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MDEV-9143 JSON_xxx functions.

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The rest of mysql/json functions implemented.
        CAST AS JSON implemented.
This commit is contained in:
Alexey Botchkov
2016-11-15 17:04:31 +04:00
parent 1122c1f0c2
commit ebe5ebba16
15 changed files with 1619 additions and 59 deletions
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93
mysql-test/r/func_json.result
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@@ -46,6 +46,18 @@ json_array_append('["a", "b"]', '$', FALSE)
select json_array_append('{"k1":1, "k2":["a", "b"]}', '$.k2', 2);
json_array_append('{"k1":1, "k2":["a", "b"]}', '$.k2', 2)
{"k1":1, "k2":["a", "b", 2]}
SELECT JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[1]', 'x');
JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[1]', 'x')
["a", "x", {"b": [1, 2]}, [3, 4]]
SELECT JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[2]', 'x');
JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[2]', 'x')
["a", {"b": [1, 2]}, "x", [3, 4]]
SELECT JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[3]', 'x');
JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[3]', 'x')
["a", {"b": [1, 2]}, [3, 4], "x"]
SELECT JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[4]', 'x');
JSON_ARRAY_INSERT('["a", {"b": [1, 2]}, [3, 4]]', '$[4]', 'x')
["a", {"b": [1, 2]}, [3, 4], "x"]
select json_contains('{"k1":123, "k2":345}', '123', '$.k1');
json_contains('{"k1":123, "k2":345}', '123', '$.k1')
1
@@ -91,6 +103,44 @@ json_extract('{"key1":5, "key2":[2,3]}', "$.key1", "$.key2")
select json_extract('{"key0":true, "key1":"qwe"}', "$.key1");
json_extract('{"key0":true, "key1":"qwe"}', "$.key1")
qwe
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.k1', 'word');
json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.k1', 'word')
{"a":1, "b":{"c":1, "k1":"word"}, "d":[1, 2]}
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.d[3]', 3);
json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.d[3]', 3)
{"a":1, "b":{"c":1}, "d":[1, 2, 3]}
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.a[2]', 2);
json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.a[2]', 2)
{"a":[1, 2], "b":{"c":1}, "d":[1, 2]}
select json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.c', 'word');
json_insert('{"a":1, "b":{"c":1}, "d":[1, 2]}', '$.b.c', 'word')
{"a":1, "b":{"c":1}, "d":[1, 2]}
select json_set('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]');
json_set('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]')
{ "a": 10, "b": [2, 3], "c":"[true, false]"}
select json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]');
json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.c', '[true, false]')
{ "a": 10, "b": [2, 3]}
select json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.b', '[true, false]');
json_replace('{ "a": 1, "b": [2, 3]}', '$.a', 10, '$.b', '[true, false]')
{ "a": 10, "b": "[true, false]"}
set @j = '["a", ["b", "c"], "d"]';
select json_remove(@j, '$[0]');
json_remove(@j, '$[0]')
[ ["b", "c"], "d"]
select json_remove(@j, '$[1]');
json_remove(@j, '$[1]')
["a" "d"]
select json_remove(@j, '$[2]');
json_remove(@j, '$[2]')
["a", ["b", "c"]]
set @j = '{"a": 1, "b": [2, 3]}';
select json_remove(@j, '$.b');
json_remove(@j, '$.b')
{"a": 1}
select json_remove(@j, '$.a');
json_remove(@j, '$.a')
{"b": [2, 3]}
select json_object("ki", 1, "mi", "ya");
json_object("ki", 1, "mi", "ya")
{"ki": 1, "mi": "ya"}
@@ -121,3 +171,46 @@ BOOLEAN
select json_type('123');
json_type('123')
NUMBER
select json_keys('{"a":{"c":1, "d":2}, "b":2}');
json_keys('{"a":{"c":1, "d":2}, "b":2}')
["a", "b"]
select json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.a");
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}', "$.b")
NULL
SET @j = '["abc", [{"k": "10"}, "def"], {"x":"abc"}, {"y":"bcd"}]';
select json_search(@j, 'one', 'abc');
json_search(@j, 'one', 'abc')
"$[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_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", cast('{"b": "abcd"}' as json));
json_object("a", cast('{"b": "abcd"}' as json))
{"a": {"b": "abcd"}}