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190
external/duckdb/test/sql/aggregate/grouping_sets/cube.test
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190
external/duckdb/test/sql/aggregate/grouping_sets/cube.test
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# name: test/sql/aggregate/grouping_sets/cube.test
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# description: Test CUBE
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# group: [grouping_sets]
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statement ok
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SET default_null_order='nulls_first';
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statement ok
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PRAGMA enable_verification
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statement ok
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create table students (course VARCHAR, type VARCHAR, highest_grade INTEGER);
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statement ok
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insert into students
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(course, type, highest_grade)
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values
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('CS', 'Bachelor', 8),
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('CS', 'Bachelor', 8),
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('CS', 'PhD', 10),
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('Math', 'Masters', NULL),
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('CS', NULL, 7),
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('CS', NULL, 7),
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('Math', NULL, 8);
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query II
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select course, count(*) from students group by cube (course) order by 1, 2;
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----
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NULL 7
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CS 5
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Math 2
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query III
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select course, type, count(*) from students group by cube (course, type) order by 1, 2, 3;
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----
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NULL NULL 3
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NULL NULL 7
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NULL Bachelor 2
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NULL Masters 1
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NULL PhD 1
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CS NULL 2
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CS NULL 5
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CS Bachelor 2
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CS PhD 1
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Math NULL 1
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Math NULL 2
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Math Masters 1
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# if we have brackets in a CUBE group, it counts as one unit within the CUBE statement
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# i.e. in this case (course, type) are not cubed up
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query III
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select course, type, count(*) from students group by cube ((course, type)) order by 1, 2, 3;
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----
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NULL NULL 7
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CS NULL 2
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CS Bachelor 2
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CS PhD 1
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Math NULL 1
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Math Masters 1
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# duplicate group expressions in cube
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query III
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select course, type, count(*) from students group by cube (course, type, course) order by 1, 2, 3;
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----
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NULL NULL 3
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NULL NULL 7
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NULL Bachelor 2
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NULL Masters 1
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NULL PhD 1
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CS NULL 2
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CS NULL 2
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CS NULL 2
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CS NULL 5
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CS NULL 5
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CS NULL 5
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CS Bachelor 2
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CS Bachelor 2
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CS Bachelor 2
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CS PhD 1
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CS PhD 1
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CS PhD 1
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Math NULL 1
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Math NULL 1
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Math NULL 1
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Math NULL 2
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Math NULL 2
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Math NULL 2
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Math Masters 1
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Math Masters 1
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Math Masters 1
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query IIII
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select course, type, highest_grade, count(*) from students group by cube (course, type, highest_grade) order by 1, 2, 3, 4;
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----
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NULL NULL NULL 1
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NULL NULL NULL 3
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NULL NULL NULL 7
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NULL NULL 7 2
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NULL NULL 7 2
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NULL NULL 8 1
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NULL NULL 8 3
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NULL NULL 10 1
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NULL Bachelor NULL 2
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NULL Bachelor 8 2
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NULL Masters NULL 1
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NULL Masters NULL 1
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NULL PhD NULL 1
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NULL PhD 10 1
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CS NULL NULL 2
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CS NULL NULL 5
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CS NULL 7 2
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CS NULL 7 2
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CS NULL 8 2
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CS NULL 10 1
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CS Bachelor NULL 2
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CS Bachelor 8 2
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CS PhD NULL 1
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CS PhD 10 1
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Math NULL NULL 1
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Math NULL NULL 1
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Math NULL NULL 2
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Math NULL 8 1
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Math NULL 8 1
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Math Masters NULL 1
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Math Masters NULL 1
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# multiple cubes ups causes a cross product of them
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query III
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select course, type, count(*) from students group by cube (course), cube (type) order by 1, 2, 3;
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----
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NULL NULL 3
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NULL NULL 7
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NULL Bachelor 2
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NULL Masters 1
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NULL PhD 1
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CS NULL 2
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CS NULL 5
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CS Bachelor 2
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CS PhD 1
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Math NULL 1
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Math NULL 2
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Math Masters 1
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query III
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select course as crs, type, count(*) from students group by cube (crs), (), type order by 1, 2, 3;
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----
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NULL NULL 3
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NULL Bachelor 2
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NULL Masters 1
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NULL PhD 1
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CS NULL 2
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CS Bachelor 2
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CS PhD 1
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Math NULL 1
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Math Masters 1
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# we can also use cube within a grouping set
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query III
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select course as crs, type as tp, count(*) from students group by grouping sets (cube (crs)), (), tp order by 1, 2, 3;
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----
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NULL NULL 3
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NULL Bachelor 2
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NULL Masters 1
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NULL PhD 1
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CS NULL 2
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CS Bachelor 2
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CS PhD 1
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Math NULL 1
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Math Masters 1
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statement error
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select course, count(*) from students group by cube () order by 1, 2;
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----
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statement error
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select course, count(*) from students group by cube (cube (course)) order by 1, 2;
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----
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statement error
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select course, count(*) from students group by cube (grouping_sets (course)) order by 1, 2;
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----
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# cube exceeds maximum grouping set
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statement error
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select course, type, count(*) from students group by cube (course, type, course, type, course, type, course, type, course, type, course, type, (course, type), (course, type), course, type) order by 1, 2, 3;
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----
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statement error
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select course, type, count(*) from students group by cube (course, type, course, type, course), cube(type, course, type, course), cube(type, course, type, (course, type), (course, type), course, type) order by 1, 2, 3;
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----
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