ABAP Select data from SAP table ENT5277 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ENT5277 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 ENT5277. 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 ENT5277 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_ENT5277 TYPE STANDARD TABLE OF ENT5277,
      WA_ENT5277 TYPE ENT5277,
      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: <ENT5277> TYPE ENT5277.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ENT5277.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ENT5277
  INTO TABLE IT_ENT5277.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ENT5277
*  INTO TABLE @DATA(IT_ENT52772).
*--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_ENT5277 INDEX 1 INTO DATA(WA_ENT52772).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ENT5277 ASSIGNING <ENT5277>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ENT5277>-MANDT = 1.
<ENT5277>-AUFNR = 1.
<ENT5277>-POSNR = 1.
<ENT5277>-PSOBS = 1.
<ENT5277>-PLNUM = 1.

ENDLOOP.

LOOP AT IT_ENT5277 INTO WA_ENT5277.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ENT5277-KDAUF, sy-vline,
  WA_ENT5277-KDPOS, sy-vline,
  WA_ENT5277-KDEIN, sy-vline,
  WA_ENT5277-PWERK, sy-vline,
  WA_ENT5277-UMREZ, sy-vline,
  WA_ENT5277-UMREN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ENT5277 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_ENT5277 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_ENT5277 INTO WA_ENT5277.


*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 AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT5277-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5277-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT5277-PLNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5277-PLNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT5277-KDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5277-KDAUF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT5277-SAFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5277-SAFNR.
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_ENT5277_STR, 
MANDT TYPE STRING,
AUFNR TYPE STRING,
POSNR TYPE STRING,
PSOBS TYPE STRING,
PLNUM TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
KDEIN TYPE STRING,
PWERK TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
WEBAZ TYPE STRING,
ELIKZ TYPE STRING,
SAFNR TYPE STRING,
VERID TYPE STRING,
SERNR TYPE STRING,
TECHS TYPE STRING,
DWERK TYPE STRING,
DAUTY TYPE STRING,
DAUAT TYPE STRING,
DGLTP TYPE STRING,
DGLTS TYPE STRING,
DFREI TYPE STRING,
DNREL TYPE STRING,
LGORT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ENT5277_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_ENT5277_STR-MANDT sy-vline 
WA_ENT5277_STR-AUFNR sy-vline 
WA_ENT5277_STR-POSNR sy-vline 
WA_ENT5277_STR-PSOBS sy-vline 
WA_ENT5277_STR-PLNUM sy-vline 
WA_ENT5277_STR-KDAUF sy-vline 
WA_ENT5277_STR-KDPOS sy-vline 
WA_ENT5277_STR-KDEIN sy-vline 
WA_ENT5277_STR-PWERK sy-vline 
WA_ENT5277_STR-UMREZ sy-vline 
WA_ENT5277_STR-UMREN sy-vline 
WA_ENT5277_STR-WEBAZ sy-vline 
WA_ENT5277_STR-ELIKZ sy-vline 
WA_ENT5277_STR-SAFNR sy-vline 
WA_ENT5277_STR-VERID sy-vline 
WA_ENT5277_STR-SERNR sy-vline 
WA_ENT5277_STR-TECHS sy-vline 
WA_ENT5277_STR-DWERK sy-vline 
WA_ENT5277_STR-DAUTY sy-vline 
WA_ENT5277_STR-DAUAT sy-vline 
WA_ENT5277_STR-DGLTP sy-vline 
WA_ENT5277_STR-DGLTS sy-vline 
WA_ENT5277_STR-DFREI sy-vline 
WA_ENT5277_STR-DNREL sy-vline 
WA_ENT5277_STR-LGORT sy-vline      INTO ld_text SEPARATED BY SPACE.

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