ABAP Select data from SAP table EBC_INSTDATA_RED into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EBC_INSTDATA_RED
*  INTO TABLE @DATA(IT_EBC_INSTDATA_RED2).
*--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_EBC_INSTDATA_RED INDEX 1 INTO DATA(WA_EBC_INSTDATA_RED2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EBC_INSTDATA_RED>-ANLAGE = 1.
<EBC_INSTDATA_RED>-IEVER = 1.
<EBC_INSTDATA_RED>-INST = 1.
<EBC_INSTDATA_RED>-USE_INST = 1.
<EBC_INSTDATA_RED>-ANLAGE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EBC_INSTDATA_RED-AB, sy-vline,
  WA_EBC_INSTDATA_RED-BIS, sy-vline,
  WA_EBC_INSTDATA_RED-IEANL, sy-vline,
  WA_EBC_INSTDATA_RED-USE_IEANL, sy-vline,
  WA_EBC_INSTDATA_RED-IEASTS, sy-vline,
  WA_EBC_INSTDATA_RED-IEASTL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EBC_INSTDATA_RED 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_EBC_INSTDATA_RED 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_EBC_INSTDATA_RED INTO WA_EBC_INSTDATA_RED.


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

*Conversion exit ALPHA, internal->external for field ANLAGE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EBC_INSTDATA_RED-ANLAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EBC_INSTDATA_RED-ANLAGE.
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_EBC_INSTDATA_RED_STR, 
ANLAGE TYPE STRING,
IEVER TYPE STRING,
INST TYPE STRING,
USE_INST TYPE STRING,
ANLAGE TYPE STRING,
AB TYPE STRING,
BIS TYPE STRING,
IEANL TYPE STRING,
USE_IEANL TYPE STRING,
IEASTS TYPE STRING,
IEASTL TYPE STRING,
IVEASTIH TYPE STRING,
IETDZ TYPE STRING,
IEADZ TYPE STRING,
IEZUZ TYPE STRING,
IVEDISCOBJ TYPE STRING,
IEDISCDOC TYPE STRING,
IDEVNUM TYPE STRING,
IDEVTRAFO TYPE STRING,
IDEVAMS TYPE STRING,
IEPROFASS TYPE STRING,
IEPROFHEAD TYPE STRING,
USE_EABL_FOR_REGEXTR TYPE STRING,
IEABL TYPE STRING,
IEABLG TYPE STRING,
IEABLQDCONV TYPE STRING,
USE_IALLEVER TYPE STRING,
IALLEVER TYPE STRING,
IEABL_BI TYPE STRING,
IEABLG_BI TYPE STRING,
IEABLQDCONV_BI TYPE STRING,
USE_EABL_BI TYPE STRING,
USE_IEASTE TYPE STRING,
IEASTE TYPE STRING,
IEADZ_QD TYPE STRING,
IEABL TYPE STRING,
IEABLG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EBC_INSTDATA_RED_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_EBC_INSTDATA_RED_STR-ANLAGE sy-vline 
WA_EBC_INSTDATA_RED_STR-IEVER sy-vline 
WA_EBC_INSTDATA_RED_STR-INST sy-vline 
WA_EBC_INSTDATA_RED_STR-USE_INST sy-vline 
WA_EBC_INSTDATA_RED_STR-ANLAGE sy-vline 
WA_EBC_INSTDATA_RED_STR-AB sy-vline 
WA_EBC_INSTDATA_RED_STR-BIS sy-vline 
WA_EBC_INSTDATA_RED_STR-IEANL sy-vline 
WA_EBC_INSTDATA_RED_STR-USE_IEANL sy-vline 
WA_EBC_INSTDATA_RED_STR-IEASTS sy-vline 
WA_EBC_INSTDATA_RED_STR-IEASTL sy-vline 
WA_EBC_INSTDATA_RED_STR-IVEASTIH sy-vline 
WA_EBC_INSTDATA_RED_STR-IETDZ sy-vline 
WA_EBC_INSTDATA_RED_STR-IEADZ sy-vline 
WA_EBC_INSTDATA_RED_STR-IEZUZ sy-vline 
WA_EBC_INSTDATA_RED_STR-IVEDISCOBJ sy-vline 
WA_EBC_INSTDATA_RED_STR-IEDISCDOC sy-vline 
WA_EBC_INSTDATA_RED_STR-IDEVNUM sy-vline 
WA_EBC_INSTDATA_RED_STR-IDEVTRAFO sy-vline 
WA_EBC_INSTDATA_RED_STR-IDEVAMS sy-vline 
WA_EBC_INSTDATA_RED_STR-IEPROFASS sy-vline 
WA_EBC_INSTDATA_RED_STR-IEPROFHEAD sy-vline 
WA_EBC_INSTDATA_RED_STR-USE_EABL_FOR_REGEXTR sy-vline 
WA_EBC_INSTDATA_RED_STR-IEABL sy-vline 
WA_EBC_INSTDATA_RED_STR-IEABLG sy-vline 
WA_EBC_INSTDATA_RED_STR-IEABLQDCONV sy-vline 
WA_EBC_INSTDATA_RED_STR-USE_IALLEVER sy-vline 
WA_EBC_INSTDATA_RED_STR-IALLEVER sy-vline 
WA_EBC_INSTDATA_RED_STR-IEABL_BI sy-vline 
WA_EBC_INSTDATA_RED_STR-IEABLG_BI sy-vline 
WA_EBC_INSTDATA_RED_STR-IEABLQDCONV_BI sy-vline 
WA_EBC_INSTDATA_RED_STR-USE_EABL_BI sy-vline 
WA_EBC_INSTDATA_RED_STR-USE_IEASTE sy-vline 
WA_EBC_INSTDATA_RED_STR-IEASTE sy-vline 
WA_EBC_INSTDATA_RED_STR-IEADZ_QD sy-vline 
WA_EBC_INSTDATA_RED_STR-IEABL sy-vline 
WA_EBC_INSTDATA_RED_STR-IEABLG sy-vline      INTO ld_text SEPARATED BY SPACE.

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