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Merge InnoDB 5.7 from mysql-5.7.9.
Contains also MDEV-10547: Test multi_update_innodb fails with InnoDB 5.7 The failure happened because 5.7 has changed the signature of the bool handler::primary_key_is_clustered() const virtual function ("const" was added). InnoDB was using the old signature which caused the function not to be used. MDEV-10550: Parallel replication lock waits/deadlock handling does not work with InnoDB 5.7 Fixed mutexing problem on lock_trx_handle_wait. Note that rpl_parallel and rpl_optimistic_parallel tests still fail. MDEV-10156 : Group commit tests fail on 10.2 InnoDB (branch bb-10.2-jan) Reason: incorrect merge MDEV-10550: Parallel replication can't sync with master in InnoDB 5.7 (branch bb-10.2-jan) Reason: incorrect merge
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@ -40,11 +40,11 @@ pk1 count(*)
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# The following should use range(ux_pk1_fd5), two key parts (key_len=5+8=13)
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EXPLAIN SELECT * FROM t2 USE INDEX(ux_pk1_fd5) WHERE pk1=9 AND fd5 < 500 ORDER BY fd5 DESC LIMIT 10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 range ux_pk1_fd5 ux_pk1_fd5 13 NULL 137 Using where
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1 SIMPLE t2 range ux_pk1_fd5 ux_pk1_fd5 13 NULL 138 Using where
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# This also must use range, not ref. key_len must be 13
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EXPLAIN SELECT * FROM t2 WHERE pk1=9 AND fd5 < 500 ORDER BY fd5 DESC LIMIT 10;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 range PRIMARY,ux_pk1_fd5 ux_pk1_fd5 13 NULL 137 Using where
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1 SIMPLE t2 range PRIMARY,ux_pk1_fd5 ux_pk1_fd5 13 NULL 138 Using where
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drop table t0,t1, t2;
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#
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# MDEV-6814: Server crashes in calculate_key_len on query with ORDER BY
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