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SQL select query for CSV/JSON (#6648)

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select * , select column names have been implemented for CSV.
select * is implemented for JSON.
This commit is contained in:
Ashish Kumar Sinha
2018-10-23 00:42:22 +05:30
committed by kannappanr
parent acf46cc3b5
commit c0b4bf0a3e
111 changed files with 12888 additions and 1398 deletions
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84
cmd/api-datatypes.go
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@@ -25,90 +25,6 @@ const (
responseRequestIDKey = "x-amz-request-id"
)
// 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"
)
// SelectCompressionType - ONLY GZIP is supported
type SelectCompressionType 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"
)
// JSONType determines json input serialization type.
type JSONType string
// Constants for JSONTypes.
const (
JSONDocumentType 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
}
}
// ObjectIdentifier carries key name for the object to delete.
type ObjectIdentifier struct {
ObjectName string `xml:"Key"`