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jsonb_each()

A function expanding the top-level JSON object into a set of key/value pairs

jsonb_each() is a system function is a system function which expands the top-level JSON object into a set of key/value pairs, with the value returned as jsonb.

jsonb_each() was added in PostgreSQL 9.4.

Usage

jsonb_each ( json ) → setof record ( key text, value json

To extract the value as text, use jsonb_each_text().

Change history

Examples

Basic usage example for jsonb_each():

postgres=# SELECT key, value, jsonb_typeof(value)
  FROM jsonb_each('{"a":"foo", "b":{"bar":"baz"}}');
 key |     value      | jsonb_typeof 
-----+----------------+--------------
 a   | "foo"          | string
 b   | {"bar": "baz"} | object
(2 rows)

Categories

JSON, System function

See also

jsonb_each_text(), json_each()