BQResultlessQuery (org.pipecraft.pipes:pipes-google-bq 0.91 API)

All Superinterfaces:

BQQuery<Void,Void>

All Known Subinterfaces:

BQDMLQuery

All Known Implementing Classes:

CreateTableDMLQuery
```
public interface BQResultlessQuery
extends BQQuery<Void,Void>
```
A base interface for BQ queries with no returned result, or with a returned result that can be dropped. Executed via BigQueryConnector

Author:

Eyal Schneider

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default Void`	`aggregate(Iterator<Void> it)`
`default Void`	`mapRow(com.google.cloud.bigquery.FieldValueList row)`

Methods inherited from interface org.pipecraft.infra.bq.BQQuery
getQueryParameters, getSQL, isLegacySQL, mapAndAggregate

- Method Detail
  - mapRow
```
default Void mapRow(com.google.cloud.bigquery.FieldValueList row)
```
    Specified by:
    
    mapRow in interface BQQuery<Void,Void>
    
    Parameters:
    
    row - A result set row
    
    Returns:
    
    The object the row is converted to
  - aggregate
```
default Void aggregate(Iterator<Void> it)
                throws BQException
```
    Specified by:
    
    aggregate in interface BQQuery<Void,Void>
    
    Parameters:
    
    it - An iterator over transformed rows (i.e. rows processed with transformRow(..)). Memory efficient - results are streamed during the iteration.
    
    Returns:
    
    The final result object, obtained by aggregating all result rows
    
    Throws:
    
    BQException - In case that the results can't be aggregated