Edit File: partition_year.inc
eval create table t1 (a year not null, primary key(a)) engine=$engine partition by key (a) ( partition pa1 max_rows=20 min_rows=2, partition pa2 max_rows=30 min_rows=3, partition pa3 max_rows=30 min_rows=4, partition pa4 max_rows=40 min_rows=2); show create table t1; insert into t1 values ('1975'), (2020), ('1980'), ('2000'); select * from t1; select * from t1 where a=1980; delete from t1 where a=1980; select * from t1; drop table t1; eval create table t2 (a year not null, primary key(a)) engine=$engine partition by key (a) partitions 12; show create table t2; insert into t2 values ('1975'), ('2020'), ('1980'), ('2000'); select * from t2; select * from t2 where a='1980'; delete from t2 where a='1980'; select * from t2; delete from t2; let $count=255; --echo $count inserts; --disable_query_log while ($count) { eval insert into t2 values (1901+$count); dec $count; } --enable_query_log select count(*) from t2; select * from t2; drop table t2;
Back to File Manager