ClickHouse/tests/queries/0_stateless/02116_tuple_element.sql

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DROP TABLE IF EXISTS t_tuple_element;
CREATE TABLE t_tuple_element(t1 Tuple(a UInt32, s String), t2 Tuple(UInt32, String)) ENGINE = Memory;
INSERT INTO t_tuple_element VALUES ((1, 'a'), (2, 'b'));
SET optimize_functions_to_subcolumns = 1;
SELECT t1.1 FROM t_tuple_element;
EXPLAIN SYNTAX SELECT t1.1 FROM t_tuple_element;
SELECT tupleElement(t1, 2) FROM t_tuple_element;
EXPLAIN SYNTAX SELECT tupleElement(t1, 2) FROM t_tuple_element;
SELECT tupleElement(t1, 'a') FROM t_tuple_element;
EXPLAIN SYNTAX SELECT tupleElement(t1, 'a') FROM t_tuple_element;
SELECT tupleElement(number, 1) FROM numbers(1); -- { serverError 43 }
SELECT tupleElement(t1) FROM t_tuple_element; -- { serverError 42 }
SELECT tupleElement(t1, 'b') FROM t_tuple_element; -- { serverError 47 }
SELECT tupleElement(t1, 0) FROM t_tuple_element; -- { serverError 127 }
SELECT tupleElement(t1, 3) FROM t_tuple_element; -- { serverError 127 }
SELECT tupleElement(t1, materialize('a')) FROM t_tuple_element; -- { serverError 43 }
SELECT t2.1 FROM t_tuple_element;
EXPLAIN SYNTAX SELECT t2.1 FROM t_tuple_element;
SELECT tupleElement(t2, 1) FROM t_tuple_element;
EXPLAIN SYNTAX SELECT tupleElement(t2, 1) FROM t_tuple_element;
SELECT tupleElement(t2) FROM t_tuple_element; -- { serverError 42 }
SELECT tupleElement(t2, 'a') FROM t_tuple_element; -- { serverError 47 }
SELECT tupleElement(t2, 0) FROM t_tuple_element; -- { serverError 127 }
SELECT tupleElement(t2, 3) FROM t_tuple_element; -- { serverError 127 }
SELECT tupleElement(t2, materialize(1)) FROM t_tuple_element; -- { serverError 43 }
DROP TABLE t_tuple_element;
WITH (1, 2) AS t SELECT t.1, t.2;
EXPLAIN SYNTAX WITH (1, 2) AS t SELECT t.1, t.2;
WITH (1, 2)::Tuple(a UInt32, b UInt32) AS t SELECT t.1, tupleElement(t, 'b');
EXPLAIN SYNTAX WITH (1, 2)::Tuple(a UInt32, b UInt32) AS t SELECT t.1, tupleElement(t, 'b');