ABAP Select data from SAP table BAPIBEN_OA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIBEN_OA 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_OA. 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_OA 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_OA TYPE STANDARD TABLE OF BAPIBEN_OA,
      WA_BAPIBEN_OA TYPE BAPIBEN_OA,
      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_OA> TYPE BAPIBEN_OA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIBEN_OA
*  INTO TABLE @DATA(IT_BAPIBEN_OA2).
*--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_OA INDEX 1 INTO DATA(WA_BAPIBEN_OA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIBEN_OA>-PERSON_NO = 1.
<BAPIBEN_OA>-VALID_DATE = 1.
<BAPIBEN_OA>-FROM_DATE = 1.
<BAPIBEN_OA>-TO_DATE = 1.
<BAPIBEN_OA>-BEN_AREA = 1.

ENDLOOP.

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

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


*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_OA_STR, 
PERSON_NO TYPE STRING,
VALID_DATE TYPE STRING,
FROM_DATE TYPE STRING,
TO_DATE 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,
ENROLLED TYPE STRING,
CUR_BEGDA TYPE STRING,
CUR_ENDDA TYPE STRING,
NOT_ELIG TYPE STRING,
CURRENCY TYPE STRING,
CURRENCY_ISO TYPE STRING,
PERIOD TYPE STRING,
BEN_OPTION TYPE STRING,
DEP_COVER TYPE STRING,
BEN_COORD TYPE STRING,
ADDT_PROVI TYPE STRING,
POLICY_NO TYPE STRING,
PRETAX_IND TYPE STRING,
EE_COST TYPE STRING,
ER_COST TYPE STRING,
ACTL_COST TYPE STRING,
FLEX_IND TYPE STRING,
EOI_ENDGRA TYPE STRING,
EOI_REQIRD TYPE STRING,
EOI_PROVEN TYPE STRING,
PRETAX_OPT TYPE STRING,
DEP_RELEV TYPE STRING,
MAX_NO_DEP TYPE STRING,
CHG_BPLAN TYPE STRING,
ADD_BPLAN TYPE STRING,
DEL_BPLAN TYPE STRING,
CHG_BOPTI TYPE STRING,
CHG_DEPCV TYPE STRING,
CHG_DEPDT TYPE STRING,
TXT_BAREA TYPE STRING,
TXT_PCATEG TYPE STRING,
TXT_PLTYPE TYPE STRING,
TXT_PLAN TYPE STRING,
TXT_PERIOD TYPE STRING,
TXT_OPTION TYPE STRING,
TXT_DEPCOV TYPE STRING,
LOCKINDIC TYPE STRING,
ERCST_NOCR TYPE STRING,
CHG_PRETX TYPE STRING,
DED_MODEL TYPE STRING,
DED_MODEL_TXT TYPE STRING,
EVENT TYPE STRING,
URL_PLTYPE TYPE STRING,
TXT_URLPT TYPE STRING,
URL_PLAN TYPE STRING,
TXT_URLPL TYPE STRING,
ADD_PT_CST TYPE STRING,
IMP_INCOME TYPE STRING,
MIN_NO_DEP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIBEN_OA_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_OA_STR-PERSON_NO sy-vline 
WA_BAPIBEN_OA_STR-VALID_DATE sy-vline 
WA_BAPIBEN_OA_STR-FROM_DATE sy-vline 
WA_BAPIBEN_OA_STR-TO_DATE sy-vline 
WA_BAPIBEN_OA_STR-BEN_AREA sy-vline 
WA_BAPIBEN_OA_STR-PLAN_CATEG sy-vline 
WA_BAPIBEN_OA_STR-PLAN_TYPE sy-vline 
WA_BAPIBEN_OA_STR-BEN_PLAN sy-vline 
WA_BAPIBEN_OA_STR-ELIG_DATE sy-vline 
WA_BAPIBEN_OA_STR-PART_DATE sy-vline 
WA_BAPIBEN_OA_STR-ENROLL_TYP sy-vline 
WA_BAPIBEN_OA_STR-ENROLLED sy-vline 
WA_BAPIBEN_OA_STR-CUR_BEGDA sy-vline 
WA_BAPIBEN_OA_STR-CUR_ENDDA sy-vline 
WA_BAPIBEN_OA_STR-NOT_ELIG sy-vline 
WA_BAPIBEN_OA_STR-CURRENCY sy-vline 
WA_BAPIBEN_OA_STR-CURRENCY_ISO sy-vline 
WA_BAPIBEN_OA_STR-PERIOD sy-vline 
WA_BAPIBEN_OA_STR-BEN_OPTION sy-vline 
WA_BAPIBEN_OA_STR-DEP_COVER sy-vline 
WA_BAPIBEN_OA_STR-BEN_COORD sy-vline 
WA_BAPIBEN_OA_STR-ADDT_PROVI sy-vline 
WA_BAPIBEN_OA_STR-POLICY_NO sy-vline 
WA_BAPIBEN_OA_STR-PRETAX_IND sy-vline 
WA_BAPIBEN_OA_STR-EE_COST sy-vline 
WA_BAPIBEN_OA_STR-ER_COST sy-vline 
WA_BAPIBEN_OA_STR-ACTL_COST sy-vline 
WA_BAPIBEN_OA_STR-FLEX_IND sy-vline 
WA_BAPIBEN_OA_STR-EOI_ENDGRA sy-vline 
WA_BAPIBEN_OA_STR-EOI_REQIRD sy-vline 
WA_BAPIBEN_OA_STR-EOI_PROVEN sy-vline 
WA_BAPIBEN_OA_STR-PRETAX_OPT sy-vline 
WA_BAPIBEN_OA_STR-DEP_RELEV sy-vline 
WA_BAPIBEN_OA_STR-MAX_NO_DEP sy-vline 
WA_BAPIBEN_OA_STR-CHG_BPLAN sy-vline 
WA_BAPIBEN_OA_STR-ADD_BPLAN sy-vline 
WA_BAPIBEN_OA_STR-DEL_BPLAN sy-vline 
WA_BAPIBEN_OA_STR-CHG_BOPTI sy-vline 
WA_BAPIBEN_OA_STR-CHG_DEPCV sy-vline 
WA_BAPIBEN_OA_STR-CHG_DEPDT sy-vline 
WA_BAPIBEN_OA_STR-TXT_BAREA sy-vline 
WA_BAPIBEN_OA_STR-TXT_PCATEG sy-vline 
WA_BAPIBEN_OA_STR-TXT_PLTYPE sy-vline 
WA_BAPIBEN_OA_STR-TXT_PLAN sy-vline 
WA_BAPIBEN_OA_STR-TXT_PERIOD sy-vline 
WA_BAPIBEN_OA_STR-TXT_OPTION sy-vline 
WA_BAPIBEN_OA_STR-TXT_DEPCOV sy-vline 
WA_BAPIBEN_OA_STR-LOCKINDIC sy-vline 
WA_BAPIBEN_OA_STR-ERCST_NOCR sy-vline 
WA_BAPIBEN_OA_STR-CHG_PRETX sy-vline 
WA_BAPIBEN_OA_STR-DED_MODEL sy-vline 
WA_BAPIBEN_OA_STR-DED_MODEL_TXT sy-vline 
WA_BAPIBEN_OA_STR-EVENT sy-vline 
WA_BAPIBEN_OA_STR-URL_PLTYPE sy-vline 
WA_BAPIBEN_OA_STR-TXT_URLPT sy-vline 
WA_BAPIBEN_OA_STR-URL_PLAN sy-vline 
WA_BAPIBEN_OA_STR-TXT_URLPL sy-vline 
WA_BAPIBEN_OA_STR-ADD_PT_CST sy-vline 
WA_BAPIBEN_OA_STR-IMP_INCOME sy-vline 
WA_BAPIBEN_OA_STR-MIN_NO_DEP sy-vline      INTO ld_text SEPARATED BY SPACE.

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