haibow commented on a change in pull request #4774: Refactor virtualColumn to
extraColumn
URL: https://github.com/apache/incubator-pinot/pull/4774#discussion_r343485436
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/segment/extracolumn/ExtraColumnContext.java
##########
@@ -16,14 +16,28 @@
* specific language governing permissions and limitations
* under the License.
*/
-package org.apache.pinot.core.segment.virtualcolumn;
+package org.apache.pinot.core.segment.extracolumn;
+
+import org.apache.pinot.common.data.FieldSpec;
+
/**
- * Virtual column provider that contains the current segment name.
+ * Context used to pass arguments to the extra column provider.
*/
-public class SegmentNameVirtualColumnProvider extends
SingleStringVirtualColumnProvider {
- @Override
- protected String getValue(VirtualColumnContext context) {
- return context.getSegmentName();
+public class ExtraColumnContext {
Review comment:
Github somehow misaligned the files..
-
[VirtualColumnContext](https://github.com/apache/incubator-pinot/blob/master/pinot-core/src/main/java/org/apache/pinot/core/segment/virtualcolumn/VirtualColumnContext.java)
-> ExtraColumnContext
- SegmentNameVirtualColumnProvider and HostNameVirtualColumnProvider are
removed, and merged to SingleStringExtraColumnProvider
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