[MDEV-17096] Pushdown of simple derived tables to storage engines Created: 2018-08-29  Updated: 2019-08-01  Resolved: 2019-02-24

Status: Closed
Project: MariaDB Server
Component/s: Optimizer
Fix Version/s: 10.4.3

Type: Task Priority: Critical
Reporter: Igor Babaev Assignee: Igor Babaev
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
Blocks
blocks MDEV-9062 join pushdown to storage engines Open
Problem/Incident
is caused by MCOL-1097 MariaDB ColumnStore Generic Engine ph... Closed

 Description   

In the scope of this task a derived table is called simple if its specification contains only one SELECT.
The following will be developed within this task

  • interface functions to support pushing simple derived tables whose specification uses only tables of a certain engine into this engine
  • implementations of these interface functions for FEDERATEDX to check the viability of the interface

 Comments   
Comment by Igor Babaev [ 2019-02-24 ]

The patches for this task were pushed into 10.4

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