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  1. MariaDB Server
  2. MDEV-28332

Alter on temporary table causes ER_TABLE_EXISTS_ERROR note

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    Description

      MDEV-12459 introduced a note upon creation of a temporary table which shadows an existing base table; it looks quite natural.
      However, this note is also produced upon ALTER of such a table. That is not natural, even though may be understandable from the technical point of view.

      create table t (a int);
      		 
      create temporary table t (b int);
      		 
      alter table t add c int;
      		 
       
      		 
      # Cleanup
      		 
      drop temporary table t;
      		 
      drop table t;

      preview-10.9-MDEV-20119-misc c906db30

      		 
      alter table t add c int;
      		 
      Warnings:
      		 
      Note	1050	Table 't' already exists

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          is caused by

          Task - A task that needs to be done. MDEV-12459 The information_schema tables for getting temporary tables info is missing, at least for innodb there is no INNODB_TEMP_TABLE_INFO

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

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              anel Anel Husakovic
              elenst Elena Stepanova
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                Updated:
                Resolved:

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