[Postgres][jsonb_insert][jsonb_array_elements][with ordinality arr] objects + arrays

gistfile1.txt

-- INFO: array starts with 0 and position starts with 1

-- INFO: Get position from pathArray1 element that type is group
WITH position AS(SELECT position
FROM my_table, jsonb_array_elements(data->'path1'->'pathArray1') with ordinality arr(elem, position)
WHERE id = 2 AND elem->>'type' = 'group')

-- INFO: Insert new value into pathArray1[position].path2.pathArray2
UPDATE my_table 
SET data = jsonb_insert(
    data, 
    '{path1, pathArray1}' || array[CAST((SELECT * FROM position) - 1 AS text)] || '{path2, pathArray2, 1}', 
    '"valchan was here"'
)
WHERE id = 2;


SELECT * FROM my_table WHERE id = 2;
{"path1": {
  "pathArray1": [
      {"type": "group", "path2": {"pathArray2": ["valchan was here"]}}, 
      {"type": "solo", "path2": {"pathArray2": []}}
  ]
}}