ABAP Select data from SAP table MEOUT_SCHEDULE_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MEOUT_SCHEDULE_DATA
*  INTO TABLE @DATA(IT_MEOUT_SCHEDULE_DATA2).
*--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_MEOUT_SCHEDULE_DATA INDEX 1 INTO DATA(WA_MEOUT_SCHEDULE_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MEOUT_SCHEDULE_DATA>-EBELN = 1.
<MEOUT_SCHEDULE_DATA>-EBELP = 1.
<MEOUT_SCHEDULE_DATA>-ETENR = 1.
<MEOUT_SCHEDULE_DATA>-LPEIN = 1.
<MEOUT_SCHEDULE_DATA>-EINDT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MEOUT_SCHEDULE_DATA-ELPEI, sy-vline,
  WA_MEOUT_SCHEDULE_DATA-EEIND, sy-vline,
  WA_MEOUT_SCHEDULE_DATA-MENGE, sy-vline,
  WA_MEOUT_SCHEDULE_DATA-UZEIT, sy-vline,
  WA_MEOUT_SCHEDULE_DATA-SLFDT, sy-vline,
  WA_MEOUT_SCHEDULE_DATA-BANFN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MEOUT_SCHEDULE_DATA 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_MEOUT_SCHEDULE_DATA 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_MEOUT_SCHEDULE_DATA INTO WA_MEOUT_SCHEDULE_DATA.


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

*Conversion exit ALPHA, internal->external for field BANFN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEOUT_SCHEDULE_DATA-BANFN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEOUT_SCHEDULE_DATA-BANFN.
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_MEOUT_SCHEDULE_DATA_STR, 
EBELN TYPE STRING,
EBELP TYPE STRING,
ETENR TYPE STRING,
LPEIN TYPE STRING,
EINDT TYPE STRING,
ELPEI TYPE STRING,
EEIND TYPE STRING,
MENGE TYPE STRING,
UZEIT TYPE STRING,
SLFDT TYPE STRING,
BANFN TYPE STRING,
BNFPO TYPE STRING,
BEDAT TYPE STRING,
AULWE TYPE STRING,
MBDAT TYPE STRING,
MBUHR TYPE STRING,
LDDAT TYPE STRING,
LDUHR TYPE STRING,
TDDAT TYPE STRING,
TDUHR TYPE STRING,
WADAT TYPE STRING,
WAUHR TYPE STRING,
LOEKZ TYPE STRING,
EBAKZ TYPE STRING,
TMS_REF_UUID TYPE STRING,
DUMMY TYPE STRING,
KEY_ID TYPE STRING,
OTB_VALUE TYPE STRING,
OTB_CURR TYPE STRING,
OTB_RES_VALUE TYPE STRING,
OTB_SPEC_VALUE TYPE STRING,
SPR_RSN_PROFILE TYPE STRING,
BUDG_TYPE TYPE STRING,
OTB_STATUS TYPE STRING,
OTB_REASON TYPE STRING,
CHECK_TYPE TYPE STRING,
DL_ID TYPE STRING,
HANDOVER_DATE TYPE STRING,
NO_SCEM TYPE STRING,
DNG_DATE TYPE STRING,
DNG_TIME TYPE STRING,
CNCL_ANCMNT_DONE TYPE STRING,
DATESHIFT_NUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MEOUT_SCHEDULE_DATA_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_MEOUT_SCHEDULE_DATA_STR-EBELN sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-EBELP sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-ETENR sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-LPEIN sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-EINDT sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-ELPEI sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-EEIND sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-MENGE sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-UZEIT sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-SLFDT sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-BANFN sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-BNFPO sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-BEDAT sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-AULWE sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-MBDAT sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-MBUHR sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-LDDAT sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-LDUHR sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-TDDAT sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-TDUHR sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-WADAT sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-WAUHR sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-LOEKZ sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-EBAKZ sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-TMS_REF_UUID sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-DUMMY sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-KEY_ID sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-OTB_VALUE sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-OTB_CURR sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-OTB_RES_VALUE sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-OTB_SPEC_VALUE sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-SPR_RSN_PROFILE sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-BUDG_TYPE sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-OTB_STATUS sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-OTB_REASON sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-CHECK_TYPE sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-DL_ID sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-HANDOVER_DATE sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-NO_SCEM sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-DNG_DATE sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-DNG_TIME sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-CNCL_ANCMNT_DONE sy-vline 
WA_MEOUT_SCHEDULE_DATA_STR-DATESHIFT_NUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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