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Allow subqueries to reference aggregate-only columns of free tables; treat non-COUNT aggregate functions as possibly returning NULL
author Adam Chlipala <adam@chlipala.net>
date Sat, 15 Jan 2011 14:53:13 -0500
parents 7dd8a6704265
children 8631e9ed0ee8
rev   line source
adamc@623 1 (** Row folding *)
adamc@623 2
adamc@631 3 con folder :: K --> {K} -> Type
adamc@623 4
adamc@653 5 val fold : K --> tf :: ({K} -> Type)
adamc@653 6 -> (nm :: Name -> v :: K -> r :: {K} -> [[nm] ~ r] =>
adamc@653 7 tf r -> tf ([nm = v] ++ r))
adamc@653 8 -> tf []
adamc@1093 9 -> r ::: {K} -> folder r -> tf r
adamc@653 10
adamc@627 11 structure Folder : sig
adamc@627 12 val nil : K --> folder (([]) :: {K})
adamc@627 13 val cons : K --> r ::: {K} -> nm :: Name -> v :: K
adamc@629 14 -> [[nm] ~ r] => folder r -> folder ([nm = v] ++ r)
adamc@628 15 val concat : K --> r1 ::: {K} -> r2 ::: {K}
adamc@629 16 -> [r1 ~ r2] => folder r1 -> folder r2 -> folder (r1 ++ r2)
adamc@630 17 val mp : K1 --> K2 --> f ::: (K1 -> K2) -> r ::: {K1}
adamc@630 18 -> folder r -> folder (map f r)
adamc@627 19 end
adamc@627 20
adamc@623 21
adamc@422 22 val not : bool -> bool
adamc@422 23
adamc@898 24 con id = K ==> fn t :: K => t
adamc@329 25 con record = fn t :: {Type} => $t
adamc@637 26 con fst = K1 ==> K2 ==> fn t :: (K1 * K2) => t.1
adamc@637 27 con snd = K1 ==> K2 ==> fn t :: (K1 * K2) => t.2
adamc@637 28 con fst3 = K1 ==> K2 ==> K3 ==> fn t :: (K1 * K2 * K3) => t.1
adamc@637 29 con snd3 = K1 ==> K2 ==> K3 ==> fn t :: (K1 * K2 * K3) => t.2
adamc@637 30 con thd3 = K1 ==> K2 ==> K3 ==> fn t :: (K1 * K2 * K3) => t.3
adamc@329 31
adamc@643 32 con mapU = K ==> fn f :: K => map (fn _ :: Unit => f)
adamc@445 33
adamc@339 34 con ex = fn tf :: (Type -> Type) =>
adamc@355 35 res ::: Type -> (choice :: Type -> tf choice -> res) -> res
adamc@339 36
adamc@339 37 val ex : tf :: (Type -> Type) -> choice :: Type -> tf choice -> ex tf
adamc@339 38
adamc@325 39 val compose : t1 ::: Type -> t2 ::: Type -> t3 ::: Type
adamc@355 40 -> (t2 -> t3) -> (t1 -> t2) -> (t1 -> t3)
adamc@325 41
adamc@777 42 val show_option : t ::: Type -> show t -> show (option t)
adamc@777 43 val read_option : t ::: Type -> read t -> read (option t)
adamc@777 44
adamc@720 45 val txt : t ::: Type -> ctx ::: {Unit} -> use ::: {Type} -> show t -> t
adamc@720 46 -> xml ctx use []
adamc@329 47
adamc@993 48 val map0 : K --> tf :: (K -> Type)
adamc@993 49 -> (t :: K -> tf t)
adamc@1093 50 -> r ::: {K} -> folder r -> $(map tf r)
adamc@898 51 val mp : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type)
adamc@898 52 -> (t ::: K -> tf1 t -> tf2 t)
adamc@1093 53 -> r ::: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r)
adamc@937 54 val map2 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type) -> tf :: (K -> Type)
adamc@937 55 -> (t ::: K -> tf1 t -> tf2 t -> tf t)
adamc@1093 56 -> r ::: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r) -> $(map tf r)
adamc@937 57 val map3 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type) -> tf3 :: (K -> Type) -> tf :: (K -> Type)
adamc@937 58 -> (t ::: K -> tf1 t -> tf2 t -> tf3 t -> tf t)
adamc@1093 59 -> r ::: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r) -> $(map tf3 r) -> $(map tf r)
adamc@898 60
adamc@411 61 val foldUR : tf :: Type -> tr :: ({Unit} -> Type)
adamc@411 62 -> (nm :: Name -> rest :: {Unit}
adamc@629 63 -> [[nm] ~ rest] =>
adamc@411 64 tf -> tr rest -> tr ([nm] ++ rest))
adamc@1093 65 -> tr [] -> r ::: {Unit} -> folder r -> $(mapU tf r) -> tr r
adamc@411 66
adamc@418 67 val foldUR2 : tf1 :: Type -> tf2 :: Type -> tr :: ({Unit} -> Type)
adamc@418 68 -> (nm :: Name -> rest :: {Unit}
adamc@629 69 -> [[nm] ~ rest] =>
adamc@418 70 tf1 -> tf2 -> tr rest -> tr ([nm] ++ rest))
adamc@1093 71 -> tr [] -> r ::: {Unit} -> folder r -> $(mapU tf1 r) -> $(mapU tf2 r) -> tr r
adamc@418 72
adamc@623 73 val foldR : K --> tf :: (K -> Type) -> tr :: ({K} -> Type)
adamc@623 74 -> (nm :: Name -> t :: K -> rest :: {K}
adamc@629 75 -> [[nm] ~ rest] =>
adamc@355 76 tf t -> tr rest -> tr ([nm = t] ++ rest))
adamc@1093 77 -> tr [] -> r ::: {K} -> folder r -> $(map tf r) -> tr r
adamc@336 78
adamc@623 79 val foldR2 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type)
adamc@623 80 -> tr :: ({K} -> Type)
adamc@623 81 -> (nm :: Name -> t :: K -> rest :: {K}
adamc@629 82 -> [[nm] ~ rest] =>
adamc@623 83 tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest))
adamc@623 84 -> tr []
adamc@1093 85 -> r ::: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r) -> tr r
adamc@623 86
adamc@910 87 val foldR3 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type) -> tf3 :: (K -> Type)
adamc@910 88 -> tr :: ({K} -> Type)
adamc@910 89 -> (nm :: Name -> t :: K -> rest :: {K}
adamc@910 90 -> [[nm] ~ rest] =>
adamc@910 91 tf1 t -> tf2 t -> tf3 t -> tr rest -> tr ([nm = t] ++ rest))
adamc@910 92 -> tr []
adamc@1093 93 -> r ::: {K} -> folder r -> $(map tf1 r) -> $(map tf2 r) -> $(map tf3 r) -> tr r
adamc@910 94
adamc@1172 95 val mapUX : tf :: Type -> ctx :: {Unit}
adamc@1172 96 -> (nm :: Name -> rest :: {Unit} -> [[nm] ~ rest] =>
adamc@1172 97 tf -> xml ctx [] [])
adamc@1172 98 -> r ::: {Unit} -> folder r -> $(mapU tf r) -> xml ctx [] []
adamc@623 99
adamc@1172 100 val mapX : K --> tf :: (K -> Type) -> ctx :: {Unit}
adamc@1172 101 -> (nm :: Name -> t :: K -> rest :: {K}
adamc@1172 102 -> [[nm] ~ rest] =>
adamc@1172 103 tf t -> xml ctx [] [])
adamc@1172 104 -> r ::: {K} -> folder r -> $(map tf r) -> xml ctx [] []
adamc@445 105
adamc@1173 106 val mapUX2 : tf1 :: Type -> tf2 :: Type -> ctx :: {Unit}
adamc@1173 107 -> (nm :: Name -> rest :: {Unit}
adamc@1173 108 -> [[nm] ~ rest] =>
adamc@1173 109 tf1 -> tf2 -> xml ctx [] [])
adamc@1173 110 -> r ::: {Unit} -> folder r
adamc@1173 111 -> $(mapU tf1 r) -> $(mapU tf2 r) -> xml ctx [] []
adamc@1173 112
adamc@1172 113 val mapX2 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type) -> ctx :: {Unit}
adamc@1172 114 -> (nm :: Name -> t :: K -> rest :: {K}
adamc@1172 115 -> [[nm] ~ rest] =>
adamc@1172 116 tf1 t -> tf2 t -> xml ctx [] [])
adamc@1172 117 -> r ::: {K} -> folder r
adamc@1172 118 -> $(map tf1 r) -> $(map tf2 r) -> xml ctx [] []
adamc@1172 119
adamc@1172 120 val mapX3 : K --> tf1 :: (K -> Type) -> tf2 :: (K -> Type) -> tf3 :: (K -> Type) -> ctx :: {Unit}
adamc@1172 121 -> (nm :: Name -> t :: K -> rest :: {K}
adamc@1172 122 -> [[nm] ~ rest] =>
adamc@1172 123 tf1 t -> tf2 t -> tf3 t -> xml ctx [] [])
adamc@1172 124 -> r ::: {K} -> folder r
adamc@1172 125 -> $(map tf1 r) -> $(map tf2 r) -> $(map tf3 r) -> xml ctx [] []
adamc@910 126
adamc@1081 127 val queryL : tables ::: {{Type}} -> exps ::: {Type}
adamc@1081 128 -> [tables ~ exps] =>
adam@1394 129 sql_query [] [] tables exps
adamc@1081 130 -> transaction (list $(exps ++ map (fn fields :: {Type} => $fields) tables))
adamc@1081 131
adam@1321 132 val queryL1 : t ::: Name -> fs ::: {Type}
adam@1394 133 -> sql_query [] [] [t = fs] []
adam@1321 134 -> transaction (list $fs)
adam@1321 135
adamc@1177 136 val query1 : t ::: Name -> fs ::: {Type} -> state ::: Type
adam@1394 137 -> sql_query [] [] [t = fs] []
adamc@1177 138 -> ($fs -> state -> transaction state)
adamc@1177 139 -> state
adamc@1177 140 -> transaction state
adamc@1177 141
adamc@1177 142 val query1' : t ::: Name -> fs ::: {Type} -> state ::: Type
adam@1394 143 -> sql_query [] [] [t = fs] []
adamc@1177 144 -> ($fs -> state -> state)
adamc@1177 145 -> state
adamc@1177 146 -> transaction state
adamc@1177 147
adamc@682 148 val queryI : tables ::: {{Type}} -> exps ::: {Type}
adamc@682 149 -> [tables ~ exps] =>
adam@1394 150 sql_query [] [] tables exps
adamc@682 151 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@682 152 -> transaction unit)
adamc@682 153 -> transaction unit
adamc@682 154
adam@1363 155 val queryI1 : nm ::: Name -> fs ::: {Type}
adam@1394 156 -> sql_query [] [] [nm = fs] []
adam@1363 157 -> ($fs -> transaction unit)
adam@1363 158 -> transaction unit
adam@1363 159
adamc@1004 160 val queryX : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit} -> inp ::: {Type}
adamc@629 161 -> [tables ~ exps] =>
adam@1394 162 sql_query [] [] tables exps
adamc@632 163 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@1004 164 -> xml ctx inp [])
adamc@1004 165 -> transaction (xml ctx inp [])
adamc@341 166
adamc@1076 167 val queryX1 : nm ::: Name -> fs ::: {Type} -> ctx ::: {Unit} -> inp ::: {Type}
adam@1394 168 -> sql_query [] [] [nm = fs] []
adamc@1076 169 -> ($fs -> xml ctx inp [])
adamc@1076 170 -> transaction (xml ctx inp [])
adamc@1076 171
adamc@1032 172 val queryX' : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit} -> inp ::: {Type}
adamc@629 173 -> [tables ~ exps] =>
adam@1394 174 sql_query [] [] tables exps
adamc@632 175 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@1032 176 -> transaction (xml ctx inp []))
adamc@1032 177 -> transaction (xml ctx inp [])
adamc@1110 178 val queryX1' : nm ::: Name -> fs ::: {Type} -> ctx ::: {Unit} -> inp ::: {Type}
adam@1394 179 -> sql_query [] [] [nm = fs] []
adamc@1110 180 -> ($fs -> transaction (xml ctx inp []))
adamc@1110 181 -> transaction (xml ctx inp [])
adamc@1110 182 val queryXE' : exps ::: {Type} -> ctx ::: {Unit} -> inp ::: {Type}
adam@1394 183 -> sql_query [] [] [] exps
adamc@1110 184 -> ($exps -> transaction (xml ctx inp []))
adamc@1110 185 -> transaction (xml ctx inp [])
adamc@1110 186
adamc@1072 187 val hasRows : tables ::: {{Type}} -> exps ::: {Type}
adamc@1072 188 -> [tables ~ exps] =>
adam@1394 189 sql_query [] [] tables exps
adamc@1072 190 -> transaction bool
adamc@1072 191
adamc@355 192 val oneOrNoRows : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 193 -> [tables ~ exps] =>
adam@1394 194 sql_query [] [] tables exps
adamc@629 195 -> transaction
adamc@629 196 (option
adamc@629 197 $(exps
adamc@629 198 ++ map (fn fields :: {Type} => $fields) tables))
adamc@440 199
adamc@1003 200 val oneOrNoRows1 : nm ::: Name -> fs ::: {Type}
adam@1394 201 -> sql_query [] [] [nm = fs] []
adamc@1003 202 -> transaction (option $fs)
adamc@1003 203
adamc@1076 204 val oneOrNoRowsE1 : tabs ::: {Unit} -> nm ::: Name -> t ::: Type
adamc@1076 205 -> [tabs ~ [nm]] =>
adam@1394 206 sql_query [] [] (mapU [] tabs) [nm = t]
adamc@1006 207 -> transaction (option t)
adamc@1006 208
adamc@440 209 val oneRow : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 210 -> [tables ~ exps] =>
adam@1394 211 sql_query [] [] tables exps
adamc@629 212 -> transaction
adamc@629 213 $(exps
adamc@629 214 ++ map (fn fields :: {Type} => $fields) tables)
adamc@1003 215
adamc@1076 216 val oneRow1 : nm ::: Name -> fs ::: {Type}
adam@1394 217 -> sql_query [] [] [nm = fs] []
adamc@1076 218 -> transaction $fs
adamc@1076 219
adamc@1064 220 val oneRowE1 : tabs ::: {Unit} -> nm ::: Name -> t ::: Type
adamc@1064 221 -> [tabs ~ [nm]] =>
adam@1394 222 sql_query [] [] (mapU [] tabs) [nm = t]
adamc@1003 223 -> transaction t
adamc@1003 224
adamc@1074 225 val nonempty : fs ::: {Type} -> us ::: {{Unit}} -> sql_table fs us
adamc@1074 226 -> transaction bool
adamc@1074 227
adamc@470 228 val eqNullable : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 229 -> t ::: Type -> sql_injectable (option t)
adamc@470 230 -> sql_exp tables agg exps (option t)
adamc@470 231 -> sql_exp tables agg exps (option t)
adamc@470 232 -> sql_exp tables agg exps bool
adamc@470 233
adamc@470 234 val eqNullable' : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 235 -> t ::: Type -> sql_injectable (option t)
adamc@470 236 -> sql_exp tables agg exps (option t)
adamc@470 237 -> option t
adamc@470 238 -> sql_exp tables agg exps bool
adam@1360 239
adam@1360 240 val mkRead' : t ::: Type -> (string -> option t) -> string -> read t