ABAP Select data from SAP table BAPIBEN_DC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIBEN_DC
*  INTO TABLE @DATA(IT_BAPIBEN_DC2).
*--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_BAPIBEN_DC INDEX 1 INTO DATA(WA_BAPIBEN_DC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIBEN_DC>-PERSON_NO = 1.
<BAPIBEN_DC>-CUR_BEGDA = 1.
<BAPIBEN_DC>-CUR_ENDDA = 1.
<BAPIBEN_DC>-BEN_AREA = 1.
<BAPIBEN_DC>-PLAN_CATEG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIBEN_DC-PLAN_TYPE, sy-vline,
  WA_BAPIBEN_DC-BEN_PLAN, sy-vline,
  WA_BAPIBEN_DC-ELIG_DATE, sy-vline,
  WA_BAPIBEN_DC-PART_DATE, sy-vline,
  WA_BAPIBEN_DC-ENROLL_TYP, sy-vline,
  WA_BAPIBEN_DC-PLAN_ACTIV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIBEN_DC 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_BAPIBEN_DC 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_BAPIBEN_DC INTO WA_BAPIBEN_DC.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BAPIBEN_DC_STR, 
PERSON_NO TYPE STRING,
CUR_BEGDA TYPE STRING,
CUR_ENDDA TYPE STRING,
BEN_AREA TYPE STRING,
PLAN_CATEG TYPE STRING,
PLAN_TYPE TYPE STRING,
BEN_PLAN TYPE STRING,
ELIG_DATE TYPE STRING,
PART_DATE TYPE STRING,
ENROLL_TYP TYPE STRING,
PLAN_ACTIV TYPE STRING,
CURRENCY TYPE STRING,
CURRENCY_ISO TYPE STRING,
PERIOD TYPE STRING,
PRETAX_PCT TYPE STRING,
PRETAX_AMT TYPE STRING,
PSTTAX_PCT TYPE STRING,
PSTTAX_AMT TYPE STRING,
PSTTAX_IMM TYPE STRING,
ACCOUNT_NO TYPE STRING,
NO_OF_BEN TYPE STRING,
NO_OF_CTG TYPE STRING,
NO_OF_INV TYPE STRING,
TXT_BAREA TYPE STRING,
TXT_PCATEG TYPE STRING,
TXT_PLTYPE TYPE STRING,
TXT_PLAN TYPE STRING,
TXT_PERIOD TYPE STRING,
CONTR_UNIT TYPE STRING,
PRETAX_UNT TYPE STRING,
PSTTAX_UNT TYPE STRING,
BON_PREAMT TYPE STRING,
BON_PREPCT TYPE STRING,
BON_PREUNT TYPE STRING,
BON_PSTAMT TYPE STRING,
BON_PSTPCT TYPE STRING,
BON_PSTUNT TYPE STRING,
BON_PSTIMM TYPE STRING,
CON_SALARY TYPE STRING,
ROLLOVER TYPE STRING,
BON_ROLLO TYPE STRING,
PERCENT_OK TYPE STRING,
AMOUNT_OK TYPE STRING,
UNIT_OK TYPE STRING,
PRETAX_OK TYPE STRING,
BON_PREOK TYPE STRING,
PSTTAX_OK TYPE STRING,
BON_PSTOK TYPE STRING,
BEN_RELEV TYPE STRING,
CTG_RELEV TYPE STRING,
INV_RELEV TYPE STRING,
PLAN_NO TYPE STRING,
EVENT TYPE STRING,
SPAPPR_REQ TYPE STRING,
SPAPPR_DAT TYPE STRING,
URL_PLTYPE TYPE STRING,
TXT_URLPT TYPE STRING,
URL_PLAN TYPE STRING,
TXT_URLPL TYPE STRING,
PRETAX_PCT_5 TYPE STRING,
PSTTAX_PCT_5 TYPE STRING,
BON_PREPCT_5 TYPE STRING,
BON_PSTPCT_5 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIBEN_DC_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_BAPIBEN_DC_STR-PERSON_NO sy-vline 
WA_BAPIBEN_DC_STR-CUR_BEGDA sy-vline 
WA_BAPIBEN_DC_STR-CUR_ENDDA sy-vline 
WA_BAPIBEN_DC_STR-BEN_AREA sy-vline 
WA_BAPIBEN_DC_STR-PLAN_CATEG sy-vline 
WA_BAPIBEN_DC_STR-PLAN_TYPE sy-vline 
WA_BAPIBEN_DC_STR-BEN_PLAN sy-vline 
WA_BAPIBEN_DC_STR-ELIG_DATE sy-vline 
WA_BAPIBEN_DC_STR-PART_DATE sy-vline 
WA_BAPIBEN_DC_STR-ENROLL_TYP sy-vline 
WA_BAPIBEN_DC_STR-PLAN_ACTIV sy-vline 
WA_BAPIBEN_DC_STR-CURRENCY sy-vline 
WA_BAPIBEN_DC_STR-CURRENCY_ISO sy-vline 
WA_BAPIBEN_DC_STR-PERIOD sy-vline 
WA_BAPIBEN_DC_STR-PRETAX_PCT sy-vline 
WA_BAPIBEN_DC_STR-PRETAX_AMT sy-vline 
WA_BAPIBEN_DC_STR-PSTTAX_PCT sy-vline 
WA_BAPIBEN_DC_STR-PSTTAX_AMT sy-vline 
WA_BAPIBEN_DC_STR-PSTTAX_IMM sy-vline 
WA_BAPIBEN_DC_STR-ACCOUNT_NO sy-vline 
WA_BAPIBEN_DC_STR-NO_OF_BEN sy-vline 
WA_BAPIBEN_DC_STR-NO_OF_CTG sy-vline 
WA_BAPIBEN_DC_STR-NO_OF_INV sy-vline 
WA_BAPIBEN_DC_STR-TXT_BAREA sy-vline 
WA_BAPIBEN_DC_STR-TXT_PCATEG sy-vline 
WA_BAPIBEN_DC_STR-TXT_PLTYPE sy-vline 
WA_BAPIBEN_DC_STR-TXT_PLAN sy-vline 
WA_BAPIBEN_DC_STR-TXT_PERIOD sy-vline 
WA_BAPIBEN_DC_STR-CONTR_UNIT sy-vline 
WA_BAPIBEN_DC_STR-PRETAX_UNT sy-vline 
WA_BAPIBEN_DC_STR-PSTTAX_UNT sy-vline 
WA_BAPIBEN_DC_STR-BON_PREAMT sy-vline 
WA_BAPIBEN_DC_STR-BON_PREPCT sy-vline 
WA_BAPIBEN_DC_STR-BON_PREUNT sy-vline 
WA_BAPIBEN_DC_STR-BON_PSTAMT sy-vline 
WA_BAPIBEN_DC_STR-BON_PSTPCT sy-vline 
WA_BAPIBEN_DC_STR-BON_PSTUNT sy-vline 
WA_BAPIBEN_DC_STR-BON_PSTIMM sy-vline 
WA_BAPIBEN_DC_STR-CON_SALARY sy-vline 
WA_BAPIBEN_DC_STR-ROLLOVER sy-vline 
WA_BAPIBEN_DC_STR-BON_ROLLO sy-vline 
WA_BAPIBEN_DC_STR-PERCENT_OK sy-vline 
WA_BAPIBEN_DC_STR-AMOUNT_OK sy-vline 
WA_BAPIBEN_DC_STR-UNIT_OK sy-vline 
WA_BAPIBEN_DC_STR-PRETAX_OK sy-vline 
WA_BAPIBEN_DC_STR-BON_PREOK sy-vline 
WA_BAPIBEN_DC_STR-PSTTAX_OK sy-vline 
WA_BAPIBEN_DC_STR-BON_PSTOK sy-vline 
WA_BAPIBEN_DC_STR-BEN_RELEV sy-vline 
WA_BAPIBEN_DC_STR-CTG_RELEV sy-vline 
WA_BAPIBEN_DC_STR-INV_RELEV sy-vline 
WA_BAPIBEN_DC_STR-PLAN_NO sy-vline 
WA_BAPIBEN_DC_STR-EVENT sy-vline 
WA_BAPIBEN_DC_STR-SPAPPR_REQ sy-vline 
WA_BAPIBEN_DC_STR-SPAPPR_DAT sy-vline 
WA_BAPIBEN_DC_STR-URL_PLTYPE sy-vline 
WA_BAPIBEN_DC_STR-TXT_URLPT sy-vline 
WA_BAPIBEN_DC_STR-URL_PLAN sy-vline 
WA_BAPIBEN_DC_STR-TXT_URLPL sy-vline 
WA_BAPIBEN_DC_STR-PRETAX_PCT_5 sy-vline 
WA_BAPIBEN_DC_STR-PSTTAX_PCT_5 sy-vline 
WA_BAPIBEN_DC_STR-BON_PREPCT_5 sy-vline 
WA_BAPIBEN_DC_STR-BON_PSTPCT_5 sy-vline      INTO ld_text SEPARATED BY SPACE.

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