CreateQuery qfilelog (children 3)
 Identifier qfilelog
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration key (children 1)
    DataType UInt64
   ColumnDeclaration value (children 1)
    DataType UInt64
 Storage definition (children 2)
  Function FileLog (children 1)
   ExpressionList (children 2)
    Literal \'/tmp/app.log\'
    Literal \'JSONEachRow\'
  Set
