ABAP Select data from SAP table ENT5156 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ENT5156 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 ENT5156. 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 ENT5156 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_ENT5156 TYPE STANDARD TABLE OF ENT5156,
      WA_ENT5156 TYPE ENT5156,
      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: <ENT5156> TYPE ENT5156.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ENT5156.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ENT5156
  INTO TABLE IT_ENT5156.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ENT5156
*  INTO TABLE @DATA(IT_ENT51562).
*--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_ENT5156 INDEX 1 INTO DATA(WA_ENT51562).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ENT5156 ASSIGNING <ENT5156>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ENT5156>-MANDT = 1.
<ENT5156>-RSNUM = 1.
<ENT5156>-RSPOS = 1.
<ENT5156>-RSART = 1.
<ENT5156>-AUFNR = 1.

ENDLOOP.

LOOP AT IT_ENT5156 INTO WA_ENT5156.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ENT5156-VORNR, sy-vline,
  WA_ENT5156-WERKS, sy-vline,
  WA_ENT5156-MATNR, sy-vline,
  WA_ENT5156-BDART, sy-vline,
  WA_ENT5156-RSSTA, sy-vline,
  WA_ENT5156-XLOEK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ENT5156 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_ENT5156 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_ENT5156 INTO WA_ENT5156.


*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_ENT5156-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5156-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_ENT5156-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5156-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ENT5156-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5156-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ENT5156-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5156-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field BAUGR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ENT5156-BAUGR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5156-BAUGR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT5156-SAKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5156-SAKNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_ENT5156-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5156-POSNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_ENT5156-STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5156-STLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT5156-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5156-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNFL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ENT5156-PLNFL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ENT5156-PLNFL.
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_ENT5156_STR, 
MANDT TYPE STRING,
RSNUM TYPE STRING,
RSPOS TYPE STRING,
RSART TYPE STRING,
AUFNR TYPE STRING,
VORNR TYPE STRING,
WERKS TYPE STRING,
MATNR TYPE STRING,
BDART TYPE STRING,
RSSTA TYPE STRING,
XLOEK TYPE STRING,
LGORT TYPE STRING,
CHARG TYPE STRING,
BDTER TYPE STRING,
BDMNG TYPE STRING,
MEINS TYPE STRING,
SHKZG TYPE STRING,
BAUGR TYPE STRING,
SERNR TYPE STRING,
BWART TYPE STRING,
SAKNR TYPE STRING,
POSTP TYPE STRING,
POSNR TYPE STRING,
STLTY TYPE STRING,
STLNR TYPE STRING,
STLKN TYPE STRING,
STPOZ TYPE STRING,
SANKA TYPE STRING,
AENNR TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
SBTER TYPE STRING,
SCHGT TYPE STRING,
DBSKZ TYPE STRING,
TXTPS TYPE STRING,
OBJNR TYPE STRING,
RGEKZ TYPE STRING,
LGPLA TYPE STRING,
TBMNG TYPE STRING,
KZKUP TYPE STRING,
BDZTP TYPE STRING,
ALPST TYPE STRING,
KZAUS TYPE STRING,
PLNFL TYPE STRING,
FLGAT TYPE STRING,
BERKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ENT5156_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_ENT5156_STR-MANDT sy-vline 
WA_ENT5156_STR-RSNUM sy-vline 
WA_ENT5156_STR-RSPOS sy-vline 
WA_ENT5156_STR-RSART sy-vline 
WA_ENT5156_STR-AUFNR sy-vline 
WA_ENT5156_STR-VORNR sy-vline 
WA_ENT5156_STR-WERKS sy-vline 
WA_ENT5156_STR-MATNR sy-vline 
WA_ENT5156_STR-BDART sy-vline 
WA_ENT5156_STR-RSSTA sy-vline 
WA_ENT5156_STR-XLOEK sy-vline 
WA_ENT5156_STR-LGORT sy-vline 
WA_ENT5156_STR-CHARG sy-vline 
WA_ENT5156_STR-BDTER sy-vline 
WA_ENT5156_STR-BDMNG sy-vline 
WA_ENT5156_STR-MEINS sy-vline 
WA_ENT5156_STR-SHKZG sy-vline 
WA_ENT5156_STR-BAUGR sy-vline 
WA_ENT5156_STR-SERNR sy-vline 
WA_ENT5156_STR-BWART sy-vline 
WA_ENT5156_STR-SAKNR sy-vline 
WA_ENT5156_STR-POSTP sy-vline 
WA_ENT5156_STR-POSNR sy-vline 
WA_ENT5156_STR-STLTY sy-vline 
WA_ENT5156_STR-STLNR sy-vline 
WA_ENT5156_STR-STLKN sy-vline 
WA_ENT5156_STR-STPOZ sy-vline 
WA_ENT5156_STR-SANKA sy-vline 
WA_ENT5156_STR-AENNR sy-vline 
WA_ENT5156_STR-UMREZ sy-vline 
WA_ENT5156_STR-UMREN sy-vline 
WA_ENT5156_STR-SBTER sy-vline 
WA_ENT5156_STR-SCHGT sy-vline 
WA_ENT5156_STR-DBSKZ sy-vline 
WA_ENT5156_STR-TXTPS sy-vline 
WA_ENT5156_STR-OBJNR sy-vline 
WA_ENT5156_STR-RGEKZ sy-vline 
WA_ENT5156_STR-LGPLA sy-vline 
WA_ENT5156_STR-TBMNG sy-vline 
WA_ENT5156_STR-KZKUP sy-vline 
WA_ENT5156_STR-BDZTP sy-vline 
WA_ENT5156_STR-ALPST sy-vline 
WA_ENT5156_STR-KZAUS sy-vline 
WA_ENT5156_STR-PLNFL sy-vline 
WA_ENT5156_STR-FLGAT sy-vline 
WA_ENT5156_STR-BERKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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