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1
by brian
clean slate |
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eval create table t1 (a year not null, primary key(a)) engine=$engine |
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partition by key (a) ( |
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partition pa1 max_rows=20 min_rows=2, |
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partition pa2 max_rows=30 min_rows=3, |
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partition pa3 max_rows=30 min_rows=4, |
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partition pa4 max_rows=40 min_rows=2); |
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show create table t1; |
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insert into t1 values ('1975'), (2020), ('1980'), ('2000'); |
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select * from t1; |
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select * from t1 where a=1980; |
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delete from t1 where a=1980; |
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select * from t1; |
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drop table t1; |
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eval create table t2 (a year not null, primary key(a)) engine=$engine |
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partition by key (a) partitions 12; |
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show create table t2; |
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insert into t2 values ('1975'), ('2020'), ('1980'), ('2000'); |
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select * from t2; |
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select * from t2 where a='1980'; |
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delete from t2 where a='1980'; |
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select * from t2; |
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delete from t2; |
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let $count=255; |
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--echo $count inserts; |
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--disable_query_log |
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while ($count) |
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{
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eval insert into t2 values (1901+$count); |
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dec $count; |
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}
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--enable_query_log |
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select count(*) from t2; |
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select * from t2; |
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drop table t2; |
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36 |