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https://issues.apache.org/jira/browse/FLINK-8866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16534331#comment-16534331
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ASF GitHub Bot commented on FLINK-8866:
---------------------------------------

Github user walterddr commented on a diff in the pull request:

    https://github.com/apache/flink/pull/6201#discussion_r200524149
  
    --- Diff: 
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/connector/TableConnectorFactoryService.scala
 ---
    @@ -16,57 +16,57 @@
      * limitations under the License.
      */
     
    -package org.apache.flink.table.sources
    +package org.apache.flink.table.connector
     
     import java.util.{ServiceConfigurationError, ServiceLoader}
     
    -import org.apache.flink.table.api.{AmbiguousTableSourceException, 
NoMatchingTableSourceException, TableException, ValidationException}
    -import 
org.apache.flink.table.descriptors.ConnectorDescriptorValidator.CONNECTOR_PROPERTY_VERSION
    -import 
org.apache.flink.table.descriptors.FormatDescriptorValidator.FORMAT_PROPERTY_VERSION
    -import 
org.apache.flink.table.descriptors.MetadataValidator.METADATA_PROPERTY_VERSION
    -import 
org.apache.flink.table.descriptors.StatisticsValidator.STATISTICS_PROPERTY_VERSION
    -import org.apache.flink.table.descriptors._
    +import org.apache.flink.table.api._
    +import org.apache.flink.table.descriptors.ConnectorDescriptorValidator._
    +import org.apache.flink.table.descriptors.FormatDescriptorValidator._
    +import org.apache.flink.table.descriptors.MetadataValidator._
    +import org.apache.flink.table.descriptors.StatisticsValidator._
    +import org.apache.flink.table.descriptors.{DescriptorProperties, 
TableDescriptor, TableDescriptorValidator}
    +import org.apache.flink.table.sinks.TableSink
    +import org.apache.flink.table.sources.TableSource
     import org.apache.flink.table.util.Logging
     
    -import scala.collection.JavaConverters._
    -import scala.collection.mutable
    +import _root_.scala.collection.JavaConverters._
    +import _root_.scala.collection.mutable
     
     /**
    -  * Service provider interface for finding suitable table source factories 
for the given properties.
    +  * Unified interface to create TableConnectors, e.g. 
[[org.apache.flink.table.sources.TableSource]]
    +  * and [[org.apache.flink.table.sinks.TableSink]].
       */
    -object TableSourceFactoryService extends Logging {
    +class TableConnectorFactoryService[T] extends Logging {
    --- End diff --
    
    also just `TableFactoryService` ?


> Create unified interfaces to configure and instatiate TableSinks
> ----------------------------------------------------------------
>
>                 Key: FLINK-8866
>                 URL: https://issues.apache.org/jira/browse/FLINK-8866
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API & SQL
>            Reporter: Timo Walther
>            Assignee: Shuyi Chen
>            Priority: Major
>              Labels: pull-request-available
>
> Similar to the efforts done in FLINK-8240. We need unified ways to configure 
> and instantiate TableSinks. Among other applications, this is necessary in 
> order to declare table sinks in an environment file of the SQL client. Such 
> that the sink can be used for {{INSERT INTO}} statements.
> Below are a few major changes in mind. 
> 1) Add TableSinkFactory/TableSinkFactoryService similar to 
> TableSourceFactory/TableSourceFactoryService
> 2) Add a common property called "type" with values (source, sink and both) 
> for both TableSource and TableSink.
> 3) in yaml file, replace "sources" with "tables", and use tableType to 
> identify whether it's source or sink.



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