postgres json array length 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 with postgresql

SELECT info ->> 'customer' AS customer,
	info -> 'items' ->> 'product' AS product
FROM orders
WHERE CAST ( info -> 'items' ->> 'qty' AS INTEGER) = 2

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Sql Example

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