Nevar pievienot vairāk kā 25 tēmas
Tēmai ir jāsākas ar burtu vai ciparu, tā var saturēt domu zīmes ('-') un var būt līdz 35 simboliem gara.
27 rindas
544 B
27 rindas
544 B
#include "leveldb/db.h"
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#include <iostream>
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using namespace std;
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using namespace leveldb;
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int main() {
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DB* db = nullptr;
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Options op;
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op.create_if_missing = true;
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Status status = DB::Open(op, "testdb", &db);
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assert(status.ok());
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db->Put(WriteOptions(), "001", "leveldb", 5);
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string s;
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auto stat = db->Get(ReadOptions(), "001", &s);
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cout<<s<<endl;
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db->Put(WriteOptions(), "002", "world");
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string s1;
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db->Delete(WriteOptions(), "002");
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db->Get(ReadOptions(), "002", &s1);
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cout<<s1<<endl;
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delete db;
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return 0;
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}
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