influxdb/query/csv/dialect.go

42 lines
924 B
Go

package csv
import (
"net/http"
"github.com/influxdata/platform/query"
)
const DialectType = "csv"
// AddDialectMappings adds the influxql specific dialect mappings.
func AddDialectMappings(mappings query.DialectMappings) error {
return mappings.Add(DialectType, func() query.Dialect {
return &Dialect{
ResultEncoderConfig: DefaultEncoderConfig(),
}
})
}
// Dialect describes the output format of queries in CSV.
type Dialect struct {
ResultEncoderConfig
}
func (d Dialect) SetHeaders(w http.ResponseWriter) {
w.Header().Set("Content-Type", "text/csv; charset=utf-8")
w.Header().Set("Transfer-Encoding", "chunked")
}
func (d Dialect) Encoder() query.MultiResultEncoder {
return NewMultiResultEncoder(d.ResultEncoderConfig)
}
func (d Dialect) DialectType() query.DialectType {
return DialectType
}
func DefaultDialect() *Dialect {
return &Dialect{
ResultEncoderConfig: DefaultEncoderConfig(),
}
}