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Viewing changes to plugin/memory/hp_create.cc

  • Committer: Stewart Smith
  • Date: 2011-01-14 05:11:45 UTC
  • mto: (2086.1.3 build)
  • mto: This revision was merged to the branch mainline in revision 2087.
  • Revision ID: stewart@flamingspork.com-20110114051145-xiputq4lvmtct377
storage engine docs. add bit about some temp table only engines.

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plugin/memory/hp_create.cc
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static void init_block(HP_BLOCK *block,uint32_t chunk_length, uint32_t min_records,
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                        uint32_t max_records);
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static const int FIXED_REC_OVERHEAD = (sizeof(unsigned char));
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static const int VARIABLE_REC_OVERHEAD = (sizeof(unsigned char**) + ALIGN_SIZE(sizeof(unsigned char)));
 
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#define FIXED_REC_OVERHEAD (sizeof(unsigned char))
 
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#define VARIABLE_REC_OVERHEAD (sizeof(unsigned char**) + ALIGN_SIZE(sizeof(unsigned char)))
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/* Minimum size that a chunk can take, 12 bytes on 32bit, 24 bytes on 64bit */
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static const int VARIABLE_MIN_CHUNK_SIZE =
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        ((sizeof(unsigned char**) + VARIABLE_REC_OVERHEAD + sizeof(unsigned char**) - 1) & ~(sizeof(unsigned char**) - 1));
 
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#define VARIABLE_MIN_CHUNK_SIZE \
 
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        ((sizeof(unsigned char**) + VARIABLE_REC_OVERHEAD + sizeof(unsigned char**) - 1) & ~(sizeof(unsigned char**) - 1))
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/* Create a heap table */