d0ad381833
* test: add spark query unit test and check grammar * test: add select explain、lateralSubQuery、transform unit test * chore: fileName exchange --------- Co-authored-by: dilu <dilu@dtstack.com>
23 lines
822 B
SQL
23 lines
822 B
SQL
-- WHERE boolean_expression
|
|
|
|
-- Comparison operator in `WHERE` clause.
|
|
SELECT * FROM person WHERE id > 200 ORDER BY id;
|
|
|
|
-- Comparison and logical operators in `WHERE` clause.
|
|
SELECT * FROM person WHERE id = 200 OR id = 300 ORDER BY id;
|
|
|
|
-- IS NULL expression in `WHERE` clause.
|
|
SELECT * FROM person WHERE id > 300 OR age IS NULL ORDER BY id;
|
|
|
|
-- Function expression in `WHERE` clause.
|
|
SELECT * FROM person WHERE length(name) > 3 ORDER BY id;
|
|
|
|
-- `BETWEEN` expression in `WHERE` clause.
|
|
SELECT * FROM person WHERE id BETWEEN 200 AND 300 ORDER BY id;
|
|
|
|
-- Scalar Subquery in `WHERE` clause.
|
|
SELECT * FROM person WHERE age > (SELECT avg(age) FROM person);
|
|
|
|
-- Correlated Subquery in `WHERE` clause.
|
|
SELECT * FROM person AS parent WHERE EXISTS (SELECT 1 FROM person AS child WHERE parent.id = child.id AND child.age IS NULL);
|