ABAP Select data from SAP table RLACCTDIA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RLACCTDIA
*  INTO TABLE @DATA(IT_RLACCTDIA2).
*--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_RLACCTDIA INDEX 1 INTO DATA(WA_RLACCTDIA2).


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

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

ENDLOOP.

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

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


*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_RLACCTDIA-ACCTNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RLACCTDIA-ACCTNO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field ORDQUANME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RLACCTDIA-ORDQUANME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RLACCTDIA-ORDQUANME.
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_RLACCTDIA_STR, 
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,
PSHPNO TYPE STRING,
ACMAN TYPE STRING,
ACMANTY TYPE STRING,
ACHOL TYPE STRING,
ACHOLTY TYPE STRING,
ACMAN_NAME1 TYPE STRING,
ACMAN_ORT01 TYPE STRING,
ACHOL_NAME1 TYPE STRING,
ACHOL_ORT01 TYPE STRING,
MAKTX TYPE STRING,
STEXT TYPE STRING,
ROLEACM_TEXT TYPE STRING,
NRART_TEXT TYPE STRING,
VKORG_VTEXT TYPE STRING,
VTWEG_VTEXT TYPE STRING,
ICON_ACCTSTATE TYPE STRING,
REORDBALME TYPE STRING,
ORDQUANME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RLACCTDIA_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_RLACCTDIA_STR-MANDT sy-vline 
WA_RLACCTDIA_STR-ACCTNO sy-vline 
WA_RLACCTDIA_STR-RET_MATNR sy-vline 
WA_RLACCTDIA_STR-BUKRS sy-vline 
WA_RLACCTDIA_STR-PRPSHPA sy-vline 
WA_RLACCTDIA_STR-PP_VALFROM sy-vline 
WA_RLACCTDIA_STR-PP_VALTO sy-vline 
WA_RLACCTDIA_STR-MEINS sy-vline 
WA_RLACCTDIA_STR-ACCTME sy-vline 
WA_RLACCTDIA_STR-ROLEACM sy-vline 
WA_RLACCTDIA_STR-ACCTBAL sy-vline 
WA_RLACCTDIA_STR-SEQNO sy-vline 
WA_RLACCTDIA_STR-OTYPE sy-vline 
WA_RLACCTDIA_STR-OBJID sy-vline 
WA_RLACCTDIA_STR-ACCTSTATE sy-vline 
WA_RLACCTDIA_STR-VKORG sy-vline 
WA_RLACCTDIA_STR-VTWEG sy-vline 
WA_RLACCTDIA_STR-NRART sy-vline 
WA_RLACCTDIA_STR-PARNR sy-vline 
WA_RLACCTDIA_STR-ACST_CTRL sy-vline 
WA_RLACCTDIA_STR-CPCTRL sy-vline 
WA_RLACCTDIA_STR-ACST_CREATE_CTRL sy-vline 
WA_RLACCTDIA_STR-KONNR sy-vline 
WA_RLACCTDIA_STR-KTPNR sy-vline 
WA_RLACCTDIA_STR-PLANING sy-vline 
WA_RLACCTDIA_STR-PLANING_CTRL sy-vline 
WA_RLACCTDIA_STR-REORDBAL sy-vline 
WA_RLACCTDIA_STR-ORDQUAN sy-vline 
WA_RLACCTDIA_STR-REF_PURCH_DOC sy-vline 
WA_RLACCTDIA_STR-ACCDELDATE sy-vline 
WA_RLACCTDIA_STR-PSHPNO sy-vline 
WA_RLACCTDIA_STR-ACMAN sy-vline 
WA_RLACCTDIA_STR-ACMANTY sy-vline 
WA_RLACCTDIA_STR-ACHOL sy-vline 
WA_RLACCTDIA_STR-ACHOLTY sy-vline 
WA_RLACCTDIA_STR-ACMAN_NAME1 sy-vline 
WA_RLACCTDIA_STR-ACMAN_ORT01 sy-vline 
WA_RLACCTDIA_STR-ACHOL_NAME1 sy-vline 
WA_RLACCTDIA_STR-ACHOL_ORT01 sy-vline 
WA_RLACCTDIA_STR-MAKTX sy-vline 
WA_RLACCTDIA_STR-STEXT sy-vline 
WA_RLACCTDIA_STR-ROLEACM_TEXT sy-vline 
WA_RLACCTDIA_STR-NRART_TEXT sy-vline 
WA_RLACCTDIA_STR-VKORG_VTEXT sy-vline 
WA_RLACCTDIA_STR-VTWEG_VTEXT sy-vline 
WA_RLACCTDIA_STR-ICON_ACCTSTATE sy-vline 
WA_RLACCTDIA_STR-REORDBALME sy-vline 
WA_RLACCTDIA_STR-ORDQUANME sy-vline      INTO ld_text SEPARATED BY SPACE.

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