Method checkKeyExistence

gpcontrib/gpcloud/src/s3interface.cpp:413–426

}

bool S3InterfaceService::checkKeyExistence(const S3Url &s3Url) {
    HTTPHeaders headers;

    headers.Add(HOST, s3Url.getHostForCurl());
    headers.Add(X_AMZ_CONTENT_SHA256,
                "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");  // sha256hex
                                                                                      // of empty
                                                                                      // string

    SignRequestV4("HEAD", &headers, s3Url.getRegion(), s3Url.getPathForCurl(), "",
                  this->params.getCred());

    return isKeyExisted(headResponseWithRetries(s3Url.getFullUrlForCurl(), headers));
}

string S3InterfaceService::getUploadId(const S3Url &s3Url) {
    HTTPHeaders headers;