ABAP Select data from SAP table RL030 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RL030 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 RL030. 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 RL030 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_RL030 TYPE STANDARD TABLE OF RL030,
      WA_RL030 TYPE RL030,
      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: <RL030> TYPE RL030.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RL030.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RL030
  INTO TABLE IT_RL030.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RL030
*  INTO TABLE @DATA(IT_RL0302).
*--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_RL030 INDEX 1 INTO DATA(WA_RL0302).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RL030 ASSIGNING <RL030>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RL030>-MANDT = 1.
<RL030>-LGNUM = 1.
<RL030>-LGTYP = 1.
<RL030>-LGPLA = 1.
<RL030>-LGBER = 1.

ENDLOOP.

LOOP AT IT_RL030 INTO WA_RL030.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RL030-LPTYP, sy-vline,
  WA_RL030-PLAUF, sy-vline,
  WA_RL030-SKZUA, sy-vline,
  WA_RL030-SKZUE, sy-vline,
  WA_RL030-SKZSA, sy-vline,
  WA_RL030-SKZSE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RL030 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_RL030 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_RL030 INTO WA_RL030.


*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 CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RL030-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL030-GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field IVNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL030-IVNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL030-IVNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RL030-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL030-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SONUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL030-SONUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL030-SONUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WENUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL030-WENUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL030-WENUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RL030-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL030-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field LQUA_GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RL030-LQUA_GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL030-LQUA_GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LQUA_IVNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL030-LQUA_IVNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL030-LQUA_IVNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BENUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL030-BENUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL030-BENUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LENUM, internal->external for field LENUM
CALL FUNCTION 'CONVERSION_EXIT_LENUM_OUTPUT'
  EXPORTING
    input =                      WA_RL030-LENUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL030-LENUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field QPLOS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL030-QPLOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL030-QPLOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL030-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL030-VBELN.
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_RL030_STR, 
MANDT TYPE STRING,
LGNUM TYPE STRING,
LGTYP TYPE STRING,
LGPLA TYPE STRING,
LGBER TYPE STRING,
LPTYP TYPE STRING,
PLAUF TYPE STRING,
SKZUA TYPE STRING,
SKZUE TYPE STRING,
SKZSA TYPE STRING,
SKZSE TYPE STRING,
SKZSI TYPE STRING,
SPGRU TYPE STRING,
ANZQU TYPE STRING,
MAXQU TYPE STRING,
ANZLE TYPE STRING,
MAXLE TYPE STRING,
KZDYN TYPE STRING,
LGEWI TYPE STRING,
GEWEI TYPE STRING,
MGEWI TYPE STRING,
BDATU TYPE STRING,
BZEIT TYPE STRING,
BTANR TYPE STRING,
BTAPS TYPE STRING,
RDATU TYPE STRING,
RZEIT TYPE STRING,
KZINV TYPE STRING,
IDATU TYPE STRING,
IVNUM TYPE STRING,
IVPOS TYPE STRING,
IVIVO TYPE STRING,
KZLER TYPE STRING,
KZVOL TYPE STRING,
SORLP TYPE STRING,
BRAND TYPE STRING,
UNAME TYPE STRING,
LAEDT TYPE STRING,
LKAPV TYPE STRING,
RKAPV TYPE STRING,
KOBER TYPE STRING,
REIHF TYPE STRING,
VERIF TYPE STRING,
LZONE TYPE STRING,
XCORD TYPE STRING,
YCORD TYPE STRING,
ZCORD TYPE STRING,
LQUA_MANDT TYPE STRING,
LQUA_LGNUM TYPE STRING,
LQNUM TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
CHARG TYPE STRING,
BESTQ TYPE STRING,
SOBKZ TYPE STRING,
SONUM TYPE STRING,
LQUA_LGTYP TYPE STRING,
LQUA_LGPLA TYPE STRING,
PLPOS TYPE STRING,
LQUA_SKZUE TYPE STRING,
LQUA_SKZUA TYPE STRING,
LQUA_SKZSE TYPE STRING,
LQUA_SKZSA TYPE STRING,
LQUA_SKZSI TYPE STRING,
LQUA_SPGRU TYPE STRING,
ZEUGN TYPE STRING,
LQUA_BDATU TYPE STRING,
LQUA_BZEIT TYPE STRING,
LQUA_BTANR TYPE STRING,
LQUA_BTAPS TYPE STRING,
EDATU TYPE STRING,
EZEIT TYPE STRING,
ADATU TYPE STRING,
AZEIT TYPE STRING,
ZDATU TYPE STRING,
WDATU TYPE STRING,
WENUM TYPE STRING,
WEPOS TYPE STRING,
LETYP TYPE STRING,
MEINS TYPE STRING,
GESME TYPE STRING,
VERME TYPE STRING,
EINME TYPE STRING,
AUSME TYPE STRING,
LQUA_MGEWI TYPE STRING,
LQUA_GEWEI TYPE STRING,
TBNUM TYPE STRING,
LQUA_IVNUM TYPE STRING,
LQUA_IVPOS TYPE STRING,
BETYP TYPE STRING,
BENUM TYPE STRING,
LENUM TYPE STRING,
QPLOS TYPE STRING,
VFDAT TYPE STRING,
QKAPV TYPE STRING,
LQUA_KOBER TYPE STRING,
LGORT TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
LQUA_IDATU TYPE STRING,
SGT_SCAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RL030_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_RL030_STR-MANDT sy-vline 
WA_RL030_STR-LGNUM sy-vline 
WA_RL030_STR-LGTYP sy-vline 
WA_RL030_STR-LGPLA sy-vline 
WA_RL030_STR-LGBER sy-vline 
WA_RL030_STR-LPTYP sy-vline 
WA_RL030_STR-PLAUF sy-vline 
WA_RL030_STR-SKZUA sy-vline 
WA_RL030_STR-SKZUE sy-vline 
WA_RL030_STR-SKZSA sy-vline 
WA_RL030_STR-SKZSE sy-vline 
WA_RL030_STR-SKZSI sy-vline 
WA_RL030_STR-SPGRU sy-vline 
WA_RL030_STR-ANZQU sy-vline 
WA_RL030_STR-MAXQU sy-vline 
WA_RL030_STR-ANZLE sy-vline 
WA_RL030_STR-MAXLE sy-vline 
WA_RL030_STR-KZDYN sy-vline 
WA_RL030_STR-LGEWI sy-vline 
WA_RL030_STR-GEWEI sy-vline 
WA_RL030_STR-MGEWI sy-vline 
WA_RL030_STR-BDATU sy-vline 
WA_RL030_STR-BZEIT sy-vline 
WA_RL030_STR-BTANR sy-vline 
WA_RL030_STR-BTAPS sy-vline 
WA_RL030_STR-RDATU sy-vline 
WA_RL030_STR-RZEIT sy-vline 
WA_RL030_STR-KZINV sy-vline 
WA_RL030_STR-IDATU sy-vline 
WA_RL030_STR-IVNUM sy-vline 
WA_RL030_STR-IVPOS sy-vline 
WA_RL030_STR-IVIVO sy-vline 
WA_RL030_STR-KZLER sy-vline 
WA_RL030_STR-KZVOL sy-vline 
WA_RL030_STR-SORLP sy-vline 
WA_RL030_STR-BRAND sy-vline 
WA_RL030_STR-UNAME sy-vline 
WA_RL030_STR-LAEDT sy-vline 
WA_RL030_STR-LKAPV sy-vline 
WA_RL030_STR-RKAPV sy-vline 
WA_RL030_STR-KOBER sy-vline 
WA_RL030_STR-REIHF sy-vline 
WA_RL030_STR-VERIF sy-vline 
WA_RL030_STR-LZONE sy-vline 
WA_RL030_STR-XCORD sy-vline 
WA_RL030_STR-YCORD sy-vline 
WA_RL030_STR-ZCORD sy-vline 
WA_RL030_STR-LQUA_MANDT sy-vline 
WA_RL030_STR-LQUA_LGNUM sy-vline 
WA_RL030_STR-LQNUM sy-vline 
WA_RL030_STR-MATNR sy-vline 
WA_RL030_STR-WERKS sy-vline 
WA_RL030_STR-CHARG sy-vline 
WA_RL030_STR-BESTQ sy-vline 
WA_RL030_STR-SOBKZ sy-vline 
WA_RL030_STR-SONUM sy-vline 
WA_RL030_STR-LQUA_LGTYP sy-vline 
WA_RL030_STR-LQUA_LGPLA sy-vline 
WA_RL030_STR-PLPOS sy-vline 
WA_RL030_STR-LQUA_SKZUE sy-vline 
WA_RL030_STR-LQUA_SKZUA sy-vline 
WA_RL030_STR-LQUA_SKZSE sy-vline 
WA_RL030_STR-LQUA_SKZSA sy-vline 
WA_RL030_STR-LQUA_SKZSI sy-vline 
WA_RL030_STR-LQUA_SPGRU sy-vline 
WA_RL030_STR-ZEUGN sy-vline 
WA_RL030_STR-LQUA_BDATU sy-vline 
WA_RL030_STR-LQUA_BZEIT sy-vline 
WA_RL030_STR-LQUA_BTANR sy-vline 
WA_RL030_STR-LQUA_BTAPS sy-vline 
WA_RL030_STR-EDATU sy-vline 
WA_RL030_STR-EZEIT sy-vline 
WA_RL030_STR-ADATU sy-vline 
WA_RL030_STR-AZEIT sy-vline 
WA_RL030_STR-ZDATU sy-vline 
WA_RL030_STR-WDATU sy-vline 
WA_RL030_STR-WENUM sy-vline 
WA_RL030_STR-WEPOS sy-vline 
WA_RL030_STR-LETYP sy-vline 
WA_RL030_STR-MEINS sy-vline 
WA_RL030_STR-GESME sy-vline 
WA_RL030_STR-VERME sy-vline 
WA_RL030_STR-EINME sy-vline 
WA_RL030_STR-AUSME sy-vline 
WA_RL030_STR-LQUA_MGEWI sy-vline 
WA_RL030_STR-LQUA_GEWEI sy-vline 
WA_RL030_STR-TBNUM sy-vline 
WA_RL030_STR-LQUA_IVNUM sy-vline 
WA_RL030_STR-LQUA_IVPOS sy-vline 
WA_RL030_STR-BETYP sy-vline 
WA_RL030_STR-BENUM sy-vline 
WA_RL030_STR-LENUM sy-vline 
WA_RL030_STR-QPLOS sy-vline 
WA_RL030_STR-VFDAT sy-vline 
WA_RL030_STR-QKAPV sy-vline 
WA_RL030_STR-LQUA_KOBER sy-vline 
WA_RL030_STR-LGORT sy-vline 
WA_RL030_STR-VBELN sy-vline 
WA_RL030_STR-POSNR sy-vline 
WA_RL030_STR-LQUA_IDATU sy-vline 
WA_RL030_STR-SGT_SCAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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