SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 2) Function avgWeightedIf (alias t) (children 1) ExpressionList (children 3) Identifier number Identifier number Function toNullable (children 1) ExpressionList (children 1) Function modulo (children 1) ExpressionList (children 2) Identifier number Literal UInt64_10 Function toTypeName (children 1) ExpressionList (children 1) Identifier t TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Function numbers (children 1) ExpressionList (children 1) Literal UInt64_1000