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ANALYZE for MERGE

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unknown 2002-12-10 00:06:05 +01:00
commit 127d01dd01
4 changed files with 35 additions and 13 deletions
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22
myisammrg/myrg_open.c
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@ -32,8 +32,8 @@
MYRG_INFO *myrg_open(const char *name, int mode, int handle_locking)
{
int save_errno,i,errpos;
uint files,dir_length,length,options;
int save_errno,i,j,errpos;
uint files,dir_length,length,options, key_parts;
ulonglong file_offset;
char name_buff[FN_REFLEN*2],buff[FN_REFLEN],*end;
MYRG_INFO info,*m_info;
@ -89,13 +89,25 @@ MYRG_INFO *myrg_open(const char *name, int mode, int handle_locking)
}
info.reclength=isam->s->base.reclength;
}
key_parts=(isam ? isam->s->base.key_parts : 0);
if (!(m_info= (MYRG_INFO*) my_malloc(sizeof(MYRG_INFO)+
files*sizeof(MYRG_TABLE),
files*sizeof(MYRG_TABLE)+
sizeof(long)*key_parts,
MYF(MY_WME))))
goto err;
*m_info=info;
m_info->open_tables=(files) ? (MYRG_TABLE *) (m_info+1) : 0;
m_info->tables=files;
if (files)
{
m_info->open_tables=(MYRG_TABLE *) (m_info+1);
m_info->rec_per_key_part=(ulong *) (m_info->open_tables+files);
bzero((char*) m_info->rec_per_key_part,sizeof(long)*key_parts);
}
else
{
m_info->open_tables=0;
m_info->rec_per_key_part=0;
}
errpos=2;
options= (uint) ~0;
@ -107,6 +119,8 @@ MYRG_INFO *myrg_open(const char *name, int mode, int handle_locking)
m_info->records+=isam->state->records;
m_info->del+=isam->state->del;
m_info->data_file_length+=isam->state->data_file_length;
for (j=0; j < key_parts; j++)
m_info->rec_per_key_part[j]+=isam->s->state.rec_per_key_part[j] / files;
if (i)
isam=(MI_INFO*) (isam->open_list.next->data);
}