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S3 Select: Parsing tweaks (#8261)

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* Don't output empty lines.
* Trim whitespace from byte to int/float/bool conversions.
This commit is contained in:
Klaus Post
2019-09-17 17:21:23 -07:00
committed by Harshavardhana
parent cb01516a26
commit dac1cf5a9a
4 changed files with 490 additions and 20 deletions
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10
pkg/s3select/select.go
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@@ -470,13 +470,15 @@ func (s3Select *S3Select) Evaluate(w http.ResponseWriter) {
outputRecord = s3Select.outputRecord()
outputQueue[len(outputQueue)-1] = outputRecord
}
if err = s3Select.statement.Eval(inputRecord, outputRecord); err != nil {
break
}
if outputRecord == nil {
var ok bool
ok, err = s3Select.statement.Eval(inputRecord, outputRecord)
if !ok || err != nil {
// This should not be written.
// Remove it from the queue.
outputQueue = outputQueue[:len(outputQueue)-1]
if err != nil {
break
}
continue
}