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https://github.com/ClickHouse/ClickHouse.git
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53 lines
2.7 KiB
SQL
53 lines
2.7 KiB
SQL
-- Tags: no-fasttest
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SELECT '--JSON_VALUE--';
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SELECT JSON_VALUE('$', '{"hello":1}'); -- root is a complex object => default value (empty string)
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SELECT JSON_VALUE('$.hello', '{"hello":1}');
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SELECT JSON_VALUE('$.hello', '{"hello":1.2}');
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SELECT JSON_VALUE('$.hello', '{"hello":true}');
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SELECT JSON_VALUE('$.hello', '{"hello":"world"}');
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SELECT JSON_VALUE('$.hello', '{"hello":null}');
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SELECT JSON_VALUE('$.hello', '{"hello":["world","world2"]}');
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SELECT JSON_VALUE('$.hello', '{"hello":{"world":"!"}}');
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SELECT JSON_VALUE('$.hello', '{hello:world}'); -- invalid json => default value (empty string)
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SELECT JSON_VALUE('$.hello', '');
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SELECT '--JSON_QUERY--';
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SELECT JSON_QUERY('$', '{"hello":1}');
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SELECT JSON_QUERY('$.hello', '{"hello":1}');
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SELECT JSON_QUERY('$.hello', '{"hello":1.2}');
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SELECT JSON_QUERY('$.hello', '{"hello":true}');
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SELECT JSON_QUERY('$.hello', '{"hello":"world"}');
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SELECT JSON_QUERY('$.hello', '{"hello":null}');
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SELECT JSON_QUERY('$.hello', '{"hello":["world","world2"]}');
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SELECT JSON_QUERY('$.hello', '{"hello":{"world":"!"}}');
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SELECT JSON_QUERY('$.hello', '{hello:{"world":"!"}}}'); -- invalid json => default value (empty string)
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SELECT JSON_QUERY('$.hello', '');
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SELECT JSON_QUERY('$.array[*][0 to 2, 4]', '{"array":[[0, 1, 2, 3, 4, 5], [0, -1, -2, -3, -4, -5]]}');
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SELECT '--JSON_EXISTS--';
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SELECT JSON_EXISTS('$', '{"hello":1}');
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SELECT JSON_EXISTS('$', '');
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SELECT JSON_EXISTS('$', '{}');
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SELECT JSON_EXISTS('$.hello', '{"hello":1}');
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SELECT JSON_EXISTS('$.world', '{"hello":1,"world":2}');
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SELECT JSON_EXISTS('$.world', '{"hello":{"world":1}}');
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SELECT JSON_EXISTS('$.hello.world', '{"hello":{"world":1}}');
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SELECT JSON_EXISTS('$.hello', '{hello:world}'); -- invalid json => default value (zero integer)
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SELECT JSON_EXISTS('$.hello', '');
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SELECT JSON_EXISTS('$.hello[*]', '{"hello":["world"]}');
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SELECT JSON_EXISTS('$.hello[0]', '{"hello":["world"]}');
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SELECT JSON_EXISTS('$.hello[1]', '{"hello":["world"]}');
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SELECT JSON_EXISTS('$.a[*].b', '{"a":[{"b":1},{"c":2}]}');
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SELECT JSON_EXISTS('$.a[*].f', '{"a":[{"b":1},{"c":2}]}');
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SELECT JSON_EXISTS('$.a[*][0].h', '{"a":[[{"b":1}, {"g":1}],[{"h":1},{"y":1}]]}');
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SELECT '--MANY ROWS--';
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DROP TABLE IF EXISTS 01889_sql_json;
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CREATE TABLE 01889_sql_json (id UInt8, json String) ENGINE = MergeTree ORDER BY id;
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INSERT INTO 01889_sql_json(id, json) VALUES(0, '{"name":"Ivan","surname":"Ivanov","friends":["Vasily","Kostya","Artyom"]}');
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INSERT INTO 01889_sql_json(id, json) VALUES(1, '{"name":"Katya","surname":"Baltica","friends":["Tihon","Ernest","Innokentiy"]}');
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INSERT INTO 01889_sql_json(id, json) VALUES(2, '{"name":"Vitali","surname":"Brown","friends":["Katya","Anatoliy","Ivan","Oleg"]}');
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SELECT id, JSON_QUERY('$.friends[0 to 2]', json) FROM 01889_sql_json ORDER BY id;
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DROP TABLE 01889_sql_json;
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