ABAP Select data from SAP table ENT5157 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ENT5157 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 ENT5157. 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 ENT5157 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_ENT5157 TYPE STANDARD TABLE OF ENT5157,
      WA_ENT5157 TYPE ENT5157,
      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: <ENT5157> TYPE ENT5157.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ENT5157.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ENT5157
  INTO TABLE IT_ENT5157.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ENT5157
*  INTO TABLE @DATA(IT_ENT51572).
*--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_ENT5157 INDEX 1 INTO DATA(WA_ENT51572).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ENT5157 ASSIGNING <ENT5157>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ENT5157>-MANDT = 1.
<ENT5157>-EBELN = 1.
<ENT5157>-EBELP = 1.
<ENT5157>-BEDAT = 1.
<ENT5157>-MATNR = 1.

ENDLOOP.

LOOP AT IT_ENT5157 INTO WA_ENT5157.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ENT5157-EKORG, sy-vline,
  WA_ENT5157-EMATN, sy-vline,
  WA_ENT5157-WERKS, sy-vline,
  WA_ENT5157-BUKRS, sy-vline,
  WA_ENT5157-BEDNR, sy-vline,
  WA_ENT5157-MATKL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ENT5157 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_ENT5157 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_ENT5157 INTO WA_ENT5157.


*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_ENT5157-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5157-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ENT5157-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5157-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field EMATN
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ENT5157-EMATN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5157-EMATN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ENT5157-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5157-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field LMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ENT5157-LMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5157-LMEIN.
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_ENT5157_STR, 
MANDT TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
BEDAT TYPE STRING,
MATNR TYPE STRING,
EKORG TYPE STRING,
EMATN TYPE STRING,
WERKS TYPE STRING,
BUKRS TYPE STRING,
BEDNR TYPE STRING,
MATKL TYPE STRING,
IDNLF TYPE STRING,
MEINS TYPE STRING,
WEBAZ TYPE STRING,
MAHN1 TYPE STRING,
MAHN2 TYPE STRING,
MAHN3 TYPE STRING,
KTMNG TYPE STRING,
ABMNG TYPE STRING,
UEBTO TYPE STRING,
UEBTK TYPE STRING,
UNTTO TYPE STRING,
LABNR TYPE STRING,
LMEIN TYPE STRING,
KZABS TYPE STRING,
EVERS TYPE STRING,
INSMK TYPE STRING,
LOEKZ TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
MAHNZ TYPE STRING,
NOTKZ TYPE STRING,
AEDAT TYPE STRING,
TXZ01 TYPE STRING,
KZVBR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ENT5157_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_ENT5157_STR-MANDT sy-vline 
WA_ENT5157_STR-EBELN sy-vline 
WA_ENT5157_STR-EBELP sy-vline 
WA_ENT5157_STR-BEDAT sy-vline 
WA_ENT5157_STR-MATNR sy-vline 
WA_ENT5157_STR-EKORG sy-vline 
WA_ENT5157_STR-EMATN sy-vline 
WA_ENT5157_STR-WERKS sy-vline 
WA_ENT5157_STR-BUKRS sy-vline 
WA_ENT5157_STR-BEDNR sy-vline 
WA_ENT5157_STR-MATKL sy-vline 
WA_ENT5157_STR-IDNLF sy-vline 
WA_ENT5157_STR-MEINS sy-vline 
WA_ENT5157_STR-WEBAZ sy-vline 
WA_ENT5157_STR-MAHN1 sy-vline 
WA_ENT5157_STR-MAHN2 sy-vline 
WA_ENT5157_STR-MAHN3 sy-vline 
WA_ENT5157_STR-KTMNG sy-vline 
WA_ENT5157_STR-ABMNG sy-vline 
WA_ENT5157_STR-UEBTO sy-vline 
WA_ENT5157_STR-UEBTK sy-vline 
WA_ENT5157_STR-UNTTO sy-vline 
WA_ENT5157_STR-LABNR sy-vline 
WA_ENT5157_STR-LMEIN sy-vline 
WA_ENT5157_STR-KZABS sy-vline 
WA_ENT5157_STR-EVERS sy-vline 
WA_ENT5157_STR-INSMK sy-vline 
WA_ENT5157_STR-LOEKZ sy-vline 
WA_ENT5157_STR-UMREZ sy-vline 
WA_ENT5157_STR-UMREN sy-vline 
WA_ENT5157_STR-MAHNZ sy-vline 
WA_ENT5157_STR-NOTKZ sy-vline 
WA_ENT5157_STR-AEDAT sy-vline 
WA_ENT5157_STR-TXZ01 sy-vline 
WA_ENT5157_STR-KZVBR sy-vline      INTO ld_text SEPARATED BY SPACE.

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