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Re: How to convert a JSON string containing map data to a TABLE.
Posted by: Steven Hughes
Date: May 15, 2022 04:04PM

Syntax of JSON_TABLE function is:

JSON_TABLE(json_string, '$.<path>' COLUMNS (
column_name_1 <type> PATH '$.<path>',
column_name_2 <type> PATH '$.<path>')
) result;

To what do I set the paths? MySQL seems to object to numeric paths, e.g. $.1, which I can't use as the number will change.

In SQL Server, there is a lovely OPENJSON function which gives me exactly what I need, viz.

FROM OPENJSON(@json_string);

which produces a table of: key, value and type, over which I can retrieve my values.

What is the equivalent mySQL function?

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