ABAP Select data from SAP table BBPS_LA_MESSAGE_STATUS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BBPS_LA_MESSAGE_STATUS
*  INTO TABLE @DATA(IT_BBPS_LA_MESSAGE_STATUS2).
*--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_BBPS_LA_MESSAGE_STATUS INDEX 1 INTO DATA(WA_BBPS_LA_MESSAGE_STATUS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BBPS_LA_MESSAGE_STATUS>-AUC_GUID = 1.
<BBPS_LA_MESSAGE_STATUS>-CLIENT_GUID = 1.
<BBPS_LA_MESSAGE_STATUS>-LANGUAGE = 1.
<BBPS_LA_MESSAGE_STATUS>-USER_ID = 1.
<BBPS_LA_MESSAGE_STATUS>-PARTNER_GUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BBPS_LA_MESSAGE_STATUS-COMPANY_GUID, sy-vline,
  WA_BBPS_LA_MESSAGE_STATUS-CONNCT_STATUS, sy-vline,
  WA_BBPS_LA_MESSAGE_STATUS-CLIENT_TYPE, sy-vline,
  WA_BBPS_LA_MESSAGE_STATUS-SEQ_NO, sy-vline,
  WA_BBPS_LA_MESSAGE_STATUS-CHANGED_AT, sy-vline,
  WA_BBPS_LA_MESSAGE_STATUS-TZONE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BBPS_LA_MESSAGE_STATUS 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_BBPS_LA_MESSAGE_STATUS 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_BBPS_LA_MESSAGE_STATUS INTO WA_BBPS_LA_MESSAGE_STATUS.


*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 ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_BBPS_LA_MESSAGE_STATUS-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBPS_LA_MESSAGE_STATUS-LANGUAGE.
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_BBPS_LA_MESSAGE_STATUS_STR, 
AUC_GUID TYPE STRING,
CLIENT_GUID TYPE STRING,
LANGUAGE TYPE STRING,
USER_ID TYPE STRING,
PARTNER_GUID TYPE STRING,
COMPANY_GUID TYPE STRING,
CONNCT_STATUS TYPE STRING,
CLIENT_TYPE TYPE STRING,
SEQ_NO TYPE STRING,
CHANGED_AT TYPE STRING,
TZONE TYPE STRING,
NUM_MESSAGES_UNSEQUENCED TYPE STRING,
NUM_MESSAGES_SEQUENCED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BBPS_LA_MESSAGE_STATUS_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_BBPS_LA_MESSAGE_STATUS_STR-AUC_GUID sy-vline 
WA_BBPS_LA_MESSAGE_STATUS_STR-CLIENT_GUID sy-vline 
WA_BBPS_LA_MESSAGE_STATUS_STR-LANGUAGE sy-vline 
WA_BBPS_LA_MESSAGE_STATUS_STR-USER_ID sy-vline 
WA_BBPS_LA_MESSAGE_STATUS_STR-PARTNER_GUID sy-vline 
WA_BBPS_LA_MESSAGE_STATUS_STR-COMPANY_GUID sy-vline 
WA_BBPS_LA_MESSAGE_STATUS_STR-CONNCT_STATUS sy-vline 
WA_BBPS_LA_MESSAGE_STATUS_STR-CLIENT_TYPE sy-vline 
WA_BBPS_LA_MESSAGE_STATUS_STR-SEQ_NO sy-vline 
WA_BBPS_LA_MESSAGE_STATUS_STR-CHANGED_AT sy-vline 
WA_BBPS_LA_MESSAGE_STATUS_STR-TZONE sy-vline 
WA_BBPS_LA_MESSAGE_STATUS_STR-NUM_MESSAGES_UNSEQUENCED sy-vline 
WA_BBPS_LA_MESSAGE_STATUS_STR-NUM_MESSAGES_SEQUENCED sy-vline      INTO ld_text SEPARATED BY SPACE.

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