ABAP Select data from SAP table BAPI1300ADDCH_MXX into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI1300ADDCH_MXX 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 BAPI1300ADDCH_MXX. 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 BAPI1300ADDCH_MXX 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_BAPI1300ADDCH_MXX TYPE STANDARD TABLE OF BAPI1300ADDCH_MXX,
      WA_BAPI1300ADDCH_MXX TYPE BAPI1300ADDCH_MXX,
      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: <BAPI1300ADDCH_MXX> TYPE BAPI1300ADDCH_MXX.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPI1300ADDCH_MXX.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPI1300ADDCH_MXX
  INTO TABLE IT_BAPI1300ADDCH_MXX.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI1300ADDCH_MXX
*  INTO TABLE @DATA(IT_BAPI1300ADDCH_MXX2).
*--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_BAPI1300ADDCH_MXX INDEX 1 INTO DATA(WA_BAPI1300ADDCH_MXX2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPI1300ADDCH_MXX ASSIGNING <BAPI1300ADDCH_MXX>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI1300ADDCH_MXX>-CLIENT = 1.
<BAPI1300ADDCH_MXX>-INSTITUTION = 1.
<BAPI1300ADDCH_MXX>-SRVCATID = 1.
<BAPI1300ADDCH_MXX>-SERVICEID = 1.
<BAPI1300ADDCH_MXX>-BILL_CATEGORY = 1.

ENDLOOP.

LOOP AT IT_BAPI1300ADDCH_MXX INTO WA_BAPI1300ADDCH_MXX.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI1300ADDCH_MXX-FROM_DATE, sy-vline,
  WA_BAPI1300ADDCH_MXX-SERVICE_QUANTITY, sy-vline,
  WA_BAPI1300ADDCH_MXX-SERVICE_QUANTITYX, sy-vline,
  WA_BAPI1300ADDCH_MXX-NUMBER_OF_TIMEUNIT, sy-vline,
  WA_BAPI1300ADDCH_MXX-NUMBER_OF_TIMEUNITX, sy-vline,
  WA_BAPI1300ADDCH_MXX-UNITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI1300ADDCH_MXX 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_BAPI1300ADDCH_MXX 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_BAPI1300ADDCH_MXX INTO WA_BAPI1300ADDCH_MXX.


*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 INSTITUTION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1300ADDCH_MXX-INSTITUTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1300ADDCH_MXX-INSTITUTION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SRVCATID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1300ADDCH_MXX-SRVCATID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1300ADDCH_MXX-SRVCATID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SERVICEID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1300ADDCH_MXX-SERVICEID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1300ADDCH_MXX-SERVICEID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RES_SERVICEID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1300ADDCH_MXX-RES_SERVICEID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1300ADDCH_MXX-RES_SERVICEID.
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_BAPI1300ADDCH_MXX_STR, 
CLIENT TYPE STRING,
INSTITUTION TYPE STRING,
SRVCATID TYPE STRING,
SERVICEID TYPE STRING,
BILL_CATEGORY TYPE STRING,
FROM_DATE TYPE STRING,
SERVICE_QUANTITY TYPE STRING,
SERVICE_QUANTITYX TYPE STRING,
NUMBER_OF_TIMEUNIT TYPE STRING,
NUMBER_OF_TIMEUNITX TYPE STRING,
UNITY TYPE STRING,
UNITYX TYPE STRING,
RES_SERVICEID TYPE STRING,
RES_SERVICEIDX TYPE STRING,
TO_DATE TYPE STRING,
TO_DATEX TYPE STRING,
CREATION_DATE TYPE STRING,
CREATION_DATEX TYPE STRING,
CREATION_USER TYPE STRING,
CREATION_USERX TYPE STRING,
CREATION_TIME TYPE STRING,
CREATION_TIMEX TYPE STRING,
UPDATE_DATE TYPE STRING,
UPDATE_DATEX TYPE STRING,
UPDATE_USER TYPE STRING,
UPDATE_USERX TYPE STRING,
UPDATE_TIME TYPE STRING,
UPDATE_TIMEX TYPE STRING,
VERS_NAME_TM_INS TYPE STRING,
VERS_NAME_TM_INSX TYPE STRING,
VERS_NAME_TM_UPD TYPE STRING,
VERS_NAME_TM_UPDX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI1300ADDCH_MXX_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_BAPI1300ADDCH_MXX_STR-CLIENT sy-vline 
WA_BAPI1300ADDCH_MXX_STR-INSTITUTION sy-vline 
WA_BAPI1300ADDCH_MXX_STR-SRVCATID sy-vline 
WA_BAPI1300ADDCH_MXX_STR-SERVICEID sy-vline 
WA_BAPI1300ADDCH_MXX_STR-BILL_CATEGORY sy-vline 
WA_BAPI1300ADDCH_MXX_STR-FROM_DATE sy-vline 
WA_BAPI1300ADDCH_MXX_STR-SERVICE_QUANTITY sy-vline 
WA_BAPI1300ADDCH_MXX_STR-SERVICE_QUANTITYX sy-vline 
WA_BAPI1300ADDCH_MXX_STR-NUMBER_OF_TIMEUNIT sy-vline 
WA_BAPI1300ADDCH_MXX_STR-NUMBER_OF_TIMEUNITX sy-vline 
WA_BAPI1300ADDCH_MXX_STR-UNITY sy-vline 
WA_BAPI1300ADDCH_MXX_STR-UNITYX sy-vline 
WA_BAPI1300ADDCH_MXX_STR-RES_SERVICEID sy-vline 
WA_BAPI1300ADDCH_MXX_STR-RES_SERVICEIDX sy-vline 
WA_BAPI1300ADDCH_MXX_STR-TO_DATE sy-vline 
WA_BAPI1300ADDCH_MXX_STR-TO_DATEX sy-vline 
WA_BAPI1300ADDCH_MXX_STR-CREATION_DATE sy-vline 
WA_BAPI1300ADDCH_MXX_STR-CREATION_DATEX sy-vline 
WA_BAPI1300ADDCH_MXX_STR-CREATION_USER sy-vline 
WA_BAPI1300ADDCH_MXX_STR-CREATION_USERX sy-vline 
WA_BAPI1300ADDCH_MXX_STR-CREATION_TIME sy-vline 
WA_BAPI1300ADDCH_MXX_STR-CREATION_TIMEX sy-vline 
WA_BAPI1300ADDCH_MXX_STR-UPDATE_DATE sy-vline 
WA_BAPI1300ADDCH_MXX_STR-UPDATE_DATEX sy-vline 
WA_BAPI1300ADDCH_MXX_STR-UPDATE_USER sy-vline 
WA_BAPI1300ADDCH_MXX_STR-UPDATE_USERX sy-vline 
WA_BAPI1300ADDCH_MXX_STR-UPDATE_TIME sy-vline 
WA_BAPI1300ADDCH_MXX_STR-UPDATE_TIMEX sy-vline 
WA_BAPI1300ADDCH_MXX_STR-VERS_NAME_TM_INS sy-vline 
WA_BAPI1300ADDCH_MXX_STR-VERS_NAME_TM_INSX sy-vline 
WA_BAPI1300ADDCH_MXX_STR-VERS_NAME_TM_UPD sy-vline 
WA_BAPI1300ADDCH_MXX_STR-VERS_NAME_TM_UPDX sy-vline      INTO ld_text SEPARATED BY SPACE.

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