ABAP Select data from SAP table IEFDOCUMENTB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IEFDOCUMENTB
*  INTO TABLE @DATA(IT_IEFDOCUMENTB2).
*--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_IEFDOCUMENTB INDEX 1 INTO DATA(WA_IEFDOCUMENTB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IEFDOCUMENTB>-MANDT = 1.
<IEFDOCUMENTB>-EARMARKEDFUNDS = 1.
<IEFDOCUMENTB>-EARMARKEDFUNDSDOCUMENTCATEGORY = 1.
<IEFDOCUMENTB>-EARMARKEDFUNDSDOCUMENTTYPE = 1.
<IEFDOCUMENTB>-COMPANYCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IEFDOCUMENTB-FINANCIALMANAGEMENTAREA, sy-vline,
  WA_IEFDOCUMENTB-CONTROLLINGAREA, sy-vline,
  WA_IEFDOCUMENTB-TRANSACTIONCURRENCY, sy-vline,
  WA_IEFDOCUMENTB-COMPANYCODECURRENCY, sy-vline,
  WA_IEFDOCUMENTB-DOCUMENTREFERENCEID, sy-vline,
  WA_IEFDOCUMENTB-EARMARKEDFUNDSHEADERTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IEFDOCUMENTB 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_IEFDOCUMENTB 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_IEFDOCUMENTB INTO WA_IEFDOCUMENTB.


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

*Conversion exit EXCRT, internal->external for field EXCHANGERATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_IEFDOCUMENTB-EXCHANGERATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEFDOCUMENTB-EXCHANGERATE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field REFERENCEDOCUMENTLOGICALSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IEFDOCUMENTB-REFERENCEDOCUMENTLOGICALSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEFDOCUMENTB-REFERENCEDOCUMENTLOGICALSYSTEM.
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_IEFDOCUMENTB_STR, 
MANDT TYPE STRING,
EARMARKEDFUNDS TYPE STRING,
EARMARKEDFUNDSDOCUMENTCATEGORY TYPE STRING,
EARMARKEDFUNDSDOCUMENTTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
FINANCIALMANAGEMENTAREA TYPE STRING,
CONTROLLINGAREA TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
EARMARKEDFUNDSHEADERTEXT TYPE STRING,
EARMARKEDFUNDSHASLONGTEXT TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
EXCHANGERATEDATE TYPE STRING,
EXCHANGERATE TYPE STRING,
BUSINESSTRANSACTIONTYPE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
LASTCHANGEUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
REFERENCEDOCUMENT TYPE STRING,
REFERENCEDOCUMENTCONTEXT TYPE STRING,
REFERENCEDOCUMENTLOGICALSYSTEM TYPE STRING,
EMRKDFNDSISMARKEDFORARCHIVING TYPE STRING,
EMRKDFNDSHASNEGATIVEAMOUNTS TYPE STRING,
EMRKDFNDSISBLOCKEDAGAINSTUSAGE TYPE STRING,
EARMARKEDFUNDSISCOMPLETED TYPE STRING,
EARMARKEDFUNDSISAPPROVED TYPE STRING,
EMRKDFNDSWASALREADYAPRVDONCE TYPE STRING,
EMRKDFNDSHASADDLCNSMPNLOGIC TYPE STRING,
EARMARKEDFUNDSDECISIONREASON TYPE STRING,
EARMARKEDFUNDSSTARTWORKFLOW TYPE STRING,
EARMARKEDFUNDSMANUALEDITBLOCK TYPE STRING,
EMRKDFNDSHASVALUEADJUSTMENTS TYPE STRING,
EARMARKEDFUNDSENTRYSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IEFDOCUMENTB_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_IEFDOCUMENTB_STR-MANDT sy-vline 
WA_IEFDOCUMENTB_STR-EARMARKEDFUNDS sy-vline 
WA_IEFDOCUMENTB_STR-EARMARKEDFUNDSDOCUMENTCATEGORY sy-vline 
WA_IEFDOCUMENTB_STR-EARMARKEDFUNDSDOCUMENTTYPE sy-vline 
WA_IEFDOCUMENTB_STR-COMPANYCODE sy-vline 
WA_IEFDOCUMENTB_STR-FINANCIALMANAGEMENTAREA sy-vline 
WA_IEFDOCUMENTB_STR-CONTROLLINGAREA sy-vline 
WA_IEFDOCUMENTB_STR-TRANSACTIONCURRENCY sy-vline 
WA_IEFDOCUMENTB_STR-COMPANYCODECURRENCY sy-vline 
WA_IEFDOCUMENTB_STR-DOCUMENTREFERENCEID sy-vline 
WA_IEFDOCUMENTB_STR-EARMARKEDFUNDSHEADERTEXT sy-vline 
WA_IEFDOCUMENTB_STR-EARMARKEDFUNDSHASLONGTEXT sy-vline 
WA_IEFDOCUMENTB_STR-POSTINGDATE sy-vline 
WA_IEFDOCUMENTB_STR-DOCUMENTDATE sy-vline 
WA_IEFDOCUMENTB_STR-EXCHANGERATEDATE sy-vline 
WA_IEFDOCUMENTB_STR-EXCHANGERATE sy-vline 
WA_IEFDOCUMENTB_STR-BUSINESSTRANSACTIONTYPE sy-vline 
WA_IEFDOCUMENTB_STR-CREATEDBYUSER sy-vline 
WA_IEFDOCUMENTB_STR-CREATIONDATE sy-vline 
WA_IEFDOCUMENTB_STR-LASTCHANGEUSER sy-vline 
WA_IEFDOCUMENTB_STR-LASTCHANGEDATE sy-vline 
WA_IEFDOCUMENTB_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_IEFDOCUMENTB_STR-REFERENCEDOCUMENT sy-vline 
WA_IEFDOCUMENTB_STR-REFERENCEDOCUMENTCONTEXT sy-vline 
WA_IEFDOCUMENTB_STR-REFERENCEDOCUMENTLOGICALSYSTEM sy-vline 
WA_IEFDOCUMENTB_STR-EMRKDFNDSISMARKEDFORARCHIVING sy-vline 
WA_IEFDOCUMENTB_STR-EMRKDFNDSHASNEGATIVEAMOUNTS sy-vline 
WA_IEFDOCUMENTB_STR-EMRKDFNDSISBLOCKEDAGAINSTUSAGE sy-vline 
WA_IEFDOCUMENTB_STR-EARMARKEDFUNDSISCOMPLETED sy-vline 
WA_IEFDOCUMENTB_STR-EARMARKEDFUNDSISAPPROVED sy-vline 
WA_IEFDOCUMENTB_STR-EMRKDFNDSWASALREADYAPRVDONCE sy-vline 
WA_IEFDOCUMENTB_STR-EMRKDFNDSHASADDLCNSMPNLOGIC sy-vline 
WA_IEFDOCUMENTB_STR-EARMARKEDFUNDSDECISIONREASON sy-vline 
WA_IEFDOCUMENTB_STR-EARMARKEDFUNDSSTARTWORKFLOW sy-vline 
WA_IEFDOCUMENTB_STR-EARMARKEDFUNDSMANUALEDITBLOCK sy-vline 
WA_IEFDOCUMENTB_STR-EMRKDFNDSHASVALUEADJUSTMENTS sy-vline 
WA_IEFDOCUMENTB_STR-EARMARKEDFUNDSENTRYSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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