ABAP Select data from SAP table GRPC_S_AIF_CTRDET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GRPC_S_AIF_CTRDET
*  INTO TABLE @DATA(IT_GRPC_S_AIF_CTRDET2).
*--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_GRPC_S_AIF_CTRDET INDEX 1 INTO DATA(WA_GRPC_S_AIF_CTRDET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GRPC_S_AIF_CTRDET>-VALIDFROM = 1.
<GRPC_S_AIF_CTRDET>-VALIDTO = 1.
<GRPC_S_AIF_CTRDET>-DESCR = 1.
<GRPC_S_AIF_CTRDET>-LTEXT = 1.
<GRPC_S_AIF_CTRDET>-CONTROL_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GRPC_S_AIF_CTRDET-IS_CONTROL, sy-vline,
  WA_GRPC_S_AIF_CTRDET-IS_CONTROL_DESCR, sy-vline,
  WA_GRPC_S_AIF_CTRDET-CATEGORY, sy-vline,
  WA_GRPC_S_AIF_CTRDET-CATEGORY_DESCR, sy-vline,
  WA_GRPC_S_AIF_CTRDET-LVL_OF_EVIDENCE, sy-vline,
  WA_GRPC_S_AIF_CTRDET-LVL_OF_EVIDENCE_DESCR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GRPC_S_AIF_CTRDET 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_GRPC_S_AIF_CTRDET 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_GRPC_S_AIF_CTRDET INTO WA_GRPC_S_AIF_CTRDET.


*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_GRPC_S_AIF_CTRDET_STR, 
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
DESCR TYPE STRING,
LTEXT TYPE STRING,
CONTROL_ID TYPE STRING,
IS_CONTROL TYPE STRING,
IS_CONTROL_DESCR TYPE STRING,
CATEGORY TYPE STRING,
CATEGORY_DESCR TYPE STRING,
LVL_OF_EVIDENCE TYPE STRING,
LVL_OF_EVIDENCE_DESCR TYPE STRING,
LVL_OF_EVI_SS TYPE STRING,
LVL_OF_EVI_USS TYPE STRING,
CONTROL_RISK TYPE STRING,
CONTROL_RISK_DESCR TYPE STRING,
CONTROL_RISK_SS TYPE STRING,
CONTROL_RISK_USS TYPE STRING,
CN_GROUP TYPE STRING,
IN_PUT TYPE STRING,
OUT_PUT TYPE STRING,
AUTOM TYPE STRING,
AUTOM_DESCR TYPE STRING,
MAT_TAR TYPE STRING,
MAT_TAR_DESCR TYPE STRING,
NATURE TYPE STRING,
NATURE_DESCR TYPE STRING,
PURP TYPE STRING,
PURP_DESCR TYPE STRING,
SIG TYPE STRING,
SIG_DESCR TYPE STRING,
FREQ_DESCR TYPE STRING,
TEST_AUTOM TYPE STRING,
TEST_AUTOM_DESCR TYPE STRING,
DT_EVNT TYPE STRING,
DT_EVNT_DESCR TYPE STRING,
EVENT_DESCR TYPE STRING,
TEST TYPE STRING,
TEST_DESCR TYPE STRING,
TTECHNQ TYPE STRING,
TTECHNQ_DESCR TYPE STRING,
TESTPROC TYPE STRING,
CHANGED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
TESTPLAN_DESCR TYPE STRING,
P_METHOD_ASS TYPE STRING,
ALLOW_REFER TYPE STRING,
IN_SCOPE TYPE STRING,
RTST_P_DESIGN TYPE STRING,
RTST_PST_DESIGN TYPE STRING,
RTST_PST_EFF TYPE STRING,
RTST_PST_TEST TYPE STRING,
AC_BPROC TYPE STRING,
AC_BSUBPROC TYPE STRING,
CONTROL_RELEVANCE TYPE STRING,
CONTROL_SUBGROUP TYPE STRING,
CDF_DATA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GRPC_S_AIF_CTRDET_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_GRPC_S_AIF_CTRDET_STR-VALIDFROM sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-VALIDTO sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-LTEXT sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CONTROL_ID sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-IS_CONTROL sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-IS_CONTROL_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CATEGORY sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CATEGORY_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-LVL_OF_EVIDENCE sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-LVL_OF_EVIDENCE_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-LVL_OF_EVI_SS sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-LVL_OF_EVI_USS sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CONTROL_RISK sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CONTROL_RISK_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CONTROL_RISK_SS sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CONTROL_RISK_USS sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CN_GROUP sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-IN_PUT sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-OUT_PUT sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-AUTOM sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-AUTOM_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-MAT_TAR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-MAT_TAR_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-NATURE sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-NATURE_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-PURP sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-PURP_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-SIG sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-SIG_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-FREQ_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-TEST_AUTOM sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-TEST_AUTOM_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-DT_EVNT sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-DT_EVNT_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-EVENT_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-TEST sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-TEST_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-TTECHNQ sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-TTECHNQ_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-TESTPROC sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CHANGED_ON sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CHANGED_BY sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-TESTPLAN_DESCR sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-P_METHOD_ASS sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-ALLOW_REFER sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-IN_SCOPE sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-RTST_P_DESIGN sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-RTST_PST_DESIGN sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-RTST_PST_EFF sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-RTST_PST_TEST sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-AC_BPROC sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-AC_BSUBPROC sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CONTROL_RELEVANCE sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CONTROL_SUBGROUP sy-vline 
WA_GRPC_S_AIF_CTRDET_STR-CDF_DATA sy-vline      INTO ld_text SEPARATED BY SPACE.

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