ABAP Select data from SAP table RN1ME_ALV_IMP_BDCCAGENT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RN1ME_ALV_IMP_BDCCAGENT 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 RN1ME_ALV_IMP_BDCCAGENT. 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 RN1ME_ALV_IMP_BDCCAGENT 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_RN1ME_ALV_IMP_BDCCAGENT TYPE STANDARD TABLE OF RN1ME_ALV_IMP_BDCCAGENT,
      WA_RN1ME_ALV_IMP_BDCCAGENT TYPE RN1ME_ALV_IMP_BDCCAGENT,
      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: <RN1ME_ALV_IMP_BDCCAGENT> TYPE RN1ME_ALV_IMP_BDCCAGENT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RN1ME_ALV_IMP_BDCCAGENT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RN1ME_ALV_IMP_BDCCAGENT
  INTO TABLE IT_RN1ME_ALV_IMP_BDCCAGENT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RN1ME_ALV_IMP_BDCCAGENT
*  INTO TABLE @DATA(IT_RN1ME_ALV_IMP_BDCCAGENT2).
*--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_RN1ME_ALV_IMP_BDCCAGENT INDEX 1 INTO DATA(WA_RN1ME_ALV_IMP_BDCCAGENT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RN1ME_ALV_IMP_BDCCAGENT ASSIGNING <RN1ME_ALV_IMP_BDCCAGENT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RN1ME_ALV_IMP_BDCCAGENT>-ACTMODE = 1.
<RN1ME_ALV_IMP_BDCCAGENT>-STATUSI = 1.
<RN1ME_ALV_IMP_BDCCAGENT>-HINWEIS = 1.
<RN1ME_ALV_IMP_BDCCAGENT>-CATIDBDC = 1.
<RN1ME_ALV_IMP_BDCCAGENT>-EXTKEY_BDCC = 1.

ENDLOOP.

LOOP AT IT_RN1ME_ALV_IMP_BDCCAGENT INTO WA_RN1ME_ALV_IMP_BDCCAGENT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RN1ME_ALV_IMP_BDCCAGENT-EXTKEY_AGENT, sy-vline,
  WA_RN1ME_ALV_IMP_BDCCAGENT-VERSDATE, sy-vline,
  WA_RN1ME_ALV_IMP_BDCCAGENT-MANDT, sy-vline,
  WA_RN1ME_ALV_IMP_BDCCAGENT-DRUGIDBDC, sy-vline,
  WA_RN1ME_ALV_IMP_BDCCAGENT-AGENTID, sy-vline,
  WA_RN1ME_ALV_IMP_BDCCAGENT-AGENTROLE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RN1ME_ALV_IMP_BDCCAGENT 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_RN1ME_ALV_IMP_BDCCAGENT 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_RN1ME_ALV_IMP_BDCCAGENT INTO WA_RN1ME_ALV_IMP_BDCCAGENT.


*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 UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCCAGENT-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCCAGENT-UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MEQUA, internal->external for field STRGTH
CALL FUNCTION 'CONVERSION_EXIT_MEQUA_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCCAGENT-STRGTH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCCAGENT-STRGTH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MEQUA, internal->external for field QUANT
CALL FUNCTION 'CONVERSION_EXIT_MEQUA_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCCAGENT-QUANT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCCAGENT-QUANT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUANTU
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCCAGENT-QUANTU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCCAGENT-QUANTU.
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_RN1ME_ALV_IMP_BDCCAGENT_STR, 
ACTMODE TYPE STRING,
STATUSI TYPE STRING,
HINWEIS TYPE STRING,
CATIDBDC TYPE STRING,
EXTKEY_BDCC TYPE STRING,
EXTKEY_AGENT TYPE STRING,
VERSDATE TYPE STRING,
MANDT TYPE STRING,
DRUGIDBDC TYPE STRING,
AGENTID TYPE STRING,
AGENTROLE TYPE STRING,
UNIT TYPE STRING,
STRGTH TYPE STRING,
QUANT TYPE STRING,
QUANTU TYPE STRING,
ERDAT TYPE STRING,
ERTIM TYPE STRING,
ERUSR TYPE STRING,
UPDAT TYPE STRING,
UPTIM TYPE STRING,
UPUSR TYPE STRING,
CHANGES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RN1ME_ALV_IMP_BDCCAGENT_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_RN1ME_ALV_IMP_BDCCAGENT_STR-ACTMODE sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-STATUSI sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-HINWEIS sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-CATIDBDC sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-EXTKEY_BDCC sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-EXTKEY_AGENT sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-VERSDATE sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-MANDT sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-DRUGIDBDC sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-AGENTID sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-AGENTROLE sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-UNIT sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-STRGTH sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-QUANT sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-QUANTU sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-ERDAT sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-ERTIM sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-ERUSR sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-UPDAT sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-UPTIM sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-UPUSR sy-vline 
WA_RN1ME_ALV_IMP_BDCCAGENT_STR-CHANGES sy-vline      INTO ld_text SEPARATED BY SPACE.

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