InsertQuery   (children 3)
 Identifier results
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 5)
    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
        Literal Array_[Float64_0.5, Float64_0.5]
    Literal UInt64_1
    Set
 Set
