CreateQuery test_view (children 2) Identifier test_view SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 2) Identifier f1 Identifier f2 TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier test_table Function equals (children 1) ExpressionList (children 2) Identifier pk Literal UInt64_2