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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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pkg/s3select/output.go
+6 -6
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@@ -282,7 +282,7 @@ func writeProgressHeader() []byte {
// writeRecordMessage is the function which constructs the binary message for a
// record message to be sent.
func (csvOutput *Input) writeRecordMessage(payload string, currentMessage *bytes.Buffer) *bytes.Buffer {
func writeRecordMessage(payload string, currentMessage *bytes.Buffer) *bytes.Buffer {
// The below are the specifications of the header for a "record" event
// 11 -event type - 7 - 7 "Records"
// 13 -content-type -7 -24 "application/octet-stream"
@@ -310,7 +310,7 @@ func (csvOutput *Input) writeRecordMessage(payload string, currentMessage *bytes
// writeContinuationMessage is the function which constructs the binary message
// for a continuation message to be sent.
func (csvOutput *Input) writeContinuationMessage(currentMessage *bytes.Buffer) *bytes.Buffer {
func writeContinuationMessage(currentMessage *bytes.Buffer) *bytes.Buffer {
// 11 -event type - 7 - 4 "Cont"
// 13 -message-type -7 5 "event"
// This is predefined from AMZ protocol found here:
@@ -333,7 +333,7 @@ func (csvOutput *Input) writeContinuationMessage(currentMessage *bytes.Buffer) *
// writeEndMessage is the function which constructs the binary message
// for a end message to be sent.
func (csvOutput *Input) writeEndMessage(currentMessage *bytes.Buffer) *bytes.Buffer {
func writeEndMessage(currentMessage *bytes.Buffer) *bytes.Buffer {
// 11 -event type - 7 - 3 "End"
// 13 -message-type -7 5 "event"
// This is predefined from AMZ protocol found here:
@@ -356,7 +356,7 @@ func (csvOutput *Input) writeEndMessage(currentMessage *bytes.Buffer) *bytes.Buf
// writeStateMessage is the function which constructs the binary message for a
// state message to be sent.
func (csvOutput *Input) writeStatMessage(payload string, currentMessage *bytes.Buffer) *bytes.Buffer {
func writeStatMessage(payload string, currentMessage *bytes.Buffer) *bytes.Buffer {
// 11 -event type - 7 - 5 "Stat" 20
// 13 -content-type -7 -8 "text/xml" 25
// 13 -message-type -7 5 "event" 22
@@ -384,7 +384,7 @@ func (csvOutput *Input) writeStatMessage(payload string, currentMessage *bytes.B
// writeProgressMessage is the function which constructs the binary message for
// a progress message to be sent.
func (csvOutput *Input) writeProgressMessage(payload string, currentMessage *bytes.Buffer) *bytes.Buffer {
func writeProgressMessage(payload string, currentMessage *bytes.Buffer) *bytes.Buffer {
// The below are the specifications of the header for a "Progress" event
// 11 -event type - 7 - 8 "Progress" 23
// 13 -content-type -7 -8 "text/xml" 25
@@ -413,7 +413,7 @@ func (csvOutput *Input) writeProgressMessage(payload string, currentMessage *byt
// writeErrorMessage is the function which constructs the binary message for a
// error message to be sent.
func (csvOutput *Input) writeErrorMessage(errorMessage error, currentMessage *bytes.Buffer) *bytes.Buffer {
func writeErrorMessage(errorMessage error, currentMessage *bytes.Buffer) *bytes.Buffer {
// The below are the specifications of the header for a "error" event
// 11 -error-code - 7 - DEFINED "DEFINED"