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merge with 5.1

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This commit is contained in:
Sergei Golubchik
2010-10-25 15:21:16 +02:00
parent 37a78d6868 60c15066db
commit 04a4b43346
230 changed files with 4615 additions and 1320 deletions
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11
sql/handler.h
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@ -1443,7 +1443,16 @@ public:
{ return ulonglong2double(stats.data_file_length) / IO_SIZE + 2; }
virtual double read_time(uint index, uint ranges, ha_rows rows)
{ return rows2double(ranges+rows); }
virtual double keyread_read_time(uint index, uint ranges, ha_rows rows);
/**
Calculate cost of 'keyread' scan for given index and number of records.
@param index index to read
@param ranges #of ranges to read
@param rows #of records to read
*/
virtual double keyread_time(uint index, uint ranges, ha_rows rows);
virtual const key_map *keys_to_use_for_scanning() { return &key_map_empty; }
bool has_transactions()
{ return (ha_table_flags() & HA_NO_TRANSACTIONS) == 0; }