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authorChristian Mollekopf <chrigi_1@fastmail.fm>2014-12-04 01:15:40 +0100
committerChristian Mollekopf <chrigi_1@fastmail.fm>2014-12-04 01:15:40 +0100
commitef4b74960718bd492dc8f2e49f61ff9d3e5bd10a (patch)
treee60ac555f5697cc63e7be7a19c6c0adffc41fbd9 /store/database.h
parent44757d932abac6c8346366dfa3c0fb94e5ee0d06 (diff)
downloadsink-ef4b74960718bd492dc8f2e49f61ff9d3e5bd10a.tar.gz
sink-ef4b74960718bd492dc8f2e49f61ff9d3e5bd10a.zip
ReadTransaction to read stuff.
Diffstat (limited to 'store/database.h')
-rw-r--r--store/database.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/store/database.h b/store/database.h
index 999a89e..ab398a4 100644
--- a/store/database.h
+++ b/store/database.h
@@ -18,3 +18,21 @@ private:
18 MDB_env *env; 18 MDB_env *env;
19 MDB_dbi dbi; 19 MDB_dbi dbi;
20}; 20};
21
22/*
23 * This opens the db for a single read transaction.
24 *
25 * The lifetime of all read values is tied to this transaction.
26 */
27class ReadTransaction {
28public:
29 ReadTransaction(const QString &path);
30 ~ReadTransaction();
31
32 void read(const std::string &sKey, const std::function<void(void *ptr, int size)> &);
33
34private:
35 MDB_env *env;
36 MDB_dbi dbi;
37 MDB_txn *txn;
38};