ABAP Select data from SAP table RLACCOUNT_DB_VAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RLACCOUNT_DB_VAL
*  INTO TABLE @DATA(IT_RLACCOUNT_DB_VAL2).
*--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_RLACCOUNT_DB_VAL INDEX 1 INTO DATA(WA_RLACCOUNT_DB_VAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RLACCOUNT_DB_VAL>-S = 1.
<RLACCOUNT_DB_VAL>-MANDT = 1.
<RLACCOUNT_DB_VAL>-ACCTNO = 1.
<RLACCOUNT_DB_VAL>-RET_MATNR = 1.
<RLACCOUNT_DB_VAL>-BUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RLACCOUNT_DB_VAL-PRPSHPA, sy-vline,
  WA_RLACCOUNT_DB_VAL-PP_VALFROM, sy-vline,
  WA_RLACCOUNT_DB_VAL-PP_VALTO, sy-vline,
  WA_RLACCOUNT_DB_VAL-MEINS, sy-vline,
  WA_RLACCOUNT_DB_VAL-ACCTME, sy-vline,
  WA_RLACCOUNT_DB_VAL-ROLEACM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RLACCOUNT_DB_VAL 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_RLACCOUNT_DB_VAL 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_RLACCOUNT_DB_VAL INTO WA_RLACCOUNT_DB_VAL.


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

*Conversion exit MATN1, internal->external for field RET_MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RLACCOUNT_DB_VAL-RET_MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RLACCOUNT_DB_VAL-RET_MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RLACCOUNT_DB_VAL-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RLACCOUNT_DB_VAL-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ACCTME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RLACCOUNT_DB_VAL-ACCTME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RLACCOUNT_DB_VAL-ACCTME.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field REF_PURCH_DOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RLACCOUNT_DB_VAL-REF_PURCH_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RLACCOUNT_DB_VAL-REF_PURCH_DOC.
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_RLACCOUNT_DB_VAL_STR, 
S TYPE STRING,
MANDT TYPE STRING,
ACCTNO TYPE STRING,
RET_MATNR TYPE STRING,
BUKRS TYPE STRING,
PRPSHPA TYPE STRING,
PP_VALFROM TYPE STRING,
PP_VALTO TYPE STRING,
MEINS TYPE STRING,
ACCTME TYPE STRING,
ROLEACM TYPE STRING,
ACCTBAL TYPE STRING,
SEQNO TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
ACCTSTATE TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
NRART TYPE STRING,
PARNR TYPE STRING,
ACST_CTRL TYPE STRING,
CPCTRL TYPE STRING,
ACST_CREATE_CTRL TYPE STRING,
KONNR TYPE STRING,
KTPNR TYPE STRING,
PLANING TYPE STRING,
PLANING_CTRL TYPE STRING,
REORDBAL TYPE STRING,
ORDQUAN TYPE STRING,
REF_PURCH_DOC TYPE STRING,
ACCDELDATE TYPE STRING,
PRPSHPA_REF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RLACCOUNT_DB_VAL_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_RLACCOUNT_DB_VAL_STR-S sy-vline 
WA_RLACCOUNT_DB_VAL_STR-MANDT sy-vline 
WA_RLACCOUNT_DB_VAL_STR-ACCTNO sy-vline 
WA_RLACCOUNT_DB_VAL_STR-RET_MATNR sy-vline 
WA_RLACCOUNT_DB_VAL_STR-BUKRS sy-vline 
WA_RLACCOUNT_DB_VAL_STR-PRPSHPA sy-vline 
WA_RLACCOUNT_DB_VAL_STR-PP_VALFROM sy-vline 
WA_RLACCOUNT_DB_VAL_STR-PP_VALTO sy-vline 
WA_RLACCOUNT_DB_VAL_STR-MEINS sy-vline 
WA_RLACCOUNT_DB_VAL_STR-ACCTME sy-vline 
WA_RLACCOUNT_DB_VAL_STR-ROLEACM sy-vline 
WA_RLACCOUNT_DB_VAL_STR-ACCTBAL sy-vline 
WA_RLACCOUNT_DB_VAL_STR-SEQNO sy-vline 
WA_RLACCOUNT_DB_VAL_STR-OTYPE sy-vline 
WA_RLACCOUNT_DB_VAL_STR-OBJID sy-vline 
WA_RLACCOUNT_DB_VAL_STR-ACCTSTATE sy-vline 
WA_RLACCOUNT_DB_VAL_STR-VKORG sy-vline 
WA_RLACCOUNT_DB_VAL_STR-VTWEG sy-vline 
WA_RLACCOUNT_DB_VAL_STR-NRART sy-vline 
WA_RLACCOUNT_DB_VAL_STR-PARNR sy-vline 
WA_RLACCOUNT_DB_VAL_STR-ACST_CTRL sy-vline 
WA_RLACCOUNT_DB_VAL_STR-CPCTRL sy-vline 
WA_RLACCOUNT_DB_VAL_STR-ACST_CREATE_CTRL sy-vline 
WA_RLACCOUNT_DB_VAL_STR-KONNR sy-vline 
WA_RLACCOUNT_DB_VAL_STR-KTPNR sy-vline 
WA_RLACCOUNT_DB_VAL_STR-PLANING sy-vline 
WA_RLACCOUNT_DB_VAL_STR-PLANING_CTRL sy-vline 
WA_RLACCOUNT_DB_VAL_STR-REORDBAL sy-vline 
WA_RLACCOUNT_DB_VAL_STR-ORDQUAN sy-vline 
WA_RLACCOUNT_DB_VAL_STR-REF_PURCH_DOC sy-vline 
WA_RLACCOUNT_DB_VAL_STR-ACCDELDATE sy-vline 
WA_RLACCOUNT_DB_VAL_STR-PRPSHPA_REF sy-vline      INTO ld_text SEPARATED BY SPACE.

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