ABAP Select data from SAP table RECP_AJR_HEADER_C into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECP_AJR_HEADER_C
*  INTO TABLE @DATA(IT_RECP_AJR_HEADER_C2).
*--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_RECP_AJR_HEADER_C INDEX 1 INTO DATA(WA_RECP_AJR_HEADER_C2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECP_AJR_HEADER_C>-MANDT = 1.
<RECP_AJR_HEADER_C>-PROCESSGUID = 1.
<RECP_AJR_HEADER_C>-VERSION = 1.
<RECP_AJR_HEADER_C>-COUNTER = 1.
<RECP_AJR_HEADER_C>-FISC_YEAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECP_AJR_HEADER_C-PROCESS, sy-vline,
  WA_RECP_AJR_HEADER_C-PROCESSID, sy-vline,
  WA_RECP_AJR_HEADER_C-TITLE, sy-vline,
  WA_RECP_AJR_HEADER_C-FLG_REVERSAL, sy-vline,
  WA_RECP_AJR_HEADER_C-HAS_NEW_VERSION, sy-vline,
  WA_RECP_AJR_HEADER_C-NEW_GUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECP_AJR_HEADER_C 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_RECP_AJR_HEADER_C 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_RECP_AJR_HEADER_C INTO WA_RECP_AJR_HEADER_C.


*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_RECP_AJR_HEADER_C_STR, 
MANDT TYPE STRING,
PROCESSGUID TYPE STRING,
VERSION TYPE STRING,
COUNTER TYPE STRING,
FISC_YEAR TYPE STRING,
PROCESS TYPE STRING,
PROCESSID TYPE STRING,
TITLE TYPE STRING,
FLG_REVERSAL TYPE STRING,
HAS_NEW_VERSION TYPE STRING,
NEW_GUID TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
PROCESSEXTID TYPE STRING,
PROCESSMODE TYPE STRING,
PROCESSTYPE TYPE STRING,
USEREXCLUSIVE TYPE STRING,
FDELETE TYPE STRING,
STEPMSGLOG TYPE STRING,
AJR_RECINDX_LINESCOUNT TYPE STRING,
AJR_RECFREE_LINESCOUNT TYPE STRING,
AJR_RECSCSCRO_LINESCOUNT TYPE STRING,
AJR_RECRLRA_LINESCOUNT TYPE STRING,
AJR_RECCOMP_LINESCOUNT TYPE STRING,
AJR_RECTASK_LINESCOUNT TYPE STRING,
CONDITION_UNCHANGED_LINESCOUNT TYPE STRING,
CONDCURR TYPE STRING,
CONDVALUENET_N_SUM TYPE STRING,
TAXVALUE_N_SUM TYPE STRING,
CONDVALUEGROSS_N_SUM TYPE STRING,
CONDVALUENET_O_SUM TYPE STRING,
TAXVALUE_O_SUM TYPE STRING,
CONDVALUEGROSS_O_SUM TYPE STRING,
CUKY2ND TYPE STRING,
CONDVALUENET_N_SUM_2ND TYPE STRING,
TAXVALUE_N_SUM_2ND TYPE STRING,
CONDVALUEGROSS_N_SUM_2ND TYPE STRING,
CONDVALUENET_O_SUM_2ND TYPE STRING,
TAXVALUE_O_SUM_2ND TYPE STRING,
CONDVALUEGROSS_O_SUM_2ND TYPE STRING,
FREQUENCY_DIFF TYPE STRING,
VALIDFROMEFF_DIFF TYPE STRING,
CONDCURR_DIFF TYPE STRING,
CONDSUMHASTAX TYPE STRING,
AJDUNLEVEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECP_AJR_HEADER_C_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_RECP_AJR_HEADER_C_STR-MANDT sy-vline 
WA_RECP_AJR_HEADER_C_STR-PROCESSGUID sy-vline 
WA_RECP_AJR_HEADER_C_STR-VERSION sy-vline 
WA_RECP_AJR_HEADER_C_STR-COUNTER sy-vline 
WA_RECP_AJR_HEADER_C_STR-FISC_YEAR sy-vline 
WA_RECP_AJR_HEADER_C_STR-PROCESS sy-vline 
WA_RECP_AJR_HEADER_C_STR-PROCESSID sy-vline 
WA_RECP_AJR_HEADER_C_STR-TITLE sy-vline 
WA_RECP_AJR_HEADER_C_STR-FLG_REVERSAL sy-vline 
WA_RECP_AJR_HEADER_C_STR-HAS_NEW_VERSION sy-vline 
WA_RECP_AJR_HEADER_C_STR-NEW_GUID sy-vline 
WA_RECP_AJR_HEADER_C_STR-RERF sy-vline 
WA_RECP_AJR_HEADER_C_STR-DERF sy-vline 
WA_RECP_AJR_HEADER_C_STR-TERF sy-vline 
WA_RECP_AJR_HEADER_C_STR-REHER sy-vline 
WA_RECP_AJR_HEADER_C_STR-RBEAR sy-vline 
WA_RECP_AJR_HEADER_C_STR-DBEAR sy-vline 
WA_RECP_AJR_HEADER_C_STR-TBEAR sy-vline 
WA_RECP_AJR_HEADER_C_STR-RBHER sy-vline 
WA_RECP_AJR_HEADER_C_STR-PROCESSEXTID sy-vline 
WA_RECP_AJR_HEADER_C_STR-PROCESSMODE sy-vline 
WA_RECP_AJR_HEADER_C_STR-PROCESSTYPE sy-vline 
WA_RECP_AJR_HEADER_C_STR-USEREXCLUSIVE sy-vline 
WA_RECP_AJR_HEADER_C_STR-FDELETE sy-vline 
WA_RECP_AJR_HEADER_C_STR-STEPMSGLOG sy-vline 
WA_RECP_AJR_HEADER_C_STR-AJR_RECINDX_LINESCOUNT sy-vline 
WA_RECP_AJR_HEADER_C_STR-AJR_RECFREE_LINESCOUNT sy-vline 
WA_RECP_AJR_HEADER_C_STR-AJR_RECSCSCRO_LINESCOUNT sy-vline 
WA_RECP_AJR_HEADER_C_STR-AJR_RECRLRA_LINESCOUNT sy-vline 
WA_RECP_AJR_HEADER_C_STR-AJR_RECCOMP_LINESCOUNT sy-vline 
WA_RECP_AJR_HEADER_C_STR-AJR_RECTASK_LINESCOUNT sy-vline 
WA_RECP_AJR_HEADER_C_STR-CONDITION_UNCHANGED_LINESCOUNT sy-vline 
WA_RECP_AJR_HEADER_C_STR-CONDCURR sy-vline 
WA_RECP_AJR_HEADER_C_STR-CONDVALUENET_N_SUM sy-vline 
WA_RECP_AJR_HEADER_C_STR-TAXVALUE_N_SUM sy-vline 
WA_RECP_AJR_HEADER_C_STR-CONDVALUEGROSS_N_SUM sy-vline 
WA_RECP_AJR_HEADER_C_STR-CONDVALUENET_O_SUM sy-vline 
WA_RECP_AJR_HEADER_C_STR-TAXVALUE_O_SUM sy-vline 
WA_RECP_AJR_HEADER_C_STR-CONDVALUEGROSS_O_SUM sy-vline 
WA_RECP_AJR_HEADER_C_STR-CUKY2ND sy-vline 
WA_RECP_AJR_HEADER_C_STR-CONDVALUENET_N_SUM_2ND sy-vline 
WA_RECP_AJR_HEADER_C_STR-TAXVALUE_N_SUM_2ND sy-vline 
WA_RECP_AJR_HEADER_C_STR-CONDVALUEGROSS_N_SUM_2ND sy-vline 
WA_RECP_AJR_HEADER_C_STR-CONDVALUENET_O_SUM_2ND sy-vline 
WA_RECP_AJR_HEADER_C_STR-TAXVALUE_O_SUM_2ND sy-vline 
WA_RECP_AJR_HEADER_C_STR-CONDVALUEGROSS_O_SUM_2ND sy-vline 
WA_RECP_AJR_HEADER_C_STR-FREQUENCY_DIFF sy-vline 
WA_RECP_AJR_HEADER_C_STR-VALIDFROMEFF_DIFF sy-vline 
WA_RECP_AJR_HEADER_C_STR-CONDCURR_DIFF sy-vline 
WA_RECP_AJR_HEADER_C_STR-CONDSUMHASTAX sy-vline 
WA_RECP_AJR_HEADER_C_STR-AJDUNLEVEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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