paulhorn
62 lines
1.1 KiB
C
62 lines
1.1 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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{
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#endif
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/* --- Page Management --- */
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typedef struct Page Page;
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Page*
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page_create(uint32_t page_id);
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int
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page_insert(Page* p, const void* data, size_t len);
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void*
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page_get(Page* p, uint16_t slot_id, size_t* out_len);
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void
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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*
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heap_create(void);
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int
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heap_insert(Heap* h, const void* data, size_t len);
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void
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heap_full_scan(Heap* h, void (*callback)(const void*, size_t));
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void
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heap_free(Heap* h);
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/* --- B+Tree Index --- */
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typedef struct BTree BTree;
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BTree*
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btree_create(void);
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int
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btree_insert(BTree* bt, int64_t key, uint32_t page_id, uint16_t slot_id);
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int
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btree_lookup(BTree* bt, int64_t key, uint32_t* out_page, uint16_t* out_slot);
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void
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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 */ |