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  1. MariaDB Server
  2. MDEV-29199

Unique hash key is ignored upon INSERT ... SELECT into non-empty MyISAM table

Details

    Description

      The patch from MDEV-23264 (bb-10.4-MDEV-23264 b2eb92843c) does not fix it.

      --source include/have_sequence.inc
      		 
       
      		 
      create or replace table t (a int, b text, unique(b)) engine=MyISAM;
      		 
      insert into t values (0,'aa');
      		 
      insert into t (a,b) select 1,'xxx' from seq_1_to_5;
      		 
      select * from t;
      		 
       
      		 
      # Cleanup
      		 
      drop table t;

      10.4 f0107c90

      		 
      insert into t (a,b) select 1,'xxx' from seq_1_to_5;
      		 
      select * from t;
      		 
      a	b
      		 
      0	aa
      		 
      1	xxx
      		 
      1	xxx
      		 
      1	xxx
      		 
      1	xxx
      		 
      1	xxx

      Attachments

        Issue Links

          is caused by

          Task - A task that needs to be done. MDEV-371 Unique indexes for blobs

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

          Bug - A problem which impairs or prevents the functions of the product. MDEV-23264 Unique blobs allow duplicate values upon UPDATE

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

          Activity

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            elenst Elena Stepanova created issue -
            elenst Elena Stepanova made changes -
            Field Original Value New Value
            elenst Elena Stepanova made changes -
            Summary Unique hash key is ignored upon INSERT ... SELECT into MyISAM table Unique hash key is ignored upon INSERT ... SELECT into non-empty MyISAM table
            elenst Elena Stepanova made changes -
            elenst Elena Stepanova made changes -
            elenst Elena Stepanova made changes -
            serg Sergei Golubchik made changes -
            Assignee Oleksandr Byelkin [ sanja ] Sergei Golubchik [ serg ]
            serg Sergei Golubchik made changes -
            Status Open [ 1 ] In Progress [ 3 ]
            serg Sergei Golubchik made changes -
            Status In Progress [ 3 ] Stalled [ 10000 ]
            serg Sergei Golubchik made changes -
            Status Stalled [ 10000 ] In Testing [ 10301 ]
            serg Sergei Golubchik made changes -
            Fix Version/s 10.4.28 [ 28509 ]
            Fix Version/s 10.5.19 [ 28511 ]
            Fix Version/s 10.6.12 [ 28513 ]
            Fix Version/s 10.7.8 [ 28515 ]
            Fix Version/s 10.8.7 [ 28517 ]
            Fix Version/s 10.9.5 [ 28519 ]
            Fix Version/s 10.10.3 [ 28521 ]
            Fix Version/s 10.11.2 [ 28523 ]
            Fix Version/s 10.4 [ 22408 ]
            Fix Version/s 10.5 [ 23123 ]
            Fix Version/s 10.6 [ 24028 ]
            Fix Version/s 10.7 [ 24805 ]
            Fix Version/s 10.8 [ 26121 ]
            Fix Version/s 10.9 [ 26905 ]
            Resolution Fixed [ 1 ]
            Status In Testing [ 10301 ] Closed [ 6 ]

            People

              serg Sergei Golubchik
              elenst Elena Stepanova
              Votes:
              1 Vote for this issue
              Watchers:
              4 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

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