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Deal with Postgres's wonky type-changing for nullable columns of views
author Adam Chlipala <adam@chlipala.net>
date Fri, 25 Feb 2011 15:46:29 -0500
parents 541673c3161d
children aae3e3b6a408
rev   line source
adamc@56 1 type int
adamc@56 2 type float
adamc@56 3 type string
adamc@821 4 type char
adamc@436 5 type time
adamc@737 6 type blob
adamc@91 7
adamc@119 8 type unit = {}
adamc@119 9
adamc@186 10 datatype bool = False | True
adamc@186 11
adamc@288 12 datatype option t = None | Some of t
adamc@284 13
adamc@757 14 datatype list t = Nil | Cons of t * list t
adamc@757 15
adamc@91 16
adam@1287 17 (** Polymorphic variants *)
adam@1287 18
adam@1287 19 con variant :: {Type} -> Type
adam@1287 20 val make : nm :: Name -> t ::: Type -> ts ::: {Type} -> [[nm] ~ ts] => t -> variant ([nm = t] ++ ts)
adam@1287 21 val match : ts ::: {Type} -> t ::: Type -> variant ts -> $(map (fn t' => t' -> t) ts) -> t
adam@1287 22
adam@1287 23
adamc@256 24 (** Basic type classes *)
adamc@256 25
adamc@256 26 class eq
adamc@256 27 val eq : t ::: Type -> eq t -> t -> t -> bool
adamc@257 28 val ne : t ::: Type -> eq t -> t -> t -> bool
adamc@256 29 val eq_int : eq int
adamc@394 30 val eq_float : eq float
adamc@256 31 val eq_string : eq string
adamc@821 32 val eq_char : eq char
adamc@256 33 val eq_bool : eq bool
adamc@437 34 val eq_time : eq time
adamc@422 35 val mkEq : t ::: Type -> (t -> t -> bool) -> eq t
adamc@256 36
adamc@389 37 class num
adamc@417 38 val zero : t ::: Type -> num t -> t
adamc@389 39 val neg : t ::: Type -> num t -> t -> t
adamc@389 40 val plus : t ::: Type -> num t -> t -> t -> t
adamc@389 41 val minus : t ::: Type -> num t -> t -> t -> t
adamc@389 42 val times : t ::: Type -> num t -> t -> t -> t
adamc@775 43 val divide : t ::: Type -> num t -> t -> t -> t
adamc@389 44 val mod : t ::: Type -> num t -> t -> t -> t
adamc@389 45 val num_int : num int
adamc@390 46 val num_float : num float
adamc@389 47
adamc@391 48 class ord
adamc@391 49 val lt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 50 val le : t ::: Type -> ord t -> t -> t -> bool
adamc@391 51 val gt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 52 val ge : t ::: Type -> ord t -> t -> t -> bool
adamc@391 53 val ord_int : ord int
adamc@394 54 val ord_float : ord float
adamc@394 55 val ord_string : ord string
adamc@821 56 val ord_char : ord char
adamc@394 57 val ord_bool : ord bool
adamc@437 58 val ord_time : ord time
adamc@961 59 val mkOrd : t ::: Type -> {Lt : t -> t -> bool, Le : t -> t -> bool} -> ord t
adamc@391 60
adamc@256 61
adamc@1061 62 (** Character operations *)
adamc@1061 63
adamc@1061 64 val isalnum : char -> bool
adamc@1061 65 val isalpha : char -> bool
adamc@1061 66 val isblank : char -> bool
adamc@1061 67 val iscntrl : char -> bool
adamc@1061 68 val isdigit : char -> bool
adamc@1061 69 val isgraph : char -> bool
adamc@1061 70 val islower : char -> bool
adamc@1061 71 val isprint : char -> bool
adamc@1061 72 val ispunct : char -> bool
adamc@1061 73 val isspace : char -> bool
adamc@1061 74 val isupper : char -> bool
adamc@1061 75 val isxdigit : char -> bool
adamc@1061 76 val tolower : char -> char
adamc@1061 77 val toupper : char -> char
adamc@1128 78 val ord : char -> int
adamc@1128 79 val chr : int -> char
adamc@1061 80
adamc@283 81 (** String operations *)
adamc@283 82
adamc@828 83 val strlen : string -> int
adam@1388 84 val strlenGe : string -> int -> bool
adamc@283 85 val strcat : string -> string -> string
adamc@821 86 val strsub : string -> int -> char
adamc@821 87 val strsuffix : string -> int -> string
adamc@829 88 val strchr : string -> char -> option string
adamc@829 89 val strindex : string -> char -> option int
adam@1390 90 val strsindex : string -> string -> option int
adamc@1272 91 val strcspn : string -> string -> int
adamc@829 92 val substring : string -> int -> int -> string
adamc@1023 93 val str1 : char -> string
adamc@283 94
adamc@286 95 class show
adamc@286 96 val show : t ::: Type -> show t -> t -> string
adamc@286 97 val show_int : show int
adamc@286 98 val show_float : show float
adamc@286 99 val show_string : show string
adamc@821 100 val show_char : show char
adamc@286 101 val show_bool : show bool
adamc@436 102 val show_time : show time
adamc@452 103 val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286 104
adamc@290 105 class read
adamc@290 106 val read : t ::: Type -> read t -> string -> option t
adamc@292 107 val readError : t ::: Type -> read t -> string -> t
adamc@292 108 (* [readError] calls [error] if the input is malformed. *)
adamc@290 109 val read_int : read int
adamc@290 110 val read_float : read float
adamc@290 111 val read_string : read string
adamc@821 112 val read_char : read char
adamc@290 113 val read_bool : read bool
adamc@436 114 val read_time : read time
adamc@777 115 val mkRead : t ::: Type -> (string -> t) -> (string -> option t) -> read t
adamc@288 116
adamc@283 117
adamc@564 118 (** * Monads *)
adamc@564 119
adamc@711 120 class monad :: (Type -> Type) -> Type
adamc@564 121 val return : m ::: (Type -> Type) -> t ::: Type
adamc@564 122 -> monad m
adamc@564 123 -> t -> m t
adamc@564 124 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564 125 -> monad m
adamc@564 126 -> m t1 -> (t1 -> m t2)
adamc@564 127 -> m t2
adamc@564 128
adamc@456 129 con transaction :: Type -> Type
adamc@564 130 val transaction_monad : monad transaction
adamc@456 131
adamc@565 132 con source :: Type -> Type
adamc@565 133 val source : t ::: Type -> t -> transaction (source t)
adamc@575 134 val set : t ::: Type -> source t -> t -> transaction unit
adamc@601 135 val get : t ::: Type -> source t -> transaction t
adamc@565 136
adamc@565 137 con signal :: Type -> Type
adamc@565 138 val signal_monad : monad signal
adamc@565 139 val signal : t ::: Type -> source t -> signal t
adamc@841 140 val current : t ::: Type -> signal t -> transaction t
adamc@456 141
adamc@456 142
adamc@1006 143 (** * Time *)
adamc@1006 144
adamc@1006 145 val now : transaction time
adamc@1050 146 val minTime : time
adam@1369 147 val addSeconds : time -> int -> time
adam@1359 148 val timef : string -> time -> string (* Uses strftime() format string *)
adam@1372 149 val readUtc : string -> option time
adamc@1006 150
adamc@1006 151
adam@1360 152 (** * Encryption *)
adam@1360 153
adam@1360 154 val crypt : string -> string -> string
adam@1360 155
adam@1360 156
adamc@456 157 (** HTTP operations *)
adamc@456 158
adamc@459 159 con http_cookie :: Type -> Type
adamc@459 160 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@1050 161 val setCookie : t ::: Type -> http_cookie t -> {Value : t,
adamc@1050 162 Expires : option time,
adamc@1050 163 Secure : bool} -> transaction unit
adamc@1050 164 val clearCookie : t ::: Type -> http_cookie t -> transaction unit
adamc@459 165
adamc@456 166
adamc@566 167 (** JavaScript-y gadgets *)
adamc@566 168
adamc@566 169 val alert : string -> transaction unit
adam@1290 170 val confirm : string -> transaction bool
adamc@694 171 val spawn : transaction unit -> transaction unit
adamc@695 172 val sleep : int -> transaction unit
adamc@566 173
adamc@908 174 val rpc : t ::: Type -> transaction t -> transaction t
adamc@908 175
adamc@566 176
adamc@678 177 (** Channels *)
adamc@678 178
adamc@678 179 con channel :: Type -> Type
adamc@678 180 val channel : t ::: Type -> transaction (channel t)
adamc@678 181 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 182 val recv : t ::: Type -> channel t -> transaction t
adamc@678 183
adamc@682 184 type client
adamc@682 185 val self : transaction client
adamc@682 186
adamc@678 187
adamc@203 188 (** SQL *)
adamc@203 189
adamc@705 190 con sql_table :: {Type} -> {{Unit}} -> Type
adamc@753 191 con sql_view :: {Type} -> Type
adamc@753 192
adamc@753 193 class fieldsOf :: Type -> {Type} -> Type
adamc@753 194 val fieldsOf_table : fs ::: {Type} -> keys ::: {{Unit}}
adamc@753 195 -> fieldsOf (sql_table fs keys) fs
adamc@753 196 val fieldsOf_view : fs ::: {Type}
adamc@753 197 -> fieldsOf (sql_view fs) fs
adamc@203 198
adamc@704 199 (*** Constraints *)
adamc@704 200
adamc@707 201 (**** Primary keys *)
adamc@707 202
adamc@707 203 class sql_injectable_prim
adamc@707 204 val sql_bool : sql_injectable_prim bool
adamc@707 205 val sql_int : sql_injectable_prim int
adamc@707 206 val sql_float : sql_injectable_prim float
adamc@707 207 val sql_string : sql_injectable_prim string
adamc@1011 208 val sql_char : sql_injectable_prim char
adamc@707 209 val sql_time : sql_injectable_prim time
adamc@737 210 val sql_blob : sql_injectable_prim blob
adamc@707 211 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@707 212 val sql_client : sql_injectable_prim client
adamc@707 213
adamc@1104 214 con serialized :: Type -> Type
adamc@1104 215 val serialize : t ::: Type -> t -> serialized t
adamc@1104 216 val deserialize : t ::: Type -> serialized t -> t
adamc@1104 217 val sql_serialized : t ::: Type -> sql_injectable_prim (serialized t)
adamc@1104 218
adamc@707 219 con primary_key :: {Type} -> {{Unit}} -> Type
adamc@707 220 val no_primary_key : fs ::: {Type} -> primary_key fs []
adamc@707 221 val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type}
adamc@707 222 -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest]
adamc@707 223 => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys)
adamc@707 224 -> primary_key ([key1 = t] ++ keys ++ rest)
adamc@707 225 [Pkey = [key1] ++ map (fn _ => ()) keys]
adamc@707 226
adamc@707 227 (**** Other constraints *)
adamc@707 228
adamc@705 229 con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705 230 (* Arguments: column types, uniqueness implications of constraints *)
adamc@704 231
adamc@705 232 con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704 233
adamc@705 234 val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705 235 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705 236 -> sql_constraint fs unique
adamc@705 237 -> sql_constraints fs [name = unique]
adamc@705 238 val join_constraints : fs ::: {Type}
adamc@705 239 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705 240 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705 241 -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705 242
adamc@709 243
adamc@705 244 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705 245 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705 246 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704 247
adamc@712 248 class linkable :: Type -> Type -> Type
adamc@712 249 val linkable_same : t ::: Type -> linkable t t
adamc@712 250 val linkable_from_nullable : t ::: Type -> linkable (option t) t
adamc@712 251 val linkable_to_nullable : t ::: Type -> linkable t (option t)
adamc@712 252
adamc@709 253 con matching :: {Type} -> {Type} -> Type
adamc@709 254 val mat_nil : matching [] []
adamc@712 255 val mat_cons : t1 ::: Type -> rest1 ::: {Type} -> t2 ::: Type -> rest2 ::: {Type}
adamc@709 256 -> nm1 :: Name -> nm2 :: Name
adamc@709 257 -> [[nm1] ~ rest1] => [[nm2] ~ rest2]
adamc@712 258 => linkable t1 t2
adamc@712 259 -> matching rest1 rest2
adamc@712 260 -> matching ([nm1 = t1] ++ rest1) ([nm2 = t2] ++ rest2)
adamc@709 261
adamc@709 262 con propagation_mode :: {Type} -> Type
adamc@709 263 val restrict : fs ::: {Type} -> propagation_mode fs
adamc@709 264 val cascade : fs ::: {Type} -> propagation_mode fs
adamc@709 265 val no_action : fs ::: {Type} -> propagation_mode fs
adamc@709 266 val set_null : fs ::: {Type} -> propagation_mode (map option fs)
adamc@709 267
adamc@709 268
adamc@709 269 val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type}
adamc@709 270 -> foreign ::: {Type} -> funused ::: {Type}
adamc@709 271 -> nm ::: Name -> uniques ::: {{Unit}}
adamc@709 272 -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused]
adamc@709 273 => [foreign ~ funused] => [[nm] ~ uniques]
adamc@709 274 => matching ([mine1 = t] ++ mine) foreign
adamc@709 275 -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques)
adamc@709 276 -> {OnDelete : propagation_mode ([mine1 = t] ++ mine),
adamc@709 277 OnUpdate : propagation_mode ([mine1 = t] ++ mine)}
adamc@709 278 -> sql_constraint ([mine1 = t] ++ mine ++ munused) []
adamc@709 279
adamc@714 280 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@1072 281 val sql_exp_weaken : fs ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@1072 282 -> fs' ::: {{Type}} -> agg' ::: {{Type}} -> exps' ::: {Type}
adamc@1072 283 -> [fs ~ fs'] => [agg ~ agg'] => [exps ~ exps'] =>
adamc@1072 284 sql_exp fs agg exps t
adamc@1072 285 -> sql_exp (fs ++ fs') (agg ++ agg') (exps ++ exps') t
adamc@714 286
adamc@714 287 val check : fs ::: {Type}
adamc@714 288 -> sql_exp [] [] fs bool
adamc@714 289 -> sql_constraint fs []
adamc@714 290
adamc@714 291
adamc@204 292 (*** Queries *)
adamc@204 293
adam@1394 294 con sql_query :: {{Type}} -> {{Type}} -> {{Type}} -> {Type} -> Type
adam@1394 295 con sql_query1 :: {{Type}} -> {{Type}} -> {{Type}} -> {{Type}} -> {Type} -> Type
adamc@204 296
adamc@223 297 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 298 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 299 -> sql_subset
adamc@621 300 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 301 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 302 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@1072 303 val sql_subset_concat : big1 ::: {{Type}} -> little1 ::: {{Type}}
adamc@1072 304 -> big2 ::: {{Type}} -> little2 ::: {{Type}}
adamc@1072 305 -> [big1 ~ big2] => [little1 ~ little2] =>
adamc@1072 306 sql_subset big1 little1
adamc@1072 307 -> sql_subset big2 little2
adamc@1072 308 -> sql_subset (big1 ++ big2) (little1 ++ little2)
adamc@223 309
adamc@1191 310 con sql_from_items :: {{Type}} -> {{Type}} -> Type
adamc@748 311
adamc@1195 312 val sql_from_nil : free ::: {{Type}} -> sql_from_items free []
adamc@1191 313 val sql_from_table : free ::: {{Type}} -> t ::: Type -> fs ::: {Type}
adamc@753 314 -> fieldsOf t fs -> name :: Name
adamc@1191 315 -> t -> sql_from_items free [name = fs]
adamc@1192 316 val sql_from_query : free ::: {{Type}} -> fs ::: {Type} -> name :: Name
adam@1394 317 -> sql_query free [] [] fs
adamc@1192 318 -> sql_from_items free [name = fs]
adamc@1191 319 val sql_from_comma : free ::: {{Type}} -> tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@748 320 -> [tabs1 ~ tabs2]
adamc@1191 321 => sql_from_items free tabs1 -> sql_from_items free tabs2
adamc@1191 322 -> sql_from_items free (tabs1 ++ tabs2)
adamc@1191 323 val sql_inner_join : free ::: {{Type}} -> tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@1191 324 -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2]
adamc@1191 325 => sql_from_items free tabs1 -> sql_from_items free tabs2
adamc@1191 326 -> sql_exp (free ++ tabs1 ++ tabs2) [] [] bool
adamc@1191 327 -> sql_from_items free (tabs1 ++ tabs2)
adamc@748 328
adamc@750 329 class nullify :: Type -> Type -> Type
adamc@750 330 val nullify_option : t ::: Type -> nullify (option t) (option t)
adamc@750 331 val nullify_prim : t ::: Type -> sql_injectable_prim t -> nullify t (option t)
adamc@750 332
adamc@1191 333 val sql_left_join : free ::: {{Type}} -> tabs1 ::: {{Type}} -> tabs2 ::: {{(Type * Type)}}
adamc@1191 334 -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2]
adamc@750 335 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs2)
adamc@1191 336 -> sql_from_items free tabs1 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@1191 337 -> sql_exp (free ++ tabs1 ++ map (map (fn p :: (Type * Type) => p.1)) tabs2) [] [] bool
adamc@1191 338 -> sql_from_items free (tabs1 ++ map (map (fn p :: (Type * Type) => p.2)) tabs2)
adamc@750 339
adamc@1191 340 val sql_right_join : free ::: {{Type}} -> tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{Type}}
adamc@1191 341 -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2]
adamc@751 342 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs1)
adamc@1191 343 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs1) -> sql_from_items free tabs2
adamc@1191 344 -> sql_exp (free ++ map (map (fn p :: (Type * Type) => p.1)) tabs1 ++ tabs2) [] [] bool
adamc@1191 345 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.2)) tabs1 ++ tabs2)
adamc@751 346
adamc@1191 347 val sql_full_join : free ::: {{Type}} -> tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{(Type * Type)}}
adamc@1191 348 -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2]
adamc@751 349 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) (tabs1 ++ tabs2))
adamc@1191 350 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs1)
adamc@1191 351 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@1191 352 -> sql_exp (free ++ map (map (fn p :: (Type * Type) => p.1)) (tabs1 ++ tabs2)) [] [] bool
adamc@1191 353 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.2)) (tabs1 ++ tabs2))
adamc@751 354
adamc@1191 355 val sql_query1 : free ::: {{Type}}
adam@1394 356 -> afree ::: {{Type}}
adamc@1191 357 -> tables ::: {{Type}}
adamc@354 358 -> grouped ::: {{Type}}
adamc@354 359 -> selectedFields ::: {{Type}}
adamc@354 360 -> selectedExps ::: {Type}
adamc@1070 361 -> empties :: {Unit}
adamc@1191 362 -> [free ~ tables]
adamc@1191 363 => [free ~ grouped]
adam@1394 364 => [afree ~ tables]
adamc@1191 365 => [empties ~ selectedFields]
adamc@1070 366 => {Distinct : bool,
adamc@1191 367 From : sql_from_items free tables,
adam@1394 368 Where : sql_exp (free ++ tables) afree [] bool,
adamc@748 369 GroupBy : sql_subset tables grouped,
adam@1394 370 Having : sql_exp (free ++ grouped) (afree ++ tables) [] bool,
adamc@1070 371 SelectFields : sql_subset grouped (map (fn _ => []) empties ++ selectedFields),
adam@1394 372 SelectExps : $(map (sql_exp (free ++ grouped) (afree ++ tables) [])
adamc@705 373 selectedExps) }
adam@1394 374 -> sql_query1 free afree tables selectedFields selectedExps
adamc@229 375
adamc@229 376 type sql_relop
adamc@229 377 val sql_union : sql_relop
adamc@229 378 val sql_intersect : sql_relop
adamc@229 379 val sql_except : sql_relop
adamc@1191 380 val sql_relop : free ::: {{Type}}
adam@1394 381 -> afree ::: {{Type}}
adamc@1191 382 -> tables1 ::: {{Type}}
adamc@354 383 -> tables2 ::: {{Type}}
adamc@354 384 -> selectedFields ::: {{Type}}
adamc@354 385 -> selectedExps ::: {Type}
adamc@354 386 -> sql_relop
adam@1427 387 -> bool (* ALL *)
adam@1394 388 -> sql_query1 free afree tables1 selectedFields selectedExps
adam@1394 389 -> sql_query1 free afree tables2 selectedFields selectedExps
adam@1394 390 -> sql_query1 free afree [] selectedFields selectedExps
adam@1394 391 val sql_forget_tables : free ::: {{Type}} -> afree ::: {{Type}} -> tables ::: {{Type}} -> selectedFields ::: {{Type}} -> selectedExps ::: {Type}
adam@1394 392 -> sql_query1 free afree tables selectedFields selectedExps
adam@1394 393 -> sql_query1 free afree [] selectedFields selectedExps
adamc@229 394
adamc@230 395 type sql_direction
adamc@230 396 val sql_asc : sql_direction
adamc@230 397 val sql_desc : sql_direction
adamc@230 398
adamc@234 399 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 400 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 401 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 402 -> sql_exp tables [] exps t -> sql_direction
adamc@354 403 -> sql_order_by tables exps
adamc@354 404 -> sql_order_by tables exps
adamc@230 405
adamc@231 406 type sql_limit
adamc@231 407 val sql_no_limit : sql_limit
adamc@231 408 val sql_limit : int -> sql_limit
adamc@354 409
adamc@232 410 type sql_offset
adamc@232 411 val sql_no_offset : sql_offset
adamc@232 412 val sql_offset : int -> sql_offset
adamc@232 413
adamc@1191 414 val sql_query : free ::: {{Type}}
adam@1394 415 -> afree ::: {{Type}}
adamc@1191 416 -> tables ::: {{Type}}
adamc@354 417 -> selectedFields ::: {{Type}}
adamc@354 418 -> selectedExps ::: {Type}
adamc@1191 419 -> [free ~ tables]
adam@1394 420 => {Rows : sql_query1 free afree tables selectedFields selectedExps,
adamc@1191 421 OrderBy : sql_order_by (free ++ tables) selectedExps,
adamc@354 422 Limit : sql_limit,
adamc@354 423 Offset : sql_offset}
adam@1394 424 -> sql_query free afree selectedFields selectedExps
adamc@204 425
adamc@354 426 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 427 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 428 -> exps ::: {Type}
adamc@354 429 -> tab :: Name -> field :: Name
adamc@354 430 -> sql_exp
adamc@354 431 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 432 agg exps fieldType
adamc@234 433
adamc@354 434 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 435 -> nm :: Name
adamc@354 436 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 437
adamc@221 438 class sql_injectable
adamc@676 439 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 440 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 441
adamc@354 442 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 443 -> t ::: Type
adamc@354 444 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 445
adamc@470 446 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 447 -> t ::: Type
adamc@470 448 -> sql_exp tables agg exps (option t)
adamc@470 449 -> sql_exp tables agg exps bool
adamc@470 450
adamc@559 451 class sql_arith
adam@1427 452 val sql_arith_int : sql_arith int
adam@1427 453 val sql_arith_float : sql_arith float
adam@1427 454 val sql_arith_option : t ::: Type -> sql_arith t -> sql_arith (option t)
adamc@559 455
adamc@220 456 con sql_unary :: Type -> Type -> Type
adamc@220 457 val sql_not : sql_unary bool bool
adamc@354 458 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 459 -> arg ::: Type -> res ::: Type
adamc@354 460 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 461 -> sql_exp tables agg exps res
adamc@220 462
adamc@559 463 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 464
adamc@220 465 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 466 val sql_and : sql_binary bool bool bool
adamc@220 467 val sql_or : sql_binary bool bool bool
adamc@234 468 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 469 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 470 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 471 -> sql_exp tables agg exps arg2
adamc@354 472 -> sql_exp tables agg exps res
adamc@220 473
adamc@559 474 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 475 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 476 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 477 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 478 val sql_mod : sql_binary int int int
adamc@559 479
adamc@559 480 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 481 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 482 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 483 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 484 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 485 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 486
adamc@235 487 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 488 -> sql_exp tables agg exps int
adamc@235 489
adamc@1187 490 con sql_aggregate :: Type -> Type -> Type
adamc@354 491 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@1187 492 -> dom ::: Type -> ran ::: Type
adamc@1187 493 -> sql_aggregate dom ran -> sql_exp agg agg exps dom
adamc@1187 494 -> sql_exp tables agg exps ran
adamc@1187 495
adamc@1187 496 val sql_count_col : t ::: Type -> sql_aggregate (option t) int
adamc@236 497
adamc@236 498 class sql_summable
adamc@236 499 val sql_summable_int : sql_summable int
adamc@236 500 val sql_summable_float : sql_summable float
adam@1357 501 val sql_summable_option : t ::: Type -> sql_summable t -> sql_summable (option t)
adam@1394 502 val sql_avg : t ::: Type -> nt ::: Type -> sql_summable t -> nullify t nt -> sql_aggregate t nt
adam@1394 503 val sql_sum : t ::: Type -> nt ::: Type -> sql_summable t -> nullify t nt -> sql_aggregate t nt
adamc@236 504
adamc@236 505 class sql_maxable
adamc@236 506 val sql_maxable_int : sql_maxable int
adamc@236 507 val sql_maxable_float : sql_maxable float
adamc@236 508 val sql_maxable_string : sql_maxable string
adamc@437 509 val sql_maxable_time : sql_maxable time
adam@1357 510 val sql_maxable_option : t ::: Type -> sql_maxable t -> sql_maxable (option t)
adam@1394 511 val sql_max : t ::: Type -> nt ::: Type -> sql_maxable t -> nullify t nt -> sql_aggregate t nt
adam@1394 512 val sql_min : t ::: Type -> nt ::: Type -> sql_maxable t -> nullify t nt -> sql_aggregate t nt
adamc@236 513
adamc@441 514 con sql_nfunc :: Type -> Type
adamc@441 515 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 516 -> t ::: Type
adamc@441 517 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 518 val sql_current_timestamp : sql_nfunc time
adamc@441 519
adamc@746 520 con sql_ufunc :: Type -> Type -> Type
adamc@746 521 val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@746 522 -> dom ::: Type -> ran ::: Type
adamc@746 523 -> sql_ufunc dom ran -> sql_exp tables agg exps dom
adamc@746 524 -> sql_exp tables agg exps ran
adamc@746 525 val sql_octet_length : sql_ufunc blob int
adamc@1207 526 val sql_known : t ::: Type -> sql_ufunc t bool
adamc@746 527
adamc@235 528
adamc@1081 529 val sql_nullable : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@1081 530 -> sql_injectable_prim t
adamc@1081 531 -> sql_exp tables agg exps t
adamc@1081 532 -> sql_exp tables agg exps (option t)
adamc@1081 533
adam@1421 534 val sql_subquery : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> nm ::: Name -> t ::: Type -> nt ::: Type
adam@1421 535 -> nullify t nt
adam@1394 536 -> sql_query tables agg [] [nm = t]
adam@1421 537 -> sql_exp tables agg exps nt
adamc@1191 538
adamc@243 539 (*** Executing queries *)
adamc@243 540
adamc@354 541 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 542 -> [tables ~ exps] =>
adamc@354 543 state ::: Type
adam@1394 544 -> sql_query [] [] tables exps
adamc@621 545 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 546 -> state
adamc@354 547 -> transaction state)
adamc@354 548 -> state
adamc@354 549 -> transaction state
adamc@243 550
adamc@243 551
adamc@299 552 (*** Database mutators *)
adamc@299 553
adamc@299 554 type dml
adamc@299 555 val dml : dml -> transaction unit
adam@1293 556 val tryDml : dml -> transaction (option string)
adam@1293 557 (* Returns an error message on failure. *)
adamc@299 558
adamc@705 559 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 560 -> sql_table fields uniques
adamc@621 561 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 562 -> dml
adamc@299 563
adamc@705 564 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629 565 [changed ~ unchanged] =>
adamc@621 566 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705 567 -> sql_table (changed ++ unchanged) uniques
adamc@354 568 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 569 -> dml
adamc@299 570
adamc@705 571 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 572 -> sql_table fields uniques
adamc@354 573 -> sql_exp [T = fields] [] [] bool
adamc@354 574 -> dml
adamc@299 575
adamc@338 576 (*** Sequences *)
adamc@338 577
adamc@338 578 type sql_sequence
adamc@338 579 val nextval : sql_sequence -> transaction int
adamc@1073 580 val setval : sql_sequence -> int -> transaction unit
adamc@338 581
adamc@299 582
adamc@203 583 (** XML *)
adamc@203 584
adamc@721 585 type css_class
adam@1292 586 val classes : css_class -> css_class -> css_class
adam@1292 587 (* The equivalent of writing one class after the other, separated by a space, in
adam@1292 588 * an HTML 'class' attribute *)
adamc@718 589
adamc@720 590 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 591
adamc@720 592 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@720 593 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adam@1358 594 val cdataChar : ctx ::: {Unit} -> use ::: {Type} -> char -> xml ctx use []
adamc@354 595 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 596 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 597 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 598 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 599 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 600 [useOuter ~ useInner] =>
adamc@629 601 [bindOuter ~ bindInner] =>
adamc@721 602 option css_class
adamc@721 603 -> $attrsGiven
adamc@629 604 -> tag (attrsGiven ++ attrsAbsent)
adamc@720 605 ctxOuter ctxInner useOuter bindOuter
adamc@720 606 -> xml ctxInner useInner bindInner
adamc@720 607 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 608 val join : ctx ::: {Unit}
adamc@720 609 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@720 610 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@720 611 xml ctx use1 bind1
adamc@720 612 -> xml ctx (use1 ++ bind1) bind2
adamc@720 613 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 614 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@720 615 -> bind ::: {Type}
adamc@629 616 -> [use1 ~ use2] =>
adamc@720 617 xml ctx use1 bind
adamc@720 618 -> xml ctx (use1 ++ use2) bind
adamc@91 619
adamc@110 620 con xhtml = xml [Html]
adamc@139 621 con page = xhtml [] []
adamc@720 622 con xbody = xml [Body] [] []
adamc@1277 623 con xtable = xml [Body, Table] [] []
adamc@720 624 con xtr = xml [Body, Tr] [] []
adamc@720 625 con xform = xml [Body, Form] [] []
adamc@110 626
adamc@718 627
adamc@204 628 (*** HTML details *)
adamc@204 629
adamc@140 630 con html = [Html]
adamc@140 631 con head = [Head]
adamc@140 632 con body = [Body]
adamc@361 633 con form = [Body, Form]
adamc@760 634 con subform = [Body, Subform]
adamc@332 635 con tabl = [Body, Table]
adamc@332 636 con tr = [Body, Tr]
adamc@93 637
adam@1370 638 type queryString
adam@1370 639 val show_queryString : show queryString
adam@1370 640
adamc@724 641 type url
adamc@1065 642 val show_url : show url
adamc@724 643 val bless : string -> url
adamc@770 644 val checkUrl : string -> option url
adamc@1085 645 val currentUrl : transaction url
adam@1386 646 val currentUrlHasPost : transaction bool
adamc@1065 647 val url : transaction page -> url
adam@1370 648 val effectfulUrl : (option queryString -> transaction page) -> url
adamc@1065 649 val redirect : t ::: Type -> url -> transaction t
adamc@724 650
adamc@847 651 val dyn : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> [ctx ~ body] => unit
adamc@847 652 -> tag [Signal = signal (xml (body ++ ctx) use bind)] (body ++ ctx) [] use bind
adamc@568 653
adamc@720 654 val head : unit -> tag [] html head [] []
adamc@720 655 val title : unit -> tag [] head [] [] []
adamc@1047 656 val link : unit -> tag [Id = string, Rel = string, Typ = string, Href = url, Media = string] head [] [] []
adamc@110 657
adamc@892 658 val body : unit -> tag [Onload = transaction unit, Onresize = transaction unit, Onunload = transaction unit]
adamc@892 659 html body [] []
adamc@354 660 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 661 ctx ::: {Unit} ->
adamc@629 662 [[Body] ~ ctx] =>
adamc@720 663 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 664 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 665 ctx ::: {Unit}
adamc@629 666 -> [[Body] ~ ctx] =>
adamc@720 667 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 668
adamc@1047 669 val br : bodyTagStandalone [Id = int]
adamc@119 670
adamc@892 671 con focusEvents = [Onblur = transaction unit, Onfocus = transaction unit]
adamc@892 672 con mouseEvents = [Onclick = transaction unit, Ondblclick = transaction unit,
adamc@892 673 Onmousedown = transaction unit, Onmousemove = transaction unit,
adamc@892 674 Onmouseout = transaction unit, Onmouseover = transaction unit,
adamc@894 675 Onmouseup = transaction unit]
adamc@895 676 con keyEvents = [Onkeydown = int -> transaction unit, Onkeypress = int -> transaction unit,
adamc@895 677 Onkeyup = int -> transaction unit]
adamc@895 678 (* Key arguments are character codes. *)
adamc@892 679 con resizeEvents = [Onresize = transaction unit]
adamc@691 680
adamc@892 681 con boxEvents = focusEvents ++ mouseEvents ++ keyEvents ++ resizeEvents
adamc@892 682 con tableEvents = focusEvents ++ mouseEvents ++ keyEvents
adamc@140 683
adam@1291 684 con boxAttrs = [Id = string, Title = string] ++ boxEvents
adam@1291 685 con tableAttrs = [Id = string, Title = string] ++ tableEvents
adamc@469 686
adamc@1047 687 val span : bodyTag boxAttrs
adamc@1047 688 val div : bodyTag boxAttrs
adamc@140 689
adamc@1047 690 val p : bodyTag boxAttrs
adamc@1047 691 val b : bodyTag boxAttrs
adamc@1047 692 val i : bodyTag boxAttrs
adamc@1047 693 val tt : bodyTag boxAttrs
adamc@410 694
adamc@1047 695 val h1 : bodyTag boxAttrs
adamc@1047 696 val h2 : bodyTag boxAttrs
adamc@1047 697 val h3 : bodyTag boxAttrs
adamc@1047 698 val h4 : bodyTag boxAttrs
adamc@1047 699 val h5 : bodyTag boxAttrs
adamc@1047 700 val h6 : bodyTag boxAttrs
adamc@717 701
adamc@1047 702 val li : bodyTag boxAttrs
adamc@1047 703 val ol : bodyTag boxAttrs
adamc@1047 704 val ul : bodyTag boxAttrs
adamc@140 705
adamc@1047 706 val hr : bodyTag boxAttrs
adamc@1047 707
adamc@1047 708 val a : bodyTag ([Link = transaction page, Href = url] ++ boxAttrs)
adamc@892 709
adam@1419 710 val img : bodyTag ([Alt = string, Src = url, Width = int, Height = int,
adamc@1129 711 Onabort = transaction unit, Onerror = transaction unit,
adamc@1047 712 Onload = transaction unit] ++ boxAttrs)
adamc@892 713
adamc@720 714 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@1120 715 -> [[Body, Form, Table] ~ ctx] =>
adam@1412 716 option css_class
adam@1412 717 -> xml ([Body, Form] ++ ctx) [] bind
adamc@756 718 -> xml ([Body] ++ ctx) [] []
adamc@756 719
adamc@756 720 val subform : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@756 721 -> [[Form] ~ ctx] =>
adamc@756 722 nm :: Name -> [[nm] ~ use] =>
adamc@1004 723 xml ([Form] ++ ctx) [] bind
adamc@756 724 -> xml ([Form] ++ ctx) use [nm = $bind]
adamc@758 725
adamc@758 726 val subforms : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@1004 727 -> [[Form, Subform] ~ ctx] =>
adamc@758 728 nm :: Name -> [[nm] ~ use] =>
adamc@1004 729 xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 730 -> xml ([Form] ++ ctx) use [nm = list ($bind)]
adamc@758 731
adamc@758 732 val entry : ctx ::: {Unit} -> bind ::: {Type}
adamc@1004 733 -> [[Subform, Form] ~ ctx] =>
adamc@1004 734 xml ([Form] ++ ctx) [] bind
adamc@758 735 -> xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 736
adamc@361 737 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 738 ctx ::: {Unit}
adamc@629 739 -> [[Form] ~ ctx] =>
adamc@354 740 nm :: Name -> unit
adamc@720 741 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@1047 742 val hidden : formTag string [] [Id = string, Value = string]
adamc@892 743 val textbox : formTag string [] ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@1047 744 Ontext = transaction unit] ++ boxAttrs)
adamc@1047 745 val password : formTag string [] ([Value = string, Size = int] ++ boxAttrs)
adamc@892 746 val textarea : formTag string [] ([Rows = int, Cols = int, Onchange = transaction unit,
adamc@1047 747 Ontext = transaction unit] ++ boxAttrs)
adamc@153 748
adamc@1047 749 val checkbox : formTag bool [] ([Checked = bool] ++ boxAttrs)
adamc@190 750
adamc@737 751 type file
adamc@737 752 val fileName : file -> option string
adamc@740 753 val fileMimeType : file -> string
adamc@737 754 val fileData : file -> blob
adamc@737 755
adamc@1047 756 val upload : formTag file [] ([Value = string, Size = int] ++ boxAttrs)
adamc@737 757
adamc@741 758 type mimeType
adamc@741 759 val blessMime : string -> mimeType
adamc@770 760 val checkMime : string -> option mimeType
adamc@741 761 val returnBlob : t ::: Type -> blob -> mimeType -> transaction t
adamc@745 762 val blobSize : blob -> int
adamc@1119 763 val textBlob : string -> blob
adamc@741 764
adam@1347 765 type postBody
adam@1347 766 val postType : postBody -> string
adam@1347 767 val postData : postBody -> string
adam@1347 768
adamc@153 769 con radio = [Body, Radio]
adamc@1047 770 val radio : formTag string radio [Id = string]
adamc@1068 771 val radioOption : unit -> tag ([Value = string, Checked = bool] ++ boxAttrs) radio [] [] []
adamc@142 772
adamc@154 773 con select = [Select]
adamc@1047 774 val select : formTag string select ([Onchange = transaction unit] ++ boxAttrs)
adamc@720 775 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 776
adamc@720 777 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 778 -> [[Form] ~ ctx] =>
adamc@354 779 unit
adamc@1047 780 -> tag ([Value = string, Action = $use -> transaction page] ++ boxAttrs)
adamc@720 781 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 782
adamc@1047 783 val label : bodyTag ([For = string, Accesskey = string] ++ tableAttrs)
adamc@1047 784
adamc@1047 785
adamc@601 786 (*** AJAX-oriented widgets *)
adamc@601 787
adamc@797 788 con cformTag = fn (attrs :: {Type}) (inner :: {Unit}) =>
adamc@601 789 ctx ::: {Unit}
adamc@629 790 -> [[Body] ~ ctx] =>
adamc@797 791 unit -> tag attrs ([Body] ++ ctx) inner [] []
adamc@601 792
adamc@892 793 val ctextbox : cformTag ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@1047 794 Ontext = transaction unit] ++ boxAttrs) []
adamc@1047 795 val button : cformTag ([Value = string] ++ boxAttrs) []
adamc@797 796
adamc@1047 797 val ccheckbox : cformTag ([Value = bool, Size = int, Source = source bool] ++ boxAttrs) []
adamc@817 798
adamc@797 799 con cselect = [Cselect]
adamc@1047 800 val cselect : cformTag ([Source = source string, Onchange = transaction unit] ++ boxAttrs) cselect
adamc@797 801 val coption : unit -> tag [Value = string, Selected = bool] cselect [] [] []
adamc@601 802
adamc@1099 803 val ctextarea : cformTag ([Value = string, Rows = int, Cols = int, Source = source string, Onchange = transaction unit,
adamc@1099 804 Ontext = transaction unit] ++ boxAttrs) []
adamc@1099 805
adamc@720 806 (*** Tables *)
adamc@720 807
adamc@892 808 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] => unit
adamc@1047 809 -> tag ([Border = int] ++ boxAttrs)
adamc@892 810 ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@892 811 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] => unit
adamc@1047 812 -> tag tableAttrs
adamc@892 813 ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@892 814 val th : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@1047 815 -> tag ([Colspan = int] ++ tableAttrs)
adamc@892 816 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@892 817 val td : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@1047 818 -> tag ([Colspan = int] ++ tableAttrs)
adamc@892 819 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 820
adamc@283 821
adamc@283 822 (** Aborting *)
adamc@283 823
adamc@726 824 val error : t ::: Type -> xbody -> t
adamc@720 825
adamc@729 826 (* Client-side-only handlers: *)
adamc@726 827 val onError : (xbody -> transaction unit) -> transaction unit
adamc@728 828 val onFail : (string -> transaction unit) -> transaction unit
adamc@729 829 val onConnectFail : transaction unit -> transaction unit
adamc@729 830 val onDisconnect : transaction unit -> transaction unit
adamc@729 831 val onServerError : (string -> transaction unit) -> transaction unit
adamc@727 832
adamc@727 833 val show_xml : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> show (xml ctx use bind)
adamc@1075 834
adamc@1075 835
adamc@1075 836 (** Tasks *)
adamc@1075 837
adam@1348 838 con task_kind :: Type -> Type
adam@1348 839 val initialize : task_kind unit
adam@1348 840 val clientLeaves : task_kind client
adam@1349 841 val periodic : int -> task_kind unit
adamc@1120 842
adamc@1120 843
adamc@1199 844 (** Information flow security *)
adamc@1199 845
adamc@1199 846 type sql_policy
adamc@1199 847
adamc@1214 848 val sendClient : tables ::: {{Type}} -> exps ::: {Type}
adam@1394 849 -> [tables ~ exps] => sql_query [] [] tables exps
adamc@1214 850 -> sql_policy
adamc@1199 851
adamc@1229 852 val sendOwnIds : sql_sequence -> sql_policy
adamc@1229 853
adamc@1220 854 val mayInsert : fs ::: {Type} -> tables ::: {{Type}} -> [[New] ~ tables]
adam@1394 855 => sql_query [] [] ([New = fs] ++ tables) []
adamc@1220 856 -> sql_policy
adamc@1220 857
adamc@1221 858 val mayDelete : fs ::: {Type} -> tables ::: {{Type}} -> [[Old] ~ tables]
adam@1394 859 => sql_query [] [] ([Old = fs] ++ tables) []
adamc@1221 860 -> sql_policy
adamc@1221 861
adamc@1223 862 val mayUpdate : fs ::: {Type} -> tables ::: {{Type}} -> [[Old, New] ~ tables]
adam@1394 863 => sql_query [] [] ([Old = fs, New = fs] ++ tables) []
adamc@1223 864 -> sql_policy
adamc@1223 865
adamc@1240 866 val also : sql_policy -> sql_policy -> sql_policy
adamc@1199 867
adamc@1120 868 val debug : string -> transaction unit
adam@1389 869 val naughtyDebug : string -> int
adamc@1250 870
adamc@1250 871 val rand : transaction int