li7y/.sqlx/query-689a5177bdbc4ac788579a47fe033eb6b9639a356fe7ec543691e385ffef51e7.json

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2024-08-06 16:39:02 +02:00
{
"db_name": "PostgreSQL",
"query": "WITH RECURSIVE item_class_children AS (\n SELECT\n item_classes.id,\n array_remove(array_agg(children.id), NULL) AS \"children\"\n FROM item_classes\n LEFT JOIN item_classes AS \"children\"\n ON item_classes.id = children.parent\n GROUP BY item_classes.id\n ),\n cte AS (\n SELECT\n item_classes.id,\n item_classes.name,\n item_class_children.children,\n 0 AS \"reverse_level\"\n FROM item_classes\n JOIN item_class_children\n ON item_classes.id = item_class_children.id\n WHERE item_class_children.children = '{}'\n\n UNION\n\n SELECT\n item_classes.id,\n item_classes.name,\n item_class_children.children,\n cte.reverse_level + 1\n FROM item_classes\n JOIN item_class_children\n ON item_classes.id = item_class_children.id\n JOIN cte\n ON cte.id = ANY (item_class_children.children)\n )\n SELECT\n id AS \"id!\",\n name AS \"name!\",\n children AS \"children!\"\n FROM cte\n GROUP BY id, name, children\n ORDER BY max(reverse_level)",
"describe": {
"columns": [
{
"ordinal": 0,
"name": "id!",
"type_info": "Uuid"
},
{
"ordinal": 1,
"name": "name!",
"type_info": "Varchar"
},
{
"ordinal": 2,
"name": "children!",
"type_info": "UuidArray"
}
],
"parameters": {
"Left": []
},
"nullable": [
null,
null,
null
]
},
"hash": "689a5177bdbc4ac788579a47fe033eb6b9639a356fe7ec543691e385ffef51e7"
}