WordPress database error: [Incorrect key file for table '/tmp/mysqltmp/#sql_135f_0.MYI'; try to repair it]
SHOW COLUMNS FROM wp_users LIKE 'knr_author_order'

WordPress database error: [Duplicate column name 'knr_author_order']
ALTER TABLE wp_users ADD `knr_author_order` INT( 4 ) NULL DEFAULT '0'

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