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MDEV-9860: TokuDB ORDER BY DESC query is slower in 10.1 with ICP ON

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Implement ha_tokudb::cancel_pushed_idx_cond().

This is a conservative fix which follows the approach from the previous
patch for:
BUG#1000051: Query with simple join and ORDER BY takes thousands times...
This commit is contained in:
Sergei Petrunia 2016-04-03 20:19:59 +03:00
parent c395aad668
commit 04737330be
1 changed files with 6 additions and 0 deletions
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6
storage/tokudb/ha_tokudb.h
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@ -602,6 +602,12 @@ public:
// ICP introduced in MariaDB 5.5
Item* idx_cond_push(uint keyno, class Item* idx_cond);
#ifdef MARIADB_BASE_VERSION
void cancel_pushed_idx_cond()
{
invalidate_icp();
}
#endif
#if TOKU_INCLUDE_ALTER_56
public: