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