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![MySQL Schema class needs to check for existing indexes for alter queries [#2770321] | Drupal.org](https://www.drupal.org/files/issues/Selection_293_0.png "MySQL Schema class needs to check for existing indexes for alter queries [#2770321] | Drupal.org")
MySQL Schema class needs to check for existing indexes for alter queries [#2770321] | Drupal.org
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