ABAP Select data from SAP table RLACCTFIDIA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RLACCTFIDIA
*  INTO TABLE @DATA(IT_RLACCTFIDIA2).
*--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_RLACCTFIDIA INDEX 1 INTO DATA(WA_RLACCTFIDIA2).


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

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

ENDLOOP.

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

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


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

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

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

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

*Conversion exit ALPHA, internal->external for field KONNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RLACCTFIDIA-KONNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RLACCTFIDIA-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_RLACCTFIDIA-REF_PURCH_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RLACCTFIDIA-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_RLACCTFIDIA-PSHPNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RLACCTFIDIA-PSHPNO.
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_RLACCTFIDIA_STR, 
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,
MAKTX TYPE STRING,
SELKZ TYPE STRING,
STAT_ICON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RLACCTFIDIA_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_RLACCTFIDIA_STR-ACCTNO sy-vline 
WA_RLACCTFIDIA_STR-RET_MATNR sy-vline 
WA_RLACCTFIDIA_STR-BUKRS sy-vline 
WA_RLACCTFIDIA_STR-PRPSHPA sy-vline 
WA_RLACCTFIDIA_STR-PP_VALFROM sy-vline 
WA_RLACCTFIDIA_STR-PP_VALTO sy-vline 
WA_RLACCTFIDIA_STR-MEINS sy-vline 
WA_RLACCTFIDIA_STR-ACCTME sy-vline 
WA_RLACCTFIDIA_STR-ROLEACM sy-vline 
WA_RLACCTFIDIA_STR-ACCTBAL sy-vline 
WA_RLACCTFIDIA_STR-SEQNO sy-vline 
WA_RLACCTFIDIA_STR-OTYPE sy-vline 
WA_RLACCTFIDIA_STR-OBJID sy-vline 
WA_RLACCTFIDIA_STR-ACCTSTATE sy-vline 
WA_RLACCTFIDIA_STR-VKORG sy-vline 
WA_RLACCTFIDIA_STR-VTWEG sy-vline 
WA_RLACCTFIDIA_STR-NRART sy-vline 
WA_RLACCTFIDIA_STR-PARNR sy-vline 
WA_RLACCTFIDIA_STR-ACST_CTRL sy-vline 
WA_RLACCTFIDIA_STR-CPCTRL sy-vline 
WA_RLACCTFIDIA_STR-ACST_CREATE_CTRL sy-vline 
WA_RLACCTFIDIA_STR-KONNR sy-vline 
WA_RLACCTFIDIA_STR-KTPNR sy-vline 
WA_RLACCTFIDIA_STR-PLANING sy-vline 
WA_RLACCTFIDIA_STR-PLANING_CTRL sy-vline 
WA_RLACCTFIDIA_STR-REORDBAL sy-vline 
WA_RLACCTFIDIA_STR-ORDQUAN sy-vline 
WA_RLACCTFIDIA_STR-REF_PURCH_DOC sy-vline 
WA_RLACCTFIDIA_STR-ACCDELDATE sy-vline 
WA_RLACCTFIDIA_STR-PSHPNO sy-vline 
WA_RLACCTFIDIA_STR-ACMAN sy-vline 
WA_RLACCTFIDIA_STR-ACMANTY sy-vline 
WA_RLACCTFIDIA_STR-ACHOL sy-vline 
WA_RLACCTFIDIA_STR-ACHOLTY sy-vline 
WA_RLACCTFIDIA_STR-MAKTX sy-vline 
WA_RLACCTFIDIA_STR-SELKZ sy-vline 
WA_RLACCTFIDIA_STR-STAT_ICON sy-vline      INTO ld_text SEPARATED BY SPACE.

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