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MDEV-28071: JSON_EXISTS returns always 1 if it is used range notation for

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json path
Analysis: When searching for the given path in json string, if the current
step is of array range type, then path was considered reached which meant
path exists. So output was always true. The end indexes of range were not
evaluated.
Fix: If the current step type for a path is array range, then check if the
value array_counter[] is in range of n_item and n_item_end. If it is, then
path exists. Only then return true. If the range criteria is never met
then return false.
This commit is contained in:
Rucha Deodhar
2022-03-21 21:19:10 +05:30
parent e6511a39f8
commit 95a9078efc
3 changed files with 1566 additions and 8 deletions
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471
mysql-test/main/func_json.test
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@ -1477,6 +1477,477 @@ SET @json='{
}';
SELECT JSON_KEYS(@json, '$.A[8][1 to 3]');
--echo #
--echo # MDEV-28071: JSON_EXISTS returns always 1 if it is used range notation
--echo # for json path
--echo #
SET @json= '[
[1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[15, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20],
21, 22
]';
SELECT JSON_EXISTS(@json, '$[2][2][1 to 2]');
SELECT JSON_EXISTS(@json, '$[2][2][4 to 6]');
SELECT JSON_EXISTS(@json, '$[2][2][1 to 4]');
--echo #
--echo # MDEV-22224: Support JSON Path negative index
--echo #
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_ARRAY_APPEND(@json, '$.A[-2][-1]', 5);
SELECT JSON_ARRAY_APPEND(@json, '$.A[last-1][last]', 5);
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_ARRAY_INSERT(@json, '$.A[-2][-2]', 5);
SELECT JSON_ARRAY_INSERT(@json, '$.A[last-1][last-1]', 5);
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_CONTAINS(@json, '15', '$.A[-2][-1]');
SELECT JSON_CONTAINS(@json, '15', '$.A[last-1][last]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_CONTAINS_PATH(@json, 'one', '$.A[-2]');
SELECT JSON_CONTAINS_PATH(@json, 'one', '$.A[last-1]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_EXISTS(@json, '$.A[-2][-1]');
SELECT JSON_EXISTS(@json, '$.A[last-1][last]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_EXTRACT(@json, '$.A[-8][1]');
SELECT JSON_EXTRACT(@json, '$.A[last-7][1]');
SET @json= '[{"A": 1, "B": 2, "C": {"D": 3}},{"A": 1, "B": 2, "C": {"D": 3}}]';
SELECT JSON_KEYS(@json, '$[-1].C');
SELECT JSON_KEYS(@json, '$[last].C');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_LENGTH(@json, '$.A[-2][-3]');
SELECT JSON_LENGTH(@json, '$.A[last-1][last-2]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_QUERY(@json, '$.A[-8]');
SELECT JSON_QUERY(@json, '$.A[last-7]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_REMOVE(@json, '$.A[-10]');
SELECT JSON_REMOVE(@json, '$.A[last-9]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_REPLACE(@json, '$.A[-1]', 4);
SELECT JSON_REPLACE(@json, '$.A[last]', 4);
SET @json = '["abc", [{"k": "10"}, "def"], {"x":"abc"}, {"y":"bcd"}]';
SELECT JSON_SEARCH(@json, 'all', 'abc', NULL, '$[-2]');
SELECT JSON_SEARCH(@json, 'all', 'abc', NULL, '$[last-1]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_SET(@json, '$.A[-4]', 100);
SELECT JSON_SET(@json, '$.A[last-3]', 100);
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":123},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_VALUE(@json, '$.A[-2][-2].key1');
SELECT JSON_VALUE(@json, '$.A[last-1][last-1].key1');
--echo #
--echo # MDEV-22224: Support JSON Path negative index
--echo #
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_ARRAY_APPEND(@json, '$.A[-2][-1]', 5);
SELECT JSON_ARRAY_APPEND(@json, '$.A[last-1][last]', 5);
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_ARRAY_INSERT(@json, '$.A[-2][-2]', 5);
SELECT JSON_ARRAY_INSERT(@json, '$.A[last-1][last-1]', 5);
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_CONTAINS(@json, '15', '$.A[-2][-1]');
SELECT JSON_CONTAINS(@json, '15', '$.A[last-1][last]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_CONTAINS_PATH(@json, 'one', '$.A[-2]');
SELECT JSON_CONTAINS_PATH(@json, 'one', '$.A[last-1]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_EXISTS(@json, '$.A[-2][-1]');
SELECT JSON_EXISTS(@json, '$.A[last-1][last]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_EXTRACT(@json, '$.A[-8][1]');
SELECT JSON_EXTRACT(@json, '$.A[last-7][1]');
SET @json= '[{"A": 1, "B": 2, "C": {"D": 3}},{"A": 1, "B": 2, "C": {"D": 3}}]';
SELECT JSON_KEYS(@json, '$[-1].C');
SELECT JSON_KEYS(@json, '$[last].C');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_LENGTH(@json, '$.A[-2][-3]');
SELECT JSON_LENGTH(@json, '$.A[last-1][last-2]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_QUERY(@json, '$.A[-8]');
SELECT JSON_QUERY(@json, '$.A[last-7]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_REMOVE(@json, '$.A[-10]');
SELECT JSON_REMOVE(@json, '$.A[last-9]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_REPLACE(@json, '$.A[-1]', 4);
SELECT JSON_REPLACE(@json, '$.A[last]', 4);
SET @json = '["abc", [{"k": "10"}, "def"], {"x":"abc"}, {"y":"bcd"}]';
SELECT JSON_SEARCH(@json, 'all', 'abc', NULL, '$[-2]');
SELECT JSON_SEARCH(@json, 'all', 'abc', NULL, '$[last-1]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_SET(@json, '$.A[-4]', 100);
SELECT JSON_SET(@json, '$.A[last-3]', 100);
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":123},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_VALUE(@json, '$.A[-2][-2].key1');
SELECT JSON_VALUE(@json, '$.A[last-1][last-1].key1');
--echo #
--echo # MDEV-28075: JSON_VALUE returns first value from array not from range
--echo #
SET @json1= '[
[{"key1": "value1"}, {"key2": "value2"}],
[{"key3": "value3"}, {"key1": "value4"}],
[{"key1": "value5"}, {"key4": "value6"}, {"key1": "value7"}]
]';
SELECT JSON_VALUE(@json1, '$[2][1 to 2].key1');
SET @json= '[
[1.1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[11, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20]
]';
SELECT JSON_VALUE(@json, '$[*][0]');
SELECT JSON_VALUE(@json, '$[2 to 3][0]');
--echo #
--echo # End of 10.9 Test
--echo #