/
datatypes.go
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/
datatypes.go
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/*
* Minio Cloud Storage, (C) 2018 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 s3select
import (
"encoding/xml"
)
// CSVFileHeaderInfo -Can be either USE IGNORE OR NONE, defines what to do with
// the first row
type CSVFileHeaderInfo string
// Constants for file header info.
const (
CSVFileHeaderInfoNone CSVFileHeaderInfo = "NONE"
CSVFileHeaderInfoIgnore = "IGNORE"
CSVFileHeaderInfoUse = "USE"
)
// The maximum character per record is set to be 1 MB.
const (
MaxCharsPerRecord = 1000000
)
// SelectCompressionType - ONLY GZIP is supported
type SelectCompressionType string
// JSONType determines json input serialization type.
type JSONType string
// Constants for compression types under select API.
const (
SelectCompressionNONE SelectCompressionType = "NONE"
SelectCompressionGZIP = "GZIP"
SelectCompressionBZIP = "BZIP2"
)
// CSVQuoteFields - Can be either Always or AsNeeded
type CSVQuoteFields string
// Constants for csv quote styles.
const (
CSVQuoteFieldsAlways CSVQuoteFields = "Always"
CSVQuoteFieldsAsNeeded = "AsNeeded"
)
// QueryExpressionType - Currently can only be SQL
type QueryExpressionType string
// Constants for expression type.
const (
QueryExpressionTypeSQL QueryExpressionType = "SQL"
)
// Constants for JSONTypes.
const (
JSONTypeDocument JSONType = "DOCUMENT"
JSONLinesType = "LINES"
)
// ObjectSelectRequest - represents the input select body
type ObjectSelectRequest struct {
XMLName xml.Name `xml:"SelectObjectContentRequest" json:"-"`
Expression string
ExpressionType QueryExpressionType
InputSerialization struct {
CompressionType SelectCompressionType
Parquet *struct{}
CSV *struct {
FileHeaderInfo CSVFileHeaderInfo
RecordDelimiter string
FieldDelimiter string
QuoteCharacter string
QuoteEscapeCharacter string
Comments string
}
JSON *struct {
Type JSONType
}
}
OutputSerialization struct {
CSV *struct {
QuoteFields CSVQuoteFields
RecordDelimiter string
FieldDelimiter string
QuoteCharacter string
QuoteEscapeCharacter string
}
JSON *struct {
RecordDelimiter string
}
}
RequestProgress struct {
Enabled bool
}
}