7 calls to Schema::indexExists() in Drupal 8

Schema::addField in core/lib/Drupal/Core/Database/Driver/mysql/Schema.php

Add a new field to a table.

Schema::addIndex in core/lib/Drupal/Core/Database/Driver/mysql/Schema.php

Add an index.

Schema::addPrimaryKey in core/lib/Drupal/Core/Database/Driver/mysql/Schema.php

Add a primary key.

Schema::addUniqueKey in core/lib/Drupal/Core/Database/Driver/mysql/Schema.php

Add a unique key.

Schema::dropIndex in core/lib/Drupal/Core/Database/Driver/mysql/Schema.php

Drop an index.

Schema::dropPrimaryKey in core/lib/Drupal/Core/Database/Driver/mysql/Schema.php

Drop the primary key.

Schema::dropUniqueKey in core/lib/Drupal/Core/Database/Driver/mysql/Schema.php

Drop a unique key.