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This patch introduces an internal aggregate operator SELECT_SOME that is automatically added to columns that are not in GROUP BY. It "computes" some plausible value of the column (actually, last one passed). Along the way it fixes incorrect handling of HAVING being transferred into WHERE, window function handling and a bit of other inconsistencies.
MariaDB ColumnStore Storage engine 23.02.X
It is built by porting InfiniDB 4.6.7 on MariaDB and adding entirely new features not found anywhere else.
Building
This repository is not meant to be built independently outside of MariaDB server.
https://github.com/MariaDB/server
See building instructions here.
Issue tracking
Issue tracking of MariaDB ColumnStore happens in JIRA, https://jira.mariadb.org/browse/MCOL
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