SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Identifier id
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier tab
   ExpressionList (children 1)
    OrderByElement (children 1)
     Function L2Distance (children 1)
      ExpressionList (children 2)
       Identifier vec
       Function arrayWithConstant (children 1)
        ExpressionList (children 2)
         Literal UInt64_32768
         Literal Float64_0.9
   Literal UInt64_3
