ABAP Select data from SAP table /SAPAPO/NDPLDEF into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/NDPLDEF 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 /SAPAPO/NDPLDEF. 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 /SAPAPO/NDPLDEF 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_/SAPAPO/NDPLDEF TYPE STANDARD TABLE OF /SAPAPO/NDPLDEF,
      WA_/SAPAPO/NDPLDEF TYPE /SAPAPO/NDPLDEF,
      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: </SAPAPO/NDPLDEF> TYPE /SAPAPO/NDPLDEF.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/NDPLDEF
  INTO TABLE IT_/SAPAPO/NDPLDEF.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/NDPLDEF
*  INTO TABLE @DATA(IT_/SAPAPO/NDPLDEF2).
*--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_/SAPAPO/NDPLDEF INDEX 1 INTO DATA(WA_/SAPAPO/NDPLDEF2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/NDPLDEF ASSIGNING </SAPAPO/NDPLDEF>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/NDPLDEF>-MANDT = 1.
</SAPAPO/NDPLDEF>-PLRUN = 1.
</SAPAPO/NDPLDEF>-PLFUN = 1.
</SAPAPO/NDPLDEF>-MODEL = 1.
</SAPAPO/NDPLDEF>-VRSIO = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/NDPLDEF INTO WA_/SAPAPO/NDPLDEF.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/NDPLDEF-WORKA, sy-vline,
  WA_/SAPAPO/NDPLDEF-LOGFIFLG, sy-vline,
  WA_/SAPAPO/NDPLDEF-LOGFI, sy-vline,
  WA_/SAPAPO/NDPLDEF-UNAME, sy-vline,
  WA_/SAPAPO/NDPLDEF-NDSTARTTST, sy-vline,
  WA_/SAPAPO/NDPLDEF-NDENDTST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/NDPLDEF 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_/SAPAPO/NDPLDEF 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_/SAPAPO/NDPLDEF INTO WA_/SAPAPO/NDPLDEF.


*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 VRSIO, internal->external for field VRSIO
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/NDPLDEF-VRSIO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/NDPLDEF-VRSIO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field NDSTARTTST
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/NDPLDEF-NDSTARTTST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/NDPLDEF-NDSTARTTST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field NDENDTST
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/NDPLDEF-NDENDTST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/NDPLDEF-NDENDTST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit VRSIO, internal->external for field DEM_VERSION
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/NDPLDEF-DEM_VERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/NDPLDEF-DEM_VERSION.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field LOCPROD_PEN_BQM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/NDPLDEF-LOCPROD_PEN_BQM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/NDPLDEF-LOCPROD_PEN_BQM.
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_/SAPAPO/NDPLDEF_STR, 
MANDT TYPE STRING,
PLRUN TYPE STRING,
PLFUN TYPE STRING,
MODEL TYPE STRING,
VRSIO TYPE STRING,
WORKA TYPE STRING,
LOGFIFLG TYPE STRING,
LOGFI TYPE STRING,
UNAME TYPE STRING,
NDSTARTTST TYPE STRING,
NDENDTST TYPE STRING,
NDSESSION TYPE STRING,
BALLOGHNDL TYPE STRING,
ND_DEM_TAB TYPE STRING,
MVIEW TYPE STRING,
SELECTIONID TYPE STRING,
DEM_VERSION TYPE STRING,
CHANMPROD TYPE STRING,
CHANMLOC TYPE STRING,
KEYFGDM TYPE STRING,
NDFROM TYPE STRING,
NDTO TYPE STRING,
ND_DOMAIN TYPE STRING,
MEINS TYPE STRING,
LOC_MIN_NUM TYPE STRING,
LOC_MAX_NUM TYPE STRING,
TLDICOSTF TYPE STRING,
TLDIMEINS TYPE STRING,
TLDIBQ TYPE STRING,
TLDIBQMEINS TYPE STRING,
TLVALIDIND TYPE STRING,
TLFDICOSTF TYPE STRING,
TLFDIMEINS TYPE STRING,
TLFDIBQ TYPE STRING,
TLFDIBQMEINS TYPE STRING,
TLDTTYPE TYPE STRING,
NDLOCPRFID TYPE STRING,
STORCOST TYPE STRING,
STORBQ TYPE STRING,
STORBQMEINS TYPE STRING,
STORDU TYPE STRING,
HINCOST TYPE STRING,
HINBQ TYPE STRING,
HINBQMEINS TYPE STRING,
HOUTCOST TYPE STRING,
HOUTBQ TYPE STRING,
HOUTBQMEINS TYPE STRING,
LOCPROD_PEN_FAC TYPE STRING,
LOCPROD_PEN_BQ TYPE STRING,
LOCPROD_PEN_BQM TYPE STRING,
MAX_RTIME TYPE STRING,
DEV_UB TYPE STRING,
PL_LOCTYP TYPE STRING,
DEMAND_INCR TYPE STRING,
PROD_FLG TYPE STRING,
HANDL_FLG TYPE STRING,
DEBUG_MODE TYPE STRING,
DEBUG_FLG TYPE STRING,
SUCCESS_FLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/NDPLDEF_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_/SAPAPO/NDPLDEF_STR-MANDT sy-vline 
WA_/SAPAPO/NDPLDEF_STR-PLRUN sy-vline 
WA_/SAPAPO/NDPLDEF_STR-PLFUN sy-vline 
WA_/SAPAPO/NDPLDEF_STR-MODEL sy-vline 
WA_/SAPAPO/NDPLDEF_STR-VRSIO sy-vline 
WA_/SAPAPO/NDPLDEF_STR-WORKA sy-vline 
WA_/SAPAPO/NDPLDEF_STR-LOGFIFLG sy-vline 
WA_/SAPAPO/NDPLDEF_STR-LOGFI sy-vline 
WA_/SAPAPO/NDPLDEF_STR-UNAME sy-vline 
WA_/SAPAPO/NDPLDEF_STR-NDSTARTTST sy-vline 
WA_/SAPAPO/NDPLDEF_STR-NDENDTST sy-vline 
WA_/SAPAPO/NDPLDEF_STR-NDSESSION sy-vline 
WA_/SAPAPO/NDPLDEF_STR-BALLOGHNDL sy-vline 
WA_/SAPAPO/NDPLDEF_STR-ND_DEM_TAB sy-vline 
WA_/SAPAPO/NDPLDEF_STR-MVIEW sy-vline 
WA_/SAPAPO/NDPLDEF_STR-SELECTIONID sy-vline 
WA_/SAPAPO/NDPLDEF_STR-DEM_VERSION sy-vline 
WA_/SAPAPO/NDPLDEF_STR-CHANMPROD sy-vline 
WA_/SAPAPO/NDPLDEF_STR-CHANMLOC sy-vline 
WA_/SAPAPO/NDPLDEF_STR-KEYFGDM sy-vline 
WA_/SAPAPO/NDPLDEF_STR-NDFROM sy-vline 
WA_/SAPAPO/NDPLDEF_STR-NDTO sy-vline 
WA_/SAPAPO/NDPLDEF_STR-ND_DOMAIN sy-vline 
WA_/SAPAPO/NDPLDEF_STR-MEINS sy-vline 
WA_/SAPAPO/NDPLDEF_STR-LOC_MIN_NUM sy-vline 
WA_/SAPAPO/NDPLDEF_STR-LOC_MAX_NUM sy-vline 
WA_/SAPAPO/NDPLDEF_STR-TLDICOSTF sy-vline 
WA_/SAPAPO/NDPLDEF_STR-TLDIMEINS sy-vline 
WA_/SAPAPO/NDPLDEF_STR-TLDIBQ sy-vline 
WA_/SAPAPO/NDPLDEF_STR-TLDIBQMEINS sy-vline 
WA_/SAPAPO/NDPLDEF_STR-TLVALIDIND sy-vline 
WA_/SAPAPO/NDPLDEF_STR-TLFDICOSTF sy-vline 
WA_/SAPAPO/NDPLDEF_STR-TLFDIMEINS sy-vline 
WA_/SAPAPO/NDPLDEF_STR-TLFDIBQ sy-vline 
WA_/SAPAPO/NDPLDEF_STR-TLFDIBQMEINS sy-vline 
WA_/SAPAPO/NDPLDEF_STR-TLDTTYPE sy-vline 
WA_/SAPAPO/NDPLDEF_STR-NDLOCPRFID sy-vline 
WA_/SAPAPO/NDPLDEF_STR-STORCOST sy-vline 
WA_/SAPAPO/NDPLDEF_STR-STORBQ sy-vline 
WA_/SAPAPO/NDPLDEF_STR-STORBQMEINS sy-vline 
WA_/SAPAPO/NDPLDEF_STR-STORDU sy-vline 
WA_/SAPAPO/NDPLDEF_STR-HINCOST sy-vline 
WA_/SAPAPO/NDPLDEF_STR-HINBQ sy-vline 
WA_/SAPAPO/NDPLDEF_STR-HINBQMEINS sy-vline 
WA_/SAPAPO/NDPLDEF_STR-HOUTCOST sy-vline 
WA_/SAPAPO/NDPLDEF_STR-HOUTBQ sy-vline 
WA_/SAPAPO/NDPLDEF_STR-HOUTBQMEINS sy-vline 
WA_/SAPAPO/NDPLDEF_STR-LOCPROD_PEN_FAC sy-vline 
WA_/SAPAPO/NDPLDEF_STR-LOCPROD_PEN_BQ sy-vline 
WA_/SAPAPO/NDPLDEF_STR-LOCPROD_PEN_BQM sy-vline 
WA_/SAPAPO/NDPLDEF_STR-MAX_RTIME sy-vline 
WA_/SAPAPO/NDPLDEF_STR-DEV_UB sy-vline 
WA_/SAPAPO/NDPLDEF_STR-PL_LOCTYP sy-vline 
WA_/SAPAPO/NDPLDEF_STR-DEMAND_INCR sy-vline 
WA_/SAPAPO/NDPLDEF_STR-PROD_FLG sy-vline 
WA_/SAPAPO/NDPLDEF_STR-HANDL_FLG sy-vline 
WA_/SAPAPO/NDPLDEF_STR-DEBUG_MODE sy-vline 
WA_/SAPAPO/NDPLDEF_STR-DEBUG_FLG sy-vline 
WA_/SAPAPO/NDPLDEF_STR-SUCCESS_FLAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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