JSON_SEARCH
Syntax
JSON_SEARCH(json_doc, return_arg, search_str[, escape_char[, path] ...])
Description
Returns the path to the given string within a JSON document, or NULL if any of json_doc, search_str or a path argument is NULL; if the search string is not found, or if no path exists within the document.
A warning will occur if the JSON document is not valid, any of the path arguments are not valid, if return_arg is neither one nor all, or if the escape character is not a constant. NULL will be returned.
return_arg can be one of two values:
'one
: Terminates after finding the first match, so will return one path string. If there is more than one match, it is undefined which is considered first.all
: Returns all matching path strings, without duplicates. Multiple strings are autowrapped as an array. The order is undefined.
Examples
SET @json = '["A", [{"B": "1"}], {"C":"AB"}, {"D":"BC"}]'; SELECT JSON_SEARCH(@json, 'one', 'AB'); +---------------------------------+ | JSON_SEARCH(@json, 'one', 'AB') | +---------------------------------+ | "$[2].C" | +---------------------------------+
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