ABAP Select data from SAP table BCA_STR_DIM_WAIVER_ACTIVAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BCA_STR_DIM_WAIVER_ACTIVAT
*  INTO TABLE @DATA(IT_BCA_STR_DIM_WAIVER_ACTIVAT2).
*--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_BCA_STR_DIM_WAIVER_ACTIVAT INDEX 1 INTO DATA(WA_BCA_STR_DIM_WAIVER_ACTIVAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BCA_STR_DIM_WAIVER_ACTIVAT>-CONTRACT_INT = 1.
<BCA_STR_DIM_WAIVER_ACTIVAT>-ACNUM_EXT = 1.
<BCA_STR_DIM_WAIVER_ACTIVAT>-BANKLAND = 1.
<BCA_STR_DIM_WAIVER_ACTIVAT>-BANKKEY = 1.
<BCA_STR_DIM_WAIVER_ACTIVAT>-CN_CUR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BCA_STR_DIM_WAIVER_ACTIVAT-CN_USAGE, sy-vline,
  WA_BCA_STR_DIM_WAIVER_ACTIVAT-IBAN, sy-vline,
  WA_BCA_STR_DIM_WAIVER_ACTIVAT-REASON_ACTV, sy-vline,
  WA_BCA_STR_DIM_WAIVER_ACTIVAT-REASON_RVRS, sy-vline,
  WA_BCA_STR_DIM_WAIVER_ACTIVAT-CORR_ACTV, sy-vline,
  WA_BCA_STR_DIM_WAIVER_ACTIVAT-CORR_RVRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BCA_STR_DIM_WAIVER_ACTIVAT 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_BCA_STR_DIM_WAIVER_ACTIVAT 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_BCA_STR_DIM_WAIVER_ACTIVAT INTO WA_BCA_STR_DIM_WAIVER_ACTIVAT.


*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_BCA_STR_DIM_WAIVER_ACTIVAT_STR, 
CONTRACT_INT TYPE STRING,
ACNUM_EXT TYPE STRING,
BANKLAND TYPE STRING,
BANKKEY TYPE STRING,
CN_CUR TYPE STRING,
CN_USAGE TYPE STRING,
IBAN TYPE STRING,
REASON_ACTV TYPE STRING,
REASON_RVRS TYPE STRING,
CORR_ACTV TYPE STRING,
CORR_RVRS TYPE STRING,
AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
REP_WAIV_ITEM_ID TYPE STRING,
OPEN_ITEMS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BCA_STR_DIM_WAIVER_ACTIVAT_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_BCA_STR_DIM_WAIVER_ACTIVAT_STR-CONTRACT_INT sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-ACNUM_EXT sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-BANKLAND sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-BANKKEY sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-CN_CUR sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-CN_USAGE sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-IBAN sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-REASON_ACTV sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-REASON_RVRS sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-CORR_ACTV sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-CORR_RVRS sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-AMOUNT sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-CURRENCY sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-REP_WAIV_ITEM_ID sy-vline 
WA_BCA_STR_DIM_WAIVER_ACTIVAT_STR-OPEN_ITEMS sy-vline      INTO ld_text SEPARATED BY SPACE.

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