JSONB - sgml/signature GitHub Wiki

Get length of a column bar in table foo JSONB array:

  SELECT jsonb_array_length(bar)
  FROM foo
  where baz = 'bop'

Find a string in a JSONB array:

  SELECT 1
  FROM jsonb_each_text(tags) AS j(key, value)
  WHERE j.value ~ 'already'

Find/Replace JSON Text

  UPDATE foo 
  SET jsonb_column = replace(jsonb_column::text, 'CALIFA', 'Khalifa')::jsonb
  WHERE foo_uuid = '7a0be34a-9095-4a4e-b07b-337a090342c7'

References