18 июн. 2018 г. · The JSON needs to use double quotes ( " ) for enclosing values. Compare: presto> SELECT json_extract('{"email": "test_email@test_email.com", ...

21 дек. 2022 г. · JSON_EXTRACT supports quite limited set of json paths. Depending on Athena engine version you can either process column by casting it to array of maps.

3 янв. 2023 г. · I make a query: select json_extract( '{"recurrent_jobs.new_page.career_level.trainee":0, "recurrent_jobs.new_page.career_level.assistant:":1}',

24 янв. 2023 г. · I want to get the values as a string, but I get an error when I try to cast cast(json_extract(myjson,'$.key') as varchar). The error says that is not possible ...

23 июл. 2020 г. · I need to extract values of dayOfWeek , start & end. Tried the solution suggested for Unable to convert varchar to array in Presto Athena but no luck.

30 авг. 2022 г. · I have an athena record with a json string as below. {'is_referred': False, 'landing_page': '/account/register'}.

15 мар. 2019 г. · You can do this to extract the year field and use it in a filter: SELECT * FROM table WHERE JSON_EXTRACT_SCALAR(properties, '$.year') = '2007'

23 мая 2020 г. · extract json in array in AWS Athena · 1. Try CAST(json_parse(data) AS array(json)) . · 1. Using query SELECT data FROM mytable CROSS JOIN UNNEST ...

16 авг. 2021 г. · I have a json column and inside this json column is an array structure. I couldn't figure out how to get the array there.

18 янв. 2024 г. · I'm trying to extract id from the inner json so far i have tried json extract and json extract scalar but both are not working for nested JSON.