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record.go
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record.go
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/*
* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package sql
import (
"io"
"github.com/bcicen/jstream"
)
// SelectObjectFormat specifies the format of the underlying data
type SelectObjectFormat int
const (
// SelectFmtUnknown - unknown format (default value)
SelectFmtUnknown SelectObjectFormat = iota
// SelectFmtCSV - CSV format
SelectFmtCSV
// SelectFmtJSON - JSON format
SelectFmtJSON
// SelectFmtParquet - Parquet format
SelectFmtParquet
)
// Record - is a type containing columns and their values.
type Record interface {
Get(name string) (*Value, error)
Set(name string, value *Value) error
WriteCSV(writer io.Writer, fieldDelimiter rune) error
WriteJSON(writer io.Writer) error
// Returns underlying representation
Raw() (SelectObjectFormat, interface{})
// Replaces the underlying data
Replace(k jstream.KVS) error
}