Mercurial > urweb
annotate src/sql.sig @ 2279:32a407902d3b
Rewrite LRU cache. Now uses one big hash table and is less buggy.
| author | Ziv Scully <ziv@mit.edu> |
|---|---|
| date | Wed, 11 Nov 2015 20:01:48 -0500 |
| parents | 70ec9bb337be |
| children | f8903af753ff |
| rev | line source |
|---|---|
| ziv@2203 | 1 signature SQL = sig |
| ziv@2203 | 2 |
| ziv@2203 | 3 val debug : bool ref |
| ziv@2203 | 4 |
| ziv@2213 | 5 val sqlcacheMode : bool ref |
| ziv@2213 | 6 |
| ziv@2215 | 7 datatype chunk = |
| ziv@2215 | 8 String of string |
| ziv@2215 | 9 | Exp of Mono.exp |
| ziv@2215 | 10 |
| ziv@2215 | 11 val chunkify : Mono.exp -> chunk list |
| ziv@2215 | 12 |
| ziv@2204 | 13 type lvar = int |
| ziv@2203 | 14 |
| ziv@2203 | 15 datatype func = |
| ziv@2203 | 16 DtCon0 of string |
| ziv@2203 | 17 | DtCon1 of string |
| ziv@2203 | 18 | UnCon of string |
| ziv@2203 | 19 | Other of string |
| ziv@2203 | 20 |
| ziv@2203 | 21 datatype exp = |
| ziv@2203 | 22 Const of Prim.t |
| ziv@2203 | 23 | Var of int |
| ziv@2203 | 24 | Lvar of lvar |
| ziv@2203 | 25 | Func of func * exp list |
| ziv@2203 | 26 | Recd of (string * exp) list |
| ziv@2203 | 27 | Proj of exp * string |
| ziv@2203 | 28 |
| ziv@2216 | 29 datatype cmp = |
| ziv@2216 | 30 Eq |
| ziv@2203 | 31 | Ne |
| ziv@2203 | 32 | Lt |
| ziv@2203 | 33 | Le |
| ziv@2203 | 34 | Gt |
| ziv@2203 | 35 | Ge |
| ziv@2203 | 36 |
| ziv@2216 | 37 datatype reln = |
| ziv@2216 | 38 Known |
| ziv@2216 | 39 | Sql of string |
| ziv@2216 | 40 | PCon0 of string |
| ziv@2216 | 41 | PCon1 of string |
| ziv@2216 | 42 | Cmp of cmp |
| ziv@2216 | 43 |
| ziv@2216 | 44 datatype lop = |
| ziv@2216 | 45 And |
| ziv@2216 | 46 | Or |
| ziv@2216 | 47 |
| ziv@2203 | 48 datatype prop = |
| ziv@2203 | 49 True |
| ziv@2203 | 50 | False |
| ziv@2203 | 51 | Unknown |
| ziv@2216 | 52 | Lop of lop * prop * prop |
| ziv@2203 | 53 | Reln of reln * exp list |
| ziv@2203 | 54 | Cond of exp * prop |
| ziv@2203 | 55 |
| ziv@2212 | 56 type 'a parser |
| ziv@2204 | 57 |
| ziv@2204 | 58 val parse : 'a parser -> Mono.exp -> 'a option |
| ziv@2203 | 59 |
| ziv@2203 | 60 datatype Rel = |
| ziv@2216 | 61 RCmp of cmp |
| ziv@2216 | 62 | RLop of lop |
| ziv@2203 | 63 |
| ziv@2203 | 64 datatype sqexp = |
| ziv@2203 | 65 SqConst of Prim.t |
| ziv@2203 | 66 | SqTrue |
| ziv@2203 | 67 | SqFalse |
| ziv@2203 | 68 | SqNot of sqexp |
| ziv@2203 | 69 | Field of string * string |
| ziv@2203 | 70 | Computed of string |
| ziv@2203 | 71 | Binop of Rel * sqexp * sqexp |
| ziv@2203 | 72 | SqKnown of sqexp |
| ziv@2203 | 73 | Inj of Mono.exp |
| ziv@2203 | 74 | SqFunc of string * sqexp |
| ziv@2203 | 75 | Unmodeled |
| ziv@2203 | 76 | Null |
| ziv@2203 | 77 |
| ziv@2204 | 78 datatype ('a,'b) sum = inl of 'a | inr of 'b |
| ziv@2204 | 79 |
| ziv@2203 | 80 datatype sitem = |
| ziv@2203 | 81 SqField of string * string |
| ziv@2203 | 82 | SqExp of sqexp * string |
| ziv@2203 | 83 |
| ziv@2204 | 84 type query1 = {Select : sitem list, |
| ziv@2204 | 85 From : (string * string) list, |
| ziv@2204 | 86 Where : sqexp option} |
| ziv@2203 | 87 |
| ziv@2203 | 88 datatype query = |
| ziv@2203 | 89 Query1 of query1 |
| ziv@2203 | 90 | Union of query * query |
| ziv@2203 | 91 |
| ziv@2204 | 92 val query : query parser |
| ziv@2204 | 93 |
| ziv@2203 | 94 datatype dml = |
| ziv@2203 | 95 Insert of string * (string * sqexp) list |
| ziv@2203 | 96 | Delete of string * sqexp |
| ziv@2203 | 97 | Update of string * (string * sqexp) list * sqexp |
| ziv@2203 | 98 |
| ziv@2204 | 99 val dml : dml parser |
| ziv@2204 | 100 |
| ziv@2203 | 101 end |