ABAP Select data from SAP table ISRSPREREQ_STATUSWD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISRSPREREQ_STATUSWD 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 ISRSPREREQ_STATUSWD. 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 ISRSPREREQ_STATUSWD 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_ISRSPREREQ_STATUSWD TYPE STANDARD TABLE OF ISRSPREREQ_STATUSWD,
      WA_ISRSPREREQ_STATUSWD TYPE ISRSPREREQ_STATUSWD,
      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: <ISRSPREREQ_STATUSWD> TYPE ISRSPREREQ_STATUSWD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISRSPREREQ_STATUSWD
*  INTO TABLE @DATA(IT_ISRSPREREQ_STATUSWD2).
*--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_ISRSPREREQ_STATUSWD INDEX 1 INTO DATA(WA_ISRSPREREQ_STATUSWD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISRSPREREQ_STATUSWD>-KEY = 1.
<ISRSPREREQ_STATUSWD>-PARENT_KEY = 1.
<ISRSPREREQ_STATUSWD>-ROOT_KEY = 1.
<ISRSPREREQ_STATUSWD>-RELEASEGROUP = 1.
<ISRSPREREQ_STATUSWD>-PURCHASINGRELEASESTRATEGY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISRSPREREQ_STATUSWD-PURCHASINGRELEASECODE, sy-vline,
  WA_ISRSPREREQ_STATUSWD-PURCHASINGRELEASESTATUS, sy-vline,
  WA_ISRSPREREQ_STATUSWD-PURCHASINGRELEASECODEFOREDIT, sy-vline,
  WA_ISRSPREREQ_STATUSWD-PURCHASINGRELEASESTATUSFOREDIT, sy-vline,
  WA_ISRSPREREQ_STATUSWD-PURCHASINGRELEASEPOINT1, sy-vline,
  WA_ISRSPREREQ_STATUSWD-PURCHASINGRELEASEPOINT2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISRSPREREQ_STATUSWD 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_ISRSPREREQ_STATUSWD 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_ISRSPREREQ_STATUSWD INTO WA_ISRSPREREQ_STATUSWD.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_ISRSPREREQ_STATUSWD_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
RELEASEGROUP TYPE STRING,
PURCHASINGRELEASESTRATEGY TYPE STRING,
PURCHASINGRELEASECODE TYPE STRING,
PURCHASINGRELEASESTATUS TYPE STRING,
PURCHASINGRELEASECODEFOREDIT TYPE STRING,
PURCHASINGRELEASESTATUSFOREDIT TYPE STRING,
PURCHASINGRELEASEPOINT1 TYPE STRING,
PURCHASINGRELEASEPOINT2 TYPE STRING,
PURCHASINGRELEASEPOINT3 TYPE STRING,
PURCHASINGRELEASECATEGORY TYPE STRING,
HASACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISRSPREREQ_STATUSWD_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_ISRSPREREQ_STATUSWD_STR-KEY sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-PARENT_KEY sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-ROOT_KEY sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-RELEASEGROUP sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-PURCHASINGRELEASESTRATEGY sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-PURCHASINGRELEASECODE sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-PURCHASINGRELEASESTATUS sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-PURCHASINGRELEASECODEFOREDIT sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-PURCHASINGRELEASESTATUSFOREDIT sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-PURCHASINGRELEASEPOINT1 sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-PURCHASINGRELEASEPOINT2 sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-PURCHASINGRELEASEPOINT3 sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-PURCHASINGRELEASECATEGORY sy-vline 
WA_ISRSPREREQ_STATUSWD_STR-HASACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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