com.yahoo.bard.webservice.sql

Interface SqlBackedClient

All Known Implementing Classes:

DefaultSqlBackedClient

public interface SqlBackedClient

Allows queries to be executed on a sql backend from a DruidQuery.

Method Summary

Modifier and Type	Method and Description
Future<com.fasterxml.jackson.databind.JsonNode>	executeQuery(DruidQuery<?> druidQuery, SuccessCallback successCallback, FailureCallback failureCallback) Uses a DruidQuery to fetch results from a Sql client, parses the results from Sql and returns an equivalent JsonNode to what druid would respond with.

Method Detail

executeQuery

Future<com.fasterxml.jackson.databind.JsonNode> executeQuery(DruidQuery<?> druidQuery,
                                                             SuccessCallback successCallback,
                                                             FailureCallback failureCallback)

Uses a DruidQuery to fetch results from a Sql client, parses the results from Sql and returns an equivalent JsonNode to what druid would respond with.

Parameters:

druidQuery - The query to be executed.

successCallback - The callback for handling a successful result.

failureCallback - The callback for handling exceptions

Returns:

a json result replicating druid's responses.