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Tweaking unification fix to apply to demo/more
author Adam Chlipala <adam@chlipala.net>
date Sun, 10 Oct 2010 15:37:14 -0400
parents acabf3935060
children b106ca8200b1
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
adamc@283 84 val strcat : string -> string -> string
adamc@821 85 val strsub : string -> int -> char
adamc@821 86 val strsuffix : string -> int -> string
adamc@829 87 val strchr : string -> char -> option string
adamc@829 88 val strindex : string -> char -> option int
adamc@1272 89 val strcspn : string -> string -> int
adamc@829 90 val substring : string -> int -> int -> string
adamc@1023 91 val str1 : char -> string
adamc@283 92
adamc@286 93 class show
adamc@286 94 val show : t ::: Type -> show t -> t -> string
adamc@286 95 val show_int : show int
adamc@286 96 val show_float : show float
adamc@286 97 val show_string : show string
adamc@821 98 val show_char : show char
adamc@286 99 val show_bool : show bool
adamc@436 100 val show_time : show time
adamc@452 101 val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286 102
adamc@290 103 class read
adamc@290 104 val read : t ::: Type -> read t -> string -> option t
adamc@292 105 val readError : t ::: Type -> read t -> string -> t
adamc@292 106 (* [readError] calls [error] if the input is malformed. *)
adamc@290 107 val read_int : read int
adamc@290 108 val read_float : read float
adamc@290 109 val read_string : read string
adamc@821 110 val read_char : read char
adamc@290 111 val read_bool : read bool
adamc@436 112 val read_time : read time
adamc@777 113 val mkRead : t ::: Type -> (string -> t) -> (string -> option t) -> read t
adamc@288 114
adamc@283 115
adamc@564 116 (** * Monads *)
adamc@564 117
adamc@711 118 class monad :: (Type -> Type) -> Type
adamc@564 119 val return : m ::: (Type -> Type) -> t ::: Type
adamc@564 120 -> monad m
adamc@564 121 -> t -> m t
adamc@564 122 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564 123 -> monad m
adamc@564 124 -> m t1 -> (t1 -> m t2)
adamc@564 125 -> m t2
adamc@564 126
adamc@456 127 con transaction :: Type -> Type
adamc@564 128 val transaction_monad : monad transaction
adamc@456 129
adamc@565 130 con source :: Type -> Type
adamc@565 131 val source : t ::: Type -> t -> transaction (source t)
adamc@575 132 val set : t ::: Type -> source t -> t -> transaction unit
adamc@601 133 val get : t ::: Type -> source t -> transaction t
adamc@565 134
adamc@565 135 con signal :: Type -> Type
adamc@565 136 val signal_monad : monad signal
adamc@565 137 val signal : t ::: Type -> source t -> signal t
adamc@841 138 val current : t ::: Type -> signal t -> transaction t
adamc@456 139
adamc@456 140
adamc@1006 141 (** * Time *)
adamc@1006 142
adamc@1006 143 val now : transaction time
adamc@1050 144 val minTime : time
adamc@1138 145 val minusSeconds : time -> int -> time
adamc@1006 146
adamc@1006 147
adamc@456 148 (** HTTP operations *)
adamc@456 149
adamc@459 150 con http_cookie :: Type -> Type
adamc@459 151 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@1050 152 val setCookie : t ::: Type -> http_cookie t -> {Value : t,
adamc@1050 153 Expires : option time,
adamc@1050 154 Secure : bool} -> transaction unit
adamc@1050 155 val clearCookie : t ::: Type -> http_cookie t -> transaction unit
adamc@459 156
adamc@456 157
adamc@566 158 (** JavaScript-y gadgets *)
adamc@566 159
adamc@566 160 val alert : string -> transaction unit
adam@1290 161 val confirm : string -> transaction bool
adamc@694 162 val spawn : transaction unit -> transaction unit
adamc@695 163 val sleep : int -> transaction unit
adamc@566 164
adamc@908 165 val rpc : t ::: Type -> transaction t -> transaction t
adamc@908 166
adamc@566 167
adamc@678 168 (** Channels *)
adamc@678 169
adamc@678 170 con channel :: Type -> Type
adamc@678 171 val channel : t ::: Type -> transaction (channel t)
adamc@678 172 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 173 val recv : t ::: Type -> channel t -> transaction t
adamc@678 174
adamc@682 175 type client
adamc@682 176 val self : transaction client
adamc@682 177
adamc@678 178
adamc@203 179 (** SQL *)
adamc@203 180
adamc@705 181 con sql_table :: {Type} -> {{Unit}} -> Type
adamc@753 182 con sql_view :: {Type} -> Type
adamc@753 183
adamc@753 184 class fieldsOf :: Type -> {Type} -> Type
adamc@753 185 val fieldsOf_table : fs ::: {Type} -> keys ::: {{Unit}}
adamc@753 186 -> fieldsOf (sql_table fs keys) fs
adamc@753 187 val fieldsOf_view : fs ::: {Type}
adamc@753 188 -> fieldsOf (sql_view fs) fs
adamc@203 189
adamc@704 190 (*** Constraints *)
adamc@704 191
adamc@707 192 (**** Primary keys *)
adamc@707 193
adamc@707 194 class sql_injectable_prim
adamc@707 195 val sql_bool : sql_injectable_prim bool
adamc@707 196 val sql_int : sql_injectable_prim int
adamc@707 197 val sql_float : sql_injectable_prim float
adamc@707 198 val sql_string : sql_injectable_prim string
adamc@1011 199 val sql_char : sql_injectable_prim char
adamc@707 200 val sql_time : sql_injectable_prim time
adamc@737 201 val sql_blob : sql_injectable_prim blob
adamc@707 202 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@707 203 val sql_client : sql_injectable_prim client
adamc@707 204
adamc@1104 205 con serialized :: Type -> Type
adamc@1104 206 val serialize : t ::: Type -> t -> serialized t
adamc@1104 207 val deserialize : t ::: Type -> serialized t -> t
adamc@1104 208 val sql_serialized : t ::: Type -> sql_injectable_prim (serialized t)
adamc@1104 209
adamc@707 210 con primary_key :: {Type} -> {{Unit}} -> Type
adamc@707 211 val no_primary_key : fs ::: {Type} -> primary_key fs []
adamc@707 212 val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type}
adamc@707 213 -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest]
adamc@707 214 => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys)
adamc@707 215 -> primary_key ([key1 = t] ++ keys ++ rest)
adamc@707 216 [Pkey = [key1] ++ map (fn _ => ()) keys]
adamc@707 217
adamc@707 218 (**** Other constraints *)
adamc@707 219
adamc@705 220 con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705 221 (* Arguments: column types, uniqueness implications of constraints *)
adamc@704 222
adamc@705 223 con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704 224
adamc@705 225 val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705 226 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705 227 -> sql_constraint fs unique
adamc@705 228 -> sql_constraints fs [name = unique]
adamc@705 229 val join_constraints : fs ::: {Type}
adamc@705 230 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705 231 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705 232 -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705 233
adamc@709 234
adamc@705 235 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705 236 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705 237 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704 238
adamc@712 239 class linkable :: Type -> Type -> Type
adamc@712 240 val linkable_same : t ::: Type -> linkable t t
adamc@712 241 val linkable_from_nullable : t ::: Type -> linkable (option t) t
adamc@712 242 val linkable_to_nullable : t ::: Type -> linkable t (option t)
adamc@712 243
adamc@709 244 con matching :: {Type} -> {Type} -> Type
adamc@709 245 val mat_nil : matching [] []
adamc@712 246 val mat_cons : t1 ::: Type -> rest1 ::: {Type} -> t2 ::: Type -> rest2 ::: {Type}
adamc@709 247 -> nm1 :: Name -> nm2 :: Name
adamc@709 248 -> [[nm1] ~ rest1] => [[nm2] ~ rest2]
adamc@712 249 => linkable t1 t2
adamc@712 250 -> matching rest1 rest2
adamc@712 251 -> matching ([nm1 = t1] ++ rest1) ([nm2 = t2] ++ rest2)
adamc@709 252
adamc@709 253 con propagation_mode :: {Type} -> Type
adamc@709 254 val restrict : fs ::: {Type} -> propagation_mode fs
adamc@709 255 val cascade : fs ::: {Type} -> propagation_mode fs
adamc@709 256 val no_action : fs ::: {Type} -> propagation_mode fs
adamc@709 257 val set_null : fs ::: {Type} -> propagation_mode (map option fs)
adamc@709 258
adamc@709 259
adamc@709 260 val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type}
adamc@709 261 -> foreign ::: {Type} -> funused ::: {Type}
adamc@709 262 -> nm ::: Name -> uniques ::: {{Unit}}
adamc@709 263 -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused]
adamc@709 264 => [foreign ~ funused] => [[nm] ~ uniques]
adamc@709 265 => matching ([mine1 = t] ++ mine) foreign
adamc@709 266 -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques)
adamc@709 267 -> {OnDelete : propagation_mode ([mine1 = t] ++ mine),
adamc@709 268 OnUpdate : propagation_mode ([mine1 = t] ++ mine)}
adamc@709 269 -> sql_constraint ([mine1 = t] ++ mine ++ munused) []
adamc@709 270
adamc@714 271 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@1072 272 val sql_exp_weaken : fs ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@1072 273 -> fs' ::: {{Type}} -> agg' ::: {{Type}} -> exps' ::: {Type}
adamc@1072 274 -> [fs ~ fs'] => [agg ~ agg'] => [exps ~ exps'] =>
adamc@1072 275 sql_exp fs agg exps t
adamc@1072 276 -> sql_exp (fs ++ fs') (agg ++ agg') (exps ++ exps') t
adamc@714 277
adamc@714 278 val check : fs ::: {Type}
adamc@714 279 -> sql_exp [] [] fs bool
adamc@714 280 -> sql_constraint fs []
adamc@714 281
adamc@714 282
adamc@204 283 (*** Queries *)
adamc@204 284
adamc@1191 285 con sql_query :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@1191 286 con sql_query1 :: {{Type}} -> {{Type}} -> {{Type}} -> {Type} -> Type
adamc@204 287
adamc@223 288 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 289 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 290 -> sql_subset
adamc@621 291 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 292 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 293 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@1072 294 val sql_subset_concat : big1 ::: {{Type}} -> little1 ::: {{Type}}
adamc@1072 295 -> big2 ::: {{Type}} -> little2 ::: {{Type}}
adamc@1072 296 -> [big1 ~ big2] => [little1 ~ little2] =>
adamc@1072 297 sql_subset big1 little1
adamc@1072 298 -> sql_subset big2 little2
adamc@1072 299 -> sql_subset (big1 ++ big2) (little1 ++ little2)
adamc@223 300
adamc@1191 301 con sql_from_items :: {{Type}} -> {{Type}} -> Type
adamc@748 302
adamc@1195 303 val sql_from_nil : free ::: {{Type}} -> sql_from_items free []
adamc@1191 304 val sql_from_table : free ::: {{Type}} -> t ::: Type -> fs ::: {Type}
adamc@753 305 -> fieldsOf t fs -> name :: Name
adamc@1191 306 -> t -> sql_from_items free [name = fs]
adamc@1192 307 val sql_from_query : free ::: {{Type}} -> fs ::: {Type} -> name :: Name
adamc@1192 308 -> sql_query free [] fs
adamc@1192 309 -> sql_from_items free [name = fs]
adamc@1191 310 val sql_from_comma : free ::: {{Type}} -> tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@748 311 -> [tabs1 ~ tabs2]
adamc@1191 312 => sql_from_items free tabs1 -> sql_from_items free tabs2
adamc@1191 313 -> sql_from_items free (tabs1 ++ tabs2)
adamc@1191 314 val sql_inner_join : free ::: {{Type}} -> tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@1191 315 -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2]
adamc@1191 316 => sql_from_items free tabs1 -> sql_from_items free tabs2
adamc@1191 317 -> sql_exp (free ++ tabs1 ++ tabs2) [] [] bool
adamc@1191 318 -> sql_from_items free (tabs1 ++ tabs2)
adamc@748 319
adamc@750 320 class nullify :: Type -> Type -> Type
adamc@750 321 val nullify_option : t ::: Type -> nullify (option t) (option t)
adamc@750 322 val nullify_prim : t ::: Type -> sql_injectable_prim t -> nullify t (option t)
adamc@750 323
adamc@1191 324 val sql_left_join : free ::: {{Type}} -> tabs1 ::: {{Type}} -> tabs2 ::: {{(Type * Type)}}
adamc@1191 325 -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2]
adamc@750 326 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs2)
adamc@1191 327 -> sql_from_items free tabs1 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@1191 328 -> sql_exp (free ++ tabs1 ++ map (map (fn p :: (Type * Type) => p.1)) tabs2) [] [] bool
adamc@1191 329 -> sql_from_items free (tabs1 ++ map (map (fn p :: (Type * Type) => p.2)) tabs2)
adamc@750 330
adamc@1191 331 val sql_right_join : free ::: {{Type}} -> tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{Type}}
adamc@1191 332 -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2]
adamc@751 333 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs1)
adamc@1191 334 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs1) -> sql_from_items free tabs2
adamc@1191 335 -> sql_exp (free ++ map (map (fn p :: (Type * Type) => p.1)) tabs1 ++ tabs2) [] [] bool
adamc@1191 336 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.2)) tabs1 ++ tabs2)
adamc@751 337
adamc@1191 338 val sql_full_join : free ::: {{Type}} -> tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{(Type * Type)}}
adamc@1191 339 -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2]
adamc@751 340 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) (tabs1 ++ tabs2))
adamc@1191 341 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs1)
adamc@1191 342 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@1191 343 -> sql_exp (free ++ map (map (fn p :: (Type * Type) => p.1)) (tabs1 ++ tabs2)) [] [] bool
adamc@1191 344 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.2)) (tabs1 ++ tabs2))
adamc@751 345
adamc@1191 346 val sql_query1 : free ::: {{Type}}
adamc@1191 347 -> tables ::: {{Type}}
adamc@354 348 -> grouped ::: {{Type}}
adamc@354 349 -> selectedFields ::: {{Type}}
adamc@354 350 -> selectedExps ::: {Type}
adamc@1070 351 -> empties :: {Unit}
adamc@1191 352 -> [free ~ tables]
adamc@1191 353 => [free ~ grouped]
adamc@1191 354 => [empties ~ selectedFields]
adamc@1070 355 => {Distinct : bool,
adamc@1191 356 From : sql_from_items free tables,
adamc@1191 357 Where : sql_exp (free ++ tables) [] [] bool,
adamc@748 358 GroupBy : sql_subset tables grouped,
adamc@1191 359 Having : sql_exp (free ++ grouped) tables [] bool,
adamc@1070 360 SelectFields : sql_subset grouped (map (fn _ => []) empties ++ selectedFields),
adamc@1191 361 SelectExps : $(map (sql_exp (free ++ grouped) tables [])
adamc@705 362 selectedExps) }
adamc@1191 363 -> sql_query1 free tables selectedFields selectedExps
adamc@229 364
adamc@229 365 type sql_relop
adamc@229 366 val sql_union : sql_relop
adamc@229 367 val sql_intersect : sql_relop
adamc@229 368 val sql_except : sql_relop
adamc@1191 369 val sql_relop : free ::: {{Type}}
adamc@1191 370 -> tables1 ::: {{Type}}
adamc@354 371 -> tables2 ::: {{Type}}
adamc@354 372 -> selectedFields ::: {{Type}}
adamc@354 373 -> selectedExps ::: {Type}
adamc@354 374 -> sql_relop
adamc@1191 375 -> sql_query1 free tables1 selectedFields selectedExps
adamc@1191 376 -> sql_query1 free tables2 selectedFields selectedExps
adamc@1191 377 -> sql_query1 free [] selectedFields selectedExps
adamc@1191 378 val sql_forget_tables : free ::: {{Type}} -> tables ::: {{Type}} -> selectedFields ::: {{Type}} -> selectedExps ::: {Type}
adamc@1191 379 -> sql_query1 free tables selectedFields selectedExps
adamc@1191 380 -> sql_query1 free [] selectedFields selectedExps
adamc@229 381
adamc@230 382 type sql_direction
adamc@230 383 val sql_asc : sql_direction
adamc@230 384 val sql_desc : sql_direction
adamc@230 385
adamc@234 386 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 387 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 388 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 389 -> sql_exp tables [] exps t -> sql_direction
adamc@354 390 -> sql_order_by tables exps
adamc@354 391 -> sql_order_by tables exps
adamc@230 392
adamc@231 393 type sql_limit
adamc@231 394 val sql_no_limit : sql_limit
adamc@231 395 val sql_limit : int -> sql_limit
adamc@354 396
adamc@232 397 type sql_offset
adamc@232 398 val sql_no_offset : sql_offset
adamc@232 399 val sql_offset : int -> sql_offset
adamc@232 400
adamc@1191 401 val sql_query : free ::: {{Type}}
adamc@1191 402 -> tables ::: {{Type}}
adamc@354 403 -> selectedFields ::: {{Type}}
adamc@354 404 -> selectedExps ::: {Type}
adamc@1191 405 -> [free ~ tables]
adamc@1191 406 => {Rows : sql_query1 free tables selectedFields selectedExps,
adamc@1191 407 OrderBy : sql_order_by (free ++ tables) selectedExps,
adamc@354 408 Limit : sql_limit,
adamc@354 409 Offset : sql_offset}
adamc@1191 410 -> sql_query free selectedFields selectedExps
adamc@204 411
adamc@354 412 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 413 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 414 -> exps ::: {Type}
adamc@354 415 -> tab :: Name -> field :: Name
adamc@354 416 -> sql_exp
adamc@354 417 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 418 agg exps fieldType
adamc@234 419
adamc@354 420 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 421 -> nm :: Name
adamc@354 422 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 423
adamc@221 424 class sql_injectable
adamc@676 425 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 426 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 427
adamc@354 428 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 429 -> t ::: Type
adamc@354 430 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 431
adamc@470 432 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 433 -> t ::: Type
adamc@470 434 -> sql_exp tables agg exps (option t)
adamc@470 435 -> sql_exp tables agg exps bool
adamc@470 436
adamc@559 437 class sql_arith
adamc@559 438 val sql_int_arith : sql_arith int
adamc@559 439 val sql_float_arith : sql_arith float
adamc@559 440
adamc@220 441 con sql_unary :: Type -> Type -> Type
adamc@220 442 val sql_not : sql_unary bool bool
adamc@354 443 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 444 -> arg ::: Type -> res ::: Type
adamc@354 445 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 446 -> sql_exp tables agg exps res
adamc@220 447
adamc@559 448 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 449
adamc@220 450 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 451 val sql_and : sql_binary bool bool bool
adamc@220 452 val sql_or : sql_binary bool bool bool
adamc@234 453 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 454 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 455 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 456 -> sql_exp tables agg exps arg2
adamc@354 457 -> sql_exp tables agg exps res
adamc@220 458
adamc@559 459 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 460 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 461 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 462 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 463 val sql_mod : sql_binary int int int
adamc@559 464
adamc@559 465 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 466 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 467 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 468 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 469 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 470 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 471
adamc@235 472 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 473 -> sql_exp tables agg exps int
adamc@235 474
adamc@1187 475 con sql_aggregate :: Type -> Type -> Type
adamc@354 476 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@1187 477 -> dom ::: Type -> ran ::: Type
adamc@1187 478 -> sql_aggregate dom ran -> sql_exp agg agg exps dom
adamc@1187 479 -> sql_exp tables agg exps ran
adamc@1187 480
adamc@1187 481 val sql_count_col : t ::: Type -> sql_aggregate (option t) int
adamc@236 482
adamc@236 483 class sql_summable
adamc@236 484 val sql_summable_int : sql_summable int
adamc@236 485 val sql_summable_float : sql_summable float
adamc@1187 486 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t t
adamc@1187 487 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t t
adamc@236 488
adamc@236 489 class sql_maxable
adamc@236 490 val sql_maxable_int : sql_maxable int
adamc@236 491 val sql_maxable_float : sql_maxable float
adamc@236 492 val sql_maxable_string : sql_maxable string
adamc@437 493 val sql_maxable_time : sql_maxable time
adamc@1187 494 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t t
adamc@1187 495 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t t
adamc@236 496
adamc@441 497 con sql_nfunc :: Type -> Type
adamc@441 498 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 499 -> t ::: Type
adamc@441 500 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 501 val sql_current_timestamp : sql_nfunc time
adamc@441 502
adamc@746 503 con sql_ufunc :: Type -> Type -> Type
adamc@746 504 val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@746 505 -> dom ::: Type -> ran ::: Type
adamc@746 506 -> sql_ufunc dom ran -> sql_exp tables agg exps dom
adamc@746 507 -> sql_exp tables agg exps ran
adamc@746 508 val sql_octet_length : sql_ufunc blob int
adamc@1207 509 val sql_known : t ::: Type -> sql_ufunc t bool
adamc@746 510
adamc@235 511
adamc@1081 512 val sql_nullable : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@1081 513 -> sql_injectable_prim t
adamc@1081 514 -> sql_exp tables agg exps t
adamc@1081 515 -> sql_exp tables agg exps (option t)
adamc@1081 516
adamc@1191 517 val sql_subquery : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> nm ::: Name -> t ::: Type
adamc@1191 518 -> sql_query tables [] [nm = t]
adamc@1191 519 -> sql_exp tables agg exps t
adamc@1191 520
adamc@243 521 (*** Executing queries *)
adamc@243 522
adamc@354 523 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 524 -> [tables ~ exps] =>
adamc@354 525 state ::: Type
adamc@1191 526 -> sql_query [] tables exps
adamc@621 527 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 528 -> state
adamc@354 529 -> transaction state)
adamc@354 530 -> state
adamc@354 531 -> transaction state
adamc@243 532
adamc@243 533
adamc@299 534 (*** Database mutators *)
adamc@299 535
adamc@299 536 type dml
adamc@299 537 val dml : dml -> transaction unit
adam@1293 538 val tryDml : dml -> transaction (option string)
adam@1293 539 (* Returns an error message on failure. *)
adamc@299 540
adamc@705 541 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 542 -> sql_table fields uniques
adamc@621 543 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 544 -> dml
adamc@299 545
adamc@705 546 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629 547 [changed ~ unchanged] =>
adamc@621 548 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705 549 -> sql_table (changed ++ unchanged) uniques
adamc@354 550 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 551 -> dml
adamc@299 552
adamc@705 553 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 554 -> sql_table fields uniques
adamc@354 555 -> sql_exp [T = fields] [] [] bool
adamc@354 556 -> dml
adamc@299 557
adamc@338 558 (*** Sequences *)
adamc@338 559
adamc@338 560 type sql_sequence
adamc@338 561 val nextval : sql_sequence -> transaction int
adamc@1073 562 val setval : sql_sequence -> int -> transaction unit
adamc@338 563
adamc@299 564
adamc@203 565 (** XML *)
adamc@203 566
adamc@721 567 type css_class
adam@1292 568 val classes : css_class -> css_class -> css_class
adam@1292 569 (* The equivalent of writing one class after the other, separated by a space, in
adam@1292 570 * an HTML 'class' attribute *)
adamc@718 571
adamc@720 572 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 573
adamc@720 574 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@720 575 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 576 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 577 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 578 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 579 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 580 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 581 [useOuter ~ useInner] =>
adamc@629 582 [bindOuter ~ bindInner] =>
adamc@721 583 option css_class
adamc@721 584 -> $attrsGiven
adamc@629 585 -> tag (attrsGiven ++ attrsAbsent)
adamc@720 586 ctxOuter ctxInner useOuter bindOuter
adamc@720 587 -> xml ctxInner useInner bindInner
adamc@720 588 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 589 val join : ctx ::: {Unit}
adamc@720 590 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@720 591 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@720 592 xml ctx use1 bind1
adamc@720 593 -> xml ctx (use1 ++ bind1) bind2
adamc@720 594 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 595 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@720 596 -> bind ::: {Type}
adamc@629 597 -> [use1 ~ use2] =>
adamc@720 598 xml ctx use1 bind
adamc@720 599 -> xml ctx (use1 ++ use2) bind
adamc@91 600
adamc@110 601 con xhtml = xml [Html]
adamc@139 602 con page = xhtml [] []
adamc@720 603 con xbody = xml [Body] [] []
adamc@1277 604 con xtable = xml [Body, Table] [] []
adamc@720 605 con xtr = xml [Body, Tr] [] []
adamc@720 606 con xform = xml [Body, Form] [] []
adamc@110 607
adamc@718 608
adamc@204 609 (*** HTML details *)
adamc@204 610
adamc@140 611 con html = [Html]
adamc@140 612 con head = [Head]
adamc@140 613 con body = [Body]
adamc@361 614 con form = [Body, Form]
adamc@760 615 con subform = [Body, Subform]
adamc@332 616 con tabl = [Body, Table]
adamc@332 617 con tr = [Body, Tr]
adamc@93 618
adamc@724 619 type url
adamc@1065 620 val show_url : show url
adamc@724 621 val bless : string -> url
adamc@770 622 val checkUrl : string -> option url
adamc@1085 623 val currentUrl : transaction url
adamc@1065 624 val url : transaction page -> url
adamc@1065 625 val redirect : t ::: Type -> url -> transaction t
adamc@724 626
adamc@847 627 val dyn : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> [ctx ~ body] => unit
adamc@847 628 -> tag [Signal = signal (xml (body ++ ctx) use bind)] (body ++ ctx) [] use bind
adamc@568 629
adamc@720 630 val head : unit -> tag [] html head [] []
adamc@720 631 val title : unit -> tag [] head [] [] []
adamc@1047 632 val link : unit -> tag [Id = string, Rel = string, Typ = string, Href = url, Media = string] head [] [] []
adamc@110 633
adamc@892 634 val body : unit -> tag [Onload = transaction unit, Onresize = transaction unit, Onunload = transaction unit]
adamc@892 635 html body [] []
adamc@354 636 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 637 ctx ::: {Unit} ->
adamc@629 638 [[Body] ~ ctx] =>
adamc@720 639 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 640 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 641 ctx ::: {Unit}
adamc@629 642 -> [[Body] ~ ctx] =>
adamc@720 643 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 644
adamc@1047 645 val br : bodyTagStandalone [Id = int]
adamc@119 646
adamc@892 647 con focusEvents = [Onblur = transaction unit, Onfocus = transaction unit]
adamc@892 648 con mouseEvents = [Onclick = transaction unit, Ondblclick = transaction unit,
adamc@892 649 Onmousedown = transaction unit, Onmousemove = transaction unit,
adamc@892 650 Onmouseout = transaction unit, Onmouseover = transaction unit,
adamc@894 651 Onmouseup = transaction unit]
adamc@895 652 con keyEvents = [Onkeydown = int -> transaction unit, Onkeypress = int -> transaction unit,
adamc@895 653 Onkeyup = int -> transaction unit]
adamc@895 654 (* Key arguments are character codes. *)
adamc@892 655 con resizeEvents = [Onresize = transaction unit]
adamc@691 656
adamc@892 657 con boxEvents = focusEvents ++ mouseEvents ++ keyEvents ++ resizeEvents
adamc@892 658 con tableEvents = focusEvents ++ mouseEvents ++ keyEvents
adamc@140 659
adam@1291 660 con boxAttrs = [Id = string, Title = string] ++ boxEvents
adam@1291 661 con tableAttrs = [Id = string, Title = string] ++ tableEvents
adamc@469 662
adamc@1047 663 val span : bodyTag boxAttrs
adamc@1047 664 val div : bodyTag boxAttrs
adamc@140 665
adamc@1047 666 val p : bodyTag boxAttrs
adamc@1047 667 val b : bodyTag boxAttrs
adamc@1047 668 val i : bodyTag boxAttrs
adamc@1047 669 val tt : bodyTag boxAttrs
adamc@410 670
adamc@1047 671 val h1 : bodyTag boxAttrs
adamc@1047 672 val h2 : bodyTag boxAttrs
adamc@1047 673 val h3 : bodyTag boxAttrs
adamc@1047 674 val h4 : bodyTag boxAttrs
adamc@1047 675 val h5 : bodyTag boxAttrs
adamc@1047 676 val h6 : bodyTag boxAttrs
adamc@717 677
adamc@1047 678 val li : bodyTag boxAttrs
adamc@1047 679 val ol : bodyTag boxAttrs
adamc@1047 680 val ul : bodyTag boxAttrs
adamc@140 681
adamc@1047 682 val hr : bodyTag boxAttrs
adamc@1047 683
adamc@1047 684 val a : bodyTag ([Link = transaction page, Href = url] ++ boxAttrs)
adamc@892 685
adamc@1129 686 val img : bodyTag ([Src = url, Width = int, Height = int,
adamc@1129 687 Onabort = transaction unit, Onerror = transaction unit,
adamc@1047 688 Onload = transaction unit] ++ boxAttrs)
adamc@892 689
adamc@720 690 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@1120 691 -> [[Body, Form, Table] ~ ctx] =>
adamc@1004 692 xml ([Body, Form] ++ ctx) [] bind
adamc@756 693 -> xml ([Body] ++ ctx) [] []
adamc@756 694
adamc@756 695 val subform : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@756 696 -> [[Form] ~ ctx] =>
adamc@756 697 nm :: Name -> [[nm] ~ use] =>
adamc@1004 698 xml ([Form] ++ ctx) [] bind
adamc@756 699 -> xml ([Form] ++ ctx) use [nm = $bind]
adamc@758 700
adamc@758 701 val subforms : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@1004 702 -> [[Form, Subform] ~ ctx] =>
adamc@758 703 nm :: Name -> [[nm] ~ use] =>
adamc@1004 704 xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 705 -> xml ([Form] ++ ctx) use [nm = list ($bind)]
adamc@758 706
adamc@758 707 val entry : ctx ::: {Unit} -> bind ::: {Type}
adamc@1004 708 -> [[Subform, Form] ~ ctx] =>
adamc@1004 709 xml ([Form] ++ ctx) [] bind
adamc@758 710 -> xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 711
adamc@361 712 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 713 ctx ::: {Unit}
adamc@629 714 -> [[Form] ~ ctx] =>
adamc@354 715 nm :: Name -> unit
adamc@720 716 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@1047 717 val hidden : formTag string [] [Id = string, Value = string]
adamc@892 718 val textbox : formTag string [] ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@1047 719 Ontext = transaction unit] ++ boxAttrs)
adamc@1047 720 val password : formTag string [] ([Value = string, Size = int] ++ boxAttrs)
adamc@892 721 val textarea : formTag string [] ([Rows = int, Cols = int, Onchange = transaction unit,
adamc@1047 722 Ontext = transaction unit] ++ boxAttrs)
adamc@153 723
adamc@1047 724 val checkbox : formTag bool [] ([Checked = bool] ++ boxAttrs)
adamc@190 725
adamc@737 726 type file
adamc@737 727 val fileName : file -> option string
adamc@740 728 val fileMimeType : file -> string
adamc@737 729 val fileData : file -> blob
adamc@737 730
adamc@1047 731 val upload : formTag file [] ([Value = string, Size = int] ++ boxAttrs)
adamc@737 732
adamc@741 733 type mimeType
adamc@741 734 val blessMime : string -> mimeType
adamc@770 735 val checkMime : string -> option mimeType
adamc@741 736 val returnBlob : t ::: Type -> blob -> mimeType -> transaction t
adamc@745 737 val blobSize : blob -> int
adamc@1119 738 val textBlob : string -> blob
adamc@741 739
adamc@153 740 con radio = [Body, Radio]
adamc@1047 741 val radio : formTag string radio [Id = string]
adamc@1068 742 val radioOption : unit -> tag ([Value = string, Checked = bool] ++ boxAttrs) radio [] [] []
adamc@142 743
adamc@154 744 con select = [Select]
adamc@1047 745 val select : formTag string select ([Onchange = transaction unit] ++ boxAttrs)
adamc@720 746 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 747
adamc@720 748 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 749 -> [[Form] ~ ctx] =>
adamc@354 750 unit
adamc@1047 751 -> tag ([Value = string, Action = $use -> transaction page] ++ boxAttrs)
adamc@720 752 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 753
adamc@1047 754 val label : bodyTag ([For = string, Accesskey = string] ++ tableAttrs)
adamc@1047 755
adamc@1047 756
adamc@601 757 (*** AJAX-oriented widgets *)
adamc@601 758
adamc@797 759 con cformTag = fn (attrs :: {Type}) (inner :: {Unit}) =>
adamc@601 760 ctx ::: {Unit}
adamc@629 761 -> [[Body] ~ ctx] =>
adamc@797 762 unit -> tag attrs ([Body] ++ ctx) inner [] []
adamc@601 763
adamc@892 764 val ctextbox : cformTag ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@1047 765 Ontext = transaction unit] ++ boxAttrs) []
adamc@1047 766 val button : cformTag ([Value = string] ++ boxAttrs) []
adamc@797 767
adamc@1047 768 val ccheckbox : cformTag ([Value = bool, Size = int, Source = source bool] ++ boxAttrs) []
adamc@817 769
adamc@797 770 con cselect = [Cselect]
adamc@1047 771 val cselect : cformTag ([Source = source string, Onchange = transaction unit] ++ boxAttrs) cselect
adamc@797 772 val coption : unit -> tag [Value = string, Selected = bool] cselect [] [] []
adamc@601 773
adamc@1099 774 val ctextarea : cformTag ([Value = string, Rows = int, Cols = int, Source = source string, Onchange = transaction unit,
adamc@1099 775 Ontext = transaction unit] ++ boxAttrs) []
adamc@1099 776
adamc@720 777 (*** Tables *)
adamc@720 778
adamc@892 779 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] => unit
adamc@1047 780 -> tag ([Border = int] ++ boxAttrs)
adamc@892 781 ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@892 782 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] => unit
adamc@1047 783 -> tag tableAttrs
adamc@892 784 ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@892 785 val th : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@1047 786 -> tag ([Colspan = int] ++ tableAttrs)
adamc@892 787 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@892 788 val td : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@1047 789 -> tag ([Colspan = int] ++ tableAttrs)
adamc@892 790 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 791
adamc@283 792
adamc@283 793 (** Aborting *)
adamc@283 794
adamc@726 795 val error : t ::: Type -> xbody -> t
adamc@720 796
adamc@729 797 (* Client-side-only handlers: *)
adamc@726 798 val onError : (xbody -> transaction unit) -> transaction unit
adamc@728 799 val onFail : (string -> transaction unit) -> transaction unit
adamc@729 800 val onConnectFail : transaction unit -> transaction unit
adamc@729 801 val onDisconnect : transaction unit -> transaction unit
adamc@729 802 val onServerError : (string -> transaction unit) -> transaction unit
adamc@727 803
adamc@727 804 val show_xml : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> show (xml ctx use bind)
adamc@1075 805
adamc@1075 806
adamc@1075 807 (** Tasks *)
adamc@1075 808
adamc@1075 809 type task_kind
adamc@1075 810 val initialize : task_kind
adamc@1120 811
adamc@1120 812
adamc@1199 813 (** Information flow security *)
adamc@1199 814
adamc@1199 815 type sql_policy
adamc@1199 816
adamc@1214 817 val sendClient : tables ::: {{Type}} -> exps ::: {Type}
adamc@1214 818 -> [tables ~ exps] => sql_query [] tables exps
adamc@1214 819 -> sql_policy
adamc@1199 820
adamc@1229 821 val sendOwnIds : sql_sequence -> sql_policy
adamc@1229 822
adamc@1220 823 val mayInsert : fs ::: {Type} -> tables ::: {{Type}} -> [[New] ~ tables]
adamc@1220 824 => sql_query [] ([New = fs] ++ tables) []
adamc@1220 825 -> sql_policy
adamc@1220 826
adamc@1221 827 val mayDelete : fs ::: {Type} -> tables ::: {{Type}} -> [[Old] ~ tables]
adamc@1221 828 => sql_query [] ([Old = fs] ++ tables) []
adamc@1221 829 -> sql_policy
adamc@1221 830
adamc@1223 831 val mayUpdate : fs ::: {Type} -> tables ::: {{Type}} -> [[Old, New] ~ tables]
adamc@1223 832 => sql_query [] ([Old = fs, New = fs] ++ tables) []
adamc@1223 833 -> sql_policy
adamc@1223 834
adamc@1240 835 val also : sql_policy -> sql_policy -> sql_policy
adamc@1199 836
adamc@1120 837 val debug : string -> transaction unit
adamc@1250 838
adamc@1250 839 val rand : transaction int