SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 3) ExpressionList (children 1) Asterisk TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) Subquery (children 1) SelectWithUnionQuery (children 1) ExpressionList (children 1) SelectQuery (children 5) ExpressionList (children 1) Identifier id TablesInSelectQuery (children 1) TablesInSelectQueryElement (children 1) TableExpression (children 1) TableIdentifier test_00808 ExpressionList (children 1) Identifier id Literal UInt64_1 ExpressionList (children 1) Identifier id Function equals (children 1) ExpressionList (children 2) Identifier id Literal UInt64_1