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api_op_GetQueryResults.go
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/
api_op_GetQueryResults.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package athena
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
"github.com/aws/aws-sdk-go-v2/service/athena/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Streams the results of a single query execution specified by QueryExecutionId
// from the Athena query results location in Amazon S3. For more information, see
// Working with query results, recent queries, and output files (https://docs.aws.amazon.com/athena/latest/ug/querying.html)
// in the Amazon Athena User Guide. This request does not execute the query but
// returns results. Use StartQueryExecution to run a query. To stream query
// results successfully, the IAM principal with permission to call GetQueryResults
// also must have permissions to the Amazon S3 GetObject action for the Athena
// query results location. IAM principals with permission to the Amazon S3
// GetObject action for the query results location are able to retrieve query
// results from Amazon S3 even if permission to the GetQueryResults action is
// denied. To restrict user or role access, ensure that Amazon S3 permissions to
// the Athena query location are denied.
func (c *Client) GetQueryResults(ctx context.Context, params *GetQueryResultsInput, optFns ...func(*Options)) (*GetQueryResultsOutput, error) {
if params == nil {
params = &GetQueryResultsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "GetQueryResults", params, optFns, c.addOperationGetQueryResultsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*GetQueryResultsOutput)
out.ResultMetadata = metadata
return out, nil
}
type GetQueryResultsInput struct {
// The unique ID of the query execution.
//
// This member is required.
QueryExecutionId *string
// The maximum number of results (rows) to return in this request.
MaxResults *int32
// A token generated by the Athena service that specifies where to continue
// pagination if a previous request was truncated. To obtain the next set of pages,
// pass in the NextToken from the response object of the previous page call.
NextToken *string
noSmithyDocumentSerde
}
type GetQueryResultsOutput struct {
// A token generated by the Athena service that specifies where to continue
// pagination if a previous request was truncated. To obtain the next set of pages,
// pass in the NextToken from the response object of the previous page call.
NextToken *string
// The results of the query execution.
ResultSet *types.ResultSet
// The number of rows inserted with a CREATE TABLE AS SELECT statement.
UpdateCount *int64
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationGetQueryResultsMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsAwsjson11_serializeOpGetQueryResults{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpGetQueryResults{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "GetQueryResults"); err != nil {
return fmt.Errorf("add protocol finalizers: %v", err)
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
return err
}
if err = addRetryMiddlewares(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
return err
}
if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack, options); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
return err
}
if err = addOpGetQueryResultsValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetQueryResults(options.Region), middleware.Before); err != nil {
return err
}
if err = awsmiddleware.AddRecursionDetection(stack); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
if err = addDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
// GetQueryResultsAPIClient is a client that implements the GetQueryResults
// operation.
type GetQueryResultsAPIClient interface {
GetQueryResults(context.Context, *GetQueryResultsInput, ...func(*Options)) (*GetQueryResultsOutput, error)
}
var _ GetQueryResultsAPIClient = (*Client)(nil)
// GetQueryResultsPaginatorOptions is the paginator options for GetQueryResults
type GetQueryResultsPaginatorOptions struct {
// The maximum number of results (rows) to return in this request.
Limit int32
// Set to true if pagination should stop if the service returns a pagination token
// that matches the most recent token provided to the service.
StopOnDuplicateToken bool
}
// GetQueryResultsPaginator is a paginator for GetQueryResults
type GetQueryResultsPaginator struct {
options GetQueryResultsPaginatorOptions
client GetQueryResultsAPIClient
params *GetQueryResultsInput
nextToken *string
firstPage bool
}
// NewGetQueryResultsPaginator returns a new GetQueryResultsPaginator
func NewGetQueryResultsPaginator(client GetQueryResultsAPIClient, params *GetQueryResultsInput, optFns ...func(*GetQueryResultsPaginatorOptions)) *GetQueryResultsPaginator {
if params == nil {
params = &GetQueryResultsInput{}
}
options := GetQueryResultsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &GetQueryResultsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *GetQueryResultsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next GetQueryResults page.
func (p *GetQueryResultsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*GetQueryResultsOutput, error) {
if !p.HasMorePages() {
return nil, fmt.Errorf("no more pages available")
}
params := *p.params
params.NextToken = p.nextToken
var limit *int32
if p.options.Limit > 0 {
limit = &p.options.Limit
}
params.MaxResults = limit
result, err := p.client.GetQueryResults(ctx, ¶ms, optFns...)
if err != nil {
return nil, err
}
p.firstPage = false
prevToken := p.nextToken
p.nextToken = result.NextToken
if p.options.StopOnDuplicateToken &&
prevToken != nil &&
p.nextToken != nil &&
*prevToken == *p.nextToken {
p.nextToken = nil
}
return result, nil
}
func newServiceMetadataMiddleware_opGetQueryResults(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "GetQueryResults",
}
}