ABAP Select data from SAP table RJHA561 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RJHA561 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 RJHA561. 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 RJHA561 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_RJHA561 TYPE STANDARD TABLE OF RJHA561,
      WA_RJHA561 TYPE RJHA561,
      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: <RJHA561> TYPE RJHA561.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RJHA561.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RJHA561
  INTO TABLE IT_RJHA561.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJHA561
*  INTO TABLE @DATA(IT_RJHA5612).
*--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_RJHA561 INDEX 1 INTO DATA(WA_RJHA5612).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RJHA561 ASSIGNING <RJHA561>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJHA561>-MANDT = 1.
<RJHA561>-AVM_NR = 1.
<RJHA561>-POS_NR = 1.
<RJHA561>-UPOS_NR = 1.
<RJHA561>-EIN_NR = 1.

ENDLOOP.

LOOP AT IT_RJHA561 INTO WA_RJHA561.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJHA561-UR_BELEINH, sy-vline,
  WA_RJHA561-BELEGEINH, sy-vline,
  WA_RJHA561-INHK_EINT, sy-vline,
  WA_RJHA561-INHK_PLAZ, sy-vline,
  WA_RJHA561-INHK_PLEV1, sy-vline,
  WA_RJHA561-PLAZ_ONL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJHA561 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_RJHA561 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_RJHA561 INTO WA_RJHA561.


*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_RJHA561-AVM_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHA561-AVM_NR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field UR_BELEINH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHA561-UR_BELEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHA561-UR_BELEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELEGEINH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHA561-BELEGEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHA561-BELEGEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INHK_EINT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHA561-INHK_EINT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHA561-INHK_EINT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INHK_PLAZ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHA561-INHK_PLAZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHA561-INHK_PLAZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INHK_PLEV1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHA561-INHK_PLEV1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHA561-INHK_PLEV1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT_OL
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJHA561-UNIT_OL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHA561-UNIT_OL.
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_RJHA561_STR, 
MANDT TYPE STRING,
AVM_NR TYPE STRING,
POS_NR TYPE STRING,
UPOS_NR TYPE STRING,
EIN_NR TYPE STRING,
UR_BELEINH TYPE STRING,
BELEGEINH TYPE STRING,
INHK_EINT TYPE STRING,
INHK_PLAZ TYPE STRING,
INHK_PLEV1 TYPE STRING,
PLAZ_ONL TYPE STRING,
S_TERMIN TYPE STRING,
IST_KONTAKTZAHL TYPE STRING,
UNIT_OL TYPE STRING,
XTEXT_INT TYPE STRING,
XTEXT_EXT TYPE STRING,
XERSCH 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,
AENVERS_NR_OL TYPE STRING,
TIMESLICE TYPE STRING,
STATUSK TYPE STRING,
XRESERV TYPE STRING,
XSTORNIERT TYPE STRING,
STORNOGRND TYPE STRING,
EIN_ART TYPE STRING,
WERBK_TYP TYPE STRING,
WERBK_KNZ TYPE STRING,
WERBK_POS TYPE STRING,
WERBK_UPOS TYPE STRING,
WERBK_EINT TYPE STRING,
NOTIZKNZ TYPE STRING,
MOTIV TYPE STRING,
MARK TYPE STRING,
BE_KURZ TYPE STRING,
STAT_AMPEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJHA561_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_RJHA561_STR-MANDT sy-vline 
WA_RJHA561_STR-AVM_NR sy-vline 
WA_RJHA561_STR-POS_NR sy-vline 
WA_RJHA561_STR-UPOS_NR sy-vline 
WA_RJHA561_STR-EIN_NR sy-vline 
WA_RJHA561_STR-UR_BELEINH sy-vline 
WA_RJHA561_STR-BELEGEINH sy-vline 
WA_RJHA561_STR-INHK_EINT sy-vline 
WA_RJHA561_STR-INHK_PLAZ sy-vline 
WA_RJHA561_STR-INHK_PLEV1 sy-vline 
WA_RJHA561_STR-PLAZ_ONL sy-vline 
WA_RJHA561_STR-S_TERMIN sy-vline 
WA_RJHA561_STR-IST_KONTAKTZAHL sy-vline 
WA_RJHA561_STR-UNIT_OL sy-vline 
WA_RJHA561_STR-XTEXT_INT sy-vline 
WA_RJHA561_STR-XTEXT_EXT sy-vline 
WA_RJHA561_STR-XERSCH sy-vline 
WA_RJHA561_STR-MERKMAL0 sy-vline 
WA_RJHA561_STR-MERKMAL1 sy-vline 
WA_RJHA561_STR-MERKMAL2 sy-vline 
WA_RJHA561_STR-MERKMAL3 sy-vline 
WA_RJHA561_STR-MERKMAL4 sy-vline 
WA_RJHA561_STR-MERKMAL5 sy-vline 
WA_RJHA561_STR-MERKMAL6 sy-vline 
WA_RJHA561_STR-MERKMAL7 sy-vline 
WA_RJHA561_STR-MERKMAL8 sy-vline 
WA_RJHA561_STR-MERKMAL9 sy-vline 
WA_RJHA561_STR-AENVERS_NR_OL sy-vline 
WA_RJHA561_STR-TIMESLICE sy-vline 
WA_RJHA561_STR-STATUSK sy-vline 
WA_RJHA561_STR-XRESERV sy-vline 
WA_RJHA561_STR-XSTORNIERT sy-vline 
WA_RJHA561_STR-STORNOGRND sy-vline 
WA_RJHA561_STR-EIN_ART sy-vline 
WA_RJHA561_STR-WERBK_TYP sy-vline 
WA_RJHA561_STR-WERBK_KNZ sy-vline 
WA_RJHA561_STR-WERBK_POS sy-vline 
WA_RJHA561_STR-WERBK_UPOS sy-vline 
WA_RJHA561_STR-WERBK_EINT sy-vline 
WA_RJHA561_STR-NOTIZKNZ sy-vline 
WA_RJHA561_STR-MOTIV sy-vline 
WA_RJHA561_STR-MARK sy-vline 
WA_RJHA561_STR-BE_KURZ sy-vline 
WA_RJHA561_STR-STAT_AMPEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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