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The pilot implementation of mwl#250: Use the statistics from persistent

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statistical tables instead of the statistics provided by engine.
This commit is contained in:
Igor Babaev
2012-04-11 17:14:06 -07:00
parent ff3d16fba8
commit 1c0a89afcc
15 changed files with 706 additions and 52 deletions
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2
sql/multi_range_read.cc
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@ -1201,7 +1201,7 @@ bool DsMrr_impl::setup_buffer_sharing(uint key_size_in_keybuf,
uint parts= my_count_bits(key_tuple_map);
ulong rpc;
ulonglong rowids_size= rowid_buf_elem_size;
if ((rpc= key_info->rec_per_key[parts - 1]))
if ((rpc= key_info->real_rec_per_key(parts - 1)))
rowids_size= rowid_buf_elem_size * rpc;
double fraction_for_rowids=