{
  "db_name": "PostgreSQL",
  "query": "\n        SELECT id, parent_id, role as \"role: MessageRole\", content, created_at, tokens\n        FROM chat.message\n        WHERE conversation_id = $1\n          AND ($2::timestamptz IS NULL OR created_at < $2)\n        ORDER BY created_at DESC\n        LIMIT $3\n        ",
  "describe": {
    "columns": [
      {
        "ordinal": 0,
        "name": "id",
        "type_info": "Uuid"
      },
      {
        "ordinal": 1,
        "name": "parent_id",
        "type_info": "Uuid"
      },
      {
        "ordinal": 2,
        "name": "role: MessageRole",
        "type_info": {
          "Custom": {
            "name": "chat.role",
            "kind": {
              "Enum": [
                "user",
                "assistant",
                "system"
              ]
            }
          }
        }
      },
      {
        "ordinal": 3,
        "name": "content",
        "type_info": "Text"
      },
      {
        "ordinal": 4,
        "name": "created_at",
        "type_info": "Timestamptz"
      },
      {
        "ordinal": 5,
        "name": "tokens",
        "type_info": "Int4"
      }
    ],
    "parameters": {
      "Left": [
        "Uuid",
        "Timestamptz",
        "Int8"
      ]
    },
    "nullable": [
      false,
      true,
      false,
      false,
      false,
      true
    ]
  },
  "hash": "ac5b689f154241e193cff087a552af61028fd0ae9f34c13504950be6742f107f"
}