ClickHouse/dbms/tests/queries/0_stateless/00800_low_cardinality_join.sql

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MySQL
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2018-12-10 11:21:29 +00:00
select * from (select dummy as val from system.one) any left join (select dummy as val from system.one) using val;
select * from (select toLowCardinality(dummy) as val from system.one) any left join (select dummy as val from system.one) using val;
select * from (select dummy as val from system.one) any left join (select toLowCardinality(dummy) as val from system.one) using val;
select * from (select toLowCardinality(dummy) as val from system.one) any left join (select toLowCardinality(dummy) as val from system.one) using val;
select * from (select toLowCardinality(toNullable(dummy)) as val from system.one) any left join (select dummy as val from system.one) using val;
select * from (select dummy as val from system.one) any left join (select toLowCardinality(toNullable(dummy)) as val from system.one) using val;
select * from (select toLowCardinality(toNullable(dummy)) as val from system.one) any left join (select toLowCardinality(dummy) as val from system.one) using val;
select * from (select toLowCardinality(dummy) as val from system.one) any left join (select toLowCardinality(toNullable(dummy)) as val from system.one) using val;
select * from (select toLowCardinality(toNullable(dummy)) as val from system.one) any left join (select toLowCardinality(toNullable(dummy)) as val from system.one) using val;
select '-';
select * from (select dummy as val from system.one) any left join (select dummy as val from system.one) on val + 0 = val * 1;
select * from (select toLowCardinality(dummy) as val from system.one) any left join (select dummy as val from system.one) on val + 0 = val * 1;
select * from (select dummy as val from system.one) any left join (select toLowCardinality(dummy) as val from system.one) on val + 0 = val * 1;
select * from (select toLowCardinality(dummy) as val from system.one) any left join (select toLowCardinality(dummy) as val from system.one) on val + 0 = val * 1;
select * from (select toLowCardinality(toNullable(dummy)) as val from system.one) any left join (select dummy as val from system.one) on val + 0 = val * 1;
select * from (select dummy as val from system.one) any left join (select toLowCardinality(toNullable(dummy)) as val from system.one) on val + 0 = val * 1;
select * from (select toLowCardinality(toNullable(dummy)) as val from system.one) any left join (select toLowCardinality(dummy) as val from system.one) on val + 0 = val * 1;
select * from (select toLowCardinality(dummy) as val from system.one) any left join (select toLowCardinality(toNullable(dummy)) as val from system.one) on val + 0 = val * 1;
select * from (select toLowCardinality(toNullable(dummy)) as val from system.one) any left join (select toLowCardinality(toNullable(dummy)) as val from system.one) on val + 0 = val * 1;
select '-';
select * from (select number as l from system.numbers limit 3) any left join (select number as r from system.numbers limit 3) on l + 1 = r * 1;
select * from (select toLowCardinality(number) as l from system.numbers limit 3) any left join (select number as r from system.numbers limit 3) on l + 1 = r * 1;
select * from (select number as l from system.numbers limit 3) any left join (select toLowCardinality(number) as r from system.numbers limit 3) on l + 1 = r * 1;
select * from (select toLowCardinality(number) as l from system.numbers limit 3) any left join (select toLowCardinality(number) as r from system.numbers limit 3) on l + 1 = r * 1;
select * from (select toLowCardinality(toNullable(number)) as l from system.numbers limit 3) any left join (select toLowCardinality(number) as r from system.numbers limit 3) on l + 1 = r * 1;
select * from (select toLowCardinality(number) as l from system.numbers limit 3) any left join (select toLowCardinality(toNullable(number)) as r from system.numbers limit 3) on l + 1 = r * 1;
select * from (select toLowCardinality(toNullable(number)) as l from system.numbers limit 3) any left join (select toLowCardinality(toNullable(number)) as r from system.numbers limit 3) on l + 1 = r * 1;