Commit 076b773d authored by David Barbour's avatar David Barbour Committed by Hallvard Furuseth
Browse files

ITS#7994 Access to current transaction ID.

commit b660491d (mdb_txn_id())
plus c36c167c (fix prev commit)
from mdb.master.
parent f3d3f60e
......@@ -953,6 +953,17 @@ int mdb_txn_begin(MDB_env *env, MDB_txn *parent, unsigned int flags, MDB_txn **
MDB_env *mdb_txn_env(MDB_txn *txn);
/** @brief Return the transaction's ID.
* This returns the identifier associated with this transaction. For a
* read-only transaction, this corresponds to the snapshot being read;
* concurrent readers will frequently have the same transaction ID.
* @param[in] txn A transaction handle returned by #mdb_txn_begin()
* @return A transaction ID, valid if input is an active transaction.
size_t mdb_txn_id(MDB_txn *txn);
/** @brief Commit all the operations of a transaction into the database.
* The transaction handle is freed. It and its cursors must not be used
......@@ -2766,6 +2766,13 @@ mdb_txn_env(MDB_txn *txn)
return txn->mt_env;
mdb_txn_id(MDB_txn *txn)
if(!txn) return 0;
return txn->mt_txnid;
/** Export or close DBI handles opened in this txn. */
static void
mdb_dbis_update(MDB_txn *txn, int keep)
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