ABAP Select data from SAP table MERE_OUTTAB_ME14 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MERE_OUTTAB_ME14 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 MERE_OUTTAB_ME14. 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 MERE_OUTTAB_ME14 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_MERE_OUTTAB_ME14 TYPE STANDARD TABLE OF MERE_OUTTAB_ME14,
      WA_MERE_OUTTAB_ME14 TYPE MERE_OUTTAB_ME14,
      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: <MERE_OUTTAB_ME14> TYPE MERE_OUTTAB_ME14.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_MERE_OUTTAB_ME14.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM MERE_OUTTAB_ME14
  INTO TABLE IT_MERE_OUTTAB_ME14.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MERE_OUTTAB_ME14
*  INTO TABLE @DATA(IT_MERE_OUTTAB_ME142).
*--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_MERE_OUTTAB_ME14 INDEX 1 INTO DATA(WA_MERE_OUTTAB_ME142).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_MERE_OUTTAB_ME14 ASSIGNING <MERE_OUTTAB_ME14>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MERE_OUTTAB_ME14>-EKORG = 1.
<MERE_OUTTAB_ME14>-ESOKZ = 1.
<MERE_OUTTAB_ME14>-WERKS = 1.
<MERE_OUTTAB_ME14>-TABTEXT = 1.
<MERE_OUTTAB_ME14>-AKTION = 1.

ENDLOOP.

LOOP AT IT_MERE_OUTTAB_ME14 INTO WA_MERE_OUTTAB_ME14.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MERE_OUTTAB_ME14-FTEXT, sy-vline,
  WA_MERE_OUTTAB_ME14-VALUEOLD, sy-vline,
  WA_MERE_OUTTAB_ME14-VALUENEW, sy-vline,
  WA_MERE_OUTTAB_ME14-USERNAME, sy-vline,
  WA_MERE_OUTTAB_ME14-UDATE, sy-vline,
  WA_MERE_OUTTAB_ME14-UTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MERE_OUTTAB_ME14 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_MERE_OUTTAB_ME14 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_MERE_OUTTAB_ME14 INTO WA_MERE_OUTTAB_ME14.


*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 CHANGENR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MERE_OUTTAB_ME14-CHANGENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MERE_OUTTAB_ME14-CHANGENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRACHE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_MERE_OUTTAB_ME14-SPRACHE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MERE_OUTTAB_ME14-SPRACHE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MERE_OUTTAB_ME14-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MERE_OUTTAB_ME14-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MERE_OUTTAB_ME14-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MERE_OUTTAB_ME14-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MERE_OUTTAB_ME14-INFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MERE_OUTTAB_ME14-INFNR.
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_MERE_OUTTAB_ME14_STR, 
EKORG TYPE STRING,
ESOKZ TYPE STRING,
WERKS TYPE STRING,
TABTEXT TYPE STRING,
AKTION TYPE STRING,
FTEXT TYPE STRING,
VALUEOLD TYPE STRING,
VALUENEW TYPE STRING,
USERNAME TYPE STRING,
UDATE TYPE STRING,
UTIME TYPE STRING,
CHANGENR TYPE STRING,
SPRACHE TYPE STRING,
GZOLX TYPE STRING,
MATNR TYPE STRING,
LIFNR TYPE STRING,
INFNR TYPE STRING,
TCODE TYPE STRING,
CHNGIND TYPE STRING,
TABNAME TYPE STRING,
FNAME TYPE STRING,
TEXTART TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MERE_OUTTAB_ME14_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_MERE_OUTTAB_ME14_STR-EKORG sy-vline 
WA_MERE_OUTTAB_ME14_STR-ESOKZ sy-vline 
WA_MERE_OUTTAB_ME14_STR-WERKS sy-vline 
WA_MERE_OUTTAB_ME14_STR-TABTEXT sy-vline 
WA_MERE_OUTTAB_ME14_STR-AKTION sy-vline 
WA_MERE_OUTTAB_ME14_STR-FTEXT sy-vline 
WA_MERE_OUTTAB_ME14_STR-VALUEOLD sy-vline 
WA_MERE_OUTTAB_ME14_STR-VALUENEW sy-vline 
WA_MERE_OUTTAB_ME14_STR-USERNAME sy-vline 
WA_MERE_OUTTAB_ME14_STR-UDATE sy-vline 
WA_MERE_OUTTAB_ME14_STR-UTIME sy-vline 
WA_MERE_OUTTAB_ME14_STR-CHANGENR sy-vline 
WA_MERE_OUTTAB_ME14_STR-SPRACHE sy-vline 
WA_MERE_OUTTAB_ME14_STR-GZOLX sy-vline 
WA_MERE_OUTTAB_ME14_STR-MATNR sy-vline 
WA_MERE_OUTTAB_ME14_STR-LIFNR sy-vline 
WA_MERE_OUTTAB_ME14_STR-INFNR sy-vline 
WA_MERE_OUTTAB_ME14_STR-TCODE sy-vline 
WA_MERE_OUTTAB_ME14_STR-CHNGIND sy-vline 
WA_MERE_OUTTAB_ME14_STR-TABNAME sy-vline 
WA_MERE_OUTTAB_ME14_STR-FNAME sy-vline 
WA_MERE_OUTTAB_ME14_STR-TEXTART sy-vline      INTO ld_text SEPARATED BY SPACE.

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