{ "db_name": "PostgreSQL", "query": "\n SELECT EXISTS(\n SELECT 1 \n FROM af_user \n WHERE uuid = $1\n ) AS user_exists;\n ", "describe": { "columns": [ { "ordinal": 0, "name": "user_exists", "type_info": "Bool" } ], "parameters": { "Left": [ "Uuid" ] }, "nullable": [ null ] }, "hash": "c95a9130eb573498248beab702f0fd3d173b6456d079466683be78f1c9bb4f76" }