225 lines
5.8 KiB
SQL
225 lines
5.8 KiB
SQL
# name: test/sql/aggregate/grouping_sets/grouping.test
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# description: Test GROUPING statement
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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);
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statement ok
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insert into students
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(course, type)
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values
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('CS', 'Bachelor'),
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('CS', 'Bachelor'),
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('CS', 'PhD'),
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('Math', 'Masters'),
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('CS', NULL),
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('CS', NULL),
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('Math', NULL);
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query III
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SELECT GROUPING(course), course, COUNT(*) FROM students GROUP BY course ORDER BY 1, 2, 3;
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----
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0 CS 5
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0 Math 2
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query III
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SELECT GROUPING_ID(course), course, COUNT(*) FROM students GROUP BY course ORDER BY 1, 2, 3;
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----
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0 CS 5
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0 Math 2
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query IIIII
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SELECT GROUPING(course), GROUPING(type), course, type, COUNT(*) FROM students GROUP BY course, type ORDER BY 1, 2, 3, 4, 5;
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----
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0 0 CS NULL 2
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0 0 CS Bachelor 2
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0 0 CS PhD 1
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0 0 Math NULL 1
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0 0 Math Masters 1
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query IIIII
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SELECT GROUPING(course), GROUPING(type), course, type, COUNT(*) FROM students GROUP BY CUBE(course, type) ORDER BY 1, 2, 3, 4, 5;
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----
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0 0 CS NULL 2
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0 0 CS Bachelor 2
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0 0 CS PhD 1
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0 0 Math NULL 1
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0 0 Math Masters 1
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0 1 CS NULL 5
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0 1 Math NULL 2
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1 0 NULL NULL 3
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1 0 NULL Bachelor 2
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1 0 NULL Masters 1
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1 0 NULL PhD 1
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1 1 NULL NULL 7
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query IIII
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SELECT GROUPING(course, type), course, type, COUNT(*) FROM students GROUP BY CUBE(course, type) ORDER BY 1, 2, 3, 4;
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----
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0 CS NULL 2
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0 CS Bachelor 2
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0 CS PhD 1
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0 Math NULL 1
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0 Math Masters 1
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1 CS NULL 5
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1 Math NULL 2
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2 NULL NULL 3
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2 NULL Bachelor 2
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2 NULL Masters 1
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2 NULL PhD 1
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3 NULL NULL 7
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query IIIIII
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SELECT GROUPING(course), GROUPING(type), GROUPING(course)+GROUPING(type), course, type, COUNT(*) FROM students GROUP BY CUBE(course, type) ORDER BY 1, 2, 3, 4, 5;
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----
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0 0 0 CS NULL 2
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0 0 0 CS Bachelor 2
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0 0 0 CS PhD 1
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0 0 0 Math NULL 1
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0 0 0 Math Masters 1
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0 1 1 CS NULL 5
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0 1 1 Math NULL 2
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1 0 1 NULL NULL 3
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1 0 1 NULL Bachelor 2
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1 0 1 NULL Masters 1
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1 0 1 NULL PhD 1
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1 1 2 NULL NULL 7
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# many repeated groupings
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query IIII
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SELECT GROUPING(course, type, course, course, type, type, course), course, type, COUNT(*) FROM students GROUP BY CUBE(course, type) ORDER BY 1, 2, 3, 4;
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----
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0 CS NULL 2
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0 CS Bachelor 2
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0 CS PhD 1
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0 Math NULL 1
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0 Math Masters 1
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38 CS NULL 5
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38 Math NULL 2
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89 NULL NULL 3
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89 NULL Bachelor 2
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89 NULL Masters 1
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89 NULL PhD 1
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127 NULL NULL 7
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# GROUPING with different table qualifications
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query IIIIII
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SELECT GROUPING(students.course), GROUPING(students.type), GROUPING(course)+GROUPING(type), course, type, COUNT(*) FROM students GROUP BY CUBE(course, type) ORDER BY 1, 2, 3, 4, 5;
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----
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0 0 0 CS NULL 2
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0 0 0 CS Bachelor 2
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0 0 0 CS PhD 1
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0 0 0 Math NULL 1
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0 0 0 Math Masters 1
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0 1 1 CS NULL 5
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0 1 1 Math NULL 2
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1 0 1 NULL NULL 3
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1 0 1 NULL Bachelor 2
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1 0 1 NULL Masters 1
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1 0 1 NULL PhD 1
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1 1 2 NULL NULL 7
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query IIIIII
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SELECT GROUPING(course), GROUPING(type), GROUPING(course)+GROUPING(type), course, type, COUNT(*) FROM students GROUP BY CUBE(students.course, students.type) ORDER BY 1, 2, 3, 4, 5;
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----
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0 0 0 CS NULL 2
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0 0 0 CS Bachelor 2
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0 0 0 CS PhD 1
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0 0 0 Math NULL 1
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0 0 0 Math Masters 1
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0 1 1 CS NULL 5
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0 1 1 Math NULL 2
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1 0 1 NULL NULL 3
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1 0 1 NULL Bachelor 2
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1 0 1 NULL Masters 1
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1 0 1 NULL PhD 1
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1 1 2 NULL NULL 7
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# GROUPING in HAVING clause
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query IIIII
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SELECT GROUPING(course), GROUPING(type), course, type, COUNT(*) FROM students GROUP BY CUBE(course, type) HAVING GROUPING(course)=0 ORDER BY 1, 2, 3, 4, 5;
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----
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0 0 CS NULL 2
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0 0 CS Bachelor 2
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0 0 CS PhD 1
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0 0 Math NULL 1
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0 0 Math Masters 1
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0 1 CS NULL 5
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0 1 Math NULL 2
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query IIIII
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SELECT GROUPING(course), GROUPING(type), course, type, COUNT(*) FROM students GROUP BY CUBE(course, type) HAVING GROUPING(students.course)=0 ORDER BY 1, 2, 3, 4, 5;
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----
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0 0 CS NULL 2
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0 0 CS Bachelor 2
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0 0 CS PhD 1
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0 0 Math NULL 1
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0 0 Math Masters 1
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0 1 CS NULL 5
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0 1 Math NULL 2
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# GROUPING in ORDER BY clause
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query III
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SELECT course, type, COUNT(*) FROM students GROUP BY CUBE(course, type) ORDER BY GROUPING(course), GROUPING(type), 1, 2, 3;
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----
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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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CS NULL 5
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Math NULL 2
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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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NULL NULL 7
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# test incorrect grouping usage
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statement error
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SELECT GROUPING();
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----
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Parser Error: syntax error at or near ")"
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statement error
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SELECT GROUPING() FROM students;
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----
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Parser Error: syntax error at or near ")"
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statement error
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SELECT GROUPING(NULL) FROM students;
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----
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<REGEX>:.*Binder Error.*statement cannot be used.*
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statement error
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SELECT GROUPING(course) FROM students;
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----
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<REGEX>:.*Binder Error.*statement cannot be used.*
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statement error
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SELECT GROUPING(course) FROM students GROUP BY ();
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----
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<REGEX>:.*Binder Error.*statement cannot be used.*
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statement error
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SELECT GROUPING(type) FROM students GROUP BY course;
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----
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<REGEX>:.*Binder Error.*must be a grouping column.*
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statement error
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SELECT GROUPING(course) FROM students WHERE GROUPING(course)=0 GROUP BY course;
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----
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<REGEX>:.*Binder Error.*not supported.*
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# we have a limit on how many children the grouping clause can contain
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statement error
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SELECT GROUPING(course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course, course), course, type, COUNT(*) FROM students GROUP BY CUBE(course, type) ORDER BY 1, 2, 3, 4;
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----
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<REGEX>:.*Binder Error.*statement cannot have more.* |