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MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in json

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path (when range is used)

Analysis: When 0 comes after space, then the json path parser changes the
state to JE_SYN instead of PS_Z (meaning parse zero). Hence the warning.
Fix: Make the state PS_Z instead of JE_SYN.
This commit is contained in:
Rucha Deodhar 2022-03-21 12:43:17 +05:30
parent 95a9078efc
commit c69d72c2e4
3 changed files with 855 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

87
mysql-test/main/func_json.result
View file

@ -1751,6 +1751,53 @@ JSON_OVERLAPS('true','tr')
Warnings:
Warning 4037 Unexpected end of JSON text in argument 2 to function 'json_overlaps'
#
<<<<<<< HEAD
||||||| parent of 970dba92c3d... MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in json
<<<<<<< HEAD
<<<<<<< HEAD
||||||| constructed merge base
# End of 10.9 test
#
#
||||||| constructed merge base
# End of 10.9 test
#
#
=======
>>>>>>> MDEV-22224: Support JSON Path negative index
# Beginning of 10.9 Test
#
=======
# Beginning of 10.9 Test
#
>>>>>>> MDEV-28071: JSON_EXISTS returns always 1 if it is used range notation for
=======
<<<<<<< HEAD
<<<<<<< HEAD
<<<<<<< HEAD
||||||| constructed merge base
# End of 10.9 test
#
#
||||||| constructed merge base
# End of 10.9 test
#
#
=======
>>>>>>> MDEV-22224: Support JSON Path negative index
||||||| constructed merge base
=======
# End of 10.9 test
#
#
>>>>>>> MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in json
# Beginning of 10.9 Test
#
=======
# Beginning of 10.9 Test
#
>>>>>>> MDEV-28071: JSON_EXISTS returns always 1 if it is used range notation for
>>>>>>> 970dba92c3d... MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in json
# MDEV-22224: Support JSON Path negative index
#
SET @json='{
@ -2024,6 +2071,7 @@ SELECT JSON_VALUE(@json,'$.x[0]');
JSON_VALUE(@json,'$.x[0]')
0
#
<<<<<<< HEAD
# MDEV-27911: Implement range notation for json path
#
SET @json= '[
@ -3014,7 +3062,21 @@ SELECT JSON_VALUE(@json, '$.A[last-1][last-1].key1');
JSON_VALUE(@json, '$.A[last-1][last-1].key1')
123
#
<<<<<<< HEAD
# MDEV-28075: JSON_VALUE returns first value from array not from range
||||||| parent of 970dba92c3d... MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in json
# MDEV-22224: Support JSON Path negative index
#
# MDEV-27911: Implement range notation for json path
=======
# MDEV-22224: Support JSON Path negative index
#
# Beginning of 10.9 Test
#
# MDEV-22224: Support JSON Path negative index
#
# MDEV-27911: Implement range notation for json path
>>>>>>> 970dba92c3d... MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in json
#
SET @json1= '[
[{"key1": "value1"}, {"key2": "value2"}],
@ -3038,9 +3100,32 @@ SELECT JSON_VALUE(@json, '$[2 to 3][0]');
JSON_VALUE(@json, '$[2 to 3][0]')
7
#
<<<<<<< HEAD
# Beginning of 10.9 Test
#
# MDEV-22224: Support JSON Path negative index
||||||| parent of 970dba92c3d... MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in json
# MDEV-27911: Implement range notation for json path
=======
# MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in
# json path (when range is used)
#
SET @json= '[ 11, 22 , 33]';
SELECT JSON_EXTRACT(@json, '$[0 to 0]');
JSON_EXTRACT(@json, '$[0 to 0]')
[11]
SELECT JSON_EXTRACT(@json, '$[0 to -0]');
JSON_EXTRACT(@json, '$[0 to -0]')
[11]
SELECT JSON_EXTRACT(@json, '$[-0 to 0]');
JSON_EXTRACT(@json, '$[-0 to 0]')
[11]
SELECT JSON_EXTRACT(@json, '$[-0 to -0]');
JSON_EXTRACT(@json, '$[-0 to -0]')
[11]
#
# MDEV-22224: Support JSON Path negative index
>>>>>>> 970dba92c3d... MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in json
#
SET @json='{
"A": [0,
@ -3298,4 +3383,4 @@ JSON_VALUE(@json, '$.A[last-1][last-1].key1')
123
#
# End of 10.9 Test
#
#

768
mysql-test/main/func_json.test
View file

@ -1949,5 +1949,773 @@ SELECT JSON_VALUE(@json, '$[*][0]');
SELECT JSON_VALUE(@json, '$[2 to 3][0]');
--echo #
<<<<<<< HEAD
||||||| parent of 970dba92c3d... MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in json
--echo # MDEV-27911: Implement range notation 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, '$[3][3][-2 to last]');
SET @json= '[
[1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[15, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20],
21, 22
]';
SELECT JSON_SEARCH(@json, 'one', '12', NULL, '$[3][0 to 3]');
SET @json= '[
[1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[12, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20]
]';
SELECT JSON_VALUE(@json, '$[0][1 to 2].key1');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_QUERY(@json, '$.A[-2][-3 to -1]');
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_EXTRACT(@json, '$[0 to 3][2]');
SELECT JSON_EXTRACT(@json, '$[3][3][last-1 to last]');
SELECT JSON_EXTRACT(@json, '$[3][3][-2 to -1]');
--echo # Checking errors
SET @json= '[
[1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[15, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20],
21, 22
]';
SELECT JSON_CONTAINS_PATH(@json,'one', '$[3][0 to 3]');
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_CONTAINS(@json, '$[3][0 to 3]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_ARRAY_INSERT(@json, '$.A[0 to 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_ARRAY_APPEND(@json, '$.A[*]', 7);
SET @json= '[
[1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[12, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20]
]';
SELECT JSON_SET(@json, '$[0][1 to 2].key1', 1);
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_REPLACE(@json, '$[1][last-2 to last]', 4);
SET @json= '[
[1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[15, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20],
21, 22
]';
SELECT JSON_REMOVE(@json, '$[1][-6 to 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_KEYS(@json, '$.A[8][1 to 3]');
--echo #
--echo # MDEV-22224: Support JSON Path negative index
--echo #
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_ARRAY_APPEND(@json, '$.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, '$.A[last-1][last-1].key1');
--echo #
=======
--echo # MDEV-27911: Implement range notation for json path
--echo #
SET @json= '[
[1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[15, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20],
21, 22
]';
SELECT JSON_EXISTS(@json, '$[3][3][-2 to last]');
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_SEARCH(@json, 'one', '12', NULL, '$[3][0 to 3]');
SET @json= '[
[1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[12, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20]
]';
SELECT JSON_VALUE(@json, '$[0][1 to 2].key1');
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, '$.A[-2][-3 to -1]');
SET @json= '[
[1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[15, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20],
21, 22
]';
SELECT JSON_EXTRACT(@json, '$[0 to 3][2]');
SELECT JSON_EXTRACT(@json, '$[3][3][last-1 to last]');
SELECT JSON_EXTRACT(@json, '$[3][3][-2 to -1]');
--echo # Checking errors
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_CONTAINS_PATH(@json,'one', '$[3][0 to 3]');
SET @json= '[
[1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[15, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20],
21, 22
]';
SELECT JSON_CONTAINS(@json, '$[3][0 to 3]');
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, '$.A[0 to last-1]', 5);
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, 13, {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_ARRAY_APPEND(@json, '$.A[*]', 7);
SET @json= '[
[1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[12, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20]
]';
SELECT JSON_SET(@json, '$[0][1 to 2].key1', 1);
SET @json= '[
[1, {"key1": "value1"}, 3],
[false, 5, 6],
[7, 8, [9, {"key2": 2}, 11]],
[15, 1.34, [14], ["string1", [16, {"key1":[1,2,3,[4,5,6]]}, 18]]],
[19, 20],
21, 22
]';
SELECT JSON_REPLACE(@json, '$[1][last-2 to last]', 4);
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_REMOVE(@json, '$[1][-6 to last-2]');
SET @json='{
"A": [0,
[1, 2, 3],
[4, 5, 6],
"seven",
0.8,
true,
false,
"eleven",
[12, [13, 14], {"key1":"value1"},[15]],
true],
"B": {"C": 1},
"D": 2
}';
SELECT JSON_KEYS(@json, '$.A[8][1 to 3]');
--echo #
--echo # MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in
--echo # json path (when range is used)
--echo #
SET @json= '[ 11, 22 , 33]';
SELECT JSON_EXTRACT(@json, '$[0 to 0]');
SELECT JSON_EXTRACT(@json, '$[0 to -0]');
SELECT JSON_EXTRACT(@json, '$[-0 to 0]');
SELECT JSON_EXTRACT(@json, '$[-0 to -0]');
--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 #
>>>>>>> 970dba92c3d... MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in json
--echo # End of 10.9 Test
--echo #

2
strings/json_lib.c
View file

@ -1091,7 +1091,7 @@ static int json_path_transitions[N_PATH_STATES][N_PATH_CLASSES]=
PS_INT, PS_INT, JE_SYN, JE_SYN, PS_AS, JE_SYN, JE_SYN, JE_SYN,
JE_NOT_JSON_CHR, JE_BAD_CHR},
/* AS */ { JE_EOS, JE_SYN, JE_SYN, JE_SYN, PS_T, PS_PT, JE_SYN, PS_NEG,
JE_SYN, PS_INT, PS_LAST, PS_AS, JE_SYN, JE_SYN, JE_SYN,
PS_Z, PS_INT, PS_LAST, PS_AS, JE_SYN, JE_SYN, JE_SYN,
JE_NOT_JSON_CHR, JE_BAD_CHR},
/* KEY */ { JE_EOS, PS_KNM, PS_KWD, JE_SYN, PS_KNM, PS_KNM, JE_SYN, JE_SYN,
PS_KNM, PS_KNM, PS_KNM, PS_KNM, PS_KNM, JE_SYN, PS_KEYX, PS_KNM,