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Fix and testcase for BUG#6699

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myisam/mi_rnext_same.c:
  Fix for BUG#6699: 
    MERGE handler now uses mi_rnext_same() with priority queue, so skip record unpacking if buf==NULL
myisammrg/myrg_rnext_same.c:
  Fix for BUG#6699: 
   make myrg_rnext_same sort always sort records and return them in key order.
mysql-test/r/merge.result:
  Test for BUG#6699
mysql-test/t/merge.test:
  Test for BUG#6699
This commit is contained in:
unknown 2004-11-29 06:51:30 +03:00
commit 7ea1621207
4 changed files with 69 additions and 11 deletions
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4
myisam/mi_rnext_same.c
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@ -88,6 +88,10 @@ int mi_rnext_same(MI_INFO *info, byte *buf)
if (my_errno == HA_ERR_KEY_NOT_FOUND)
my_errno=HA_ERR_END_OF_FILE;
}
else if (!buf)
{
DBUG_RETURN(info->lastpos==HA_OFFSET_ERROR ? my_errno : 0);
}
else if (!(*info->read_record)(info,info->lastpos,buf))
{
info->update|= HA_STATE_AKTIV; /* Record is read */