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From: Aleksandr Lyapunov <alyapunov@tarantool.org>
To: tarantool-patches@dev.tarantool.org
Cc: v.shpilevoy@tarantool.org
Subject: [Tarantool-patches] [PATCH 09/16] tx: introduce prepare sequence number
Date: Wed,  8 Jul 2020 18:14:16 +0300	[thread overview]
Message-ID: <1594221263-6228-10-git-send-email-alyapunov@tarantool.org> (raw)
In-Reply-To: <1594221263-6228-1-git-send-email-alyapunov@tarantool.org>

---
 src/box/txn.c | 4 ++++
 src/box/txn.h | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/src/box/txn.c b/src/box/txn.c
index 0ba86cb..5964ca7 100644
--- a/src/box/txn.c
+++ b/src/box/txn.c
@@ -39,6 +39,8 @@
 
 struct tx_manager
 {
+	/** Last prepare-sequence-number that was assigned to preped TX. */
+	int64_t last_psn;
 };
 
 static struct tx_manager txm;
@@ -564,6 +566,8 @@ txn_journal_entry_new(struct txn *txn)
 static int
 txn_prepare(struct txn *txn)
 {
+	txn->psn = ++txm.last_psn;
+
 	if (txn_has_flag(txn, TXN_IS_ABORTED_BY_YIELD)) {
 		assert(!txn_has_flag(txn, TXN_CAN_YIELD));
 		diag_set(ClientError, ER_TRANSACTION_YIELD);
diff --git a/src/box/txn.h b/src/box/txn.h
index e2194b6..cd1665f 100644
--- a/src/box/txn.h
+++ b/src/box/txn.h
@@ -214,6 +214,11 @@ struct txn {
 	 * Valid IDs start from 1.
 	 */
 	int64_t id;
+	/**
+	 * A sequential ID that is assigned when the TX become prepared.
+	 * Transactions are committed on in that order.
+	 */
+	int64_t psn;
 	/** Status of the TX */
 	enum txn_status status;
 	/** List of statements in a transaction. */
-- 
2.7.4

  parent reply	other threads:[~2020-07-08 15:14 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-08 15:14 [Tarantool-patches] [PATCH v2 00/16] Transaction engine for memtx engine Aleksandr Lyapunov
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 01/16] Update license file (2020) Aleksandr Lyapunov
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 02/16] Check data_offset overflow in struct tuple Aleksandr Lyapunov
2020-07-12 17:15   ` Vladislav Shpilevoy
2020-07-14 17:09     ` Aleksandr Lyapunov
2020-07-14 22:48       ` Vladislav Shpilevoy
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 03/16] tx: introduce dirty tuples Aleksandr Lyapunov
2020-07-12 17:15   ` Vladislav Shpilevoy
2020-07-12 22:24     ` Nikita Pettik
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 04/16] vinyl: rename tx_manager -> vy_tx_manager Aleksandr Lyapunov
2020-07-12 17:14   ` Vladislav Shpilevoy
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 05/16] tx: save txn in txn_stmt Aleksandr Lyapunov
2020-07-12 17:15   ` Vladislav Shpilevoy
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 06/16] tx: add TX status Aleksandr Lyapunov
2020-07-12 17:15   ` Vladislav Shpilevoy
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 07/16] tx: save preserve old tuple flag in txn_stmt Aleksandr Lyapunov
2020-07-12 17:14   ` Vladislav Shpilevoy
2020-07-14 23:46   ` Vladislav Shpilevoy
2020-07-15  7:53     ` Aleksandr Lyapunov
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 08/16] tx: introduce tx manager Aleksandr Lyapunov
2020-07-08 15:14 ` Aleksandr Lyapunov [this message]
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 10/16] tx: introduce txn_stmt_destroy Aleksandr Lyapunov
2020-07-12 17:15   ` Vladislav Shpilevoy
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 11/16] tx: introduce conflict tracker Aleksandr Lyapunov
2020-07-12 17:15   ` Vladislav Shpilevoy
2020-07-14 23:51   ` Vladislav Shpilevoy
2020-07-15  7:57     ` Aleksandr Lyapunov
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 12/16] introduce tuple smart pointers Aleksandr Lyapunov
2020-07-12 17:16   ` Vladislav Shpilevoy
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 13/16] tx: introduce txm_story Aleksandr Lyapunov
2020-07-12 17:14   ` Vladislav Shpilevoy
2020-07-14 23:46   ` Vladislav Shpilevoy
2020-07-15  8:11     ` Aleksandr Lyapunov
2020-07-15 22:02       ` Vladislav Shpilevoy
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 14/16] tx: indexes Aleksandr Lyapunov
2020-07-14 23:50   ` Vladislav Shpilevoy
2020-07-15 10:02     ` Aleksandr Lyapunov
2020-07-15 22:08       ` Vladislav Shpilevoy
2020-07-15 10:19     ` Aleksandr Lyapunov
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 15/16] tx: introduce point conflict tracker Aleksandr Lyapunov
2020-07-08 15:14 ` [Tarantool-patches] [PATCH 16/16] tx: use new tx manager in memtx Aleksandr Lyapunov
2020-07-14 23:45   ` Vladislav Shpilevoy
2020-07-15 10:32     ` Aleksandr Lyapunov
2020-07-15 22:09       ` Vladislav Shpilevoy
2020-07-12 17:19 ` [Tarantool-patches] [PATCH v2 00/16] Transaction engine for memtx engine Vladislav Shpilevoy
2020-07-14 23:47 ` Vladislav Shpilevoy
2020-07-15 12:25   ` Aleksandr Lyapunov
2020-07-15 22:10     ` Vladislav Shpilevoy
2020-07-16  4:48       ` Aleksandr Lyapunov

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