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 Function toFixedString (children 1) ExpressionList (children 2) Literal \'foo\' Literal UInt64_16 Function equals (children 1) ExpressionList (children 2) Function modulo (children 1) ExpressionList (children 2) Identifier col1 Literal UInt64_3 Literal UInt64_0 Identifier col3 Literal \'baz\' TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier multi_if_check