influxdb/query/bridges.go

37 lines
964 B
Go

package query
import (
"context"
"io"
"github.com/influxdata/flux"
)
// QueryServiceBridge implements the QueryService interface while consuming the AsyncQueryService interface.
type QueryServiceBridge struct {
AsyncQueryService AsyncQueryService
}
func (b QueryServiceBridge) Query(ctx context.Context, req *Request) (flux.ResultIterator, error) {
query, err := b.AsyncQueryService.Query(ctx, req)
if err != nil {
return nil, err
}
return flux.NewResultIteratorFromQuery(query), nil
}
// ProxyQueryServiceBridge implements ProxyQueryService while consuming a QueryService interface.
type ProxyQueryServiceBridge struct {
QueryService QueryService
}
func (b ProxyQueryServiceBridge) Query(ctx context.Context, w io.Writer, req *ProxyRequest) (int64, error) {
results, err := b.QueryService.Query(ctx, &req.Request)
if err != nil {
return 0, err
}
defer results.Cancel()
encoder := req.Dialect.Encoder()
return encoder.Encode(w, results)
}