npawar opened a new pull request #5430:
URL: https://github.com/apache/incubator-pinot/pull/5430
Still a WIP, not ready for review.
Handles cases like
```
{
"orderNumber": 100,
"orderTime": "2019-08-10",
"payload": {
"lineItems": [
{
"itemNumber": 300,
"price" : 400
},
{
"itemNumber": 3,
"price" : 55
},
{
"itemNumber": 1,
"price" : 3333
}
]
}
}
```
getting converted to multiple records in Pinot
```
{ "orderNumber": 100, "orderTime": "2019-08-10" "itemNumber": 300, "price" :
400},
{ "orderNumber": 100, "orderTime": "2019-08-10" "itemNumber": 3, "price" :
55},
{ "orderNumber": 100, "orderTime": "2019-08-10" "itemNumber": 1, "price" :
3333}
```
For batch, set in job spec yml file
```
recordReaderSpec:
dataFormat: 'json'
className: 'org.apache.pinot.plugin.inputformat.json.JSONRecordReader'
configClassName:
'org.apache.pinot.plugin.inputformat.json.JSONRecordReaderConfig'
configs:
flattenJsonPath: "\$.payload.lineItems[*]"
```
For stream, set in streamConfig's decoder properties
```
"stream.kafka.decoder.class.name":
"org.apache.pinot.plugin.stream.kafka.KafkaJSONMessageDecoder",
"stream.kafka.decoder.prop.flattenJsonPath": "$.payload.lineItems[*]",
```
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