json-table | Transform nested JSON data into tabular data in the shell | JSON Processing library
kandi X-RAY | json-table Summary
kandi X-RAY | json-table Summary
Extracting information from deeply nested JSON data is difficult and unreliable with tools like sed and awk, and tools that are specially designed for manipulating JSON are cumbersome to use in the shell because they either return their results as JSON or introduce a new turing complete scripting language that needs to be quoted and constructed via string interpolation. Jt provides only what is needed to extract data from nested JSON data structures and organize the data into a table. Tools like cut, paste, join, sort, uniq, etc. can be used to efficiently reduce the tabular data to produce the final result.
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QUESTION
In MySQL 8, we can now use a JSON typed column and also use built-in functions like JSON_TABLE() but as I'm using in different scenarios sometimes I see results I did not expect.
Docs for JSON_TABLE() : https://dev.mysql.com/doc/refman/8.0/en/json-table-functions.html
Maybe JSON_TABLE is not the way to accomplish joining with a piece of JSON. There are some search functions MySQL provides, but nothing jumped out at me as an alternative to JSON_TABLE()
Docs for JSON search functions: https://dev.mysql.com/doc/refman/8.0/en/json-search-functions.html
Schema (MySQL v8.0)
...ANSWER
Answered 2019-Nov-12 at 10:27Use ISNULL
property to create dummy json
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