{
  "name": "SQL Query",
  "description": "Structure of a SQL query object as used in database API integrations",
  "fields": [
    {
      "name": "sql",
      "type": "string",
      "required": true,
      "description": "The SQL statement to execute (SELECT, INSERT, UPDATE, DELETE, DDL)"
    },
    {
      "name": "parameters",
      "type": "array",
      "required": false,
      "description": "Ordered positional parameters for ? or $1 style parameterized queries"
    },
    {
      "name": "namedParameters",
      "type": "object",
      "required": false,
      "description": "Named parameters for :name or @name style parameterized queries"
    },
    {
      "name": "maxRows",
      "type": "integer",
      "required": false,
      "description": "Maximum rows to return (acts as LIMIT if not specified in SQL)"
    },
    {
      "name": "timeout",
      "type": "integer",
      "required": false,
      "description": "Query execution timeout in milliseconds"
    },
    {
      "name": "database",
      "type": "string",
      "required": false,
      "description": "Target database/schema name for multi-database connections"
    }
  ]
}