1berry/MariaDB-server
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fixed length rows should not use row checksum in MyISAM tables

Browse Source 
Fixed bug in handling of packed MyISAM keys
This commit is contained in:
monty@hundin.mysql.fi 2001-06-26 10:23:50 +03:00
parent 65600db56d
commit 85388703c4
3 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
myisam/mi_create.c
View File

@ -164,6 +164,9 @@ int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs,
if (packed || (flags & HA_PACK_RECORD))
options|=HA_OPTION_PACK_RECORD; /* Must use packed records */
/* We can't use checksum with static length rows */
if (!(options & HA_OPTION_PACK_RECORD))
options&= ~HA_OPTION_CHECKSUM;
if (options & (HA_OPTION_PACK_RECORD | HA_OPTION_COMPRESS_RECORD))
min_pack_length+=varchar_count; /* Min length to pack */
else
@ -445,7 +448,7 @@ int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs,
share.base.records=ci->max_rows;
share.base.reloc= ci->reloc_rows;
share.base.reclength=real_reclength;
share.base.pack_reclength=reclength+ test(options & HA_OPTION_CHECKSUM);;
share.base.pack_reclength=reclength+ test(options & HA_OPTION_CHECKSUM);
share.base.max_pack_length=pack_reclength;
share.base.min_pack_length=min_pack_length;
share.base.pack_bits=packed;

2
myisam/mi_search.c
View File

@ -417,7 +417,7 @@ int _mi_prefix_search(MI_INFO *info, register MI_KEYDEF *keyinfo, uchar *page,
}
else if (len > cmplen)
{
if ((my_flag= (!(nextflag & SEARCH_PREFIX) && key_len_left>0)))
if ((my_flag= (!(nextflag & SEARCH_PREFIX) || key_len_left>0)))
break;
goto fix_flag;
}

2
myisam/mi_statrec.c
View File

@ -73,7 +73,7 @@ int _mi_write_static_record(MI_INFO *info, const byte *record)
bzero((char*) temp,length);
if (my_pwrite(info->dfile, (byte*) temp,length,
info->state->data_file_length+
info->s->base.pack_reclength,
info->s->base.reclength,
info->s->write_flag))
goto err;
}