json to string postgres code example

Example 1: postgres json to string

SELECT CAST( json_column AS TEXT ) FROM table
or
SELECT json_column::TEXT FROM table

Example 2: json array to string in postgresql

SELECT string_agg(trim(tdata::text, '"'), ', ') from jsonb_array_elements(CAST('[1 , 2]' as jsonb)) tdata

Example 3: json array to string in postgresql

SELECT 
	ID
	,(
		SELECT string_agg(trim(JsonString::text, '"'), ', ')
		FROM jsonb_array_elements(JsonData->'Name') JsonString
	) AS StringArray
FROM   tbl_TestJsonArray;

Example 4: postgres json

UPDATE users SET data = jsonb_set(data, '{name}', '"John"');

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Sql Example

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