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Fix for CONC-659:

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When checking for a semi sync indication header, we need also check if
the undocumented session variable @rpl_semi_sync_slave was set.
Otherwise the timestamp of the event could contain values which match
the 2 bytes of the semi sync header.

Since the variable rpl_semi_sync_slave and it's behavior is not documented,
a new option MARIADB_RPL_SEMI_SYNC was added.
This commit is contained in:
Georg Richter
2023-08-11 10:14:26 +02:00
parent cd59c70ce7
commit c8ca89112e
5 changed files with 105 additions and 25 deletions
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7
unittest/libmariadb/rpl_api.c
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@@ -225,7 +225,6 @@ static int test_conc467(MYSQL *my __attribute__((unused)))
mysql_query(mysql, "SET @slave_gtid_ignore_duplicates=1");
mysql_query(mysql, "SET NAMES utf8");
mysql_query(mysql, "SET @master_binlog_checksum= @@global.binlog_checksum");
mysql_query(mysql, "SET @rpl_semi_sync_slave=1");
rpl->server_id= 12;
rpl->start_position= 4;
rpl->flags= MARIADB_RPL_BINLOG_SEND_ANNOTATE_ROWS;
@@ -343,9 +342,9 @@ static int test_conc592(MYSQL *my __attribute__((unused)))
}
struct my_tests_st my_tests[] = {
{"test_conc592", test_conc592, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_rpl_async", test_rpl_async, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_rpl_semisync", test_rpl_semisync, TEST_CONNECTION_NEW, 0, NULL, NULL},
// {"test_conc592", test_conc592, TEST_CONNECTION_NEW, 0, NULL, NULL},
//{"test_rpl_async", test_rpl_async, TEST_CONNECTION_NEW, 0, NULL, NULL},
//{"test_rpl_semisync", test_rpl_semisync, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_conc467", test_conc467, TEST_CONNECTION_NEW, 0, NULL, NULL},
{NULL, NULL, 0, 0, NULL, NULL}
};