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Diffstat (limited to 'mysql/mysql/service_rpl_transaction_ctx.h')
-rw-r--r-- | mysql/mysql/service_rpl_transaction_ctx.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/mysql/mysql/service_rpl_transaction_ctx.h b/mysql/mysql/service_rpl_transaction_ctx.h new file mode 100644 index 0000000..e25b22f --- /dev/null +++ b/mysql/mysql/service_rpl_transaction_ctx.h @@ -0,0 +1,81 @@ +/* Copyright (c) 2014, 2015, 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 as published by + the Free Software Foundation; version 2 of the License. + + 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 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 + +#ifdef __cplusplus +extern "C" { +#endif + +struct st_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. + Note: type is char like on my_bool. + */ + char m_rollback_transaction; + + /* + If the plugin has generated a GTID, then the follwoing + fields MUST be set. + Note: type is char like on my_bool. + */ + char m_generated_gtid; + int m_sidno; + long long int m_gno; +}; +typedef struct st_transaction_termination_ctx Transaction_termination_ctx; + +extern 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 + +#ifdef __cplusplus +} +#endif + +#define MYSQL_SERVICE_RPL_TRANSACTION_CTX_INCLUDED +#endif |