showAlter table (n, NoDefault) =
    concat
    [ "ALTER TABLE "
    , escapeDBName table
    , " ALTER COLUMN "
    , escapeDBName n
    , " DROP DEFAULT"
    ]
showAlter table (n, NoDefault) =
    concat
    [ "ALTER TABLE "
    , escapeDBName table
    , " ALTER COLUMN "
    , escapeDBName n
    , " DROP DEFAULT"
    ]
showAlter table (n, NoDefault) =
    concat
    [ "ALTER TABLE "
    , escapeDBName table
    , " ALTER COLUMN "
    , escapeDBName n
    , " DROP DEFAULT"
    ]