[ 'name' => 'dso_id', //column name to be used 'type' => 'VARCHAR(16)', //column type 'index' => 'BTREE', //whether/how to index 'unique' => true, //whether column should be unique 'primary' => true, //whether column should be the primary key ], 'dso.type' => [ 'name' => 'dso_type', 'type' => 'VARCHAR(30)', 'index' => 'BTREE', ], 'dso.deleted' => [ 'name' => 'dso_deleted', 'type' => 'BIGINT', 'index' => 'BTREE', ], 'random_data' => [ 'name' => 'random_data', 'type' => 'VARCHAR(64)', 'index' => 'BTREE', ], ]; }