ABAP Select data from SAP table RJHAGAX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJHAGAX
*  INTO TABLE @DATA(IT_RJHAGAX2).
*--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_RJHAGAX INDEX 1 INTO DATA(WA_RJHAGAX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJHAGAX>-MANDT = 1.
<RJHAGAX>-AVM_NR = 1.
<RJHAGAX>-POS_NR = 1.
<RJHAGAX>-GRUPPABRNR = 1.
<RJHAGAX>-TMP_GRUPPABRNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJHAGAX-UPDATEFLAG, sy-vline,
  WA_RJHAGAX-RAB1_BETR, sy-vline,
  WA_RJHAGAX-RAB1_GRUND, sy-vline,
  WA_RJHAGAX-RAB2_BETR, sy-vline,
  WA_RJHAGAX-RAB2_GRUND, sy-vline,
  WA_RJHAGAX-RAB3_BETR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJHAGAX 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_RJHAGAX 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_RJHAGAX INTO WA_RJHAGAX.


*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 AVM_NR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAGAX-AVM_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAGAX-AVM_NR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TMP_GRUPPABRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAGAX-TMP_GRUPPABRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAGAX-TMP_GRUPPABRNR.
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_RJHAGAX_STR, 
MANDT TYPE STRING,
AVM_NR TYPE STRING,
POS_NR TYPE STRING,
GRUPPABRNR TYPE STRING,
TMP_GRUPPABRNR TYPE STRING,
UPDATEFLAG TYPE STRING,
RAB1_BETR TYPE STRING,
RAB1_GRUND TYPE STRING,
RAB2_BETR TYPE STRING,
RAB2_GRUND TYPE STRING,
RAB3_BETR TYPE STRING,
RAB3_GRUND TYPE STRING,
RAB4_BETR TYPE STRING,
RAB4_PEIN TYPE STRING,
RAB4_MEIN TYPE STRING,
RAB4_GRUND TYPE STRING,
RAB5_BETR TYPE STRING,
RAB5_GRUND TYPE STRING,
RABE_BETR TYPE STRING,
RABE_GRUND TYPE STRING,
ZUS1_BETR TYPE STRING,
ZUS1_GRUND TYPE STRING,
ZUS2_BETR TYPE STRING,
ZUS2_GRUND TYPE STRING,
ZUS3_BETR TYPE STRING,
ZUS3_GRUND TYPE STRING,
ZUS4_BETR TYPE STRING,
ZUS4_PEIN TYPE STRING,
ZUS4_MEIN TYPE STRING,
ZUS4_GRUND TYPE STRING,
ZUS5_BETR TYPE STRING,
ZUS5_GRUND TYPE STRING,
ZUSE_BETR TYPE STRING,
ZUSE_GRUND TYPE STRING,
FPRG_BETR TYPE STRING,
FPRG_PEIN TYPE STRING,
FPRG_MEIN TYPE STRING,
FPRG_GRUND TYPE STRING,
FPR1_BETR TYPE STRING,
FPR1_GRUND TYPE STRING,
WAER_IPZA TYPE STRING,
WAERG TYPE STRING,
FAKSPP TYPE STRING,
XSEPFKKOPF TYPE STRING,
ZTERM TYPE STRING,
VALDT TYPE STRING,
VALTG TYPE STRING,
PERFK TYPE STRING,
FAKDATUM TYPE STRING,
VORAUSKNZ TYPE STRING,
KONDA TYPE STRING,
XORTSPREIS TYPE STRING,
TAXM1 TYPE STRING,
TAXM2 TYPE STRING,
TAXM3 TYPE STRING,
TAXM4 TYPE STRING,
TAXM5 TYPE STRING,
TAXM6 TYPE STRING,
TAXM7 TYPE STRING,
TAXM8 TYPE STRING,
TAXM9 TYPE STRING,
SKTOF TYPE STRING,
PRSDT TYPE STRING,
ANZ_ANFS TYPE STRING,
ANZ_WNFS TYPE STRING,
AUDAT_CC TYPE STRING,
AUTIM TYPE STRING,
AUTWR TYPE STRING,
AUNUM TYPE STRING,
AUTRA TYPE STRING,
CMGST TYPE STRING,
MERKMAL0 TYPE STRING,
MERKMAL1 TYPE STRING,
MERKMAL2 TYPE STRING,
MERKMAL3 TYPE STRING,
MERKMAL4 TYPE STRING,
MERKMAL5 TYPE STRING,
MERKMAL6 TYPE STRING,
MERKMAL7 TYPE STRING,
MERKMAL8 TYPE STRING,
MERKMAL9 TYPE STRING,
XSTORNIERT TYPE STRING,
STORNOGRND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJHAGAX_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_RJHAGAX_STR-MANDT sy-vline 
WA_RJHAGAX_STR-AVM_NR sy-vline 
WA_RJHAGAX_STR-POS_NR sy-vline 
WA_RJHAGAX_STR-GRUPPABRNR sy-vline 
WA_RJHAGAX_STR-TMP_GRUPPABRNR sy-vline 
WA_RJHAGAX_STR-UPDATEFLAG sy-vline 
WA_RJHAGAX_STR-RAB1_BETR sy-vline 
WA_RJHAGAX_STR-RAB1_GRUND sy-vline 
WA_RJHAGAX_STR-RAB2_BETR sy-vline 
WA_RJHAGAX_STR-RAB2_GRUND sy-vline 
WA_RJHAGAX_STR-RAB3_BETR sy-vline 
WA_RJHAGAX_STR-RAB3_GRUND sy-vline 
WA_RJHAGAX_STR-RAB4_BETR sy-vline 
WA_RJHAGAX_STR-RAB4_PEIN sy-vline 
WA_RJHAGAX_STR-RAB4_MEIN sy-vline 
WA_RJHAGAX_STR-RAB4_GRUND sy-vline 
WA_RJHAGAX_STR-RAB5_BETR sy-vline 
WA_RJHAGAX_STR-RAB5_GRUND sy-vline 
WA_RJHAGAX_STR-RABE_BETR sy-vline 
WA_RJHAGAX_STR-RABE_GRUND sy-vline 
WA_RJHAGAX_STR-ZUS1_BETR sy-vline 
WA_RJHAGAX_STR-ZUS1_GRUND sy-vline 
WA_RJHAGAX_STR-ZUS2_BETR sy-vline 
WA_RJHAGAX_STR-ZUS2_GRUND sy-vline 
WA_RJHAGAX_STR-ZUS3_BETR sy-vline 
WA_RJHAGAX_STR-ZUS3_GRUND sy-vline 
WA_RJHAGAX_STR-ZUS4_BETR sy-vline 
WA_RJHAGAX_STR-ZUS4_PEIN sy-vline 
WA_RJHAGAX_STR-ZUS4_MEIN sy-vline 
WA_RJHAGAX_STR-ZUS4_GRUND sy-vline 
WA_RJHAGAX_STR-ZUS5_BETR sy-vline 
WA_RJHAGAX_STR-ZUS5_GRUND sy-vline 
WA_RJHAGAX_STR-ZUSE_BETR sy-vline 
WA_RJHAGAX_STR-ZUSE_GRUND sy-vline 
WA_RJHAGAX_STR-FPRG_BETR sy-vline 
WA_RJHAGAX_STR-FPRG_PEIN sy-vline 
WA_RJHAGAX_STR-FPRG_MEIN sy-vline 
WA_RJHAGAX_STR-FPRG_GRUND sy-vline 
WA_RJHAGAX_STR-FPR1_BETR sy-vline 
WA_RJHAGAX_STR-FPR1_GRUND sy-vline 
WA_RJHAGAX_STR-WAER_IPZA sy-vline 
WA_RJHAGAX_STR-WAERG sy-vline 
WA_RJHAGAX_STR-FAKSPP sy-vline 
WA_RJHAGAX_STR-XSEPFKKOPF sy-vline 
WA_RJHAGAX_STR-ZTERM sy-vline 
WA_RJHAGAX_STR-VALDT sy-vline 
WA_RJHAGAX_STR-VALTG sy-vline 
WA_RJHAGAX_STR-PERFK sy-vline 
WA_RJHAGAX_STR-FAKDATUM sy-vline 
WA_RJHAGAX_STR-VORAUSKNZ sy-vline 
WA_RJHAGAX_STR-KONDA sy-vline 
WA_RJHAGAX_STR-XORTSPREIS sy-vline 
WA_RJHAGAX_STR-TAXM1 sy-vline 
WA_RJHAGAX_STR-TAXM2 sy-vline 
WA_RJHAGAX_STR-TAXM3 sy-vline 
WA_RJHAGAX_STR-TAXM4 sy-vline 
WA_RJHAGAX_STR-TAXM5 sy-vline 
WA_RJHAGAX_STR-TAXM6 sy-vline 
WA_RJHAGAX_STR-TAXM7 sy-vline 
WA_RJHAGAX_STR-TAXM8 sy-vline 
WA_RJHAGAX_STR-TAXM9 sy-vline 
WA_RJHAGAX_STR-SKTOF sy-vline 
WA_RJHAGAX_STR-PRSDT sy-vline 
WA_RJHAGAX_STR-ANZ_ANFS sy-vline 
WA_RJHAGAX_STR-ANZ_WNFS sy-vline 
WA_RJHAGAX_STR-AUDAT_CC sy-vline 
WA_RJHAGAX_STR-AUTIM sy-vline 
WA_RJHAGAX_STR-AUTWR sy-vline 
WA_RJHAGAX_STR-AUNUM sy-vline 
WA_RJHAGAX_STR-AUTRA sy-vline 
WA_RJHAGAX_STR-CMGST sy-vline 
WA_RJHAGAX_STR-MERKMAL0 sy-vline 
WA_RJHAGAX_STR-MERKMAL1 sy-vline 
WA_RJHAGAX_STR-MERKMAL2 sy-vline 
WA_RJHAGAX_STR-MERKMAL3 sy-vline 
WA_RJHAGAX_STR-MERKMAL4 sy-vline 
WA_RJHAGAX_STR-MERKMAL5 sy-vline 
WA_RJHAGAX_STR-MERKMAL6 sy-vline 
WA_RJHAGAX_STR-MERKMAL7 sy-vline 
WA_RJHAGAX_STR-MERKMAL8 sy-vline 
WA_RJHAGAX_STR-MERKMAL9 sy-vline 
WA_RJHAGAX_STR-XSTORNIERT sy-vline 
WA_RJHAGAX_STR-STORNOGRND sy-vline      INTO ld_text SEPARATED BY SPACE.

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