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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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sql/sql_base.h
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@ -315,6 +315,7 @@ int open_and_lock_tables_derived(THD *thd, TABLE_LIST *tables, bool derived);
int read_statistics_for_table(THD *thd, TABLE *table);
int collect_statistics_for_table(THD *thd, TABLE *table);
int update_statistics_for_table(THD *thd, TABLE *table);
void set_statistics_for_table(THD *thd, TABLE *table);
extern "C" int simple_raw_key_cmp(void* arg, const void* key1,
const void* key2);