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Viewing changes to storage/myisam/mi_cache.c

  • Committer: Brian Aker
  • Date: 2008-07-29 07:47:38 UTC
  • mfrom: (212.6.1 bzero-memset)
  • Revision ID: brian@tangent.org-20080729074738-lfzim6htapm42f2o
Merge from Mats

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storage/myisam/mi_cache.c
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  expected to hit the cache again.
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  Allows "partial read" errors in the record header (when READING_HEADER flag
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  is set) - unread part is bzero'ed
 
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  is set) - unread part is zero'ed
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  Note: out-of-cache reads are enabled for shared IO_CACHE's too,
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  as these reads will be cached by OS cache (and my_pread is always atomic)
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      my_errno=HA_ERR_WRONG_IN_RECORD;
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    return(1);
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  }
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  bzero(buff+read_length,MI_BLOCK_INFO_HEADER_LENGTH - in_buff_length -
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        read_length);
 
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  memset(buff+read_length, 0,
 
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         MI_BLOCK_INFO_HEADER_LENGTH - in_buff_length - read_length);
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  return(0);
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} /* _mi_read_cache */