MySQL-分区表-2
2015-06-15 23:43
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alter table scales add partition (partition p2 values less than (2015));
alter table log drop partition p0;
show variables like '%partition%';
alter table user reorganize partition p0,p1,p2 into (partition p3 values less than (2011));
alter table log partition by hash(YEAR(time)) partitions 6;
alter table x partition by range(salary)(partition values less than 100);
alter table x rebuild partition p0,p1;
alter table x optimize partition p1,p2;
alter table x analyze partition p1,p2;
alter table x repair partition p1,p2;
explain partitions select * from log where YEAR(time)>2016-06-01 and YEAR(time)<2016-06-30;
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