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added pre/post read callbacks to IO_CACHE

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#ifdefed out code not used in the server from log events
started on new LOAD DATA INFILE events
This commit is contained in:
sasha@mysql.sashanet.com
2001-07-20 16:22:54 -06:00
parent b5f76be024
commit 008456c9b6
7 changed files with 132 additions and 8 deletions
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6
sql/mf_iocache.cc
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@ -57,6 +57,7 @@ int init_io_cache(IO_CACHE *info, File file, uint cachesize,
/* There is no file in net_reading */
info->file= file;
info->pre_read = info->post_read = 0;
if (!cachesize)
if (! (cachesize= my_default_record_cache_size))
DBUG_RETURN(1); /* No cache requested */
@ -535,8 +536,13 @@ int _my_b_async_read(register IO_CACHE *info, byte *Buffer, uint Count)
int _my_b_get(IO_CACHE *info)
{
byte buff;
IO_CACHE_CALLBACK pre_read,post_read;
if ((pre_read = info->pre_read))
(*pre_read)(info);
if ((*(info)->read_function)(info,&buff,1))
return my_b_EOF;
if ((post_read = info->post_read))
(*post_read)(info);
return (int) (uchar) buff;
}