ABAP Select data from SAP table EAMS_S_BO_SGAP_HEADER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EAMS_S_BO_SGAP_HEADER
*  INTO TABLE @DATA(IT_EAMS_S_BO_SGAP_HEADER2).
*--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_EAMS_S_BO_SGAP_HEADER INDEX 1 INTO DATA(WA_EAMS_S_BO_SGAP_HEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EAMS_S_BO_SGAP_HEADER>-EAMS_HLGUID = 1.
<EAMS_S_BO_SGAP_HEADER>-MANDT = 1.
<EAMS_S_BO_SGAP_HEADER>-HLGUID = 1.
<EAMS_S_BO_SGAP_HEADER>-POBJNR = 1.
<EAMS_S_BO_SGAP_HEADER>-POSNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EAMS_S_BO_SGAP_HEADER-FUNCID, sy-vline,
  WA_EAMS_S_BO_SGAP_HEADER-MATNR, sy-vline,
  WA_EAMS_S_BO_SGAP_HEADER-COBJNR, sy-vline,
  WA_EAMS_S_BO_SGAP_HEADER-CREADAT, sy-vline,
  WA_EAMS_S_BO_SGAP_HEADER-CREABY, sy-vline,
  WA_EAMS_S_BO_SGAP_HEADER-CHNGDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EAMS_S_BO_SGAP_HEADER 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_EAMS_S_BO_SGAP_HEADER 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_EAMS_S_BO_SGAP_HEADER INTO WA_EAMS_S_BO_SGAP_HEADER.


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

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

*Conversion exit NUMCV, internal->external for field SPOSN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_BO_SGAP_HEADER-SPOSN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_BO_SGAP_HEADER-SPOSN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field /ISDFPS/LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_BO_SGAP_HEADER-/ISDFPS/LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_BO_SGAP_HEADER-/ISDFPS/LOGSYS.
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_EAMS_S_BO_SGAP_HEADER_STR, 
EAMS_HLGUID TYPE STRING,
MANDT TYPE STRING,
HLGUID TYPE STRING,
POBJNR TYPE STRING,
POSNR TYPE STRING,
FUNCID TYPE STRING,
MATNR TYPE STRING,
COBJNR TYPE STRING,
CREADAT TYPE STRING,
CREABY TYPE STRING,
CHNGDAT TYPE STRING,
CHNGBY TYPE STRING,
QUANTITY TYPE STRING,
QTYUNIT TYPE STRING,
STLKN TYPE STRING,
HEADER TYPE STRING,
SPOSN TYPE STRING,
/ISDFPS/LOGSYS TYPE STRING,
MAKTX TYPE STRING,
COBJTX TYPE STRING,
SUP_EAMS_TEC_OBJ_NO TYPE STRING,
SUP_EAMS_TEC_OBJ_DESC TYPE STRING,
SUP_TEC_OBJ_TYPE_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EAMS_S_BO_SGAP_HEADER_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_EAMS_S_BO_SGAP_HEADER_STR-EAMS_HLGUID sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-MANDT sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-HLGUID sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-POBJNR sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-POSNR sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-FUNCID sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-MATNR sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-COBJNR sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-CREADAT sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-CREABY sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-CHNGDAT sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-CHNGBY sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-QUANTITY sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-QTYUNIT sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-STLKN sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-HEADER sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-SPOSN sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-/ISDFPS/LOGSYS sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-MAKTX sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-COBJTX sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-SUP_EAMS_TEC_OBJ_NO sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-SUP_EAMS_TEC_OBJ_DESC sy-vline 
WA_EAMS_S_BO_SGAP_HEADER_STR-SUP_TEC_OBJ_TYPE_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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