ABAP Select data from SAP table CFG_EAM_IB01_CR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CFG_EAM_IB01_CR 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 CFG_EAM_IB01_CR. 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 CFG_EAM_IB01_CR 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_CFG_EAM_IB01_CR TYPE STANDARD TABLE OF CFG_EAM_IB01_CR,
      WA_CFG_EAM_IB01_CR TYPE CFG_EAM_IB01_CR,
      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: <CFG_EAM_IB01_CR> TYPE CFG_EAM_IB01_CR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CFG_EAM_IB01_CR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CFG_EAM_IB01_CR
  INTO TABLE IT_CFG_EAM_IB01_CR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFG_EAM_IB01_CR
*  INTO TABLE @DATA(IT_CFG_EAM_IB01_CR2).
*--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_CFG_EAM_IB01_CR INDEX 1 INTO DATA(WA_CFG_EAM_IB01_CR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CFG_EAM_IB01_CR ASSIGNING <CFG_EAM_IB01_CR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFG_EAM_IB01_CR>-I_MANDT = 1.
<CFG_EAM_IB01_CR>-I_EQUNR = 1.
<CFG_EAM_IB01_CR>-I_STLAN = 1.
<CFG_EAM_IB01_CR>-I_WERKS = 1.
<CFG_EAM_IB01_CR>-I_IDNRK = 1.

ENDLOOP.

LOOP AT IT_CFG_EAM_IB01_CR INTO WA_CFG_EAM_IB01_CR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFG_EAM_IB01_CR-I_BMENG, sy-vline,
  WA_CFG_EAM_IB01_CR-I_MEINS, sy-vline,
  WA_CFG_EAM_IB01_CR-I_MENGE, sy-vline,
  WA_CFG_EAM_IB01_CR-I_POSNR, sy-vline,
  WA_CFG_EAM_IB01_CR-I_POSTP, sy-vline,
  WA_CFG_EAM_IB01_CR-I_POTX1_1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFG_EAM_IB01_CR 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_CFG_EAM_IB01_CR 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_CFG_EAM_IB01_CR INTO WA_CFG_EAM_IB01_CR.


*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 I_EQUNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFG_EAM_IB01_CR-I_EQUNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFG_EAM_IB01_CR-I_EQUNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field I_IDNRK
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CFG_EAM_IB01_CR-I_IDNRK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFG_EAM_IB01_CR-I_IDNRK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field I_MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CFG_EAM_IB01_CR-I_MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFG_EAM_IB01_CR-I_MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field I_POSNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CFG_EAM_IB01_CR-I_POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFG_EAM_IB01_CR-I_POSNR.
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_CFG_EAM_IB01_CR_STR, 
I_MANDT TYPE STRING,
I_EQUNR TYPE STRING,
I_STLAN TYPE STRING,
I_WERKS TYPE STRING,
I_IDNRK TYPE STRING,
I_BMENG TYPE STRING,
I_MEINS TYPE STRING,
I_MENGE TYPE STRING,
I_POSNR TYPE STRING,
I_POSTP TYPE STRING,
I_POTX1_1 TYPE STRING,
I_POTX1_2 TYPE STRING,
I_SORTF TYPE STRING,
I_SPRAS_1 TYPE STRING,
I_SPRAS_2 TYPE STRING,
I_STLST TYPE STRING,
I_ZTEXT_1 TYPE STRING,
I_ZTEXT_2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFG_EAM_IB01_CR_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_CFG_EAM_IB01_CR_STR-I_MANDT sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_EQUNR sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_STLAN sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_WERKS sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_IDNRK sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_BMENG sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_MEINS sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_MENGE sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_POSNR sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_POSTP sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_POTX1_1 sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_POTX1_2 sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_SORTF sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_SPRAS_1 sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_SPRAS_2 sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_STLST sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_ZTEXT_1 sy-vline 
WA_CFG_EAM_IB01_CR_STR-I_ZTEXT_2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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