ClickHouse/tests/queries/0_stateless/03215_multilinestring_geometry.sql

-- { echoOn }
SELECT readWKTMultiLineString('MULTILINESTRING ((1 1, 2 2, 3 3, 1 1))');
SELECT toTypeName(readWKTMultiLineString('MULTILINESTRING ((1 1, 2 2, 3 3, 1 1))'));
SELECT wkt(readWKTMultiLineString('MULTILINESTRING ((1 1, 2 2, 3 3, 1 1))'));

SELECT readWKTMultiLineString('MULTILINESTRING ((1 1, 2 2, 3 3, 1 1), (1 0, 2 0, 3 0))');
SELECT toTypeName(readWKTMultiLineString('MULTILINESTRING ((1 1, 2 2, 3 3, 1 1), (1 0, 2 0, 3 0))'));
SELECT wkt(readWKTMultiLineString('MULTILINESTRING ((1 1, 2 2, 3 3, 1 1), (1 0, 2 0, 3 0))'));

-- Native Array(Array(Tuple(Float64, Float64))) is treated as Polygon, not as MultiLineString.
WITH wkt(CAST([[(1, 1), (2, 2), (3, 3), (1, 1)]], 'Array(Array(Tuple(Float64, Float64)))')) as x
SELECT x, toTypeName(x), readWKTPolygon(x) as y, toTypeName(y);

-- Non constant tests

DROP TABLE IF EXISTS t;
CREATE TABLE IF NOT EXISTS t (shape Array(Array(Tuple(Float64, Float64))), wkt_string String, ord Float64) Engine = Memory;
INSERT INTO t (ord, shape, wkt_string) VALUES (1, [[(1, 1), (2, 2), (3, 3), (1, 1)]], 'MULTILINESTRING ((1 1, 2 2, 3 3, 1 1))');
INSERT INTO t (ord, shape, wkt_string) VALUES (2, [[(1, 1), (2, 2), (3, 3), (1, 1)], [(1, 0), (2, 0), (3, 0)]], 'MULTILINESTRING ((1 1, 2 2, 3 3, 1 1), (1 0, 2 0, 3 0))');
INSERT INTO t (ord, shape, wkt_string) VALUES (3, [[(1, 0), (2, 1), (3, 0), (4, 1), (5, 0), (6, 1), (7, 0), (8, 1), (9, 0), (10, 1)]], 'MULTILINESTRING ((1 0, 2 1, 3 0, 4 1, 5 0, 6 1, 7 0, 8 1, 9 0, 10 1))');

-- Native Array(Array(Tuple(Float64, Float64))) is treated as Polygon, not as MultiLineString.
-- but reading MultiLineString should still return an Array(Array(Tuple(Float64, Float64)))
select wkt(shape), readWKTMultiLineString(wkt_string), readWKTMultiLineString(wkt_string) = shape from t order by ord;