json array to string in postgresql
SELECT string_agg(trim(tdata::text, '"'), ', ') from jsonb_array_elements(CAST('[1 , 2]' as jsonb)) tdata
json array to string in postgresql
SELECT string_agg(trim(tdata::text, '"'), ', ') from jsonb_array_elements(CAST('[1 , 2]' as jsonb)) tdata
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;
json with postgresql
SELECT info ->> 'customer' AS customer,
info -> 'items' ->> 'product' AS product
FROM orders
WHERE CAST ( info -> 'items' ->> 'qty' AS INTEGER) = 2
how to get json data in postgresql
-- Give me params.name (text) from the events table
select params->>'name' from events;
-- Find only events with a specific name
select * from events where params->>'name' = 'Click Button';
-- Give me the first index of a JSON array
select params->ids->0 from events;
-- Find users where preferences.beta is true (boolean)
-- This requires type casting preferences->'beta' from json to boolean
select preferences->'beta' from users where (preferences->>'beta')::boolean is true;
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