[ https://issues.apache.org/jira/browse/DRILL-6687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sorabh Hamirwasia updated DRILL-6687: ------------------------------------- Labels: ready-to-commit (was: ) > Improve RemovingRecordBatch to do transfer when all records needs to be copied > ------------------------------------------------------------------------------ > > Key: DRILL-6687 > URL: https://issues.apache.org/jira/browse/DRILL-6687 > Project: Apache Drill > Issue Type: Improvement > Components: Execution - Relational Operators > Affects Versions: 1.14.0 > Reporter: Sorabh Hamirwasia > Assignee: Sorabh Hamirwasia > Priority: Major > Labels: ready-to-commit > Fix For: 1.15.0 > > > SelectionVector2 contains list of indexes for the rows that > RemovingRecordBatch can copy from underlying RecordBatch. SV2 is created by > operator like Filter, Limit, etc to provide the selected rows from underlying > buffer. Later then RemovingRecordBatch copies the rows based on indexes in > SelectionVector2 to the output container of type NONE. > For cases when all the rows needs to be copied by RemovingRecordBatch from > incoming batch, it can be improved to do full transfer of ValueVectors from > input to output container instead of row by row copy. For example if for an > incoming batch all rows are selected by the Filter condition in > FilterRecordBatch, it will prepare an SV2 with all the record rowIndex. Later > RemovingRecordBatch downstream of Filter can potentially do just transfer > instead of row by row copy. -- This message was sent by Atlassian JIRA (v7.6.3#76005)