sql: add recent JSON functions #895
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lilin90
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Sep 27, 2018
| @@ -65,10 +65,13 @@ SELECT JSON_EXTRACT(@person, '$.friends[2].name'); -- gets NULL | |||
| * [JSON_REMOVE](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-remove) | |||
| * [JSON_TYPE](https://dev.mysql.com/doc/refman/5.7/en/json-attribute-functions.html#function_json-type) | |||
| * [JSON_UNQUOTE](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-unquote) | |||
| * [JSON_MERGE](https://dev.mysql.com/doc/refman/5.7/en/json-modification-functions.html#function_json-merge) | |||
| * [JSON_CONTAINS](https://dev.mysql.com/doc/refman/5.7/en/json-search-functions.html#function_json-contains) | |||
| * [JSON_CONTAINS_PATH](https://dev.mysql.com/doc/refman/5.7/en/json-search-functions.html#function_json-contains-path) | |||
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Lack another line about JSON_LENGTH here. Pls add it.
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Via pingcap/docs#632
@lilin90 PTAL