SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 2) ExpressionList (children 1) Function multiIf (children 1) ExpressionList (children 5) Function equals (children 1) ExpressionList (children 2) Function modulo (children 1) ExpressionList (children 2) Identifier col1 Literal UInt64_2 Literal UInt64_0 Literal Array_[\'foo\', \'bar\'] Literal UInt64_1 Function array (children 1) ExpressionList (children 2) Identifier col4 Identifier col5 Function array (children 1) ExpressionList (children 2) Literal \'foo\' Identifier col7 TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier multi_if_check