ABAP Select data from SAP table ITOBFIELDS_INHERITANCE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ITOBFIELDS_INHERITANCE table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to ITOBFIELDS_INHERITANCE. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the ITOBFIELDS_INHERITANCE table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_ITOBFIELDS_INHERITANCE TYPE STANDARD TABLE OF ITOBFIELDS_INHERITANCE,
      WA_ITOBFIELDS_INHERITANCE TYPE ITOBFIELDS_INHERITANCE,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <ITOBFIELDS_INHERITANCE> TYPE ITOBFIELDS_INHERITANCE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ITOBFIELDS_INHERITANCE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ITOBFIELDS_INHERITANCE
  INTO TABLE IT_ITOBFIELDS_INHERITANCE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ITOBFIELDS_INHERITANCE
*  INTO TABLE @DATA(IT_ITOBFIELDS_INHERITANCE2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_ITOBFIELDS_INHERITANCE INDEX 1 INTO DATA(WA_ITOBFIELDS_INHERITANCE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ITOBFIELDS_INHERITANCE ASSIGNING <ITOBFIELDS_INHERITANCE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ITOBFIELDS_INHERITANCE>-IWERK = 1.
<ITOBFIELDS_INHERITANCE>-INGRP = 1.
<ITOBFIELDS_INHERITANCE>-GEWRK = 1.
<ITOBFIELDS_INHERITANCE>-ABCKZ = 1.
<ITOBFIELDS_INHERITANCE>-EQFNR = 1.

ENDLOOP.

LOOP AT IT_ITOBFIELDS_INHERITANCE INTO WA_ITOBFIELDS_INHERITANCE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ITOBFIELDS_INHERITANCE-SWERK, sy-vline,
  WA_ITOBFIELDS_INHERITANCE-STORT, sy-vline,
  WA_ITOBFIELDS_INHERITANCE-MSGRP, sy-vline,
  WA_ITOBFIELDS_INHERITANCE-BEBER, sy-vline,
  WA_ITOBFIELDS_INHERITANCE-PPSID, sy-vline,
  WA_ITOBFIELDS_INHERITANCE-GSBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ITOBFIELDS_INHERITANCE you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_ITOBFIELDS_INHERITANCE TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_ITOBFIELDS_INHERITANCE INTO WA_ITOBFIELDS_INHERITANCE.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITOBFIELDS_INHERITANCE-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBFIELDS_INHERITANCE-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PROID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_ITOBFIELDS_INHERITANCE-PROID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBFIELDS_INHERITANCE-PROID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITOBFIELDS_INHERITANCE-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBFIELDS_INHERITANCE-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DAUFN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITOBFIELDS_INHERITANCE-DAUFN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBFIELDS_INHERITANCE-DAUFN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITOBFIELDS_INHERITANCE-ADRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBFIELDS_INHERITANCE-ADRNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field TPLNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_ITOBFIELDS_INHERITANCE-TPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBFIELDS_INHERITANCE-TPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EQUNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITOBFIELDS_INHERITANCE-EQUNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBFIELDS_INHERITANCE-EQUNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITOBFIELDS_INHERITANCE-ANLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBFIELDS_INHERITANCE-ANLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLUN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITOBFIELDS_INHERITANCE-ANLUN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBFIELDS_INHERITANCE-ANLUN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field SUBMT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ITOBFIELDS_INHERITANCE-SUBMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBFIELDS_INHERITANCE-SUBMT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ITOBFIELDS_INHERITANCE_STR, 
IWERK TYPE STRING,
INGRP TYPE STRING,
GEWRK TYPE STRING,
ABCKZ TYPE STRING,
EQFNR TYPE STRING,
SWERK TYPE STRING,
STORT TYPE STRING,
MSGRP TYPE STRING,
BEBER TYPE STRING,
PPSID TYPE STRING,
GSBER TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
PROID TYPE STRING,
BUKRS TYPE STRING,
RBNR TYPE STRING,
AUFNR TYPE STRING,
DAUFN TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
VKBUR TYPE STRING,
VKGRP TYPE STRING,
ADRNR TYPE STRING,
TPLNR TYPE STRING,
EQUNR TYPE STRING,
BEGRU TYPE STRING,
PM_OBJTY TYPE STRING,
CR_OBJTY TYPE STRING,
ANLNR TYPE STRING,
ANLUN TYPE STRING,
IWERKI TYPE STRING,
INGRPI TYPE STRING,
GEWRKI TYPE STRING,
ABCKZI TYPE STRING,
EQFNRI TYPE STRING,
SWERKI TYPE STRING,
STORTI TYPE STRING,
MSGRPI TYPE STRING,
BEBERI TYPE STRING,
PPSIDI TYPE STRING,
GSBERI TYPE STRING,
KOKRSI TYPE STRING,
KOSTLI TYPE STRING,
PROIDI TYPE STRING,
BUKRSI TYPE STRING,
RBNR_I TYPE STRING,
AUFNRI TYPE STRING,
DAUFNI TYPE STRING,
VKORGI TYPE STRING,
VTWEGI TYPE STRING,
SPARTI TYPE STRING,
ADRNRI TYPE STRING,
BEGRUI TYPE STRING,
ANLNRI TYPE STRING,
SUBMT TYPE STRING,
SUBMTI TYPE STRING,
IEQUI TYPE STRING,
IEQUII TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ITOBFIELDS_INHERITANCE_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_ITOBFIELDS_INHERITANCE_STR-IWERK sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-INGRP sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-GEWRK sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-ABCKZ sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-EQFNR sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-SWERK sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-STORT sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-MSGRP sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-BEBER sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-PPSID sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-GSBER sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-KOKRS sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-KOSTL sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-PROID sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-BUKRS sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-RBNR sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-AUFNR sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-DAUFN sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-VKORG sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-VTWEG sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-SPART sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-VKBUR sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-VKGRP sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-ADRNR sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-TPLNR sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-EQUNR sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-BEGRU sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-PM_OBJTY sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-CR_OBJTY sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-ANLNR sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-ANLUN sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-IWERKI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-INGRPI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-GEWRKI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-ABCKZI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-EQFNRI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-SWERKI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-STORTI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-MSGRPI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-BEBERI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-PPSIDI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-GSBERI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-KOKRSI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-KOSTLI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-PROIDI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-BUKRSI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-RBNR_I sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-AUFNRI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-DAUFNI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-VKORGI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-VTWEGI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-SPARTI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-ADRNRI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-BEGRUI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-ANLNRI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-SUBMT sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-SUBMTI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-IEQUI sy-vline 
WA_ITOBFIELDS_INHERITANCE_STR-IEQUII sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.