mirror of
https://github.com/status-im/nim-rocksdb.git
synced 2025-02-18 01:47:21 +00:00
4b73bca449
* error is a pointer to a cstring that the API will allocate on error * if an error is returned, it must be free'd * note missing tests for when error happens
51 lines
1.0 KiB
Nim
51 lines
1.0 KiB
Nim
import ../rocksdb, os
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type
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MyDB = object
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rocksdb: RocksDBInstance
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# TODO no tests for failures / error reporting
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proc initMyDb(path: string): MyDB =
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let
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dataDir = path / "data"
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backupsDir = path / "backups"
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createDir(dataDir)
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createDir(backupsDir)
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var s = result.rocksdb.init(dataDir, backupsDir)
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doAssert s.ok, $s
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proc main =
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var db = initMyDb("/tmp/mydb")
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defer: close(db.rocksdb)
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let key = @[byte(1), 2, 3, 4, 5]
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let otherKey = @[byte(1), 2, 3, 4, 5, 6]
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let val = @[byte(1), 2, 3, 4, 5]
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var s = db.rocksdb.put(key, val)
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doAssert s.ok, $s
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var r1 = db.rocksdb.getBytes(key)
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doAssert r1.ok and r1.value == val, $r1
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var r2 = db.rocksdb.getBytes(otherKey)
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doAssert r2.ok and r2.value.len == 0, $r2
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var e1 = db.rocksdb.contains(key)
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doAssert e1.ok and e1.value == true, $e1
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var e2 = db.rocksdb.contains(otherKey)
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doAssert e2.ok and e2.value == false, $e2
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s = db.rocksdb.del(key)
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doAssert s.ok, $s
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e1 = db.rocksdb.contains(key)
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doAssert e1.ok and e1.value == false, $e1
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main()
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