]
#     },
#     "Rows": [
#       {
#         "Data": [
#           {
#             "VarCharValue": "string"
#           }
#         ]
#       }
#     ]
#   },
#   "UpdateCount": number
# }