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82 lines
3.6 KiB
Plaintext
82 lines
3.6 KiB
Plaintext
DROP DATABASE IF EXISTS json_value_db;
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CREATE DATABASE json_value_db;
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USE json_value_db;
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# ----------------------------------------------------------------------
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# Test of JSON_VALUE function.
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# ----------------------------------------------------------------------
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CREATE TABLE t1(s TEXT, p TEXT) ENGINE = columnstore;
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INSERT INTO t1 VALUES('{"key1":123}', '$.key2'),
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('{"key1":123}', '$.key1'),
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('{"key1":[1,2,3]}', '$.key1'),
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('{"key1": [1,2,3], "key1":123}', '$.key1'),
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('{ "x": [0,1], "y": "[0,1]", "z": "Mon\\\"t\\\"y" }','$.z'),
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('{"\\"key1":123}', '$."\\"key1"'),
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('{"\\"key1\\"":123}', '$."\\"key1\\""'),
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('{"key 1":123}', '$."key 1"');
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SELECT s as json_text, p as path, JSON_VALUE(s, p) as json_value, JSON_QUERY(s, p) as json_query
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FROM t1;
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json_text path json_value json_query
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{"key1":123} $.key2 NULL NULL
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{"key1":123} $.key1 123 NULL
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{"key1":[1,2,3]} $.key1 NULL [1,2,3]
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{"key1": [1,2,3], "key1":123} $.key1 123 [1,2,3]
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{ "x": [0,1], "y": "[0,1]", "z": "Mon\"t\"y" } $.z Mon"t"y NULL
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{"\"key1":123} $."\"key1" 123 NULL
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{"\"key1\"":123} $."\"key1\"" 123 NULL
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{"key 1":123} $."key 1" 123 NULL
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CREATE TABLE t2(s TEXT) ENGINE = columnstore;
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INSERT INTO t2 VALUES('{"key1":123, "key2":{"key3":"value3"}}'),
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('{"key1":123, "key3":[1,2,3]}'),
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('{"key1":123, "key2":"[1]"}');
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SELECT s as json_text, '$.key1' , JSON_VALUE(s, '$.key1') as json_value, JSON_QUERY(s, '$.key1') as json_query
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FROM t2;
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json_text $.key1 json_value json_query
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{"key1":123, "key2":{"key3":"value3"}} $.key1 123 NULL
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{"key1":123, "key3":[1,2,3]} $.key1 123 NULL
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{"key1":123, "key2":"[1]"} $.key1 123 NULL
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SELECT s as json_text, '$.key2' , JSON_VALUE(s, '$.key2') as json_value, JSON_QUERY(s, '$.key2') as json_query
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FROM t2;
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json_text $.key2 json_value json_query
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{"key1":123, "key2":{"key3":"value3"}} $.key2 NULL {"key3":"value3"}
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{"key1":123, "key3":[1,2,3]} $.key2 NULL NULL
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{"key1":123, "key2":"[1]"} $.key2 [1] NULL
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SELECT s as json_text, '$.key3' , JSON_VALUE(s, '$.key3') as json_value, JSON_QUERY(s, '$.key3') as json_query
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FROM t2;
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json_text $.key3 json_value json_query
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{"key1":123, "key2":{"key3":"value3"}} $.key3 NULL NULL
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{"key1":123, "key3":[1,2,3]} $.key3 NULL [1,2,3]
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{"key1":123, "key2":"[1]"} $.key3 NULL NULL
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DROP TABLE t2;
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DROP TABLE t1;
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CREATE TABLE zu (hu TEXT) ENGINE = COLUMNSTORE;
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INSERT INTO zu(hu) VALUES ('{}'), (NULL), ('{ "": "huh", "10001" : "10001", "10002" : "10001", "10003" : "10001", "10004" : "10001", "10005" : "10001", "10006" : "10001", "10007" : "10001", "10008" : "10001", "10009" : "10001", "10010" : "10001", "10011" : "10001", "10012" : "10001", "10013" : "10001", "10014" : "10001", "10015" : "10001", "10016" : "10001", "10017" : "10001", "10018" : "10001", "10019" : "10001", "10020" : "10001", "buga" : ""}');
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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INSERT INTO zu(hu) SELECT hu FROM zu;
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SELECT COUNT(*) FROM zu;
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COUNT(*)
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3145728
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SELECT COUNT(*) FROM zu wHERE
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JSON_QUERY(hu, '$.buga') IS NOT NULL
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AND JSON_QUERY(hu, '$.zhuga') IS NULL;
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COUNT(*)
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0
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DROP DATABASE json_value_db;
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