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LIMIT
author Adam Chlipala <adamc@hcoop.net>
date Thu, 21 Aug 2008 16:00:01 -0400
parents 87d41ac28b30
children a338da9d82f3
rev   line source
adamc@56 1 type int
adamc@56 2 type float
adamc@56 3 type string
adamc@91 4
adamc@119 5 type unit = {}
adamc@119 6
adamc@186 7 datatype bool = False | True
adamc@186 8
adamc@91 9
adamc@203 10 (** SQL *)
adamc@203 11
adamc@203 12 con sql_table :: {Type} -> Type
adamc@203 13
adamc@204 14 (*** Queries *)
adamc@204 15
adamc@204 16 con sql_query :: {{Type}} -> Type
adamc@229 17 con sql_query1 :: {{Type}} -> {{Type}} -> Type
adamc@223 18 con sql_exp :: {{Type}} -> {{Type}} -> Type -> Type
adamc@204 19
adamc@223 20 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 21 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@223 22 -> sql_subset
adamc@223 23 (fold (fn nm => fn fields :: ({Type} * {Type}) => fn acc =>
adamc@223 24 [nm] ~ acc => fields.1 ~ fields.2 =>
adamc@223 25 [nm = fields.1 ++ fields.2] ++ acc) [] keep_drop)
adamc@223 26 (fold (fn nm => fn fields :: ({Type} * {Type}) => fn acc =>
adamc@223 27 [nm] ~ acc =>
adamc@223 28 [nm = fields.1] ++ acc) [] keep_drop)
adamc@223 29 val sql_subset_all : tables :: {{Type}}
adamc@223 30 -> sql_subset tables tables
adamc@223 31
adamc@229 32 val sql_query1 : tables ::: {{Type}}
adamc@224 33 -> grouped ::: {{Type}}
adamc@223 34 -> selected ::: {{Type}}
adamc@223 35 -> {From : $(fold (fn nm => fn fields :: {Type} => fn acc =>
adamc@223 36 [nm] ~ acc => [nm = sql_table fields] ++ acc) [] tables),
adamc@223 37 Where : sql_exp tables [] bool,
adamc@224 38 GroupBy : sql_subset tables grouped,
adamc@224 39 Having : sql_exp grouped tables bool,
adamc@224 40 SelectFields : sql_subset grouped selected}
adamc@229 41 -> sql_query1 tables selected
adamc@229 42
adamc@229 43 type sql_relop
adamc@229 44 val sql_union : sql_relop
adamc@229 45 val sql_intersect : sql_relop
adamc@229 46 val sql_except : sql_relop
adamc@229 47 val sql_relop : sql_relop
adamc@229 48 -> tables1 ::: {{Type}}
adamc@229 49 -> tables2 ::: {{Type}}
adamc@229 50 -> selected ::: {{Type}}
adamc@229 51 -> sql_query1 tables1 selected -> sql_query1 tables2 selected -> sql_query1 selected selected
adamc@229 52
adamc@230 53 type sql_direction
adamc@230 54 val sql_asc : sql_direction
adamc@230 55 val sql_desc : sql_direction
adamc@230 56
adamc@230 57 con sql_order_by :: {{Type}} -> Type
adamc@230 58 val sql_order_by_Nil : tables :: {{Type}} -> sql_order_by tables
adamc@230 59 val sql_order_by_Cons : tables ::: {{Type}} -> t ::: Type
adamc@230 60 -> sql_exp tables [] t -> sql_order_by tables
adamc@230 61 -> sql_order_by tables
adamc@230 62
adamc@231 63 type sql_limit
adamc@231 64 val sql_no_limit : sql_limit
adamc@231 65 val sql_limit : int -> sql_limit
adamc@231 66
adamc@229 67 val sql_query : tables ::: {{Type}}
adamc@229 68 -> selected ::: {{Type}}
adamc@230 69 -> {Rows : sql_query1 tables selected,
adamc@231 70 OrderBy : sql_order_by tables,
adamc@231 71 Limit : sql_limit}
adamc@223 72 -> sql_query selected
adamc@204 73
adamc@225 74 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type} -> fieldType ::: Type -> agg ::: {{Type}}
adamc@221 75 -> tab :: Name -> field :: Name
adamc@223 76 -> sql_exp ([tab = [field = fieldType] ++ otherFields] ++ otherTabs) agg fieldType
adamc@209 77
adamc@221 78 class sql_injectable
adamc@221 79 val sql_bool : sql_injectable bool
adamc@221 80 val sql_int : sql_injectable int
adamc@221 81 val sql_float : sql_injectable float
adamc@221 82 val sql_string : sql_injectable string
adamc@223 83 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> t -> sql_injectable t -> sql_exp tables agg t
adamc@209 84
adamc@220 85 con sql_unary :: Type -> Type -> Type
adamc@220 86 val sql_not : sql_unary bool bool
adamc@223 87 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> arg ::: Type -> res ::: Type
adamc@223 88 -> sql_unary arg res -> sql_exp tables agg arg -> sql_exp tables agg res
adamc@220 89
adamc@220 90 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 91 val sql_and : sql_binary bool bool bool
adamc@220 92 val sql_or : sql_binary bool bool bool
adamc@223 93 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@223 94 -> sql_binary arg1 arg2 res -> sql_exp tables agg arg1 -> sql_exp tables agg arg2 -> sql_exp tables agg res
adamc@220 95
adamc@219 96 type sql_comparison
adamc@219 97 val sql_eq : sql_comparison
adamc@219 98 val sql_ne : sql_comparison
adamc@219 99 val sql_lt : sql_comparison
adamc@219 100 val sql_le : sql_comparison
adamc@219 101 val sql_gt : sql_comparison
adamc@219 102 val sql_ge : sql_comparison
adamc@219 103 val sql_comparison : sql_comparison
adamc@223 104 -> tables ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> sql_exp tables agg t -> sql_exp tables agg t
adamc@223 105 -> sql_injectable t -> sql_exp tables agg bool
adamc@203 106
adamc@203 107 (** XML *)
adamc@203 108
adamc@139 109 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 110
adamc@91 111
adamc@139 112 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@141 113 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@104 114 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type} -> attrsGiven ~ attrsAbsent
adamc@139 115 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@139 116 -> useOuter ::: {Type} -> useInner ::: {Type} -> useOuter ~ useInner
adamc@139 117 -> bindOuter ::: {Type} -> bindInner ::: {Type} -> bindOuter ~ bindInner
adamc@104 118 -> $attrsGiven
adamc@139 119 -> tag (attrsGiven ++ attrsAbsent) ctxOuter ctxInner useOuter bindOuter
adamc@139 120 -> xml ctxInner useInner bindInner
adamc@139 121 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 122 val join : ctx ::: {Unit}
adamc@139 123 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@139 124 -> use1 ~ bind1 -> bind1 ~ bind2
adamc@140 125 -> xml ctx use1 bind1
adamc@140 126 -> xml ctx (use1 ++ bind1) bind2
adamc@140 127 -> xml ctx use1 (bind1 ++ bind2)
adamc@148 128 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type} -> bind ::: {Type}
adamc@148 129 -> use1 ~ use2
adamc@148 130 -> xml ctx use1 bind
adamc@148 131 -> xml ctx (use1 ++ use2) bind
adamc@91 132
adamc@110 133 con xhtml = xml [Html]
adamc@139 134 con page = xhtml [] []
adamc@110 135
adamc@204 136 (*** HTML details *)
adamc@204 137
adamc@140 138 con html = [Html]
adamc@140 139 con head = [Head]
adamc@140 140 con body = [Body]
adamc@141 141 con lform = [Body, LForm]
adamc@93 142
adamc@140 143 val head : unit -> tag [] html head [] []
adamc@140 144 val title : unit -> tag [] head [] [] []
adamc@110 145
adamc@140 146 val body : unit -> tag [] html body [] []
adamc@140 147 con bodyTag = fn attrs :: {Type} => ctx ::: {Unit} -> [Body] ~ ctx -> unit
adamc@140 148 -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@141 149 con bodyTagStandalone = fn attrs :: {Type} => ctx ::: {Unit} -> [Body] ~ ctx -> unit
adamc@141 150 -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 151
adamc@141 152 val br : bodyTagStandalone []
adamc@119 153
adamc@140 154 val p : bodyTag []
adamc@140 155 val b : bodyTag []
adamc@140 156 val i : bodyTag []
adamc@140 157 val font : bodyTag [Size = int, Face = string]
adamc@140 158
adamc@140 159 val h1 : bodyTag []
adamc@140 160 val li : bodyTag []
adamc@140 161
adamc@140 162 val a : bodyTag [Link = page]
adamc@140 163
adamc@141 164 val lform : ctx ::: {Unit} -> [Body] ~ ctx -> bind ::: {Type}
adamc@141 165 -> xml lform [] bind
adamc@141 166 -> xml ([Body] ++ ctx) [] []
adamc@153 167 con lformTag = fn ty :: Type => fn inner :: {Unit} => fn attrs :: {Type} =>
adamc@141 168 ctx ::: {Unit} -> [LForm] ~ ctx
adamc@141 169 -> nm :: Name -> unit
adamc@153 170 -> tag attrs ([LForm] ++ ctx) inner [] [nm = ty]
adamc@153 171 val textbox : lformTag string [] []
adamc@155 172 val password : lformTag string [] []
adamc@153 173 val ltextarea : lformTag string [] []
adamc@153 174
adamc@190 175 val checkbox : lformTag bool [] []
adamc@190 176
adamc@153 177 con radio = [Body, Radio]
adamc@153 178 val radio : lformTag string radio []
adamc@153 179 val radioOption : unit -> tag [Value = string] radio [] [] []
adamc@142 180
adamc@154 181 con select = [Select]
adamc@154 182 val lselect : lformTag string select []
adamc@154 183 val loption : unit -> tag [Value = string] select [] [] []
adamc@154 184
adamc@142 185 val submit : ctx ::: {Unit} -> [LForm] ~ ctx
adamc@142 186 -> use ::: {Type} -> unit
adamc@142 187 -> tag [Action = $use -> page] ([LForm] ++ ctx) ([LForm] ++ ctx) use []