ABAP Select data from SAP table BAPICCARDM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPICCARDM
*  INTO TABLE @DATA(IT_BAPICCARDM2).
*--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_BAPICCARDM INDEX 1 INTO DATA(WA_BAPICCARDM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPICCARDM>-OPERATION = 1.
<BAPICCARDM>-SD_DOC = 1.
<BAPICCARDM>-CC_TYPE = 1.
<BAPICCARDM>-CC_NUMBER = 1.
<BAPICCARDM>-CC_VALID_F = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPICCARDM-CC_VALID_T, sy-vline,
  WA_BAPICCARDM-CC_NAME, sy-vline,
  WA_BAPICCARDM-DATAORIGIN, sy-vline,
  WA_BAPICCARDM-AUTHAMOUNT, sy-vline,
  WA_BAPICCARDM-CURRENCY, sy-vline,
  WA_BAPICCARDM-CURR_ISO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPICCARDM 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_BAPICCARDM 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_BAPICCARDM INTO WA_BAPICCARDM.


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

*Conversion exit ALPHA, internal->external for field SETTLEMRUN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPICCARDM-SETTLEMRUN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPICCARDM-SETTLEMRUN.
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_BAPICCARDM_STR, 
OPERATION TYPE STRING,
SD_DOC TYPE STRING,
CC_TYPE TYPE STRING,
CC_NUMBER TYPE STRING,
CC_VALID_F TYPE STRING,
CC_VALID_T TYPE STRING,
CC_NAME TYPE STRING,
DATAORIGIN TYPE STRING,
AUTHAMOUNT TYPE STRING,
CURRENCY TYPE STRING,
CURR_ISO TYPE STRING,
CC_SETTLED TYPE STRING,
AUTH_CC_NO TYPE STRING,
AUTH_REFNO TYPE STRING,
AUTH_DATE TYPE STRING,
AUTH_TIME TYPE STRING,
MERCHIDCL TYPE STRING,
PNTOFRECEI TYPE STRING,
TERMINAL TYPE STRING,
SETTLEMRUN TYPE STRING,
CARDCATEGO TYPE STRING,
AUTHORTYPE TYPE STRING,
STATEXTSYS TYPE STRING,
CC_REACT TYPE STRING,
AMOUNTAUTH TYPE STRING,
CURR_CRED TYPE STRING,
CURCREDISO TYPE STRING,
AUTH_EXPIR TYPE STRING,
AMOUNTCHAN TYPE STRING,
PRE_AUTH TYPE STRING,
HIGHLEAUTH TYPE STRING,
RADRCHECK1 TYPE STRING,
RADRCHECK2 TYPE STRING,
RADRCHECK3 TYPE STRING,
RCARDCHECK TYPE STRING,
REASONTEXT TYPE STRING,
CC_LIMIT TYPE STRING,
AUTH_USED TYPE STRING,
CC_LIMITED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPICCARDM_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_BAPICCARDM_STR-OPERATION sy-vline 
WA_BAPICCARDM_STR-SD_DOC sy-vline 
WA_BAPICCARDM_STR-CC_TYPE sy-vline 
WA_BAPICCARDM_STR-CC_NUMBER sy-vline 
WA_BAPICCARDM_STR-CC_VALID_F sy-vline 
WA_BAPICCARDM_STR-CC_VALID_T sy-vline 
WA_BAPICCARDM_STR-CC_NAME sy-vline 
WA_BAPICCARDM_STR-DATAORIGIN sy-vline 
WA_BAPICCARDM_STR-AUTHAMOUNT sy-vline 
WA_BAPICCARDM_STR-CURRENCY sy-vline 
WA_BAPICCARDM_STR-CURR_ISO sy-vline 
WA_BAPICCARDM_STR-CC_SETTLED sy-vline 
WA_BAPICCARDM_STR-AUTH_CC_NO sy-vline 
WA_BAPICCARDM_STR-AUTH_REFNO sy-vline 
WA_BAPICCARDM_STR-AUTH_DATE sy-vline 
WA_BAPICCARDM_STR-AUTH_TIME sy-vline 
WA_BAPICCARDM_STR-MERCHIDCL sy-vline 
WA_BAPICCARDM_STR-PNTOFRECEI sy-vline 
WA_BAPICCARDM_STR-TERMINAL sy-vline 
WA_BAPICCARDM_STR-SETTLEMRUN sy-vline 
WA_BAPICCARDM_STR-CARDCATEGO sy-vline 
WA_BAPICCARDM_STR-AUTHORTYPE sy-vline 
WA_BAPICCARDM_STR-STATEXTSYS sy-vline 
WA_BAPICCARDM_STR-CC_REACT sy-vline 
WA_BAPICCARDM_STR-AMOUNTAUTH sy-vline 
WA_BAPICCARDM_STR-CURR_CRED sy-vline 
WA_BAPICCARDM_STR-CURCREDISO sy-vline 
WA_BAPICCARDM_STR-AUTH_EXPIR sy-vline 
WA_BAPICCARDM_STR-AMOUNTCHAN sy-vline 
WA_BAPICCARDM_STR-PRE_AUTH sy-vline 
WA_BAPICCARDM_STR-HIGHLEAUTH sy-vline 
WA_BAPICCARDM_STR-RADRCHECK1 sy-vline 
WA_BAPICCARDM_STR-RADRCHECK2 sy-vline 
WA_BAPICCARDM_STR-RADRCHECK3 sy-vline 
WA_BAPICCARDM_STR-RCARDCHECK sy-vline 
WA_BAPICCARDM_STR-REASONTEXT sy-vline 
WA_BAPICCARDM_STR-CC_LIMIT sy-vline 
WA_BAPICCARDM_STR-AUTH_USED sy-vline 
WA_BAPICCARDM_STR-CC_LIMITED sy-vline      INTO ld_text SEPARATED BY SPACE.

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