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MDEV-18501 Partition pruning doesn't work for historical queries (fix)

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Pruning fix for SYSTEM_TIME INTERVAL partitioning.

Allocating one more element in range_int_array for CURRENT partition
is required for RANGE pruning to work correctly
(get_partition_id_range_for_endpoint()).
This commit is contained in:
Aleksey Midenkov
2019-08-28 19:51:23 +03:00
parent c3f35ea55a
commit 6a490ca0fb
3 changed files with 12 additions and 7 deletions
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2
mysql-test/suite/versioning/r/partition_rotation.result
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@ -47,7 +47,7 @@ id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 pn_pnsp0,pn_pnsp1 ALL NULL NULL NULL NULL 2 Using where
explain partitions select * from t1 for system_time as of '2001-02-04 10:20:30';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p1_p1sp0,p1_p1sp1,p0_p0sp0,p0_p0sp1,p2_p2sp0,p2_p2sp1,pn_pnsp0,pn_pnsp1 ALL NULL NULL NULL NULL # Using where
1 SIMPLE t1 p0_p0sp0,p0_p0sp1,p2_p2sp0,p2_p2sp1,pn_pnsp0,pn_pnsp1 ALL NULL NULL NULL NULL # Using where
set @ts=(select row_end from t1 for system_time all where i=1);
select * from t1 for system_time all where row_end = @ts;
i