ABAP Select data from SAP table MPO_AC_LIST_TIMEDEP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MPO_AC_LIST_TIMEDEP
*  INTO TABLE @DATA(IT_MPO_AC_LIST_TIMEDEP2).
*--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_MPO_AC_LIST_TIMEDEP INDEX 1 INTO DATA(WA_MPO_AC_LIST_TIMEDEP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MPO_AC_LIST_TIMEDEP>-BDATU = 1.
<MPO_AC_LIST_TIMEDEP>-ADATU = 1.
<MPO_AC_LIST_TIMEDEP>-KOSTL = 1.
<MPO_AC_LIST_TIMEDEP>-WERKS = 1.
<MPO_AC_LIST_TIMEDEP>-GSBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MPO_AC_LIST_TIMEDEP-LSTAR, sy-vline,
  WA_MPO_AC_LIST_TIMEDEP-MSFAK, sy-vline,
  WA_MPO_AC_LIST_TIMEDEP-XSTIL, sy-vline,
  WA_MPO_AC_LIST_TIMEDEP-STORT, sy-vline,
  WA_MPO_AC_LIST_TIMEDEP-CAUFN, sy-vline,
  WA_MPO_AC_LIST_TIMEDEP-RAUMN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MPO_AC_LIST_TIMEDEP 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_MPO_AC_LIST_TIMEDEP 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_MPO_AC_LIST_TIMEDEP INTO WA_MPO_AC_LIST_TIMEDEP.


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

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

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

*Conversion exit ALPHA, internal->external for field KOSTLV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MPO_AC_LIST_TIMEDEP-KOSTLV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPO_AC_LIST_TIMEDEP-KOSTLV.
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_MPO_AC_LIST_TIMEDEP_STR, 
BDATU TYPE STRING,
ADATU TYPE STRING,
KOSTL TYPE STRING,
WERKS TYPE STRING,
GSBER TYPE STRING,
LSTAR TYPE STRING,
MSFAK TYPE STRING,
XSTIL TYPE STRING,
STORT TYPE STRING,
CAUFN TYPE STRING,
RAUMN TYPE STRING,
IAUFN TYPE STRING,
TXJCD TYPE STRING,
KFZKZ TYPE STRING,
PERNR TYPE STRING,
KOSTLV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MPO_AC_LIST_TIMEDEP_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_MPO_AC_LIST_TIMEDEP_STR-BDATU sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-ADATU sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-KOSTL sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-WERKS sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-GSBER sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-LSTAR sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-MSFAK sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-XSTIL sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-STORT sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-CAUFN sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-RAUMN sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-IAUFN sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-TXJCD sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-KFZKZ sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-PERNR sy-vline 
WA_MPO_AC_LIST_TIMEDEP_STR-KOSTLV sy-vline      INTO ld_text SEPARATED BY SPACE.

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