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/* The next method will never be called */
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virtual bool fast_key_read() { return 1;}
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(e.g. save number of records seen on full table scan and/or use file size
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drizzled::ha_rows estimate_rows_upper_bound() { return HA_POS_ERROR; }
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int doInsertRecord(unsigned char * buf);
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int doUpdateRecord(const unsigned char * old_data, unsigned char * new_data);