ABAP Select data from SAP table RC70S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RC70S 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 RC70S. 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 RC70S 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_RC70S TYPE STANDARD TABLE OF RC70S,
      WA_RC70S TYPE RC70S,
      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: <RC70S> TYPE RC70S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RC70S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RC70S
  INTO TABLE IT_RC70S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RC70S
*  INTO TABLE @DATA(IT_RC70S2).
*--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_RC70S INDEX 1 INTO DATA(WA_RC70S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RC70S ASSIGNING <RC70S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RC70S>-SIGN_OBJ = 1.
<RC70S>-AENNR = 1.
<RC70S>-PRUEFLOS = 1.
<RC70S>-CRID = 1.
<RC70S>-EBRID = 1.

ENDLOOP.

LOOP AT IT_RC70S INTO WA_RC70S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RC70S-MATNR, sy-vline,
  WA_RC70S-WERKS, sy-vline,
  WA_RC70S-CHARG, sy-vline,
  WA_RC70S-OAENNR, sy-vline,
  WA_RC70S-AETYP, sy-vline,
  WA_RC70S-OBJKT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RC70S 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_RC70S 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_RC70S INTO WA_RC70S.


*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 AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RC70S-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RC70S-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRUEFLOS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RC70S-PRUEFLOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RC70S-PRUEFLOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RC70S-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RC70S-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OAENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RC70S-OAENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RC70S-OAENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RC70S-DOKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RC70S-DOKNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field COMM_LANG
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RC70S-COMM_LANG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RC70S-COMM_LANG.
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_RC70S_STR, 
SIGN_OBJ TYPE STRING,
AENNR TYPE STRING,
PRUEFLOS TYPE STRING,
CRID TYPE STRING,
EBRID TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
CHARG TYPE STRING,
OAENNR TYPE STRING,
AETYP TYPE STRING,
OBJKT TYPE STRING,
DOKAR TYPE STRING,
DOKNR TYPE STRING,
DOKTL TYPE STRING,
DOKVR TYPE STRING,
DOKST TYPE STRING,
PN_NR TYPE STRING,
SIGN_DATE TYPE STRING,
SIGN_TIME TYPE STRING,
SIGN_DATE_G TYPE STRING,
SIGN_TIME_G TYPE STRING,
SIGN_NO TYPE STRING,
COMM_LANG TYPE STRING,
SIGNER TYPE STRING,
SIGNER_NAM_FIRST TYPE STRING,
SIGNER_NAM_LAST TYPE STRING,
SIGNSTRAT TYPE STRING,
SIGNSTEP TYPE STRING,
SIGNAUTH TYPE STRING,
FLG_EOSP TYPE STRING,
METHOD TYPE STRING,
REASON TYPE STRING,
REASON_KTXT TYPE STRING,
TIMSTAMP TYPE STRING,
TZONE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RC70S_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_RC70S_STR-SIGN_OBJ sy-vline 
WA_RC70S_STR-AENNR sy-vline 
WA_RC70S_STR-PRUEFLOS sy-vline 
WA_RC70S_STR-CRID sy-vline 
WA_RC70S_STR-EBRID sy-vline 
WA_RC70S_STR-MATNR sy-vline 
WA_RC70S_STR-WERKS sy-vline 
WA_RC70S_STR-CHARG sy-vline 
WA_RC70S_STR-OAENNR sy-vline 
WA_RC70S_STR-AETYP sy-vline 
WA_RC70S_STR-OBJKT sy-vline 
WA_RC70S_STR-DOKAR sy-vline 
WA_RC70S_STR-DOKNR sy-vline 
WA_RC70S_STR-DOKTL sy-vline 
WA_RC70S_STR-DOKVR sy-vline 
WA_RC70S_STR-DOKST sy-vline 
WA_RC70S_STR-PN_NR sy-vline 
WA_RC70S_STR-SIGN_DATE sy-vline 
WA_RC70S_STR-SIGN_TIME sy-vline 
WA_RC70S_STR-SIGN_DATE_G sy-vline 
WA_RC70S_STR-SIGN_TIME_G sy-vline 
WA_RC70S_STR-SIGN_NO sy-vline 
WA_RC70S_STR-COMM_LANG sy-vline 
WA_RC70S_STR-SIGNER sy-vline 
WA_RC70S_STR-SIGNER_NAM_FIRST sy-vline 
WA_RC70S_STR-SIGNER_NAM_LAST sy-vline 
WA_RC70S_STR-SIGNSTRAT sy-vline 
WA_RC70S_STR-SIGNSTEP sy-vline 
WA_RC70S_STR-SIGNAUTH sy-vline 
WA_RC70S_STR-FLG_EOSP sy-vline 
WA_RC70S_STR-METHOD sy-vline 
WA_RC70S_STR-REASON sy-vline 
WA_RC70S_STR-REASON_KTXT sy-vline 
WA_RC70S_STR-TIMSTAMP sy-vline 
WA_RC70S_STR-TZONE sy-vline      INTO ld_text SEPARATED BY SPACE.

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