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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
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87
mysql-test/main/func_json.result
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@@ -1751,6 +1751,53 @@ JSON_OVERLAPS('true','tr')
Warnings:
Warning 4037 Unexpected end of JSON text in argument 2 to function 'json_overlaps'
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# End of 10.9 test
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>>>>>>> MDEV-22224: Support JSON Path negative index
# Beginning of 10.9 Test
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# Beginning of 10.9 Test
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>>>>>>> MDEV-28071: JSON_EXISTS returns always 1 if it is used range notation for
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# End of 10.9 test
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>>>>>>> MDEV-22224: Support JSON Path negative index
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# End of 10.9 test
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>>>>>>> MDEV-28072: JSON_EXTRACT has inconsistent behavior with '0' value in json
# Beginning of 10.9 Test
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# Beginning of 10.9 Test
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>>>>>>> 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
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SET @json='{
@@ -2024,6 +2071,7 @@ SELECT JSON_VALUE(@json,'$.x[0]');
JSON_VALUE(@json,'$.x[0]')
0
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<<<<<<< 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
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# 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
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# End of 10.9 Test
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#