ABAP Select data from SAP table /SAPAPO/RCR01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/RCR01 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/RCR01. 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/RCR01 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/RCR01 TYPE STANDARD TABLE OF /SAPAPO/RCR01,
      WA_/SAPAPO/RCR01 TYPE /SAPAPO/RCR01,
      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/RCR01> TYPE /SAPAPO/RCR01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPAPO/RCR01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/RCR01
  INTO TABLE IT_/SAPAPO/RCR01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/RCR01
*  INTO TABLE @DATA(IT_/SAPAPO/RCR012).
*--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/RCR01 INDEX 1 INTO DATA(WA_/SAPAPO/RCR012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/RCR01 ASSIGNING </SAPAPO/RCR01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/RCR01>-ARBID = 1.
</SAPAPO/RCR01>-ARBPL = 1.
</SAPAPO/RCR01>-CPLGR = 1.
</SAPAPO/RCR01>-DATUB = 1.
</SAPAPO/RCR01>-DATUV = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/RCR01 INTO WA_/SAPAPO/RCR01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/RCR01-KAPID, sy-vline,
  WA_/SAPAPO/RCR01-KOKRS, sy-vline,
  WA_/SAPAPO/RCR01-KOSTL, sy-vline,
  WA_/SAPAPO/RCR01-KTEXT, sy-vline,
  WA_/SAPAPO/RCR01-KTSCH, sy-vline,
  WA_/SAPAPO/RCR01-KTSCH_REF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/RCR01 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/RCR01 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/RCR01 INTO WA_/SAPAPO/RCR01.


*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 KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RCR01-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RCR01-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SPDEV, internal->external for field PDEST
CALL FUNCTION 'CONVERSION_EXIT_SPDEV_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RCR01-PDEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RCR01-PDEST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGARB
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RCR01-VGARB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RCR01-VGARB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGDAU
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RCR01-VGDAU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RCR01-VGDAU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE01
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RCR01-VGE01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RCR01-VGE01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE02
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RCR01-VGE02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RCR01-VGE02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE03
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RCR01-VGE03
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RCR01-VGE03.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE04
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RCR01-VGE04
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RCR01-VGE04.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE05
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RCR01-VGE05
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RCR01-VGE05.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE06
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RCR01-VGE06
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RCR01-VGE06.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZEIWM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RCR01-ZEIWM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RCR01-ZEIWM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZEIWN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RCR01-ZEIWN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RCR01-ZEIWN.
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/RCR01_STR, 
ARBID TYPE STRING,
ARBPL TYPE STRING,
CPLGR TYPE STRING,
DATUB TYPE STRING,
DATUV TYPE STRING,
KAPID TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
KTEXT TYPE STRING,
KTSCH TYPE STRING,
KTSCH_REF TYPE STRING,
LAR01 TYPE STRING,
LAR01_REF TYPE STRING,
LAR02 TYPE STRING,
LAR02_REF TYPE STRING,
LAR03 TYPE STRING,
LAR03_REF TYPE STRING,
LAR04 TYPE STRING,
LAR04_REF TYPE STRING,
LAR05 TYPE STRING,
LAR05_REF TYPE STRING,
LAR06 TYPE STRING,
LAR06_REF TYPE STRING,
LARN1 TYPE STRING,
LARN1_REF TYPE STRING,
LOANZ TYPE STRING,
LOANZ_REF TYPE STRING,
LOART TYPE STRING,
LOART_REF TYPE STRING,
LVORM TYPE STRING,
LOGRP TYPE STRING,
LOGRP_REF TYPE STRING,
MANDT TYPE STRING,
MATYP TYPE STRING,
MOLGA TYPE STRING,
ORTGR TYPE STRING,
PAR01 TYPE STRING,
PAR02 TYPE STRING,
PAR03 TYPE STRING,
PAR04 TYPE STRING,
PAR05 TYPE STRING,
PAR06 TYPE STRING,
PDEST TYPE STRING,
PLANV TYPE STRING,
QUALF TYPE STRING,
QUALF_REF TYPE STRING,
RASCH TYPE STRING,
RASCH_REF TYPE STRING,
RSANZ TYPE STRING,
RSANZ_REF TYPE STRING,
RUZUS TYPE STRING,
SORTB TYPE STRING,
STATUS TYPE STRING,
STEUS TYPE STRING,
STEUS_REF TYPE STRING,
VGARB TYPE STRING,
VGDAU TYPE STRING,
VGDIM TYPE STRING,
VGD01 TYPE STRING,
VGD02 TYPE STRING,
VGD03 TYPE STRING,
VGD04 TYPE STRING,
VGD05 TYPE STRING,
VGD06 TYPE STRING,
VGE01 TYPE STRING,
VGE02 TYPE STRING,
VGE03 TYPE STRING,
VGE04 TYPE STRING,
VGE05 TYPE STRING,
VGE06 TYPE STRING,
VGM01 TYPE STRING,
VGM02 TYPE STRING,
VGM03 TYPE STRING,
VGM04 TYPE STRING,
VGM05 TYPE STRING,
VGM06 TYPE STRING,
VGT01 TYPE STRING,
VGT02 TYPE STRING,
VGT03 TYPE STRING,
VGT04 TYPE STRING,
VGT05 TYPE STRING,
VGT06 TYPE STRING,
VGTL1 TYPE STRING,
VGTL2 TYPE STRING,
VGTL3 TYPE STRING,
VGTL4 TYPE STRING,
VGTL5 TYPE STRING,
VGTL6 TYPE STRING,
VGWTS TYPE STRING,
WERKS TYPE STRING,
XSPRR TYPE STRING,
XTERM TYPE STRING,
ZGR01 TYPE STRING,
ZGR01_REF TYPE STRING,
ZGR02 TYPE STRING,
ZGR02_REF TYPE STRING,
ZGR03 TYPE STRING,
ZGR03_REF TYPE STRING,
ZGR04 TYPE STRING,
ZGR04_REF TYPE STRING,
ZGR05 TYPE STRING,
ZGR05_REF TYPE STRING,
ZGR06 TYPE STRING,
ZGR06_REF TYPE STRING,
ZEIWM TYPE STRING,
ZEIWN TYPE STRING,
ZWMIN TYPE STRING,
ZWNOR TYPE STRING,
HR TYPE STRING,
PRVBE TYPE STRING,
SUBSYS TYPE STRING,
BDEGR TYPE STRING,
RGEKZ TYPE STRING,
SLWID TYPE STRING,
LIFNR TYPE STRING,
SLWID_REF TYPE STRING,
LIFNR_REF TYPE STRING,
FLG_AFR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/RCR01_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/RCR01_STR-ARBID sy-vline 
WA_/SAPAPO/RCR01_STR-ARBPL sy-vline 
WA_/SAPAPO/RCR01_STR-CPLGR sy-vline 
WA_/SAPAPO/RCR01_STR-DATUB sy-vline 
WA_/SAPAPO/RCR01_STR-DATUV sy-vline 
WA_/SAPAPO/RCR01_STR-KAPID sy-vline 
WA_/SAPAPO/RCR01_STR-KOKRS sy-vline 
WA_/SAPAPO/RCR01_STR-KOSTL sy-vline 
WA_/SAPAPO/RCR01_STR-KTEXT sy-vline 
WA_/SAPAPO/RCR01_STR-KTSCH sy-vline 
WA_/SAPAPO/RCR01_STR-KTSCH_REF sy-vline 
WA_/SAPAPO/RCR01_STR-LAR01 sy-vline 
WA_/SAPAPO/RCR01_STR-LAR01_REF sy-vline 
WA_/SAPAPO/RCR01_STR-LAR02 sy-vline 
WA_/SAPAPO/RCR01_STR-LAR02_REF sy-vline 
WA_/SAPAPO/RCR01_STR-LAR03 sy-vline 
WA_/SAPAPO/RCR01_STR-LAR03_REF sy-vline 
WA_/SAPAPO/RCR01_STR-LAR04 sy-vline 
WA_/SAPAPO/RCR01_STR-LAR04_REF sy-vline 
WA_/SAPAPO/RCR01_STR-LAR05 sy-vline 
WA_/SAPAPO/RCR01_STR-LAR05_REF sy-vline 
WA_/SAPAPO/RCR01_STR-LAR06 sy-vline 
WA_/SAPAPO/RCR01_STR-LAR06_REF sy-vline 
WA_/SAPAPO/RCR01_STR-LARN1 sy-vline 
WA_/SAPAPO/RCR01_STR-LARN1_REF sy-vline 
WA_/SAPAPO/RCR01_STR-LOANZ sy-vline 
WA_/SAPAPO/RCR01_STR-LOANZ_REF sy-vline 
WA_/SAPAPO/RCR01_STR-LOART sy-vline 
WA_/SAPAPO/RCR01_STR-LOART_REF sy-vline 
WA_/SAPAPO/RCR01_STR-LVORM sy-vline 
WA_/SAPAPO/RCR01_STR-LOGRP sy-vline 
WA_/SAPAPO/RCR01_STR-LOGRP_REF sy-vline 
WA_/SAPAPO/RCR01_STR-MANDT sy-vline 
WA_/SAPAPO/RCR01_STR-MATYP sy-vline 
WA_/SAPAPO/RCR01_STR-MOLGA sy-vline 
WA_/SAPAPO/RCR01_STR-ORTGR sy-vline 
WA_/SAPAPO/RCR01_STR-PAR01 sy-vline 
WA_/SAPAPO/RCR01_STR-PAR02 sy-vline 
WA_/SAPAPO/RCR01_STR-PAR03 sy-vline 
WA_/SAPAPO/RCR01_STR-PAR04 sy-vline 
WA_/SAPAPO/RCR01_STR-PAR05 sy-vline 
WA_/SAPAPO/RCR01_STR-PAR06 sy-vline 
WA_/SAPAPO/RCR01_STR-PDEST sy-vline 
WA_/SAPAPO/RCR01_STR-PLANV sy-vline 
WA_/SAPAPO/RCR01_STR-QUALF sy-vline 
WA_/SAPAPO/RCR01_STR-QUALF_REF sy-vline 
WA_/SAPAPO/RCR01_STR-RASCH sy-vline 
WA_/SAPAPO/RCR01_STR-RASCH_REF sy-vline 
WA_/SAPAPO/RCR01_STR-RSANZ sy-vline 
WA_/SAPAPO/RCR01_STR-RSANZ_REF sy-vline 
WA_/SAPAPO/RCR01_STR-RUZUS sy-vline 
WA_/SAPAPO/RCR01_STR-SORTB sy-vline 
WA_/SAPAPO/RCR01_STR-STATUS sy-vline 
WA_/SAPAPO/RCR01_STR-STEUS sy-vline 
WA_/SAPAPO/RCR01_STR-STEUS_REF sy-vline 
WA_/SAPAPO/RCR01_STR-VGARB sy-vline 
WA_/SAPAPO/RCR01_STR-VGDAU sy-vline 
WA_/SAPAPO/RCR01_STR-VGDIM sy-vline 
WA_/SAPAPO/RCR01_STR-VGD01 sy-vline 
WA_/SAPAPO/RCR01_STR-VGD02 sy-vline 
WA_/SAPAPO/RCR01_STR-VGD03 sy-vline 
WA_/SAPAPO/RCR01_STR-VGD04 sy-vline 
WA_/SAPAPO/RCR01_STR-VGD05 sy-vline 
WA_/SAPAPO/RCR01_STR-VGD06 sy-vline 
WA_/SAPAPO/RCR01_STR-VGE01 sy-vline 
WA_/SAPAPO/RCR01_STR-VGE02 sy-vline 
WA_/SAPAPO/RCR01_STR-VGE03 sy-vline 
WA_/SAPAPO/RCR01_STR-VGE04 sy-vline 
WA_/SAPAPO/RCR01_STR-VGE05 sy-vline 
WA_/SAPAPO/RCR01_STR-VGE06 sy-vline 
WA_/SAPAPO/RCR01_STR-VGM01 sy-vline 
WA_/SAPAPO/RCR01_STR-VGM02 sy-vline 
WA_/SAPAPO/RCR01_STR-VGM03 sy-vline 
WA_/SAPAPO/RCR01_STR-VGM04 sy-vline 
WA_/SAPAPO/RCR01_STR-VGM05 sy-vline 
WA_/SAPAPO/RCR01_STR-VGM06 sy-vline 
WA_/SAPAPO/RCR01_STR-VGT01 sy-vline 
WA_/SAPAPO/RCR01_STR-VGT02 sy-vline 
WA_/SAPAPO/RCR01_STR-VGT03 sy-vline 
WA_/SAPAPO/RCR01_STR-VGT04 sy-vline 
WA_/SAPAPO/RCR01_STR-VGT05 sy-vline 
WA_/SAPAPO/RCR01_STR-VGT06 sy-vline 
WA_/SAPAPO/RCR01_STR-VGTL1 sy-vline 
WA_/SAPAPO/RCR01_STR-VGTL2 sy-vline 
WA_/SAPAPO/RCR01_STR-VGTL3 sy-vline 
WA_/SAPAPO/RCR01_STR-VGTL4 sy-vline 
WA_/SAPAPO/RCR01_STR-VGTL5 sy-vline 
WA_/SAPAPO/RCR01_STR-VGTL6 sy-vline 
WA_/SAPAPO/RCR01_STR-VGWTS sy-vline 
WA_/SAPAPO/RCR01_STR-WERKS sy-vline 
WA_/SAPAPO/RCR01_STR-XSPRR sy-vline 
WA_/SAPAPO/RCR01_STR-XTERM sy-vline 
WA_/SAPAPO/RCR01_STR-ZGR01 sy-vline 
WA_/SAPAPO/RCR01_STR-ZGR01_REF sy-vline 
WA_/SAPAPO/RCR01_STR-ZGR02 sy-vline 
WA_/SAPAPO/RCR01_STR-ZGR02_REF sy-vline 
WA_/SAPAPO/RCR01_STR-ZGR03 sy-vline 
WA_/SAPAPO/RCR01_STR-ZGR03_REF sy-vline 
WA_/SAPAPO/RCR01_STR-ZGR04 sy-vline 
WA_/SAPAPO/RCR01_STR-ZGR04_REF sy-vline 
WA_/SAPAPO/RCR01_STR-ZGR05 sy-vline 
WA_/SAPAPO/RCR01_STR-ZGR05_REF sy-vline 
WA_/SAPAPO/RCR01_STR-ZGR06 sy-vline 
WA_/SAPAPO/RCR01_STR-ZGR06_REF sy-vline 
WA_/SAPAPO/RCR01_STR-ZEIWM sy-vline 
WA_/SAPAPO/RCR01_STR-ZEIWN sy-vline 
WA_/SAPAPO/RCR01_STR-ZWMIN sy-vline 
WA_/SAPAPO/RCR01_STR-ZWNOR sy-vline 
WA_/SAPAPO/RCR01_STR-HR sy-vline 
WA_/SAPAPO/RCR01_STR-PRVBE sy-vline 
WA_/SAPAPO/RCR01_STR-SUBSYS sy-vline 
WA_/SAPAPO/RCR01_STR-BDEGR sy-vline 
WA_/SAPAPO/RCR01_STR-RGEKZ sy-vline 
WA_/SAPAPO/RCR01_STR-SLWID sy-vline 
WA_/SAPAPO/RCR01_STR-LIFNR sy-vline 
WA_/SAPAPO/RCR01_STR-SLWID_REF sy-vline 
WA_/SAPAPO/RCR01_STR-LIFNR_REF sy-vline 
WA_/SAPAPO/RCR01_STR-FLG_AFR sy-vline      INTO ld_text SEPARATED BY SPACE.

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