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#define MYF_RW MYF(MY_WME+MY_NABP) /* Vid my_read & my_write */
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#define store_record(A,B) memcpy((A)->B,(A)->record[0],(size_t) (A)->s->reclength)
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#define restore_record(A,B) memcpy((A)->record[0],(A)->B,(size_t) (A)->s->reclength)
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#define cmp_record(A,B) memcmp((A)->record[0],(A)->B,(size_t) (A)->s->reclength)
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/* #define store_record(A,B) memcpy((A)->B,(A)->record[0],(size_t) (A)->s->reclength) */
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/* #define restore_record(A,B) memcpy((A)->record[0],(A)->B,(size_t) (A)->s->reclength) */
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/* #define cmp_record(A,B) memcmp((A)->record[0],(A)->B,(size_t) (A)->s->reclength) */
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restore_record((A),s->default_values); \
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memset((A)->null_flags, 255, (A)->s->null_bytes); \
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This flag is used in function get_all_tables() which fills
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I_S tables with data which are retrieved from frm files and storage engine