json_extract_path_text postgresql code example
Example 1: 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 2: json with postgresql
SELECT info ->> 'customer' AS customer,
info -> 'items' ->> 'product' AS product
FROM orders
WHERE CAST ( info -> 'items' ->> 'qty' AS INTEGER) = 2