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fix MDEV-18750: failed to flashback large-size binlog file

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fix MDEV-18750: failed to flashback large-size binlog file

fix mysqlbinlog flashback failure caused by reading io_cache without MY_FULL_IO flag

fix MDEV-18750: mysqlbinlog flashback failure on large binlog
This commit is contained in:
Zicheng Huang
2019-02-27 08:31:35 +00:00
committed by Oleksandr "Sanja" Byelkin
parent b4287ec386
commit d7c8423a3d
3 changed files with 185 additions and 4 deletions
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8
mysys/mf_iocache.c
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@@ -120,6 +120,10 @@ init_functions(IO_CACHE* info)
DBUG_ASSERT(0);
break;
}
if (type == READ_CACHE || type == WRITE_CACHE || type == SEQ_READ_APPEND)
info->myflags|= MY_FULL_IO;
else
info->myflags&= ~MY_FULL_IO;
}
@@ -296,10 +300,6 @@ int init_io_cache(IO_CACHE *info, File file, size_t cachesize,
}
info->inited=info->aio_result.pending=0;
#endif
if (type == READ_CACHE || type == WRITE_CACHE || type == SEQ_READ_APPEND)
info->myflags|= MY_FULL_IO;
else
info->myflags&= ~MY_FULL_IO;
DBUG_RETURN(0);
} /* init_io_cache */