ABAP Select data from SAP table RL070 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RL070 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 RL070. 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 RL070 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_RL070 TYPE STANDARD TABLE OF RL070,
      WA_RL070 TYPE RL070,
      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: <RL070> TYPE RL070.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RL070.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RL070
  INTO TABLE IT_RL070.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RL070
*  INTO TABLE @DATA(IT_RL0702).
*--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_RL070 INDEX 1 INTO DATA(WA_RL0702).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RL070 ASSIGNING <RL070>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RL070>-MANDT = 1.
<RL070>-LGNUM = 1.
<RL070>-LQNUM = 1.
<RL070>-MATNR = 1.
<RL070>-WERKS = 1.

ENDLOOP.

LOOP AT IT_RL070 INTO WA_RL070.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RL070-CHARG, sy-vline,
  WA_RL070-BESTQ, sy-vline,
  WA_RL070-SOBKZ, sy-vline,
  WA_RL070-SONUM, sy-vline,
  WA_RL070-LGTYP, sy-vline,
  WA_RL070-LGPLA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RL070 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_RL070 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_RL070 INTO WA_RL070.


*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_RL070-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL070-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SONUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL070-SONUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL070-SONUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WENUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL070-WENUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL070-WENUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RL070-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL070-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RL070-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL070-GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field IVNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL070-IVNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL070-IVNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BENUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL070-BENUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL070-BENUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LENUM, internal->external for field LENUM
CALL FUNCTION 'CONVERSION_EXIT_LENUM_OUTPUT'
  EXPORTING
    input =                      WA_RL070-LENUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL070-LENUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field QPLOS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL070-QPLOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL070-QPLOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RL070-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL070-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ALTME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RL070-ALTME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RL070-ALTME.
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_RL070_STR, 
MANDT TYPE STRING,
LGNUM TYPE STRING,
LQNUM TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
CHARG TYPE STRING,
BESTQ TYPE STRING,
SOBKZ TYPE STRING,
SONUM TYPE STRING,
LGTYP TYPE STRING,
LGPLA TYPE STRING,
PLPOS TYPE STRING,
SKZUE TYPE STRING,
SKZUA TYPE STRING,
SKZSE TYPE STRING,
SKZSA TYPE STRING,
SKZSI TYPE STRING,
SPGRU TYPE STRING,
ZEUGN TYPE STRING,
BDATU TYPE STRING,
BZEIT TYPE STRING,
BTANR TYPE STRING,
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,
MGEWI TYPE STRING,
GEWEI TYPE STRING,
TBNUM TYPE STRING,
IVNUM TYPE STRING,
IVPOS TYPE STRING,
BETYP TYPE STRING,
BENUM TYPE STRING,
LENUM TYPE STRING,
QPLOS TYPE STRING,
VFDAT TYPE STRING,
QKAPV TYPE STRING,
KOBER TYPE STRING,
LGORT TYPE STRING,
VIRGO TYPE STRING,
TRAME TYPE STRING,
KZHUQ TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
IDATU TYPE STRING,
MSR_INSP_GUID TYPE STRING,
SGT_SCAT TYPE STRING,
NANUM TYPE STRING,
ISTAT TYPE STRING,
NVERS TYPE STRING,
ISEIT TYPE STRING,
ANZLE TYPE STRING,
MENGE TYPE STRING,
ALTME TYPE STRING,
UMREN TYPE STRING,
UMREZ TYPE STRING,
MENGA TYPE STRING,
LINV_IDATU TYPE STRING,
KZINV TYPE STRING,
IRNUM TYPE STRING,
TANUM TYPE STRING,
TAPOS TYPE STRING,
UNAME TYPE STRING,
ICON TYPE STRING,
QUINV TYPE STRING,
LSONR TYPE STRING,
LINV_GESME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RL070_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_RL070_STR-MANDT sy-vline 
WA_RL070_STR-LGNUM sy-vline 
WA_RL070_STR-LQNUM sy-vline 
WA_RL070_STR-MATNR sy-vline 
WA_RL070_STR-WERKS sy-vline 
WA_RL070_STR-CHARG sy-vline 
WA_RL070_STR-BESTQ sy-vline 
WA_RL070_STR-SOBKZ sy-vline 
WA_RL070_STR-SONUM sy-vline 
WA_RL070_STR-LGTYP sy-vline 
WA_RL070_STR-LGPLA sy-vline 
WA_RL070_STR-PLPOS sy-vline 
WA_RL070_STR-SKZUE sy-vline 
WA_RL070_STR-SKZUA sy-vline 
WA_RL070_STR-SKZSE sy-vline 
WA_RL070_STR-SKZSA sy-vline 
WA_RL070_STR-SKZSI sy-vline 
WA_RL070_STR-SPGRU sy-vline 
WA_RL070_STR-ZEUGN sy-vline 
WA_RL070_STR-BDATU sy-vline 
WA_RL070_STR-BZEIT sy-vline 
WA_RL070_STR-BTANR sy-vline 
WA_RL070_STR-BTAPS sy-vline 
WA_RL070_STR-EDATU sy-vline 
WA_RL070_STR-EZEIT sy-vline 
WA_RL070_STR-ADATU sy-vline 
WA_RL070_STR-AZEIT sy-vline 
WA_RL070_STR-ZDATU sy-vline 
WA_RL070_STR-WDATU sy-vline 
WA_RL070_STR-WENUM sy-vline 
WA_RL070_STR-WEPOS sy-vline 
WA_RL070_STR-LETYP sy-vline 
WA_RL070_STR-MEINS sy-vline 
WA_RL070_STR-GESME sy-vline 
WA_RL070_STR-VERME sy-vline 
WA_RL070_STR-EINME sy-vline 
WA_RL070_STR-AUSME sy-vline 
WA_RL070_STR-MGEWI sy-vline 
WA_RL070_STR-GEWEI sy-vline 
WA_RL070_STR-TBNUM sy-vline 
WA_RL070_STR-IVNUM sy-vline 
WA_RL070_STR-IVPOS sy-vline 
WA_RL070_STR-BETYP sy-vline 
WA_RL070_STR-BENUM sy-vline 
WA_RL070_STR-LENUM sy-vline 
WA_RL070_STR-QPLOS sy-vline 
WA_RL070_STR-VFDAT sy-vline 
WA_RL070_STR-QKAPV sy-vline 
WA_RL070_STR-KOBER sy-vline 
WA_RL070_STR-LGORT sy-vline 
WA_RL070_STR-VIRGO sy-vline 
WA_RL070_STR-TRAME sy-vline 
WA_RL070_STR-KZHUQ sy-vline 
WA_RL070_STR-VBELN sy-vline 
WA_RL070_STR-POSNR sy-vline 
WA_RL070_STR-IDATU sy-vline 
WA_RL070_STR-MSR_INSP_GUID sy-vline 
WA_RL070_STR-SGT_SCAT sy-vline 
WA_RL070_STR-NANUM sy-vline 
WA_RL070_STR-ISTAT sy-vline 
WA_RL070_STR-NVERS sy-vline 
WA_RL070_STR-ISEIT sy-vline 
WA_RL070_STR-ANZLE sy-vline 
WA_RL070_STR-MENGE sy-vline 
WA_RL070_STR-ALTME sy-vline 
WA_RL070_STR-UMREN sy-vline 
WA_RL070_STR-UMREZ sy-vline 
WA_RL070_STR-MENGA sy-vline 
WA_RL070_STR-LINV_IDATU sy-vline 
WA_RL070_STR-KZINV sy-vline 
WA_RL070_STR-IRNUM sy-vline 
WA_RL070_STR-TANUM sy-vline 
WA_RL070_STR-TAPOS sy-vline 
WA_RL070_STR-UNAME sy-vline 
WA_RL070_STR-ICON sy-vline 
WA_RL070_STR-QUINV sy-vline 
WA_RL070_STR-LSONR sy-vline 
WA_RL070_STR-LINV_GESME sy-vline      INTO ld_text SEPARATED BY SPACE.

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