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Add JSON Path expression evaluation support (#7315)

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- Includes support for FROM clause JSON path
This commit is contained in:
Aditya Manthramurthy
2019-03-09 08:13:37 -08:00
committed by Harshavardhana
parent b296b3cf8b
commit e463386921
15 changed files with 488 additions and 59 deletions
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6
pkg/s3select/select.go
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@@ -246,7 +246,7 @@ func (s3Select *S3Select) outputRecord() sql.Record {
case csvFormat:
return csv.NewRecord()
case jsonFormat:
return json.NewRecord()
return json.NewRecord(sql.SelectFmtJSON)
}
panic(fmt.Errorf("unknown output format '%v'", s3Select.Output.format))
@@ -391,6 +391,10 @@ func (s3Select *S3Select) Evaluate(w http.ResponseWriter) {
break
}
if inputRecord, err = s3Select.statement.EvalFrom(s3Select.Input.format, inputRecord); err != nil {
break
}
if s3Select.statement.IsAggregated() {
if err = s3Select.statement.AggregateRow(inputRecord); err != nil {
break