ABAP Select data from SAP table /SCMB/ALFBKH7162 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCMB/ALFBKH7162 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 /SCMB/ALFBKH7162. 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 /SCMB/ALFBKH7162 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_/SCMB/ALFBKH7162 TYPE STANDARD TABLE OF /SCMB/ALFBKH7162,
      WA_/SCMB/ALFBKH7162 TYPE /SCMB/ALFBKH7162,
      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: </SCMB/ALFBKH7162> TYPE /SCMB/ALFBKH7162.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SCMB/ALFBKH7162.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCMB/ALFBKH7162
  INTO TABLE IT_/SCMB/ALFBKH7162.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMB/ALFBKH7162
*  INTO TABLE @DATA(IT_/SCMB/ALFBKH71622).
*--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_/SCMB/ALFBKH7162 INDEX 1 INTO DATA(WA_/SCMB/ALFBKH71622).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCMB/ALFBKH7162 ASSIGNING </SCMB/ALFBKH7162>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMB/ALFBKH7162>-MANDT = 1.
</SCMB/ALFBKH7162>-AID = 1.
</SCMB/ALFBKH7162>-ALTRACKID = 1.
</SCMB/ALFBKH7162>-UNAME = 1.
</SCMB/ALFBKH7162>-PRTID = 1.

ENDLOOP.

LOOP AT IT_/SCMB/ALFBKH7162 INTO WA_/SCMB/ALFBKH7162.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMB/ALFBKH7162-PLANNER, sy-vline,
  WA_/SCMB/ALFBKH7162-ACK, sy-vline,
  WA_/SCMB/ALFBKH7162-ACKTST, sy-vline,
  WA_/SCMB/ALFBKH7162-SEND, sy-vline,
  WA_/SCMB/ALFBKH7162-SENDTST, sy-vline,
  WA_/SCMB/ALFBKH7162-SENDANPID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMB/ALFBKH7162 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_/SCMB/ALFBKH7162 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_/SCMB/ALFBKH7162 INTO WA_/SCMB/ALFBKH7162.


*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 TSTPS, internal->external for field ACKTST
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SCMB/ALFBKH7162-ACKTST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMB/ALFBKH7162-ACKTST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field SENDTST
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SCMB/ALFBKH7162-SENDTST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMB/ALFBKH7162-SENDTST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field STATUSTST
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SCMB/ALFBKH7162-STATUSTST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMB/ALFBKH7162-STATUSTST.
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_/SCMB/ALFBKH7162_STR, 
MANDT TYPE STRING,
AID TYPE STRING,
ALTRACKID TYPE STRING,
UNAME TYPE STRING,
PRTID TYPE STRING,
PLANNER TYPE STRING,
ACK TYPE STRING,
ACKTST TYPE STRING,
SEND TYPE STRING,
SENDTST TYPE STRING,
SENDANPID TYPE STRING,
STATUS TYPE STRING,
STATUSTST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMB/ALFBKH7162_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_/SCMB/ALFBKH7162_STR-MANDT sy-vline 
WA_/SCMB/ALFBKH7162_STR-AID sy-vline 
WA_/SCMB/ALFBKH7162_STR-ALTRACKID sy-vline 
WA_/SCMB/ALFBKH7162_STR-UNAME sy-vline 
WA_/SCMB/ALFBKH7162_STR-PRTID sy-vline 
WA_/SCMB/ALFBKH7162_STR-PLANNER sy-vline 
WA_/SCMB/ALFBKH7162_STR-ACK sy-vline 
WA_/SCMB/ALFBKH7162_STR-ACKTST sy-vline 
WA_/SCMB/ALFBKH7162_STR-SEND sy-vline 
WA_/SCMB/ALFBKH7162_STR-SENDTST sy-vline 
WA_/SCMB/ALFBKH7162_STR-SENDANPID sy-vline 
WA_/SCMB/ALFBKH7162_STR-STATUS sy-vline 
WA_/SCMB/ALFBKH7162_STR-STATUSTST sy-vline      INTO ld_text SEPARATED BY SPACE.

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