ABAP Select data from SAP table COEP_ABR_HIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COEP_ABR_HIST
*  INTO TABLE @DATA(IT_COEP_ABR_HIST2).
*--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_COEP_ABR_HIST INDEX 1 INTO DATA(WA_COEP_ABR_HIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COEP_ABR_HIST>-LFDNR = 1.
<COEP_ABR_HIST>-KOKRS = 1.
<COEP_ABR_HIST>-BELNR = 1.
<COEP_ABR_HIST>-BUZEI = 1.
<COEP_ABR_HIST>-ABWNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COEP_ABR_HIST-ABWST, sy-vline,
  WA_COEP_ABR_HIST-ABWTX, sy-vline,
  WA_COEP_ABR_HIST-BUREG, sy-vline,
  WA_COEP_ABR_HIST-WKGBTR, sy-vline,
  WA_COEP_ABR_HIST-KWAER, sy-vline,
  WA_COEP_ABR_HIST-WOGBTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_COEP_ABR_HIST 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_COEP_ABR_HIST 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_COEP_ABR_HIST INTO WA_COEP_ABR_HIST.


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

*Conversion exit AC152, internal->external for field WKGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_COEP_ABR_HIST-WKGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COEP_ABR_HIST-WKGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WOGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_COEP_ABR_HIST-WOGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COEP_ABR_HIST-WOGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_COEP_ABR_HIST-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COEP_ABR_HIST-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_COEP_ABR_HIST-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COEP_ABR_HIST-ANLN2.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AC132, internal->external for field ANBTR
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_COEP_ABR_HIST-ANBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COEP_ABR_HIST-ANBTR.
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_COEP_ABR_HIST_STR, 
LFDNR TYPE STRING,
KOKRS TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
ABWNR TYPE STRING,
ABWST TYPE STRING,
ABWTX TYPE STRING,
BUREG TYPE STRING,
WKGBTR TYPE STRING,
KWAER TYPE STRING,
WOGBTR TYPE STRING,
OWAER TYPE STRING,
BUKRS TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
URSCH TYPE STRING,
URZUO TYPE STRING,
ANBTR TYPE STRING,
AWAER TYPE STRING,
AFABE TYPE STRING,
AFBTX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COEP_ABR_HIST_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_COEP_ABR_HIST_STR-LFDNR sy-vline 
WA_COEP_ABR_HIST_STR-KOKRS sy-vline 
WA_COEP_ABR_HIST_STR-BELNR sy-vline 
WA_COEP_ABR_HIST_STR-BUZEI sy-vline 
WA_COEP_ABR_HIST_STR-ABWNR sy-vline 
WA_COEP_ABR_HIST_STR-ABWST sy-vline 
WA_COEP_ABR_HIST_STR-ABWTX sy-vline 
WA_COEP_ABR_HIST_STR-BUREG sy-vline 
WA_COEP_ABR_HIST_STR-WKGBTR sy-vline 
WA_COEP_ABR_HIST_STR-KWAER sy-vline 
WA_COEP_ABR_HIST_STR-WOGBTR sy-vline 
WA_COEP_ABR_HIST_STR-OWAER sy-vline 
WA_COEP_ABR_HIST_STR-BUKRS sy-vline 
WA_COEP_ABR_HIST_STR-ANLN1 sy-vline 
WA_COEP_ABR_HIST_STR-ANLN2 sy-vline 
WA_COEP_ABR_HIST_STR-URSCH sy-vline 
WA_COEP_ABR_HIST_STR-URZUO sy-vline 
WA_COEP_ABR_HIST_STR-ANBTR sy-vline 
WA_COEP_ABR_HIST_STR-AWAER sy-vline 
WA_COEP_ABR_HIST_STR-AFABE sy-vline 
WA_COEP_ABR_HIST_STR-AFBTX sy-vline      INTO ld_text SEPARATED BY SPACE.

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