Type ref to data in abap.
Nov 22, 2006 · Hi, i want to get the type of a variable.
Type ref to data in abap I am creating the type of each row in runtime, because it depends on users input. Since data types and data objects are closely related, this cheat sheet covers both topics. Types for Data Reference Variables If, for type, the predefined generic data type data was specified, a data type for a data reference variable of the static type data is created. Data: ref_data type my_ty Oct 20, 2025 · Learn how to efficiently reference data objects and optimize your SAP applications. with several fields, all defined with ddic data elements. field-symbols: type any table. Jan 18, 2016 · Hello Guru's, I build my logic with dynamic internal table concept. Th We would like to show you a description here but the site won’t allow us. DATA: dref TYPE REF TO data. Jun 21, 2017 · New REF (reference) operator in ABAP In stead of Get Reference , new REF operator can be used. The variable than be declared as the data reference object. p_anything TYPE REF TO DATA. i_something TYPE ANY. In this object, there is a list of fieldnames and its values (name-value-pair). Assign the data ref to a field symbol, then use the LINES operator to find out the number of lines. • The REF operator creates a data reference variable pointing to a specified data object. Apr 4, 2022 · Hi all, Regarding abap oo, how to assign field to itab ( Type standart table of ref to )? look this pict : How to assign from lt_dyntab ( 1 ) to lt_data ( 2 ) ? Regards, Nov 7, 2007 · Hi All, I have parameter in a method, which of "type ref to data". i want to Nov 22, 2006 · Hi, i want to get the type of a variable. Reference variables can be handled as other data objects that are defined as an Apr 23, 2008 · ABAP contains a predefined data type for references, comparable to the data types for structures or internal tables. In ABAP, i want to get type 'zmystruct' and after to create dynamically a new variable of this type. Note that the topics covered here are also partly covered in other ABAP cheat sheets. To give wa a type we use the statement CREATE DATA. Apr 4, 2022 · Hi all, Regarding abap oo, how to assign field to itab ( Type standart table of ref to )? look this pict : How to assign from lt_dyntab ( 1 ) to lt_data ( 2 ) ? Regards, Mar 17, 2021 · Solved: Hi All, I'm trying to convert a JSON String into ABAP structure using 'deserialize' method of class 'cl_trex_json_deserializer' Here is the JSON String which I. REFERENCE INTO Since ABAP release 610, we can specify the REFERENCE INTO with Internal table operations like LOOP, READ etc. The static type of the reference variable is Nov 8, 2025 · Discover the comprehensive guide to TYPES - REF TO - ABAP Keyword Documentation, a valuable resource for SAP users seeking to enhance their understanding of ABAP programming language features. The actual contents of a reference variable ie the value of a reference is not visible in an ABAP program. Please Help me,, 4 points. DATA END OF a. assign dref->* to <fs> "<fs> points to internal table Now you can read this table using the following syntax. i have get data to dynamic table 'lt_data'. Reference variable contain references (i. Th Explore ABAP keyword documentation for data references in SAP, providing insights into data handling and programming techniques. NON_V5_HINTS ABAP_HINT_END ABAP_EXAMPLE_VX5 Mar 14, 2014 · Let’s take a deep dive into its usage. DATA fo_generic TYPE REF data . Can anybody kindly guide me how can I get the value of field SRUCTure? I will be thankful for k We would like to show you a description here but the site won’t allow us. e. TYPE table. Provides ABAP documentation for the REF operator, explaining its use in creating data reference variables and controlling table expressions. The static type of their reference variables is either the built-in generic type data or any non-generic data type. . DATA BEGIN OF a OCCURS 0. pointing to the memory location of the another variable). INCLUDE STRUCTURE t000. In short : MOVE fo_generic to my structure-sdata. DATA:l_parameters type ref to /POSDW/IF_PARAMETER_READ. But as the paramet Jul 8, 2021 · 0 Is it possible to find out the TABLE-FIELD phrase from a variable? In the example below, how do I get jkak-vbeln as a type from dref as a string? I tried some RTTI but didn't find anything useful. g. Feb 13, 2012 · Hello experts, I have a structure with two fields, one string as name/ID and the second one REF TO DATA as placeholder for any value, so DATA can take for example another string or a numeric value or whatever. This documentation provides in-depth insights into the use of TYPES and REF TO keywords, essential for effective object-oriented programming within SAP environments. Apr 26, 2023 · Dynamic structures and data references have been well-documented and written for more than a decade already and it's one of the most flexible (albeit, also the most dangerous security-wise) components of SAP development. We would like to show you a description here but the site won’t allow us. Sep 11, 2017 · For data reference variables, either the generic data type or a completely specified data type can be specified. In a method I get a parameter that is of type 'TYPE REF TO DATA'. Such reference variables can refer to instances of any class. To declare a reference variable, you use the type ref to keywords. Seamlessly search and navigate through expertly crafted content that boosts your ABAP development skills. I implemented following to access the data: TYPE T_VAL Get Example source ABAP code based on a different SAP table • REF TO DATA • REF TO CLASS-DATA • REF TO STATICS • REF TO CONSTANTS DATA, REF TO Short Reference ABAP_SYNTAX DATA ref $ { $ {TYPE REF TO type$} $| $ {LIKE REF TO dobj$} $} $ [VALUE IS INITIAL$] $ [READ-ONLY$]. The addition TYPE can be specified by: Reference: CREATE DATA Nov 7, 2007 · Hi All, I have parameter in a method, which of "type ref to data". Thank you for reading. The contents of the reference variable are the address of memory location. In next blog, I have put one example of dynamic programming approach: We would like to show you a description here but the site won’t allow us. The interface '/POSDW/IF_PARAMETER_READ' has only one method called 'GET_VALUE'. With clear explanations and practical I created structure with three components, one of which is type ref to data and a table type of this structure. A data reference (TYPE REF TO DATA), which is a relatively newer addition to ABAP, allows you to instantiate data at runtime without knowing the type beforehand using the 'CREATE DATA' statement. I've declared a type with the type of ref to data. DATA b TYPE REF TO t_t000. The full data type is not defined until the declaration in the ABAP program. Feb 18, 2014 · Hi all, this is my situation: I have a data reference to a sorted internal table lr_t_myTable; The sorted internal table has a non-unique primary key; I need to perform a loop on the internal table only on elements with key = "value1" The "where" clause does not work because I have only the data reference or the field symbol of the original table. What does it do? The addition REF TO declares a reference variable ref. Thanks for help. The "source" data is defined wit Nov 12, 2013 · dref is data reference variable. The actual contents of the reference variable are not visible in the ABAP program. To access the contents of the data object to which a data reference is pointing, you must dereference it. GET REFERENCE OF p_dat INTO dref. e. Feb 5, 2020 · A data reference variable typed in full with TYPE REF TO complete_type or LIKE REF TO dobj can be dereferenced in all matching operand positions using the dereferencing operator ->*. I was wondering, if there is a way to r Feb 2, 2022 · Hi there! I experienced a strange problem with references: see the following program TYPES t_t000 TYPE STANDARD TABLE OF t000 WITH NON-UNIQUE DEFAULT KEY. Code Snippet: DATA: lv_str TYPE string VALUE 'ABCD'. DATA wa TYPE REF TO data. Oct 22, 2014 · I have an program built structure (not ddic). Explore ABAP keyword 'TYPES, REF TO' for declaring reference variables in SAP with syntax, usage, and examples. Ok, now I want to handle this DATA based on it's type, which is unknown at that point. while debugging I could see some values are getting populated inside that. so it looks like this my_type type ref to data. data t ABAP statements usually work with data objects, that is, with transient data that occupies memory space while the data type defines the technical properties of the data objects. Dynamic Creation of Structures If the type of a structure should be decided on runtime, we can define our target structure as reference to the generic type data. Aug 12, 2008 · Try something like this. Then you can have a method which takes an importing parameter (changing if you're going to change it) of TYPE ANY. ABAP supports data references and object references. CL_CLASS_B is then has attribute of type TYPE SRUCTure. For example, the following code : data: my_var type zmystruct. Enhance your SAP environment's performance and unlock new capabilities with keyword-specific examples, best practices, and practical use cases. Sep 25, 2023 · DATA: dref TYPE REF TO data, CREATE DATA dref TYPE vbak. b = REF #( a[] ). In order to use the reference variable, you need to define the variable using REF TO. Jun 18, 2021 · Hi Experts, I am having confusion about How to use the Reference type in Data Element? and when we have to use this Reference type? Thanks in Advance, CREATE DATA statement in ABAP allows dynamic creation of data objects with specified types, enhancing flexibility in programming. A loop with an if inside is not feasible for Oct 19, 2021 · New ABAP expressions for generic and dynamic programming in ABAP Platform 2021: Part I - Dynamic Access to (maybe generic) references Do you use the new ABAP expressions like constructor operators or table selectors in your coding? But you often find that when using generic programming, i. The addition TYPE can be specified by: Reference: CREATE DATA Dec 2, 2011 · Hello community, I have a more general question. Sep 3, 2018 · In a method I have a reference to a table that was declared like this: DATA: tabname TYPE tabname, dref TYPE REF TO data, FIELD-SYMBOLS: <itab> TYPE ANY TABLE. CREATE DATA dref TYPE In this tutorial, you will learn about the ABAP data types including elementary types, complex types, and reference types. I do not want to pass any values to actual parameter ' l_PARAMETERS' in the below mentioned function. The new REF operator condenses this coding into a single expression Data references can point to any data objects or to their parts (components, lines of internal tables, or subareas determined by offset or length specifications). The problem is, how do I add data to this table? It always has three components, but Explore ABAP keyword 'TYPES, REF TO' for declaring reference variables in SAP with syntax, usage, and examples. Data reference variables can also be declared with the static type of an enumerated type and can then point to data objects of the corresponding type. Learn more about its usage here. Learn ABAP - Data referencesEssential for data references is the addition REF TO after TYPE. DATA: p_dat TYPE jkak-vbeln. In ordered to save data in Application server. DATA(lt_indexes) = VALUE tt_i( ( 1 ) ( 3 ) ( 7 ) ). Apr 18, 2014 · Hi friends, The following is the blog that will explains the relationship between data refereneces and field symbols with hands on examples. " Content a data structure type edi4sdata CREATE DATA fo_generic Aug 6, 2015 · Hi all, Data: lt_data type ref to DATA, lt_data_final tye ref to DATA. So Nov 21, 2013 · Hi Everybody, I have some difficult to move a REF DATA (structure) in a structure-FIELD. For object reference variables, either a class or an interface can be specified. Then I declare an internal table, which I want to assign to my_type. TYPES: BEGIN OF ty_selected, material TYPE matnr, matl_type TYPE mtart, lab_office TYPE labor, plant TYPE werks_d, status TYPE mms Apr 30, 2019 · Whole easy example for you to copy and paste: TYPES: tt_i TYPE TABLE OF i WITH DEFAULT KEY, tt_string TYPE TABLE OF string WITH DEFAULT KEY, BEGIN OF ty_reference, record TYPE REF TO string, END OF ty_reference, tt_reference TYPE STANDARD TABLE OF ty_reference WITH DEFAULT KEY. Nov 22, 2006 · Hi, i want to get the type of a variable. eg. Here, my code: DATA fs_segment TYPE edi_dd40. Jan 18, 2022 · Dear All, I am having a class which has attribute of type TYPE REF TO CL_CLASS_A. The purpose of this cheat sheet is to May 25, 2009 · Create an attribute of type REF TO DATA. DATA: dref1 TYPE Jul 1, 2010 · Solved: Hi, is it possible to create dynamically a type ? I take a look on class CL_ABAP_TYPEDESCR but i can't create a new type, so is there a solution ? Cheers Before using reference variables, you need to reserve data for them by using the create data or create object statement. • Sometimes it is necessary to pass a parameter to a method in the form of a data reference. ASSIGN lo_ref->* TO . This normally involves declaring a reference variable with type REF TO DATA, then using the GET REFERENCE OF dobj INTO dref statement. The CL_CLASS_A then has attribute of type TYPE REF TO CL_CLASS_B. I want to convert/Move data from field symbol ( TYPE Nov 11, 2007 · Hi , I have a data statement like this. I would not be re-engineering the wheel but presenting it in different layers o Jan 29, 2009 · Hi Folks! And again I got a little question abount accessing dynamically created data structures =) I got a table type called zzcca_t_data which has a REF TO DATA as rowtype. Readers will definitely get different view and indepth understanding on feild symbols and data references. Since the global object types of the class library are in the same namespace as all global types of an AS ABAP, the specification of type is always unique. The new REF operator condenses this coding into a single expression Jan 29, 2010 · So, you can pass the reference ME to the method DESCRIBE_BY_OBJECT_REF of the class CL_ABAP_TYPEDESCR in the parameter P_OBJECT_REF and get back the Description object. ( a structure/group of values ) Now my question is simple,, how can access those values populated inside this variable ?. When I debug I see the name and the values. uvgtruzpqmhupcmqsccrejchavndpmfpkjlkmeglcykdxqvfsqrzrlwsvuvcfuadnfoef