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Improve test.
This commit is contained in:
Nikolai Kochetov
parent
9043df56a8
commit
7ac258c2a7
@ -183,6 +183,49 @@ select * from (explain plan actions = 1 select * from tab order by (a + b) * c d
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select * from (explain plan actions = 1 select * from tab order by (a + b) * c, intDiv(intDiv(sin(a / b), -2), -3)) where explain like '%sort description%';
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Prefix sort description: multiply(plus(a, b), c) ASC, intDiv(intDiv(sin(divide(a, b)), -2), -3) ASC
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Result sort description: multiply(plus(a, b), c) ASC, intDiv(intDiv(sin(divide(a, b)), -2), -3) ASC
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-- Aliases
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select * from (select *, a + b as x from tab) order by x * c;
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0 0 0 0 0
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0 0 0 0 0
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1 1 1 1 2
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1 1 1 1 2
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2 2 2 2 4
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2 2 2 2 4
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3 3 3 3 6
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3 3 3 3 6
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4 4 4 4 8
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4 4 4 4 8
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select * from (explain plan actions = 1 select * from (select *, a + b as x from tab) order by x * c) where explain like '%sort description%';
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Prefix sort description: multiply(x, c) ASC
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Result sort description: multiply(x, c) ASC
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select * from (select *, a + b as x, a / b as y from tab) order by x * c, sin(y);
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0 0 0 0 0 nan
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0 0 0 0 0 nan
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1 1 1 1 2 1
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1 1 1 1 2 1
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2 2 2 2 4 1
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2 2 2 2 4 1
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3 3 3 3 6 1
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3 3 3 3 6 1
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4 4 4 4 8 1
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4 4 4 4 8 1
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select * from (explain plan actions = 1 select * from (select *, a + b as x, a / b as y from tab) order by x * c, sin(y)) where explain like '%sort description%';
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Prefix sort description: multiply(x, c) ASC, sin(y) ASC
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Result sort description: multiply(x, c) ASC, sin(y) ASC
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select * from (select *, a / b as y from (select *, a + b as x from tab)) order by x * c, sin(y);
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0 0 0 0 0 nan
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0 0 0 0 0 nan
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1 1 1 1 2 1
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1 1 1 1 2 1
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2 2 2 2 4 1
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2 2 2 2 4 1
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3 3 3 3 6 1
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3 3 3 3 6 1
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4 4 4 4 8 1
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4 4 4 4 8 1
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select * from (explain plan actions = 1 select * from (select *, a / b as y from (select *, a + b as x from tab)) order by x * c, sin(y)) where explain like '%sort description%';
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Prefix sort description: multiply(x, c) ASC, sin(y) ASC
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Result sort description: multiply(x, c) ASC, sin(y) ASC
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-- { echoOn }
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select * from tab2 order by toTimeZone(toTimezone(x, 'UTC'), 'CET'), intDiv(intDiv(y, -2), -3);
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@ -213,3 +256,150 @@ select * from (explain plan actions = 1 select * from tab2 order by toStartOfDay
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select * from (explain plan actions = 1 select * from tab2 where toTimezone(x, 'CET') = '2020-02-03 01:00:00' order by intDiv(intDiv(y, -2), -3)) where explain like '%sort description%';
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Prefix sort description: intDiv(intDiv(y, -2), -3) ASC
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Result sort description: intDiv(intDiv(y, -2), -3) ASC
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-- { echoOn }
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-- Union (not fully supported)
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select * from (select * from tab union all select * from tab3) order by (a + b) * c, sin(a / b);
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0 0 0 0
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0 0 0 0
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0 0 0 0
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0 0 0 0
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1 1 1 1
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1 1 1 1
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1 1 1 1
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1 1 1 1
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2 2 2 2
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2 2 2 2
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2 2 2 2
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2 2 2 2
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3 3 3 3
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3 3 3 3
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3 3 3 3
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3 3 3 3
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4 4 4 4
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4 4 4 4
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4 4 4 4
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4 4 4 4
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select * from (explain plan actions = 1 select * from (select * from tab union all select * from tab3) order by (a + b) * c, sin(a / b)) where explain like '%sort description%' or explain like '%ReadType%';
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Prefix sort description: multiply(plus(a, b), c) ASC, sin(divide(a, b)) ASC
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Result sort description: multiply(plus(a, b), c) ASC, sin(divide(a, b)) ASC
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ReadType: InOrder
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ReadType: InOrder
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select * from (select * from tab where (a + b) * c = 8 union all select * from tab3 where (a + b) * c = 18) order by sin(a / b);
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2 2 2 2
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2 2 2 2
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3 3 3 3
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3 3 3 3
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select * from (explain plan actions = 1 select * from (select * from tab where (a + b) * c = 8 union all select * from tab3 where (a + b) * c = 18) order by sin(a / b)) where explain like '%sort description%' or explain like '%ReadType%';
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Prefix sort description: sin(divide(a, b)) ASC
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Result sort description: sin(divide(a, b)) ASC
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ReadType: InOrder
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ReadType: InOrder
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select * from (select * from tab where (a + b) * c = 8 union all select * from tab4) order by sin(a / b);
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2 2 2 2
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2 2 2 2
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1 1 1 1
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2 2 2 2
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3 3 3 3
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4 4 4 4
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1 1 1 1
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2 2 2 2
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3 3 3 3
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4 4 4 4
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0 0 0 0
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0 0 0 0
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select * from (explain plan actions = 1 select * from (select * from tab where (a + b) * c = 8 union all select * from tab4) order by sin(a / b)) where explain like '%sort description%' or explain like '%ReadType%';
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Prefix sort description: sin(divide(a, b)) ASC
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Result sort description: sin(divide(a, b)) ASC
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ReadType: InOrder
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ReadType: InOrder
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select * from (select * from tab union all select * from tab5) order by (a + b) * c;
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0 0 0 0
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0 0 0 0
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0 0 0 0
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0 0 0 0
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1 1 1 1
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1 1 1 1
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1 1 1 1
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1 1 1 1
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2 2 2 2
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2 2 2 2
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2 2 2 2
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2 2 2 2
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3 3 3 3
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3 3 3 3
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3 3 3 3
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3 3 3 3
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4 4 4 4
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4 4 4 4
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4 4 4 4
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4 4 4 4
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select * from (explain plan actions = 1 select * from (select * from tab union all select * from tab5) order by (a + b) * c) where explain like '%sort description%' or explain like '%ReadType%';
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Prefix sort description: multiply(plus(a, b), c) ASC
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Result sort description: multiply(plus(a, b), c) ASC
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ReadType: InOrder
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ReadType: InOrder
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select * from (select * from tab union all select * from tab5) order by (a + b) * c, sin(a / b);
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0 0 0 0
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0 0 0 0
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0 0 0 0
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0 0 0 0
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1 1 1 1
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1 1 1 1
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1 1 1 1
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1 1 1 1
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2 2 2 2
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2 2 2 2
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2 2 2 2
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2 2 2 2
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3 3 3 3
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3 3 3 3
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3 3 3 3
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3 3 3 3
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4 4 4 4
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4 4 4 4
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4 4 4 4
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4 4 4 4
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select * from (explain plan actions = 1 select * from (select * from tab union all select * from tab5) order by (a + b) * c, sin(a / b)) where explain like '%sort description%' or explain like '%ReadType%';
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Prefix sort description: multiply(plus(a, b), c) ASC, sin(divide(a, b)) ASC
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Result sort description: multiply(plus(a, b), c) ASC, sin(divide(a, b)) ASC
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ReadType: InOrder
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Prefix sort description: multiply(plus(a, b), c) ASC
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Result sort description: multiply(plus(a, b), c) ASC, sin(divide(a, b)) ASC
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ReadType: InOrder
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-- Union with limit
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select * from (select * from tab union all select * from tab5) order by (a + b) * c, sin(a / b) limit 3;
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0 0 0 0
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0 0 0 0
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0 0 0 0
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select * from (explain plan actions = 1 select * from (select * from tab union all select * from tab5) order by (a + b) * c, sin(a / b) limit 3) where explain ilike '%sort description%' or explain like '%ReadType%' or explain like '%Limit%';
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Limit (preliminary LIMIT (without OFFSET))
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Limit 3
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Prefix sort description: multiply(plus(a, b), c) ASC, sin(divide(a, b)) ASC
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Result sort description: multiply(plus(a, b), c) ASC, sin(divide(a, b)) ASC
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Limit 3
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ReadType: InOrder
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Prefix sort description: multiply(plus(a, b), c) ASC
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Result sort description: multiply(plus(a, b), c) ASC, sin(divide(a, b)) ASC
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ReadType: InOrder
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-- In this example, we read-in-order from tab up to ((a + b) * c, sin(a / b)) and from tab5 up to ((a + b) * c).
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-- In case of tab5, there would be two finish sorting transforms: ((a + b) * c) -> ((a + b) * c, sin(a / b)) -> ((a + b) * c, sin(a / b), d).
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-- It's important that ((a + b) * c) -> ((a + b) * c does not have LIMIT. We can add LIMIT WITH TIES later, when sorting alog support it.
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-- In case of tab4, we do full sorting by ((a + b) * c, sin(a / b), d) with LIMIT. We can replace it to sorting by ((a + b) * c, sin(a / b)) and LIMIT WITH TIES, when sorting alog support it.
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select * from (select * from tab union all select * from tab5 union all select * from tab4) order by (a + b) * c, sin(a / b), d limit 3;
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0 0 0 0
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0 0 0 0
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0 0 0 0
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select * from (explain plan actions = 1 select * from (select * from tab union all select * from tab5 union all select * from tab4) order by (a + b) * c, sin(a / b), d limit 3) where explain ilike '%sort description%' or explain like '%ReadType%' or explain like '%Limit%';
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Limit (preliminary LIMIT (without OFFSET))
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Limit 3
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Prefix sort description: multiply(plus(a, b), c) ASC, sin(divide(a, b)) ASC
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Result sort description: multiply(plus(a, b), c) ASC, sin(divide(a, b)) ASC, d ASC
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Limit 3
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ReadType: InOrder
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Prefix sort description: multiply(plus(a, b), c) ASC
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Result sort description: multiply(plus(a, b), c) ASC, sin(divide(a, b)) ASC
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ReadType: InOrder
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Sort description: multiply(plus(a, b), c) ASC, sin(divide(a, b)) ASC, d ASC
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Limit 3
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ReadType: Default
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@ -73,6 +73,16 @@ select * from (explain plan actions = 1 select * from tab order by (a + b) * c d
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-- select * from tab order by (a + b) * c, intDiv(intDiv(sin(a / b), -2), -3);
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select * from (explain plan actions = 1 select * from tab order by (a + b) * c, intDiv(intDiv(sin(a / b), -2), -3)) where explain like '%sort description%';
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-- Aliases
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select * from (select *, a + b as x from tab) order by x * c;
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select * from (explain plan actions = 1 select * from (select *, a + b as x from tab) order by x * c) where explain like '%sort description%';
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select * from (select *, a + b as x, a / b as y from tab) order by x * c, sin(y);
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select * from (explain plan actions = 1 select * from (select *, a + b as x, a / b as y from tab) order by x * c, sin(y)) where explain like '%sort description%';
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select * from (select *, a / b as y from (select *, a + b as x from tab)) order by x * c, sin(y);
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select * from (explain plan actions = 1 select * from (select *, a / b as y from (select *, a + b as x from tab)) order by x * c, sin(y)) where explain like '%sort description%';
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-- { echoOff }
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create table tab2 (x DateTime, y UInt32, z UInt32) engine = MergeTree order by (x, y);
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@ -89,3 +99,46 @@ select * from (explain plan actions = 1 select * from tab2 order by toStartOfDay
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-- select * from tab2 where toTimezone(x, 'CET') = '2020-02-03 01:00:00' order by intDiv(intDiv(y, -2), -3);
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select * from (explain plan actions = 1 select * from tab2 where toTimezone(x, 'CET') = '2020-02-03 01:00:00' order by intDiv(intDiv(y, -2), -3)) where explain like '%sort description%';
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-- { echoOff }
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create table tab3 (a UInt32, b UInt32, c UInt32, d UInt32) engine = MergeTree order by ((a + b) * c, sin(a / b));
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insert into tab3 select number, number, number, number from numbers(5);
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insert into tab3 select number, number, number, number from numbers(5);
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create table tab4 (a UInt32, b UInt32, c UInt32, d UInt32) engine = MergeTree order by sin(a / b);
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insert into tab4 select number, number, number, number from numbers(5);
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insert into tab4 select number, number, number, number from numbers(5);
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create table tab5 (a UInt32, b UInt32, c UInt32, d UInt32) engine = MergeTree order by (a + b) * c;
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insert into tab5 select number, number, number, number from numbers(5);
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insert into tab5 select number, number, number, number from numbers(5);
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-- { echoOn }
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-- Union (not fully supported)
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select * from (select * from tab union all select * from tab3) order by (a + b) * c, sin(a / b);
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select * from (explain plan actions = 1 select * from (select * from tab union all select * from tab3) order by (a + b) * c, sin(a / b)) where explain like '%sort description%' or explain like '%ReadType%';
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select * from (select * from tab where (a + b) * c = 8 union all select * from tab3 where (a + b) * c = 18) order by sin(a / b);
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select * from (explain plan actions = 1 select * from (select * from tab where (a + b) * c = 8 union all select * from tab3 where (a + b) * c = 18) order by sin(a / b)) where explain like '%sort description%' or explain like '%ReadType%';
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select * from (select * from tab where (a + b) * c = 8 union all select * from tab4) order by sin(a / b);
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select * from (explain plan actions = 1 select * from (select * from tab where (a + b) * c = 8 union all select * from tab4) order by sin(a / b)) where explain like '%sort description%' or explain like '%ReadType%';
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select * from (select * from tab union all select * from tab5) order by (a + b) * c;
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select * from (explain plan actions = 1 select * from (select * from tab union all select * from tab5) order by (a + b) * c) where explain like '%sort description%' or explain like '%ReadType%';
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select * from (select * from tab union all select * from tab5) order by (a + b) * c, sin(a / b);
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select * from (explain plan actions = 1 select * from (select * from tab union all select * from tab5) order by (a + b) * c, sin(a / b)) where explain like '%sort description%' or explain like '%ReadType%';
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-- Union with limit
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select * from (select * from tab union all select * from tab5) order by (a + b) * c, sin(a / b) limit 3;
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select * from (explain plan actions = 1 select * from (select * from tab union all select * from tab5) order by (a + b) * c, sin(a / b) limit 3) where explain ilike '%sort description%' or explain like '%ReadType%' or explain like '%Limit%';
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-- In this example, we read-in-order from tab up to ((a + b) * c, sin(a / b)) and from tab5 up to ((a + b) * c).
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-- In case of tab5, there would be two finish sorting transforms: ((a + b) * c) -> ((a + b) * c, sin(a / b)) -> ((a + b) * c, sin(a / b), d).
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-- It's important that ((a + b) * c) -> ((a + b) * c does not have LIMIT. We can add LIMIT WITH TIES later, when sorting alog support it.
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-- In case of tab4, we do full sorting by ((a + b) * c, sin(a / b), d) with LIMIT. We can replace it to sorting by ((a + b) * c, sin(a / b)) and LIMIT WITH TIES, when sorting alog support it.
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select * from (select * from tab union all select * from tab5 union all select * from tab4) order by (a + b) * c, sin(a / b), d limit 3;
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select * from (explain plan actions = 1 select * from (select * from tab union all select * from tab5 union all select * from tab4) order by (a + b) * c, sin(a / b), d limit 3) where explain ilike '%sort description%' or explain like '%ReadType%' or explain like '%Limit%';
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