Details
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Bug
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Status: Open (View Workflow)
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Critical
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Resolution: Unresolved
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None
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None
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None
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Q4/2025 Server Maintenance
Description
Fast >= 11.4 server analysis shows that Select handler is not called in case of multi-table update/deletes thus MCS DELETE/UPDATE pipeline that relied on this got broken.
Consider scenario from MCOL issue attached below.
Here is a log for ES 11.4. The linked MCOL has a scenario for ES 10.6 that doesn't have this issue.
MariaDB [tpch1]> create table product_tag (product_id bigint)engine=columnstore;
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Query OK, 0 rows affected (0.454 sec)
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MariaDB [tpch1]> CREATE TABLE `product` (
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-> `product_id` bigint(20) DEFAULT NULL,
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-> `price` bigint(20) DEFAULT NULL,
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-> `short_description` varchar(7998) DEFAULT NULL,
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-> `brand` varchar(254) DEFAULT NULL,
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-> `modified_dtm` datetime DEFAULT NULL,
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-> `created_dtm` datetime DEFAULT NULL,
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-> `modified_by` int(11) DEFAULT NULL
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-> ) engine=columnstore DEFAULT CHARSET=latin1 ;
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Query OK, 0 rows affected (0.229 sec)
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MariaDB [tpch1]> insert into product_tag values (1),(2),(3),(4);
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Query OK, 4 rows affected (0.286 sec)
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Records: 4 Duplicates: 0 Warnings: 0
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MariaDB [tpch1]> insert into product values (1,22,'fes','rets','2011-12-12 12:12:12','2011-12-13 1:1:10',343);
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Query OK, 1 row affected (0.201 sec)
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MariaDB [tpch1]> insert into product values (3,22,'fes','rets','2011-12-12 12:12:12','2011-12-13 1:1:10',343);
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Query OK, 1 row affected (0.134 sec)
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MariaDB [tpch1]> select * from product;
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+------------+-------+-------------------+-------+--------------+-------------+-------------+
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| product_id | price | short_description | brand | modified_dtm | created_dtm | modified_by |
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+------------+-------+-------------------+-------+--------------+-------------+-------------+
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| 1 | 22 | fes | rets | 2011-12-12 12:12:12 | 2011-12-13 01:01:10 | 343 |
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| 3 | 22 | fes | rets | 2011-12-12 12:12:12 | 2011-12-13 01:01:10 | 343 |
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+------------+-------+-------------------+-------+--------------+-------------+-------------+
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2 rows in set (0.131 sec)
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MariaDB [tpch1]> update
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-> product p join
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-> (select product_id from product_tag limit 1000) t using (product_id)
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-> set brand=p.product_id, price=555, modified_dtm='2011-12-15 15:15:30',
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-> short_description=concat(short_description,modified_by);
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Query OK, 0 rows affected (0.029 sec)
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Rows matched: 0 Changed: 0 Warnings: 0
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MariaDB [tpch1]> select * from product;
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+------------+-------+-------------------+-------+--------------+-------------+-------------+
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| product_id | price | short_description | brand | modified_dtm | created_dtm | modified_by |
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+------------+-------+-------------------+-------+--------------+-------------+-------------+
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| 1 | 22 | fes | rets | 2011-12-12 12:12:12 | 2011-12-13 01:01:10 | 343 |
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| 3 | 22 | fes | rets | 2011-12-12 12:12:12 | 2011-12-13 01:01:10 | 343 |
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+------------+-------+-------------------+-------+--------------+-------------+-------------+
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2 rows in set (0.007 sec)
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