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How can I modify UNIQUE Constraint in table via 'upgradeschema'?


Magento 2 Add “VARCHAR” type field into custom tableMagento 2 : How To Create UNIQUE KEY Field in Custom TabelMagento:2 How to save unique values for my custom admin moduleError in Grid magento 2 Fatal error: Method MagentoUiTemplateEngineXhtmlResult::__toString()I have created an extension to show Customer Company Name in Order grid. But when creating new order, order is not showing in order gridHow can I add UNIQUE Constraint in table via 'InstallSchema'?Add categories automatically - Unique constraint violation foundHow does magento 2 control that the email have to be uniqueUnique constraint violation found on “catalog_product_entity_tier_price”Magento 2 Fatal error when adding date field in admin form and save






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








0















I want to modify custom field say my_id with constraints UNIQUE KEY in custom extension table.



I have tried with this...



$installer->getIdxName(
$installer->getTable('test'),
['my_id'],
MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
);


How can I do this in Magento2?










share|improve this question









New contributor



Viladhi Meer Thennarasu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

























    0















    I want to modify custom field say my_id with constraints UNIQUE KEY in custom extension table.



    I have tried with this...



    $installer->getIdxName(
    $installer->getTable('test'),
    ['my_id'],
    MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
    );


    How can I do this in Magento2?










    share|improve this question









    New contributor



    Viladhi Meer Thennarasu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.





















      0












      0








      0








      I want to modify custom field say my_id with constraints UNIQUE KEY in custom extension table.



      I have tried with this...



      $installer->getIdxName(
      $installer->getTable('test'),
      ['my_id'],
      MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
      );


      How can I do this in Magento2?










      share|improve this question









      New contributor



      Viladhi Meer Thennarasu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      I want to modify custom field say my_id with constraints UNIQUE KEY in custom extension table.



      I have tried with this...



      $installer->getIdxName(
      $installer->getTable('test'),
      ['my_id'],
      MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
      );


      How can I do this in Magento2?







      magento2






      share|improve this question









      New contributor



      Viladhi Meer Thennarasu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share|improve this question









      New contributor



      Viladhi Meer Thennarasu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      share|improve this question




      share|improve this question








      edited May 14 at 12:48









      surbhi agr

      48312




      48312






      New contributor



      Viladhi Meer Thennarasu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      asked May 14 at 12:08









      Viladhi Meer ThennarasuViladhi Meer Thennarasu

      1




      1




      New contributor



      Viladhi Meer Thennarasu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.




      New contributor




      Viladhi Meer Thennarasu is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















          1 Answer
          1






          active

          oldest

          votes


















          0














          You can add new unique index this way:



           $installer->getConnection()->addIndex(
          $installer->getTable('test'),
          $installer->getIdxName(
          'test',
          ['my_id'],
          MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
          ),
          ['my_id'],
          MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
          );


          Existing index could be dropped using this code:



           $connection->dropIndex(
          $installer->getTable('test'),
          $installer->getIdxName(
          'test',
          ['my_id'],
          MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
          )
          );





          share|improve this answer

























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            1 Answer
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            active

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            1 Answer
            1






            active

            oldest

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            active

            oldest

            votes






            active

            oldest

            votes









            0














            You can add new unique index this way:



             $installer->getConnection()->addIndex(
            $installer->getTable('test'),
            $installer->getIdxName(
            'test',
            ['my_id'],
            MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
            ),
            ['my_id'],
            MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
            );


            Existing index could be dropped using this code:



             $connection->dropIndex(
            $installer->getTable('test'),
            $installer->getIdxName(
            'test',
            ['my_id'],
            MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
            )
            );





            share|improve this answer





























              0














              You can add new unique index this way:



               $installer->getConnection()->addIndex(
              $installer->getTable('test'),
              $installer->getIdxName(
              'test',
              ['my_id'],
              MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
              ),
              ['my_id'],
              MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
              );


              Existing index could be dropped using this code:



               $connection->dropIndex(
              $installer->getTable('test'),
              $installer->getIdxName(
              'test',
              ['my_id'],
              MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
              )
              );





              share|improve this answer



























                0












                0








                0







                You can add new unique index this way:



                 $installer->getConnection()->addIndex(
                $installer->getTable('test'),
                $installer->getIdxName(
                'test',
                ['my_id'],
                MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
                ),
                ['my_id'],
                MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
                );


                Existing index could be dropped using this code:



                 $connection->dropIndex(
                $installer->getTable('test'),
                $installer->getIdxName(
                'test',
                ['my_id'],
                MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
                )
                );





                share|improve this answer















                You can add new unique index this way:



                 $installer->getConnection()->addIndex(
                $installer->getTable('test'),
                $installer->getIdxName(
                'test',
                ['my_id'],
                MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
                ),
                ['my_id'],
                MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
                );


                Existing index could be dropped using this code:



                 $connection->dropIndex(
                $installer->getTable('test'),
                $installer->getIdxName(
                'test',
                ['my_id'],
                MagentoFrameworkDBAdapterAdapterInterface::INDEX_TYPE_UNIQUE
                )
                );






                share|improve this answer














                share|improve this answer



                share|improve this answer








                edited May 14 at 12:26

























                answered May 14 at 12:21









                Siarhey UchukhlebauSiarhey Uchukhlebau

                10.3k93058




                10.3k93058




















                    Viladhi Meer Thennarasu is a new contributor. Be nice, and check out our Code of Conduct.









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                    Viladhi Meer Thennarasu is a new contributor. Be nice, and check out our Code of Conduct.












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                    Viladhi Meer Thennarasu is a new contributor. Be nice, and check out our Code of Conduct.














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