mirror of
https://github.com/MariaDB/server.git
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645 lines
22 KiB
Plaintext
645 lines
22 KiB
Plaintext
select json_valid('[1, 2]');
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json_valid('[1, 2]')
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1
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select json_valid('"string"}');
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json_valid('"string"}')
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0
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select json_valid('{"key1":1, "key2":[2,3]}');
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json_valid('{"key1":1, "key2":[2,3]}')
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1
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select json_valid('[false, true, null]');
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json_valid('[false, true, null]')
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1
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select json_valid(repeat('[', 1000));
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json_valid(repeat('[', 1000))
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0
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select json_valid(repeat('{"a":', 1000));
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json_valid(repeat('{"a":', 1000))
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0
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select json_value('{"key1":123}', '$.key2');
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json_value('{"key1":123}', '$.key2')
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NULL
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select json_value('{"key1":123}', '$.key1');
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json_value('{"key1":123}', '$.key1')
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123
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select json_value('{"key1":[1,2,3]}', '$.key1');
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json_value('{"key1":[1,2,3]}', '$.key1')
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NULL
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select json_value('{"key1": [1,2,3], "key1":123}', '$.key1');
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json_value('{"key1": [1,2,3], "key1":123}', '$.key1')
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123
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select json_query('{"key1":{"a":1, "b":[1,2]}}', '$.key2');
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json_query('{"key1":{"a":1, "b":[1,2]}}', '$.key2')
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NULL
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select json_query('{"key1":{"a":1, "b":[1,2]}}', '$.key1');
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json_query('{"key1":{"a":1, "b":[1,2]}}', '$.key1')
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{"a":1, "b":[1,2]}
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select json_query('{"key1": 1}', '$.key1');
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json_query('{"key1": 1}', '$.key1')
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NULL
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select json_query('{"key1":123, "key1": [1,2,3]}', '$.key1');
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json_query('{"key1":123, "key1": [1,2,3]}', '$.key1')
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[1,2,3]
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select json_query('{"key1":123, "key1": [1,2,3]}', concat('$', repeat('.k', 1000)));
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json_query('{"key1":123, "key1": [1,2,3]}', concat('$', repeat('.k', 1000)))
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NULL
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select json_array();
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json_array()
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[]
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select json_array(1);
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json_array(1)
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[1]
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select json_array(1, "text", false, null);
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json_array(1, "text", false, null)
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[1, "text", false, null]
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select json_array_append('["a", "b"]', '$', FALSE);
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json_array_append('["a", "b"]', '$', FALSE)
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["a", "b", false]
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select json_array_append('{"k1":1, "k2":["a", "b"]}', '$.k2', 2);
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json_array_append('{"k1":1, "k2":["a", "b"]}', '$.k2', 2)
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{"k1": 1, "k2": ["a", "b", 2]}
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select json_array_append('["a", ["b", "c"], "d"]', '$[0]', 2);
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json_array_append('["a", ["b", "c"], "d"]', '$[0]', 2)
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[["a", 2], ["b", "c"], "d"]
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select json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[1]', 'x');
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json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[1]', 'x')
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["a", "x", {"b": [1, 2]}, [3, 4]]
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select json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[2]', 'x');
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json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[2]', 'x')
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["a", {"b": [1, 2]}, "x", [3, 4]]
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select json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[3]', 'x');
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json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[3]', 'x')
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["a", {"b": [1, 2]}, [3, 4], "x"]
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select json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[4]', 'x');
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json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[4]', 'x')
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["a", {"b": [1, 2]}, [3, 4], "x"]
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select json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[1].b[0]', 'x');
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json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[1].b[0]', 'x')
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["a", {"b": ["x", 1, 2]}, [3, 4]]
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select json_array_insert('true', '$', 1);
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json_array_insert('true', '$', 1)
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NULL
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select json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[2][1]', 'y');
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json_array_insert('["a", {"b": [1, 2]}, [3, 4]]', '$[2][1]', 'y')
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["a", {"b": [1, 2]}, [3, "y", 4]]
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select json_contains('{"k1":123, "k2":345}', '123', '$.k1');
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json_contains('{"k1":123, "k2":345}', '123', '$.k1')
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1
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select json_contains('"you"', '"you"');
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json_contains('"you"', '"you"')
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1
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select json_contains('"youth"', '"you"');
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json_contains('"youth"', '"you"')
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0
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select json_contains('[1]', '[1]', '$', '$[0]');
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ERROR 42000: Incorrect parameter count in the call to native function 'json_contains'
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select json_contains('', '', '$');
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json_contains('', '', '$')
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NULL
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Warnings:
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Warning 4037 Unexpected end of JSON text in argument 1 to function 'json_contains'
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select json_contains('null', 'null', '$');
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json_contains('null', 'null', '$')
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1
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select json_contains('"10"', '"10"', '$');
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json_contains('"10"', '"10"', '$')
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1
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select json_contains('"10"', '10', '$');
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json_contains('"10"', '10', '$')
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0
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select json_contains('10.1', '10', '$');
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json_contains('10.1', '10', '$')
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0
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select json_contains('10.0', '10', '$');
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json_contains('10.0', '10', '$')
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1
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select json_contains('[1]', '1');
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json_contains('[1]', '1')
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1
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select json_contains('[2, 1]', '1');
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json_contains('[2, 1]', '1')
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1
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select json_contains('[2, [2, 3], 1]', '1');
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json_contains('[2, [2, 3], 1]', '1')
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1
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select json_contains('[4, [2, 3], 1]', '2');
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json_contains('[4, [2, 3], 1]', '2')
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1
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select json_contains('[2, 1]', '[1, 2]');
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json_contains('[2, 1]', '[1, 2]')
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1
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select json_contains('[2, 1]', '[1, 0, 2]');
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json_contains('[2, 1]', '[1, 0, 2]')
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0
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select json_contains('[2, 0, 3, 1]', '[1, 2]');
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json_contains('[2, 0, 3, 1]', '[1, 2]')
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1
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select json_contains('{"b":[1,2], "a":1}', '{"a":1, "b":2}');
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json_contains('{"b":[1,2], "a":1}', '{"a":1, "b":2}')
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1
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select json_contains('{"a":1}', '{}');
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json_contains('{"a":1}', '{}')
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1
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select json_contains('[1, {"a":1}]', '{}');
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json_contains('[1, {"a":1}]', '{}')
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1
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select json_contains('[1, {"a":1}]', '{"a":1}');
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json_contains('[1, {"a":1}]', '{"a":1}')
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1
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select json_contains('[{"abc":"def", "def":"abc"}]', '["foo","bar"]');
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json_contains('[{"abc":"def", "def":"abc"}]', '["foo","bar"]')
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0
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select json_contains('[{"abc":"def", "def":"abc"}, "bar"]', '["bar", {}]');
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json_contains('[{"abc":"def", "def":"abc"}, "bar"]', '["bar", {}]')
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1
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select json_contains_path('{"key1":1, "key2":[2,3]}', "oNE", "$.key2[1]");
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json_contains_path('{"key1":1, "key2":[2,3]}', "oNE", "$.key2[1]")
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1
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select json_contains_path('{"key1":1, "key2":[2,3]}', "oNE", "$.key2[10]");
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json_contains_path('{"key1":1, "key2":[2,3]}', "oNE", "$.key2[10]")
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0
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select json_contains_path('{"key1":1, "key2":[2,3]}', "oNE", "$.ma");
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json_contains_path('{"key1":1, "key2":[2,3]}', "oNE", "$.ma")
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0
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select json_contains_path('{"key1":1, "key2":[2,3]}', "one", "$.key1");
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json_contains_path('{"key1":1, "key2":[2,3]}', "one", "$.key1")
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1
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select json_contains_path('{"key1":1, "key2":[2,3]}', "one", "$.key1", "$.ma");
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json_contains_path('{"key1":1, "key2":[2,3]}', "one", "$.key1", "$.ma")
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1
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select json_contains_path('{"key1":1, "key2":[2,3]}', "aLl", "$.key1", "$.ma");
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json_contains_path('{"key1":1, "key2":[2,3]}', "aLl", "$.key1", "$.ma")
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0
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select json_contains_path('{"key1":1, "key2":[2,3]}', "aLl", "$.key1", "$.key2");
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json_contains_path('{"key1":1, "key2":[2,3]}', "aLl", "$.key1", "$.key2")
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1
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select json_contains_path('{ "a": true }', NULL, '$.a' );
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json_contains_path('{ "a": true }', NULL, '$.a' )
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NULL
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select json_contains_path('{ "a": true }', 'all', NULL );
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json_contains_path('{ "a": true }', 'all', NULL )
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NULL
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select json_contains_path('{"a":{"b":"c"}}', 'one', '$.a.*');
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json_contains_path('{"a":{"b":"c"}}', 'one', '$.a.*')
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1
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select json_extract('{"key1":"asd", "key2":[2,3]}', "$.key1");
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json_extract('{"key1":"asd", "key2":[2,3]}', "$.key1")
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"asd"
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select json_extract('{"key1":"asd", "key2":[2,3]}', "$.keyX", "$.keyY");
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json_extract('{"key1":"asd", "key2":[2,3]}', "$.keyX", "$.keyY")
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NULL
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select json_extract('{"key1":"asd", "key2":[2,3]}', "$.key1", "$.key2");
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json_extract('{"key1":"asd", "key2":[2,3]}', "$.key1", "$.key2")
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["asd", [2, 3]]
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select json_extract('{"key1":5, "key2":[2,3]}', "$.key1", "$.key2");
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json_extract('{"key1":5, "key2":[2,3]}', "$.key1", "$.key2")
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[5, [2, 3]]
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select json_extract('{"key0":true, "key1":"qwe"}', "$.key1");
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json_extract('{"key0":true, "key1":"qwe"}', "$.key1")
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"qwe"
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select json_extract(json_object('foo', 'foobar'),'$');
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json_extract(json_object('foo', 'foobar'),'$')
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{"foo": "foobar"}
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select json_extract('[10, 20, [30, 40]]', '$[2][*]');
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json_extract('[10, 20, [30, 40]]', '$[2][*]')
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[30, 40]
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select json_extract('[10, 20, [{"a":3}, 30, 40]]', '$[2][*]');
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json_extract('[10, 20, [{"a":3}, 30, 40]]', '$[2][*]')
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[{"a": 3}, 30, 40]
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select json_extract('1', '$');
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json_extract('1', '$')
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1
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select json_extract('[10, 20, [30, 40], 1, 10]', '$[1]');
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json_extract('[10, 20, [30, 40], 1, 10]', '$[1]')
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20
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select json_extract('[10, 20, [30, 40], 1, 10]', '$[1]', '$[25]');
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json_extract('[10, 20, [30, 40], 1, 10]', '$[1]', '$[25]')
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[20]
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select json_extract( '[{"a": [3, 4]}, {"b": 2}]', '$[0].a', '$[1].a');
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json_extract( '[{"a": [3, 4]}, {"b": 2}]', '$[0].a', '$[1].a')
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[[3, 4]]
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select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.k1', 'word');
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json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.k1', 'word')
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{"a": 1, "b": {"c": 1, "k1": "word"}, "d": [1, 2]}
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select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.d[3]', 3);
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json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.d[3]', 3)
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{"a": 1, "b": {"c": 1}, "d": [1, 2, 3]}
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select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.a[2]', 2);
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json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.a[2]', 2)
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{"a": [1, 2], "b": {"c": 1}, "d": [1, 2]}
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select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.c', 'word');
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json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.c', 'word')
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{"a": 1, "b": {"c": 1}, "d": [1, 2]}
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select json_set('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]');
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json_set('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]')
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{"a": 10, "b": [2, 3], "c": "[true, false]"}
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select json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]');
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json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]')
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{"a": 10, "b": [2, 3]}
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select json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.b', '[true, false]');
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json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.b', '[true, false]')
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{"a": 10, "b": "[true, false]"}
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set @j = '["a", ["b", "c"], "d"]';
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select json_remove(@j, '$[0]');
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json_remove(@j, '$[0]')
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[["b", "c"], "d"]
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select json_remove(@j, '$[1]');
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json_remove(@j, '$[1]')
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["a", "d"]
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select json_remove(@j, '$[2]');
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json_remove(@j, '$[2]')
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["a", ["b", "c"]]
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set @j = '{"a": 1, "b": [2, 3]}';
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select json_remove(@j, '$.b');
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json_remove(@j, '$.b')
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{"a": 1}
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select json_remove(@j, '$.a');
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json_remove(@j, '$.a')
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{"b": [2, 3]}
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select json_object();
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json_object()
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{}
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select json_object("ki", 1, "mi", "ya");
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json_object("ki", 1, "mi", "ya")
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{"ki": 1, "mi": "ya"}
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create table t1 as select json_object('id', 87, 'name', 'carrot') as f;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`f` varchar(32) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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select * from t1;
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f
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{"id": 87, "name": "carrot"}
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drop table t1;
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select json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2");
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json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2")
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1
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select json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2[1]");
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json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2[1]")
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1
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select json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2[10]");
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json_exists('{"key1":"xxxx", "key2":[1, 2, 3]}', "$.key2[10]")
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0
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select json_quote('"string"');
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json_quote('"string"')
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"\"string\""
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create table t1 as select json_quote('foo');
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select * from t1;
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json_quote('foo')
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"foo"
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`json_quote('foo')` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1;
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select json_merge('string');
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ERROR 42000: Incorrect parameter count in the call to native function 'json_merge'
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select json_merge('string', 123);
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json_merge('string', 123)
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NULL
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Warnings:
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Warning 4038 Syntax error in JSON text in argument 1 to function 'json_merge' at position 1
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select json_merge('"string"', 123);
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json_merge('"string"', 123)
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["string", 123]
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select json_merge('[1, 2]', '[true, false]');
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json_merge('[1, 2]', '[true, false]')
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[1, 2, true, false]
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select json_merge('{"1": 2}', '{"true": false}');
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json_merge('{"1": 2}', '{"true": false}')
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{"1": 2, "true": false}
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select json_merge('{"1": 2}', '{"true": false}', '{"3": 4}');
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json_merge('{"1": 2}', '{"true": false}', '{"3": 4}')
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{"1": 2, "true": false, "3": 4}
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select json_merge(NULL,json_object('foo', 1));
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json_merge(NULL,json_object('foo', 1))
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NULL
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select json_merge('a','b');
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json_merge('a','b')
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NULL
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Warnings:
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Warning 4038 Syntax error in JSON text in argument 1 to function 'json_merge' at position 1
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select json_merge('{"a":"b"}','{"c":"d"}');
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json_merge('{"a":"b"}','{"c":"d"}')
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{"a": "b", "c": "d"}
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SELECT JSON_MERGE('[1, 2]', '{"id": 47}');
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JSON_MERGE('[1, 2]', '{"id": 47}')
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[1, 2, {"id": 47}]
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select json_type('{"k1":123, "k2":345}');
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json_type('{"k1":123, "k2":345}')
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OBJECT
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select json_type('[123, "k2", 345]');
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json_type('[123, "k2", 345]')
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ARRAY
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select json_type("true");
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json_type("true")
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BOOLEAN
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select json_type('123');
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json_type('123')
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INTEGER
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select json_type('123.12');
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json_type('123.12')
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DOUBLE
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select json_keys('{"a":{"c":1, "d":2}, "b":2}');
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json_keys('{"a":{"c":1, "d":2}, "b":2}')
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["a", "b"]
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select json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.a");
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|
json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.a")
|
|
["c", "d"]
|
|
select json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.b");
|
|
json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.b")
|
|
NULL
|
|
select json_keys('foo');
|
|
json_keys('foo')
|
|
NULL
|
|
Warnings:
|
|
Warning 4038 Syntax error in JSON text in argument 1 to function 'json_keys' at position 1
|
|
SET @j = '["abc", [{"k": "10"}, "def"], {"x":"abc"}, {"y":"bcd"}]';
|
|
select json_search(@j, 'one', 'abc');
|
|
json_search(@j, 'one', 'abc')
|
|
"$[0]"
|
|
select json_search(@j, 'all', 'abc');
|
|
json_search(@j, 'all', 'abc')
|
|
["$[0]", "$[2].x"]
|
|
select json_search(@j, 'all', 'abc', NULL, '$[2]');
|
|
json_search(@j, 'all', 'abc', NULL, '$[2]')
|
|
"$[2].x"
|
|
select json_search(@j, 'all', 'abc', NULL, '$');
|
|
json_search(@j, 'all', 'abc', NULL, '$')
|
|
["$[0]", "$[2].x"]
|
|
select json_search(@j, 'all', '10', NULL, '$');
|
|
json_search(@j, 'all', '10', NULL, '$')
|
|
"$[1][0].k"
|
|
select json_search(@j, 'all', '10', NULL, '$[*]');
|
|
json_search(@j, 'all', '10', NULL, '$[*]')
|
|
"$[1][0].k"
|
|
select json_search(@j, 'all', '10', NULL, '$[*][0].k');
|
|
json_search(@j, 'all', '10', NULL, '$[*][0].k')
|
|
"$[1][0].k"
|
|
select json_search(@j, 'all', '10', NULL, '$**.k');
|
|
json_search(@j, 'all', '10', NULL, '$**.k')
|
|
"$[1][0].k"
|
|
create table t1( json_col text );
|
|
insert into t1 values
|
|
('{ "a": "foobar" }'),
|
|
('{ "a": "foobar", "b": "focus", "c": [ "arm", "foot", "shoulder" ] }');
|
|
select json_search( json_col, 'all', 'foot' ) from t1;
|
|
json_search( json_col, 'all', 'foot' )
|
|
NULL
|
|
"$.c[1]"
|
|
drop table t1;
|
|
select json_unquote('"abc"');
|
|
json_unquote('"abc"')
|
|
abc
|
|
select json_unquote('abc');
|
|
json_unquote('abc')
|
|
abc
|
|
select json_object("a", json_object("b", "abcd"));
|
|
json_object("a", json_object("b", "abcd"))
|
|
{"a": {"b": "abcd"}}
|
|
select json_object("a", '{"b": "abcd"}');
|
|
json_object("a", '{"b": "abcd"}')
|
|
{"a": "{\"b\": \"abcd\"}"}
|
|
select json_object("a", json_compact('{"b": "abcd"}'));
|
|
json_object("a", json_compact('{"b": "abcd"}'))
|
|
{"a": {"b": "abcd"}}
|
|
select json_compact(NULL);
|
|
json_compact(NULL)
|
|
NULL
|
|
select json_depth(json_compact(NULL));
|
|
json_depth(json_compact(NULL))
|
|
NULL
|
|
select json_depth('[[], {}]');
|
|
json_depth('[[], {}]')
|
|
2
|
|
select json_depth('[[[1,2,3],"s"], {}, []]');
|
|
json_depth('[[[1,2,3],"s"], {}, []]')
|
|
4
|
|
select json_depth('[10, {"a": 20}]');
|
|
json_depth('[10, {"a": 20}]')
|
|
3
|
|
select json_length('');
|
|
json_length('')
|
|
NULL
|
|
Warnings:
|
|
Warning 4037 Unexpected end of JSON text in argument 1 to function 'json_length'
|
|
select json_length('{}');
|
|
json_length('{}')
|
|
0
|
|
select json_length('[1, 2, {"a": 3}]');
|
|
json_length('[1, 2, {"a": 3}]')
|
|
3
|
|
select json_length('{"a": 1, "b": {"c": 30}}', '$.b');
|
|
json_length('{"a": 1, "b": {"c": 30}}', '$.b')
|
|
1
|
|
select json_length('{"a": 1, "b": {"c": 30}}');
|
|
json_length('{"a": 1, "b": {"c": 30}}')
|
|
2
|
|
create table json (j INT);
|
|
show create table json;
|
|
Table Create Table
|
|
json CREATE TABLE `json` (
|
|
`j` int(11) DEFAULT NULL
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
|
drop table json;
|
|
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2]' );
|
|
json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2]' )
|
|
1
|
|
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0]' );
|
|
json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0]' )
|
|
1
|
|
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0][0]' );
|
|
json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0][0]' )
|
|
1
|
|
select json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0][0][0]' );
|
|
json_length( '[ 1, [ 2, 3, 4 ], 5 ]', '$[2][0][0][0]' )
|
|
1
|
|
select json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2]' );
|
|
json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2]' )
|
|
2
|
|
select json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2][0]' );
|
|
json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2][0]' )
|
|
2
|
|
select json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2][0][0]' );
|
|
json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2][0][0]' )
|
|
2
|
|
select json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2][0][0][0]' );
|
|
json_length( '[ 1, [ 2, 3, 4 ], {"a":5, "b":6} ]', '$[2][0][0][0]' )
|
|
2
|
|
select json_length( '{"a":{"b":{"d":1}}, "a":{"c":{"d":1, "j":2}}}', '$.a[0][0][0].c' );
|
|
json_length( '{"a":{"b":{"d":1}}, "a":{"c":{"d":1, "j":2}}}', '$.a[0][0][0].c' )
|
|
2
|
|
select json_set('1', '$[0]', 100);
|
|
json_set('1', '$[0]', 100)
|
|
100
|
|
select json_set('1', '$[0][0]', 100);
|
|
json_set('1', '$[0][0]', 100)
|
|
100
|
|
select json_set('1', '$[1]', 100);
|
|
json_set('1', '$[1]', 100)
|
|
[1, 100]
|
|
select json_set('{"a":12}', '$[0]', 100);
|
|
json_set('{"a":12}', '$[0]', 100)
|
|
100
|
|
select json_set('{"a":12}', '$[0].a', 100);
|
|
json_set('{"a":12}', '$[0].a', 100)
|
|
{"a": 100}
|
|
select json_set('{"a":12}', '$[0][0].a', 100);
|
|
json_set('{"a":12}', '$[0][0].a', 100)
|
|
{"a": 100}
|
|
select json_set('{"a":12}', '$[0][1].a', 100);
|
|
json_set('{"a":12}', '$[0][1].a', 100)
|
|
{"a": 12}
|
|
select json_value('{"\\"key1":123}', '$."\\"key1"');
|
|
json_value('{"\\"key1":123}', '$."\\"key1"')
|
|
123
|
|
select json_value('{"\\"key1\\"":123}', '$."\\"key1\\""');
|
|
json_value('{"\\"key1\\"":123}', '$."\\"key1\\""')
|
|
123
|
|
select json_value('{"key 1":123}', '$."key 1"');
|
|
json_value('{"key 1":123}', '$."key 1"')
|
|
123
|
|
select json_contains_path('{"a":[{"c":[1,{"a":[0,1,2]},3]}], "b":[1,2,3]}', 'one', "$**.a[2]");
|
|
json_contains_path('{"a":[{"c":[1,{"a":[0,1,2]},3]}], "b":[1,2,3]}', 'one', "$**.a[2]")
|
|
1
|
|
select json_contains_path('{"a":[{"c":[1,{"a":[0,1,2]},3]}], "b":[1,2,3]}', 'one', "$**.a[3]");
|
|
json_contains_path('{"a":[{"c":[1,{"a":[0,1,2]},3]}], "b":[1,2,3]}', 'one', "$**.a[3]")
|
|
0
|
|
select json_extract( '[1]', '$[0][0]' );
|
|
json_extract( '[1]', '$[0][0]' )
|
|
1
|
|
select json_extract( '[1]', '$[1][0]' );
|
|
json_extract( '[1]', '$[1][0]' )
|
|
NULL
|
|
select json_extract( '[1]', '$**[0]' );
|
|
json_extract( '[1]', '$**[0]' )
|
|
[1]
|
|
select json_extract( '[1]', '$**[0][0]' );
|
|
json_extract( '[1]', '$**[0][0]' )
|
|
[1]
|
|
select json_insert('1', '$[0]', 4);
|
|
json_insert('1', '$[0]', 4)
|
|
1
|
|
select json_replace('1', '$[0]', 4);
|
|
json_replace('1', '$[0]', 4)
|
|
4
|
|
select json_set('1', '$[0]', 4);
|
|
json_set('1', '$[0]', 4)
|
|
4
|
|
select json_set('1', '$[1]', 4);
|
|
json_set('1', '$[1]', 4)
|
|
[1, 4]
|
|
select json_replace('1', '$[1]', 4);
|
|
json_replace('1', '$[1]', 4)
|
|
1
|
|
SELECT json_insert('[]', '$[0][0]', 100);
|
|
json_insert('[]', '$[0][0]', 100)
|
|
[]
|
|
SELECT json_insert('1', '$[0][0]', 100);
|
|
json_insert('1', '$[0][0]', 100)
|
|
1
|
|
SELECT json_replace('1', '$[0][0]', 100);
|
|
json_replace('1', '$[0][0]', 100)
|
|
100
|
|
SELECT json_replace('[]', '$[0][0]', 100);
|
|
json_replace('[]', '$[0][0]', 100)
|
|
[]
|
|
SELECT json_set('[]', '$[0][0]', 100);
|
|
json_set('[]', '$[0][0]', 100)
|
|
[]
|
|
SELECT json_set('[]', '$[0][0][0]', 100);
|
|
json_set('[]', '$[0][0][0]', 100)
|
|
[]
|
|
SELECT JSON_search( '{"": "a"}', "one", 'a');
|
|
JSON_search( '{"": "a"}', "one", 'a')
|
|
"$."
|
|
select json_merge('{"a":"b"}', '{"a":"c"}') ;
|
|
json_merge('{"a":"b"}', '{"a":"c"}')
|
|
{"a": ["b", "c"]}
|
|
select json_merge('{"a":{"x":"b"}}', '{"a":"c"}') ;
|
|
json_merge('{"a":{"x":"b"}}', '{"a":"c"}')
|
|
{"a": [{"x": "b"}, "c"]}
|
|
select json_merge('{"a":{"u":12, "x":"b"}}', '{"a":{"x":"c"}}') ;
|
|
json_merge('{"a":{"u":12, "x":"b"}}', '{"a":{"x":"c"}}')
|
|
{"a": {"u": 12, "x": ["b", "c"]}}
|
|
select json_merge('{"a":{"u":12, "x":"b", "r":1}}', '{"a":{"x":"c", "r":2}}') ;
|
|
json_merge('{"a":{"u":12, "x":"b", "r":1}}', '{"a":{"x":"c", "r":2}}')
|
|
{"a": {"u": 12, "x": ["b", "c"], "r": [1, 2]}}
|
|
select json_compact('{"a":1, "b":[1,2,3], "c":{"aa":"v1", "bb": "v2"}}');
|
|
json_compact('{"a":1, "b":[1,2,3], "c":{"aa":"v1", "bb": "v2"}}')
|
|
{"a":1,"b":[1,2,3],"c":{"aa":"v1","bb":"v2"}}
|
|
select json_loose('{"a":1, "b":[1,2,3], "c":{"aa":"v1", "bb": "v2"}}');
|
|
json_loose('{"a":1, "b":[1,2,3], "c":{"aa":"v1", "bb": "v2"}}')
|
|
{"a": 1, "b": [1, 2, 3], "c": {"aa": "v1", "bb": "v2"}}
|
|
select json_detailed('{"a":1, "b":[1,2,3], "c":{"aa":"v1", "bb": "v2"}}');
|
|
json_detailed('{"a":1, "b":[1,2,3], "c":{"aa":"v1", "bb": "v2"}}')
|
|
{
|
|
"a": 1,
|
|
"b":
|
|
[
|
|
1,
|
|
2,
|
|
3
|
|
],
|
|
"c":
|
|
{
|
|
"aa": "v1",
|
|
"bb": "v2"
|
|
}
|
|
}
|
|
SELECT JSON_search( '{"x": "\\""}', "one", '"');
|
|
JSON_search( '{"x": "\\""}', "one", '"')
|
|
"$.x"
|
|
SELECT JSON_search( '{"x": "\\""}', "one", '\\"');
|
|
JSON_search( '{"x": "\\""}', "one", '\\"')
|
|
"$.x"
|
|
set @@global.net_buffer_length=1024;
|
|
set @@global.max_allowed_packet=2048;
|
|
connect newconn, localhost, root,,;
|
|
show variables like 'net_buffer_length';
|
|
Variable_name Value
|
|
net_buffer_length 1024
|
|
show variables like 'max_allowed_packet';
|
|
Variable_name Value
|
|
max_allowed_packet 2048
|
|
select json_array(repeat('a',1024),repeat('a',1024));
|
|
json_array(repeat('a',1024),repeat('a',1024))
|
|
NULL
|
|
Warnings:
|
|
Warning 1301 Result of json_array() was larger than max_allowed_packet (2048) - truncated
|
|
select json_object("a", repeat('a',1024),"b", repeat('a',1024));
|
|
json_object("a", repeat('a',1024),"b", repeat('a',1024))
|
|
NULL
|
|
Warnings:
|
|
Warning 1301 Result of json_object() was larger than max_allowed_packet (2048) - truncated
|
|
connection default;
|
|
set @@global.max_allowed_packet = default;
|
|
set @@global.net_buffer_length = default;
|
|
disconnect newconn;
|
|
create table t1(j longtext, p longtext);
|
|
insert into t1 values
|
|
('{"a":1,"b":2,"c":3}','$.a'),
|
|
('{"a":1,"b":2,"c":3}','$.b'),
|
|
('{"a":1,"b":2,"c":3}','$.c');
|
|
select j, p, json_remove(j, p) from t1;
|
|
j p json_remove(j, p)
|
|
{"a":1,"b":2,"c":3} $.a {"b": 2, "c": 3}
|
|
{"a":1,"b":2,"c":3} $.b {"a": 1, "c": 3}
|
|
{"a":1,"b":2,"c":3} $.c {"a": 1, "b": 2}
|
|
drop table t1;
|
|
SET @str = 'bar', @path = '$';
|
|
SELECT JSON_SEARCH('{"foo":"bar"}', 'all' , @str, '%', @path);
|
|
JSON_SEARCH('{"foo":"bar"}', 'all' , @str, '%', @path)
|
|
"$.foo"
|
|
SELECT JSON_VALUE('[{"foo": 1},"bar"]', '$[*][0]');
|
|
JSON_VALUE('[{"foo": 1},"bar"]', '$[*][0]')
|
|
bar
|
|
CREATE TABLE t1 (f INT NOT NULL);
|
|
INSERT INTO t1 VALUES (0);
|
|
SELECT JSON_KEYS(f) FROM t1 ORDER BY 1;
|
|
JSON_KEYS(f)
|
|
NULL
|
|
DROP TABLE t1;
|