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MDEV-13992 Implement JSON_MERGE_PATCH.

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JSON_MERGE_PATCH implemented. Added JSON_MERGE_PRESERVE as a synonim for
the JSON_MERGE.
This commit is contained in:
Alexey Botchkov
2019-05-17 11:53:58 +04:00
parent da6e55f022
commit cd16d6d518
6 changed files with 495 additions and 5 deletions
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4
mysql-test/suite/json/r/json_no_table.result
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@ -821,13 +821,13 @@ select json_merge( '[1, 2]', '[3, 4' );
json_merge( '[1, 2]', '[3, 4' )
NULL
Warnings:
Warning 4037 Unexpected end of JSON text in argument 2 to function 'json_merge'
Warning 4037 Unexpected end of JSON text in argument 2 to function 'json_merge_preserve'
error ER_INVALID_JSON_TEXT_IN_PARAM
select json_merge( '[1, 2', '[3, 4]' );
json_merge( '[1, 2', '[3, 4]' )
NULL
Warnings:
Warning 4037 Unexpected end of JSON text in argument 1 to function 'json_merge'
Warning 4037 Unexpected end of JSON text in argument 1 to function 'json_merge_preserve'
select json_merge( '1', '2' );
json_merge( '1', '2' )
[1, 2]