MySQL Extract values from JSON type

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MySQL 5.7.8+ supports native JSON type. While you have different ways to create json objects, you can access and read members in different ways, too.

Main function is JSON_EXTRACT, hence -> and ->> operators are more friendly.


  • JSON_EXTRACT(json_doc,path[,...])
  • JSON_EXTRACT(json_doc,path)
  • JSON_EXTRACT(json_doc,path1,path2)


json_docvalid JSON document
pathmembers path


Mentioned in MySQL 5.7 Reference Manual

  • Multiple matched values by path argument(s)

If it is possible that those arguments could return multiple values, the matched values are autowrapped as an array, in the order corresponding to the paths that produced them. Otherwise, the return value is the single matched value.

  • NULL Result when:
    • any argemunt is NULL
    • path not matched

Returns NULL if any argument is NULL or no paths locate a value in the document.

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