ABAP Select data from SAP table DET_RMPUIOS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DET_RMPUIOS
*  INTO TABLE @DATA(IT_DET_RMPUIOS2).
*--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_DET_RMPUIOS INDEX 1 INTO DATA(WA_DET_RMPUIOS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DET_RMPUIOS>-WERKS = 1.
<DET_RMPUIOS>-MATNR = 1.
<DET_RMPUIOS>-MAKTX = 1.
<DET_RMPUIOS>-LGORT = 1.
<DET_RMPUIOS>-WMPPI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DET_RMPUIOS-PRVBE, sy-vline,
  WA_DET_RMPUIOS-KANBN, sy-vline,
  WA_DET_RMPUIOS-DISKZ, sy-vline,
  WA_DET_RMPUIOS-XCHPF, sy-vline,
  WA_DET_RMPUIOS-XCHAR, sy-vline,
  WA_DET_RMPUIOS-BWTTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DET_RMPUIOS 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_DET_RMPUIOS 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_DET_RMPUIOS INTO WA_DET_RMPUIOS.


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

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

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

*Conversion exit ABPSP, internal->external for field PSPEL
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_DET_RMPUIOS-PSPEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DET_RMPUIOS-PSPEL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field UNIT2
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_DET_RMPUIOS-UNIT2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DET_RMPUIOS-UNIT2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT3
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_DET_RMPUIOS-UNIT3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DET_RMPUIOS-UNIT3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT4
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_DET_RMPUIOS-UNIT4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DET_RMPUIOS-UNIT4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT5
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_DET_RMPUIOS-UNIT5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DET_RMPUIOS-UNIT5.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT6
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_DET_RMPUIOS-UNIT6
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DET_RMPUIOS-UNIT6.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT7
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_DET_RMPUIOS-UNIT7
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DET_RMPUIOS-UNIT7.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS1
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_DET_RMPUIOS-MEINS1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DET_RMPUIOS-MEINS1.
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_DET_RMPUIOS_STR, 
WERKS TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
LGORT TYPE STRING,
WMPPI TYPE STRING,
PRVBE TYPE STRING,
KANBN TYPE STRING,
DISKZ TYPE STRING,
XCHPF TYPE STRING,
XCHAR TYPE STRING,
BWTTY TYPE STRING,
CHARG TYPE STRING,
SOBKZ TYPE STRING,
LIFNR TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
PSPEL TYPE STRING,
BERKZ TYPE STRING,
LGNUM TYPE STRING,
LGTYP TYPE STRING,
LGPLA TYPE STRING,
RSNUM TYPE STRING,
RSPOS TYPE STRING,
RSART TYPE STRING,
BDART TYPE STRING,
RQNUM TYPE STRING,
RQITM TYPE STRING,
LGPBE TYPE STRING,
LMINB TYPE STRING,
LBSTF TYPE STRING,
ARBPL TYPE STRING,
ARBTX TYPE STRING,
PLNUM TYPE STRING,
AUFNR TYPE STRING,
DAUTY TYPE STRING,
DISPO TYPE STRING,
FEVOR TYPE STRING,
VERID TYPE STRING,
MDV01 TYPE STRING,
MDV02 TYPE STRING,
LINTX TYPE STRING,
BAUGR TYPE STRING,
BAUTX TYPE STRING,
BDTER TYPE STRING,
SBTER TYPE STRING,
BDZTP TYPE STRING,
NBDMG TYPE STRING,
AVAIL TYPE STRING,
AVAIL_TOT TYPE STRING,
AVOVL TYPE STRING,
MISSQ TYPE STRING,
EQUAN TYPE STRING,
RMISS TYPE STRING,
EQUAN_BEA TYPE STRING,
ERFME TYPE STRING,
MARK TYPE STRING,
DETAIL_ICON TYPE STRING,
MEINS TYPE STRING,
DELB0 TYPE STRING,
NUMMER_DELB0 TYPE STRING,
LIGHT_ICON TYPE STRING,
UNIT2 TYPE STRING,
UNIT3 TYPE STRING,
UNIT4 TYPE STRING,
UNIT5 TYPE STRING,
UNIT6 TYPE STRING,
UNIT7 TYPE STRING,
MEINS1 TYPE STRING,
UMREN TYPE STRING,
UMREZ TYPE STRING,
KZWSO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DET_RMPUIOS_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_DET_RMPUIOS_STR-WERKS sy-vline 
WA_DET_RMPUIOS_STR-MATNR sy-vline 
WA_DET_RMPUIOS_STR-MAKTX sy-vline 
WA_DET_RMPUIOS_STR-LGORT sy-vline 
WA_DET_RMPUIOS_STR-WMPPI sy-vline 
WA_DET_RMPUIOS_STR-PRVBE sy-vline 
WA_DET_RMPUIOS_STR-KANBN sy-vline 
WA_DET_RMPUIOS_STR-DISKZ sy-vline 
WA_DET_RMPUIOS_STR-XCHPF sy-vline 
WA_DET_RMPUIOS_STR-XCHAR sy-vline 
WA_DET_RMPUIOS_STR-BWTTY sy-vline 
WA_DET_RMPUIOS_STR-CHARG sy-vline 
WA_DET_RMPUIOS_STR-SOBKZ sy-vline 
WA_DET_RMPUIOS_STR-LIFNR sy-vline 
WA_DET_RMPUIOS_STR-KDAUF sy-vline 
WA_DET_RMPUIOS_STR-KDPOS sy-vline 
WA_DET_RMPUIOS_STR-PSPEL sy-vline 
WA_DET_RMPUIOS_STR-BERKZ sy-vline 
WA_DET_RMPUIOS_STR-LGNUM sy-vline 
WA_DET_RMPUIOS_STR-LGTYP sy-vline 
WA_DET_RMPUIOS_STR-LGPLA sy-vline 
WA_DET_RMPUIOS_STR-RSNUM sy-vline 
WA_DET_RMPUIOS_STR-RSPOS sy-vline 
WA_DET_RMPUIOS_STR-RSART sy-vline 
WA_DET_RMPUIOS_STR-BDART sy-vline 
WA_DET_RMPUIOS_STR-RQNUM sy-vline 
WA_DET_RMPUIOS_STR-RQITM sy-vline 
WA_DET_RMPUIOS_STR-LGPBE sy-vline 
WA_DET_RMPUIOS_STR-LMINB sy-vline 
WA_DET_RMPUIOS_STR-LBSTF sy-vline 
WA_DET_RMPUIOS_STR-ARBPL sy-vline 
WA_DET_RMPUIOS_STR-ARBTX sy-vline 
WA_DET_RMPUIOS_STR-PLNUM sy-vline 
WA_DET_RMPUIOS_STR-AUFNR sy-vline 
WA_DET_RMPUIOS_STR-DAUTY sy-vline 
WA_DET_RMPUIOS_STR-DISPO sy-vline 
WA_DET_RMPUIOS_STR-FEVOR sy-vline 
WA_DET_RMPUIOS_STR-VERID sy-vline 
WA_DET_RMPUIOS_STR-MDV01 sy-vline 
WA_DET_RMPUIOS_STR-MDV02 sy-vline 
WA_DET_RMPUIOS_STR-LINTX sy-vline 
WA_DET_RMPUIOS_STR-BAUGR sy-vline 
WA_DET_RMPUIOS_STR-BAUTX sy-vline 
WA_DET_RMPUIOS_STR-BDTER sy-vline 
WA_DET_RMPUIOS_STR-SBTER sy-vline 
WA_DET_RMPUIOS_STR-BDZTP sy-vline 
WA_DET_RMPUIOS_STR-NBDMG sy-vline 
WA_DET_RMPUIOS_STR-AVAIL sy-vline 
WA_DET_RMPUIOS_STR-AVAIL_TOT sy-vline 
WA_DET_RMPUIOS_STR-AVOVL sy-vline 
WA_DET_RMPUIOS_STR-MISSQ sy-vline 
WA_DET_RMPUIOS_STR-EQUAN sy-vline 
WA_DET_RMPUIOS_STR-RMISS sy-vline 
WA_DET_RMPUIOS_STR-EQUAN_BEA sy-vline 
WA_DET_RMPUIOS_STR-ERFME sy-vline 
WA_DET_RMPUIOS_STR-MARK sy-vline 
WA_DET_RMPUIOS_STR-DETAIL_ICON sy-vline 
WA_DET_RMPUIOS_STR-MEINS sy-vline 
WA_DET_RMPUIOS_STR-DELB0 sy-vline 
WA_DET_RMPUIOS_STR-NUMMER_DELB0 sy-vline 
WA_DET_RMPUIOS_STR-LIGHT_ICON sy-vline 
WA_DET_RMPUIOS_STR-UNIT2 sy-vline 
WA_DET_RMPUIOS_STR-UNIT3 sy-vline 
WA_DET_RMPUIOS_STR-UNIT4 sy-vline 
WA_DET_RMPUIOS_STR-UNIT5 sy-vline 
WA_DET_RMPUIOS_STR-UNIT6 sy-vline 
WA_DET_RMPUIOS_STR-UNIT7 sy-vline 
WA_DET_RMPUIOS_STR-MEINS1 sy-vline 
WA_DET_RMPUIOS_STR-UMREN sy-vline 
WA_DET_RMPUIOS_STR-UMREZ sy-vline 
WA_DET_RMPUIOS_STR-KZWSO sy-vline      INTO ld_text SEPARATED BY SPACE.

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