1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
#ifndef SG_SG_H_
#define SG_SG_H_
typedef long long int SgId;
#include <gu/exn.h>
#include <pgf/pgf.h>
typedef struct SgSG SgSG;
SgSG*
sg_open(const char *filename, GuExn* err);
void
sg_close(SgSG *sg, GuExn* err);
void
sg_begin_trans(SgSG* sg, GuExn* err);
void
sg_commit(SgSG* sg, GuExn* err);
void
sg_rollback(SgSG* sg, GuExn* err);
SgId
sg_insert_expr(SgSG *sg, PgfExpr expr, GuExn* err);
PgfExpr
sg_get_expr(SgSG *sg, SgId key, GuPool* out_pool, GuExn* err);
typedef PgfExpr SgTriple[3];
SgId
sg_insert_triple(SgSG *sg, SgTriple triple, GuExn* err);
int
sg_get_triple(SgSG *sg, SgId key, SgTriple triple,
GuPool* out_pool, GuExn* err);
typedef struct SgTripleResult SgTripleResult;
SgTripleResult*
sg_query_triple(SgSG *sg, SgTriple triple, GuExn* err);
int
sg_triple_result_fetch(SgTripleResult* tres, SgId* pKey, SgTriple triple,
GuPool* out_pool, GuExn* err);
void
sg_triple_result_get_query(SgTripleResult* tres, SgTriple triple);
void
sg_triple_result_close(SgTripleResult* tres, GuExn* err);
typedef int SgPattern[3];
typedef struct {
SgId* sel;
SgId* vars;
size_t n_patterns;
SgPattern patterns[];
} SgQuery;
typedef struct SgQueryResult SgQueryResult;
SgQueryResult*
sg_query(SgSG *sg, SgQuery* query, GuExn* err);
#endif
|
