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64 lines
1.9 KiB
64 lines
1.9 KiB
6 years ago
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/*
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* Minio Cloud Storage, (C) 2018 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package format
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import "encoding/xml"
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// Select Interface helper methods, implementing features needed for
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// https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectSELECTContent.html
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type Select interface {
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Type() Type
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Read() (map[string]interface{}, error)
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Header() []string
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HasHeader() bool
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OutputFieldDelimiter() string
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UpdateBytesProcessed(record map[string]interface{})
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Expression() string
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UpdateBytesReturned(int64)
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CreateStatXML() (string, error)
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CreateProgressXML() (string, error)
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ColNameErrs(columnNames []string) error
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Progress() bool
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}
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// Progress represents a struct that represents the format for XML of the
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// progress messages
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type Progress struct {
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XMLName xml.Name `xml:"Progress" json:"-"`
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BytesScanned int64 `xml:"BytesScanned"`
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BytesProcessed int64 `xml:"BytesProcessed"`
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BytesReturned int64 `xml:"BytesReturned"`
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}
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// Stats represents a struct that represents the format for XML of the stat
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// messages
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type Stats struct {
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XMLName xml.Name `xml:"Stats" json:"-"`
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BytesScanned int64 `xml:"BytesScanned"`
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BytesProcessed int64 `xml:"BytesProcessed"`
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BytesReturned int64 `xml:"BytesReturned"`
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}
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// Type different types of support data format types.
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type Type string
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// Different data format types.
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const (
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JSON Type = "json"
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CSV Type = "csv"
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)
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