ABAP Select data from SAP table /ISDFPS/ME_CONF_HEADER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ISDFPS/ME_CONF_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 /ISDFPS/ME_CONF_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 /ISDFPS/ME_CONF_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_/ISDFPS/ME_CONF_HEADER TYPE STANDARD TABLE OF /ISDFPS/ME_CONF_HEADER,
      WA_/ISDFPS/ME_CONF_HEADER TYPE /ISDFPS/ME_CONF_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: </ISDFPS/ME_CONF_HEADER> TYPE /ISDFPS/ME_CONF_HEADER.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ISDFPS/ME_CONF_HEADER
  INTO TABLE IT_/ISDFPS/ME_CONF_HEADER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/ME_CONF_HEADER
*  INTO TABLE @DATA(IT_/ISDFPS/ME_CONF_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_/ISDFPS/ME_CONF_HEADER INDEX 1 INTO DATA(WA_/ISDFPS/ME_CONF_HEADER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ISDFPS/ME_CONF_HEADER ASSIGNING </ISDFPS/ME_CONF_HEADER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/ME_CONF_HEADER>-CONF_NO = 1.
</ISDFPS/ME_CONF_HEADER>-CONF_CNT = 1.
</ISDFPS/ME_CONF_HEADER>-ORDERID = 1.
</ISDFPS/ME_CONF_HEADER>-OPERATION = 1.
</ISDFPS/ME_CONF_HEADER>-SUB_OPER = 1.

ENDLOOP.

LOOP AT IT_/ISDFPS/ME_CONF_HEADER INTO WA_/ISDFPS/ME_CONF_HEADER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/ME_CONF_HEADER-CAPA_CATEGORY, sy-vline,
  WA_/ISDFPS/ME_CONF_HEADER-SPLIT, sy-vline,
  WA_/ISDFPS/ME_CONF_HEADER-CREATED_BY, sy-vline,
  WA_/ISDFPS/ME_CONF_HEADER-CREATED_DATE, sy-vline,
  WA_/ISDFPS/ME_CONF_HEADER-CREATED_TIME, sy-vline,
  WA_/ISDFPS/ME_CONF_HEADER-CREATED_DATE_TZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/ME_CONF_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_/ISDFPS/ME_CONF_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_/ISDFPS/ME_CONF_HEADER INTO WA_/ISDFPS/ME_CONF_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 ALPHA, internal->external for field ORDERID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/ME_CONF_HEADER-ORDERID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/ME_CONF_HEADER-ORDERID.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field UN_WORK_2
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/ME_CONF_HEADER-UN_WORK_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/ME_CONF_HEADER-UN_WORK_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UN_REM_WRK_2
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/ME_CONF_HEADER-UN_REM_WRK_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/ME_CONF_HEADER-UN_REM_WRK_2.
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_/ISDFPS/ME_CONF_HEADER_STR, 
CONF_NO TYPE STRING,
CONF_CNT TYPE STRING,
ORDERID TYPE STRING,
OPERATION TYPE STRING,
SUB_OPER TYPE STRING,
CAPA_CATEGORY TYPE STRING,
SPLIT TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_DATE TYPE STRING,
CREATED_TIME TYPE STRING,
CREATED_DATE_TZ TYPE STRING,
CREATED_DATE_UTC TYPE STRING,
REVERSED TYPE STRING,
REV_CONF_CNT TYPE STRING,
FIN_CONF TYPE STRING,
COMPLETE TYPE STRING,
CLEAR_RES TYPE STRING,
POSTG_DATE TYPE STRING,
DEV_REASON TYPE STRING,
DEV_REAS_TXT TYPE STRING,
CONF_TEXT TYPE STRING,
PLANT TYPE STRING,
WORK_CNTR TYPE STRING,
COSTCENTER TYPE STRING,
CO_AREA TYPE STRING,
ACT_WORK TYPE STRING,
UN_WORK TYPE STRING,
UN_WORK_ISO TYPE STRING,
REM_WORK TYPE STRING,
UN_REM_WRK TYPE STRING,
UN_REM_WRK_ISO TYPE STRING,
ACTUAL_DUR TYPE STRING,
UN_ACT_DUR TYPE STRING,
UN_ACT_DUR_ISO TYPE STRING,
EXEC_START_DATE TYPE STRING,
EXEC_START_TIME TYPE STRING,
EXEC_START_DATE_TZ TYPE STRING,
EXEC_START_DATE_UTC TYPE STRING,
EXEC_FIN_DATE TYPE STRING,
EXEC_FIN_TIME TYPE STRING,
EXEC_FIN_DATE_TZ TYPE STRING,
EXEC_FIN_DATE_UTC TYPE STRING,
FCST_FIN_DATE TYPE STRING,
FCST_FIN_TIME TYPE STRING,
FCST_FIN_DATE_TZ TYPE STRING,
FCST_FIN_DATE_UTC TYPE STRING,
PERS_NO TYPE STRING,
NAME TYPE STRING,
TIMEID_NO TYPE STRING,
ACT_TYPE TYPE STRING,
WAGETYPE TYPE STRING,
CALC_MOTIVE TYPE STRING,
EX_CREATED_BY TYPE STRING,
EX_CREATED_DATE TYPE STRING,
EX_CREATED_TIME TYPE STRING,
EX_CREATED_DATE_TC TYPE STRING,
EX_CREATED_DATE_UTC TYPE STRING,
EX_IDENT TYPE STRING,
ACT_WORK_2 TYPE STRING,
UN_WORK_2 TYPE STRING,
UN_WORK_ISO_2 TYPE STRING,
REM_WORK_2 TYPE STRING,
UN_REM_WRK_2 TYPE STRING,
UN_REM_WRK_ISO_2 TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_DATE TYPE STRING,
CHANGE_DATE_TZ TYPE STRING,
CHANGE_DATE_UTC TYPE STRING,
TXTSP TYPE STRING,
ORDER_GUID TYPE STRING,
DUMMY1 TYPE STRING,
DUMMY2 TYPE STRING,
DUMMY3 TYPE STRING,
DUMMY4 TYPE STRING,
DUMMY5 TYPE STRING,
DUMMY6 TYPE STRING,
DUMMY7 TYPE STRING,
DUMMY8 TYPE STRING,
DUMMY9 TYPE STRING,
DUMMY10 TYPE STRING,
DUMMY11 TYPE STRING,
DUMMY12 TYPE STRING,
DUMMY13 TYPE STRING,
SKIP_VAL_SERVICE TYPE STRING,
IS_CLNT_RESOLVED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/ME_CONF_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_/ISDFPS/ME_CONF_HEADER_STR-CONF_NO sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CONF_CNT sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-ORDERID sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-OPERATION sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-SUB_OPER sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CAPA_CATEGORY sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-SPLIT sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CREATED_BY sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CREATED_DATE sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CREATED_TIME sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CREATED_DATE_TZ sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CREATED_DATE_UTC sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-REVERSED sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-REV_CONF_CNT sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-FIN_CONF sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-COMPLETE sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CLEAR_RES sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-POSTG_DATE sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DEV_REASON sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DEV_REAS_TXT sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CONF_TEXT sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-PLANT sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-WORK_CNTR sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-COSTCENTER sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CO_AREA sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-ACT_WORK sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-UN_WORK sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-UN_WORK_ISO sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-REM_WORK sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-UN_REM_WRK sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-UN_REM_WRK_ISO sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-ACTUAL_DUR sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-UN_ACT_DUR sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-UN_ACT_DUR_ISO sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EXEC_START_DATE sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EXEC_START_TIME sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EXEC_START_DATE_TZ sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EXEC_START_DATE_UTC sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EXEC_FIN_DATE sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EXEC_FIN_TIME sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EXEC_FIN_DATE_TZ sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EXEC_FIN_DATE_UTC sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-FCST_FIN_DATE sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-FCST_FIN_TIME sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-FCST_FIN_DATE_TZ sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-FCST_FIN_DATE_UTC sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-PERS_NO sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-NAME sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-TIMEID_NO sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-ACT_TYPE sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-WAGETYPE sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CALC_MOTIVE sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EX_CREATED_BY sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EX_CREATED_DATE sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EX_CREATED_TIME sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EX_CREATED_DATE_TC sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EX_CREATED_DATE_UTC sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-EX_IDENT sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-ACT_WORK_2 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-UN_WORK_2 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-UN_WORK_ISO_2 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-REM_WORK_2 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-UN_REM_WRK_2 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-UN_REM_WRK_ISO_2 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CHANGED_BY sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CHANGED_DATE sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CHANGE_DATE_TZ sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-CHANGE_DATE_UTC sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-TXTSP sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-ORDER_GUID sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY1 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY2 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY3 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY4 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY5 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY6 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY7 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY8 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY9 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY10 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY11 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY12 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-DUMMY13 sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-SKIP_VAL_SERVICE sy-vline 
WA_/ISDFPS/ME_CONF_HEADER_STR-IS_CLNT_RESOLVED sy-vline      INTO ld_text SEPARATED BY SPACE.

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