paulhorn
50 lines
1.0 KiB
C
50 lines
1.0 KiB
C
/* storage.h - C-ABI boundary between Storage Engine (C) and Engine Logic (C++) */
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#ifndef PAULDB_STORAGE_H
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#define PAULDB_STORAGE_H
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#include <stddef.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* --- Page Management --- */
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typedef struct Page Page;
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Page * page_create(uint32_t page_id);
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int page_insert(Page * p, const void * data, size_t len);
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void * page_get(Page * p, uint16_t slot_id, size_t * out_len);
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void page_free(Page * p);
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/* --- Heap (Multi-Page Row Store / Delta) --- */
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typedef struct Heap Heap;
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Heap * heap_create(void);
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int heap_insert(Heap * h, const void * data, size_t len);
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void heap_full_scan(Heap * h, void (*callback)(const void *, size_t));
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void heap_free(Heap * h);
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/* --- B+Tree Index --- */
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typedef struct BTree BTree;
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BTree * btree_create(void);
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int btree_insert(BTree * bt, int64_t key, uint32_t page_id, uint16_t slot_id);
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int btree_lookup(BTree * bt, int64_t key, uint32_t * out_page, uint16_t * out_slot);
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void btree_free(BTree * bt);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PAULDB_STORAGE_H */ |