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Am 14.06.23 um 12:00 schrieb Nikhil Ingale:Hi All, In oracle we can use the is json check constraint for the json column to ensure the data is well formed.How do we ensure the same in postgres database?Regards, Nikhil IngaleHi Nikhil,If you insist that you want to check without putting the content into a JSON(B) column, you might try this function:create or replace function is_valid_json(p_json text) returns boolean as $$ begin return (p_json::json is not null); exception when others then return false; end; $$ language plpgsql immutable;https://stackoverflow.com/questions/30187554/how-to-verify-a-string-is-valid-json-in-postgresqlIt just tries to cast the text to JSON. If it can be casted, it's valid JSON, otherwise it's not.Regards,Holger-- Holger Jakobs, Bergisch Gladbach, Tel. +49-178-9759012
Hi All, In oracle we can use the is json check constraint for the json column to ensure the data is well formed.How do we ensure the same in postgres database?Regards, Nikhil Ingale
Hi Nikhil,
If you insist that you want to check without putting the content into a JSON(B) column, you might try this function:
create or replace function is_valid_json(p_json text) returns boolean as $$ begin return (p_json::json is not null); exception when others then return false; end; $$ language plpgsql immutable;
https://stackoverflow.com/questions/30187554/how-to-verify-a-string-is-valid-json-in-postgresql
It just tries to cast the text to JSON. If it can be casted, it's valid JSON, otherwise it's not.
Regards,
Holger
-- Holger Jakobs, Bergisch Gladbach, Tel. +49-178-9759012
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