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authorhcpp <hcpp@ydb.tech>2023-11-08 12:09:41 +0300
committerhcpp <hcpp@ydb.tech>2023-11-08 12:56:14 +0300
commita361f5b98b98b44ea510d274f6769164640dd5e1 (patch)
treec47c80962c6e2e7b06798238752fd3da0191a3f6 /contrib/libs/libmysql_r/include/mysql/service_rpl_transaction_ctx.h
parent9478806fde1f4d40bd5a45e7cbe77237dab613e9 (diff)
downloadydb-a361f5b98b98b44ea510d274f6769164640dd5e1.tar.gz
metrics have been added
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+/* Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License, version 2.0,
+ as published by the Free Software Foundation.
+
+ This program is also distributed with certain software (including
+ but not limited to OpenSSL) that is licensed under separate terms,
+ as designated in a particular file or component or in included license
+ documentation. The authors of MySQL hereby grant you an additional
+ permission to link the program and your derivative works with the
+ separately licensed software that they have included with MySQL.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License, version 2.0, for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
+
+#ifndef MYSQL_SERVICE_RPL_TRANSACTION_CTX_INCLUDED
+
+/**
+ @file include/mysql/service_rpl_transaction_ctx.h
+ This service provides a function for plugins to report if a transaction of a
+ given THD should continue or be aborted.
+
+ SYNOPSIS
+ set_transaction_ctx()
+ should be called during RUN_HOOK macro, on which we know that thread is
+ on plugin context and it is before
+ Rpl_transaction_ctx::is_transaction_rollback() check.
+*/
+
+#ifndef MYSQL_ABI_CHECK
+#include <stdlib.h>
+#endif
+
+struct Transaction_termination_ctx {
+ unsigned long m_thread_id;
+ unsigned int m_flags; // reserved
+
+ /*
+ If the instruction is to rollback the transaction,
+ then this flag is set to false.
+ */
+ bool m_rollback_transaction;
+
+ /*
+ If the plugin has generated a GTID, then the follwoing
+ fields MUST be set.
+ */
+ bool m_generated_gtid;
+ int m_sidno;
+ long long int m_gno;
+};
+
+extern "C" struct rpl_transaction_ctx_service_st {
+ int (*set_transaction_ctx)(
+ Transaction_termination_ctx transaction_termination_ctx);
+} * rpl_transaction_ctx_service;
+
+#ifdef MYSQL_DYNAMIC_PLUGIN
+
+#define set_transaction_ctx(transaction_termination_ctx) \
+ (rpl_transaction_ctx_service->set_transaction_ctx( \
+ (transaction_termination_ctx)))
+
+#else
+
+int set_transaction_ctx(
+ Transaction_termination_ctx transaction_termination_ctx);
+
+#endif
+
+#define MYSQL_SERVICE_RPL_TRANSACTION_CTX_INCLUDED
+#endif