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Merge with 4.0.16

This commit is contained in:
monty@narttu.mysql.fi
2003-10-07 15:42:26 +03:00
167 changed files with 2872 additions and 6758 deletions

View File

@ -308,22 +308,31 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
#ifndef EMBEDDED_LIBRARY
if (!opt_old_rpl_compat && mysql_bin_log.is_open())
{
/*
Make sure last block (the one which caused the error) gets logged.
This is needed because otherwise after write of
(to the binlog, not to read_info (which is a cache))
Delete_file_log_event the bad block will remain in read_info (because
pre_read is not called at the end of the last block; remember pre_read
is called whenever a new block is read from disk).
At the end of mysql_load(), the destructor of read_info will call
end_io_cache() which will flush read_info, so we will finally have
this in the binlog:
Append_block # The last successfull block
Delete_file
Append_block # The failing block
which is nonsense.
Or could also be (for a small file)
Create_file # The failing block
which is nonsense (Delete_file is not written in this case, because:
Create_file has not been written, so Delete_file is not written, then
when read_info is destroyed end_io_cache() is called which writes
Create_file.
*/
read_info.end_io_cache();
/* If the file was not empty, wrote_create_file is true */
if (lf_info.wrote_create_file)
{
/*
Make sure last block (the one which caused the error) gets logged.
This is needed because otherwise after write of
(to the binlog, not to read_info (which is a cache))
Delete_file_log_event the bad block will remain in read_info.
At the end of mysql_load(), the destructor of read_info will call
end_io_cache() which will flush read_info, so we will finally have
this in the binlog:
Append_block # The last successfull block
Delete_file
Append_block # The failing block
which is nonsense.
*/
read_info.end_io_cache();
Delete_file_log_event d(thd, db, log_delayed);
mysql_bin_log.write(&d);
}
@ -355,7 +364,12 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
}
else
{
read_info.end_io_cache(); // make sure last block gets logged
/*
As already explained above, we need to call end_io_cache() or the last
block will be logged only after Execute_load_log_event (which is wrong),
when read_info is destroyed.
*/
read_info.end_io_cache();
if (lf_info.wrote_create_file)
{
Execute_load_log_event e(thd, db, log_delayed);