[ https://issues.apache.org/jira/browse/ARROW-7051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ben Kietzman reassigned ARROW-7051: ----------------------------------- Assignee: (was: Ben Kietzman) > [C++] Improve MakeArrayOfNull to support creation of multiple arrays > -------------------------------------------------------------------- > > Key: ARROW-7051 > URL: https://issues.apache.org/jira/browse/ARROW-7051 > Project: Apache Arrow > Issue Type: Improvement > Components: C++ > Affects Versions: 0.14.0 > Reporter: Ben Kietzman > Priority: Minor > > MakeArrayOfNull reuses a single buffer of {{0}} for all buffers in the array > it creates. It could be extended to reuse that same buffer for all buffers in > multiple arrays. This optimization will make RecordBatchProjector and > ConcatenateTablesWithPromotion more memory efficient -- This message was sent by Atlassian Jira (v8.3.4#803005)