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40 lines
1.5 KiB
C++
40 lines
1.5 KiB
C++
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/****************************************************************************
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* MRR implementation: use DS-MRR, essentially copied from MyISAM
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***************************************************************************/
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int ha_tokudb::multi_range_read_init(RANGE_SEQ_IF *seq, void *seq_init_param,
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uint n_ranges, uint mode,
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HANDLER_BUFFER *buf)
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{
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return ds_mrr.dsmrr_init(this, seq, seq_init_param, n_ranges, mode, buf);
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}
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int ha_tokudb::multi_range_read_next(char **range_info)
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{
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return ds_mrr.dsmrr_next(range_info);
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}
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ha_rows ha_tokudb::multi_range_read_info_const(uint keyno, RANGE_SEQ_IF *seq,
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void *seq_init_param,
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uint n_ranges, uint *bufsz,
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uint *flags, Cost_estimate *cost)
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{
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/*
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This call is here because there is no location where this->table would
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already be known.
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TODO: consider moving it into some per-query initialization call.
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*/
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ds_mrr.init(this, table);
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return ds_mrr.dsmrr_info_const(keyno, seq, seq_init_param, n_ranges, bufsz,
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flags, cost);
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}
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ha_rows ha_tokudb::multi_range_read_info(uint keyno, uint n_ranges, uint keys,
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uint *bufsz, uint *flags,
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Cost_estimate *cost)
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{
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ds_mrr.init(this, table);
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return ds_mrr.dsmrr_info(keyno, n_ranges, keys, bufsz, flags, cost);
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}
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