comparison: dbutils/object.h
dbutils/object.h
- changeset 4
- 1908c8b1599f
- parent 3
- 69ea9040d896
- child 6
- d6981b56ab30
equal
deleted
inserted
replaced
| 3:69ea9040d896 | 4:1908c8b1599f |
|---|---|
| 35 #ifdef __cplusplus | 35 #ifdef __cplusplus |
| 36 extern "C" { | 36 extern "C" { |
| 37 #endif | 37 #endif |
| 38 | 38 |
| 39 typedef struct DBUFieldMapping { | 39 typedef struct DBUFieldMapping { |
| 40 DBUClass *cls; | |
| 40 DBUField *field; | 41 DBUField *field; |
| 41 DBUFieldType type; | 42 DBUFieldType type; |
| 42 int index; | 43 bool is_main; |
| 43 } DBUFieldMapping; | 44 } DBUFieldMapping; |
| 44 | 45 |
| 46 typedef struct DBUBuilderQuery DBUBuilderQuery; | |
| 47 struct DBUBuilderQuery { | |
| 48 DBUClass *type; | |
| 49 DBUQuery *query; | |
| 50 }; | |
| 51 | |
| 52 typedef struct DBUObjectBuilderResult DBUObjectBuilderResult; | |
| 53 struct DBUObjectBuilderResult { | |
| 54 void *userdata1; | |
| 55 void *userdata2; | |
| 56 int int1; | |
| 57 int int2; | |
| 58 DBUObject (*create)(DBUObjectBuilderResult *result, DBUClass *type, const CxAllocator *a); | |
| 59 int (*add)(DBUObjectBuilderResult *result, void *obj); | |
| 60 void (*free)(DBUObjectBuilderResult *result); | |
| 61 }; | |
| 62 | |
| 63 struct DBUObjectBuilder { | |
| 64 const CxAllocator *allocator; | |
| 65 | |
| 66 DBUContext *ctx; | |
| 67 | |
| 68 /* | |
| 69 * Main query, that us used for generating the result list. | |
| 70 */ | |
| 71 DBUQuery *mainQuery; | |
| 72 | |
| 73 /* | |
| 74 * result type | |
| 75 */ | |
| 76 DBUClass *resultType; | |
| 77 | |
| 78 /* | |
| 79 * key: type name | |
| 80 * value: DBUQuery* | |
| 81 * | |
| 82 * Subqueries, that should be executed for all main result rows. | |
| 83 * Before a subquery is executed, the first parameter is set to the | |
| 84 * foreign key, that is stored in the main table. | |
| 85 */ | |
| 86 CxMap *subQueries; | |
| 87 | |
| 88 /* | |
| 89 * value: DBUBuilderQuery | |
| 90 * | |
| 91 * Additional queries are executed before the main query and the result | |
| 92 * objects are cached and later added as children to the main result. | |
| 93 */ | |
| 94 CxList *additionalQueries; | |
| 95 | |
| 96 /* | |
| 97 * result builder | |
| 98 */ | |
| 99 DBUObjectBuilderResult *result; | |
| 100 }; | |
| 101 | |
| 102 int dbuObjectBuilderGet(DBUObjectBuilder *builder, DBUObjectBuilderResult *objresult); | |
| 45 | 103 |
| 46 #ifdef __cplusplus | 104 #ifdef __cplusplus |
| 47 } | 105 } |
| 48 #endif | 106 #endif |
| 49 | 107 |
