ABAP Select data from SAP table GLE_STR_ADB_KF_EXTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GLE_STR_ADB_KF_EXTR
*  INTO TABLE @DATA(IT_GLE_STR_ADB_KF_EXTR2).
*--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_GLE_STR_ADB_KF_EXTR INDEX 1 INTO DATA(WA_GLE_STR_ADB_KF_EXTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GLE_STR_ADB_KF_EXTR>-LEDENV = 1.
<GLE_STR_ADB_KF_EXTR>-CLCDAT = 1.
<GLE_STR_ADB_KF_EXTR>-ACTIV = 1.
<GLE_STR_ADB_KF_EXTR>-RMVCT = 1.
<GLE_STR_ADB_KF_EXTR>-RTCUR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GLE_STR_ADB_KF_EXTR-RUNIT, sy-vline,
  WA_GLE_STR_ADB_KF_EXTR-AWTYP, sy-vline,
  WA_GLE_STR_ADB_KF_EXTR-RLDNR, sy-vline,
  WA_GLE_STR_ADB_KF_EXTR-RRCTY, sy-vline,
  WA_GLE_STR_ADB_KF_EXTR-RVERS, sy-vline,
  WA_GLE_STR_ADB_KF_EXTR-LOGSYS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GLE_STR_ADB_KF_EXTR 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_GLE_STR_ADB_KF_EXTR 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_GLE_STR_ADB_KF_EXTR INTO WA_GLE_STR_ADB_KF_EXTR.


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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PSEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GLE_STR_ADB_KF_EXTR-PSEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLE_STR_ADB_KF_EXTR-PSEGMENT.
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_GLE_STR_ADB_KF_EXTR_STR, 
LEDENV TYPE STRING,
CLCDAT TYPE STRING,
ACTIV TYPE STRING,
RMVCT TYPE STRING,
RTCUR TYPE STRING,
RUNIT TYPE STRING,
AWTYP TYPE STRING,
RLDNR TYPE STRING,
RRCTY TYPE STRING,
RVERS TYPE STRING,
LOGSYS TYPE STRING,
RACCT TYPE STRING,
COST_ELEM TYPE STRING,
RBUKRS TYPE STRING,
RCNTR TYPE STRING,
PRCTR TYPE STRING,
RFAREA TYPE STRING,
RBUSA TYPE STRING,
KOKRS TYPE STRING,
SEGMENT TYPE STRING,
SCNTR TYPE STRING,
PPRCTR TYPE STRING,
SFAREA TYPE STRING,
SBUSA TYPE STRING,
RASSC TYPE STRING,
PSEGMENT TYPE STRING,
TIMESTAMP TYPE STRING,
CURTYPE TYPE STRING,
CHARTACCTS TYPE STRING,
PRDAYBAL TYPE STRING,
CURDAYACT TYPE STRING,
CURMONTHBAL TYPE STRING,
YTODATEBAL TYPE STRING,
PRMONTHBAL TYPE STRING,
CURMONTHAVG TYPE STRING,
QTODATEAVG TYPE STRING,
YTODATEAVG TYPE STRING,
AVGACT TYPE STRING,
QTODATEACT TYPE STRING,
AVGACTDB1 TYPE STRING,
AVGACTDB9 TYPE STRING,
CURRUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GLE_STR_ADB_KF_EXTR_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_GLE_STR_ADB_KF_EXTR_STR-LEDENV sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-CLCDAT sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-ACTIV sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-RMVCT sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-RTCUR sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-RUNIT sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-AWTYP sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-RLDNR sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-RRCTY sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-RVERS sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-LOGSYS sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-RACCT sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-COST_ELEM sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-RBUKRS sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-RCNTR sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-PRCTR sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-RFAREA sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-RBUSA sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-KOKRS sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-SEGMENT sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-SCNTR sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-PPRCTR sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-SFAREA sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-SBUSA sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-RASSC sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-PSEGMENT sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-TIMESTAMP sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-CURTYPE sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-CHARTACCTS sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-PRDAYBAL sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-CURDAYACT sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-CURMONTHBAL sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-YTODATEBAL sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-PRMONTHBAL sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-CURMONTHAVG sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-QTODATEAVG sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-YTODATEAVG sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-AVGACT sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-QTODATEACT sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-AVGACTDB1 sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-AVGACTDB9 sy-vline 
WA_GLE_STR_ADB_KF_EXTR_STR-CURRUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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