ABAP Select data from SAP table EAM_S_NOTIF_MIG_EXTD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EAM_S_NOTIF_MIG_EXTD
*  INTO TABLE @DATA(IT_EAM_S_NOTIF_MIG_EXTD2).
*--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_EAM_S_NOTIF_MIG_EXTD INDEX 1 INTO DATA(WA_EAM_S_NOTIF_MIG_EXTD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EAM_S_NOTIF_MIG_EXTD>-ADRNR = 1.
<EAM_S_NOTIF_MIG_EXTD>-PLNNR = 1.
<EAM_S_NOTIF_MIG_EXTD>-PPSID = 1.
<EAM_S_NOTIF_MIG_EXTD>-STORT = 1.
<EAM_S_NOTIF_MIG_EXTD>-MSGRP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EAM_S_NOTIF_MIG_EXTD-BEBER, sy-vline,
  WA_EAM_S_NOTIF_MIG_EXTD-BUKRS, sy-vline,
  WA_EAM_S_NOTIF_MIG_EXTD-GSBER, sy-vline,
  WA_EAM_S_NOTIF_MIG_EXTD-KOSTL, sy-vline,
  WA_EAM_S_NOTIF_MIG_EXTD-ANLNR, sy-vline,
  WA_EAM_S_NOTIF_MIG_EXTD-ANLUN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EAM_S_NOTIF_MIG_EXTD 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_EAM_S_NOTIF_MIG_EXTD 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_EAM_S_NOTIF_MIG_EXTD INTO WA_EAM_S_NOTIF_MIG_EXTD.


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

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

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

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

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

*Conversion exit ABPSP, internal->external for field PSP_NR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_EAM_S_NOTIF_MIG_EXTD-PSP_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAM_S_NOTIF_MIG_EXTD-PSP_NR.
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_EAM_S_NOTIF_MIG_EXTD_STR, 
ADRNR TYPE STRING,
PLNNR TYPE STRING,
PPSID TYPE STRING,
STORT TYPE STRING,
MSGRP TYPE STRING,
BEBER TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
KOSTL TYPE STRING,
ANLNR TYPE STRING,
ANLUN TYPE STRING,
PSP_NR TYPE STRING,
AUSZT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EAM_S_NOTIF_MIG_EXTD_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_EAM_S_NOTIF_MIG_EXTD_STR-ADRNR sy-vline 
WA_EAM_S_NOTIF_MIG_EXTD_STR-PLNNR sy-vline 
WA_EAM_S_NOTIF_MIG_EXTD_STR-PPSID sy-vline 
WA_EAM_S_NOTIF_MIG_EXTD_STR-STORT sy-vline 
WA_EAM_S_NOTIF_MIG_EXTD_STR-MSGRP sy-vline 
WA_EAM_S_NOTIF_MIG_EXTD_STR-BEBER sy-vline 
WA_EAM_S_NOTIF_MIG_EXTD_STR-BUKRS sy-vline 
WA_EAM_S_NOTIF_MIG_EXTD_STR-GSBER sy-vline 
WA_EAM_S_NOTIF_MIG_EXTD_STR-KOSTL sy-vline 
WA_EAM_S_NOTIF_MIG_EXTD_STR-ANLNR sy-vline 
WA_EAM_S_NOTIF_MIG_EXTD_STR-ANLUN sy-vline 
WA_EAM_S_NOTIF_MIG_EXTD_STR-PSP_NR sy-vline 
WA_EAM_S_NOTIF_MIG_EXTD_STR-AUSZT sy-vline      INTO ld_text SEPARATED BY SPACE.

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