ABAP Select data from SAP table ESH_S_EX_FU_DEMON_FBK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_S_EX_FU_DEMON_FBK
*  INTO TABLE @DATA(IT_ESH_S_EX_FU_DEMON_FBK2).
*--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_ESH_S_EX_FU_DEMON_FBK INDEX 1 INTO DATA(WA_ESH_S_EX_FU_DEMON_FBK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_S_EX_FU_DEMON_FBK>-MANDT = 1.
<ESH_S_EX_FU_DEMON_FBK>-LOGSYS = 1.
<ESH_S_EX_FU_DEMON_FBK>-JOBNAME = 1.
<ESH_S_EX_FU_DEMON_FBK>-JOBSTART_TSTMP = 1.
<ESH_S_EX_FU_DEMON_FBK>-JOBSTART_UNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_S_EX_FU_DEMON_FBK-JOBSTART_STATUS, sy-vline,
  WA_ESH_S_EX_FU_DEMON_FBK-FU_LASTEXE_TSTMP, sy-vline,
  WA_ESH_S_EX_FU_DEMON_FBK-CP_LASTEXE_TSTMP, sy-vline,
  WA_ESH_S_EX_FU_DEMON_FBK-CP_LASTEXE_OBJTY, sy-vline,
  WA_ESH_S_EX_FU_DEMON_FBK-JOBFINISH_TSTMP, sy-vline,
  WA_ESH_S_EX_FU_DEMON_FBK-JOBFINISH_UNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_S_EX_FU_DEMON_FBK 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_ESH_S_EX_FU_DEMON_FBK 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_ESH_S_EX_FU_DEMON_FBK INTO WA_ESH_S_EX_FU_DEMON_FBK.


*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 LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_S_EX_FU_DEMON_FBK-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_S_EX_FU_DEMON_FBK-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_ESH_S_EX_FU_DEMON_FBK_STR, 
MANDT TYPE STRING,
LOGSYS TYPE STRING,
JOBNAME TYPE STRING,
JOBSTART_TSTMP TYPE STRING,
JOBSTART_UNAME TYPE STRING,
JOBSTART_STATUS TYPE STRING,
FU_LASTEXE_TSTMP TYPE STRING,
CP_LASTEXE_TSTMP TYPE STRING,
CP_LASTEXE_OBJTY TYPE STRING,
JOBFINISH_TSTMP TYPE STRING,
JOBFINISH_UNAME TYPE STRING,
JOBFINISH_STATUS TYPE STRING,
LOG_HANDLE TYPE STRING,
PROCESS_CYCLES TYPE STRING,
IDLE_PHASE_COUNT TYPE STRING,
LAST_PACKAGE_ID TYPE STRING,
PACKAGES_TOTAL TYPE STRING,
PACKAGES_SUCCESS TYPE STRING,
PACKAGES_W_ERR TYPE STRING,
PACKAGES_APPL_E TYPE STRING,
PACKAGES_MDAT_E TYPE STRING,
PACKAGES_PROV_E TYPE STRING,
PACKAGES_CONN_E TYPE STRING,
OBJTYPES_TOTAL TYPE STRING,
OBJTYPES_SUCCESS TYPE STRING,
OBJTYPES_W_ERR TYPE STRING,
OBJTYPES_SERI_E TYPE STRING,
OBJTYPES_DFD_E TYPE STRING,
OBJTYPES_DEL_E TYPE STRING,
OBJTYPES_INS_E TYPE STRING,
OBJTYPES_AUT_E TYPE STRING,
CPOINTER_RESET TYPE STRING,
CPOINTER_EXTRCTD TYPE STRING,
CPOINTER_SUCCESS TYPE STRING,
CPOINTER_W_ERR TYPE STRING,
CPOINTER_W_ERR_E TYPE STRING,
CPOINTER_W_ERR_U TYPE STRING,
ERRORS_LOGGED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_S_EX_FU_DEMON_FBK_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_ESH_S_EX_FU_DEMON_FBK_STR-MANDT sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-LOGSYS sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-JOBNAME sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-JOBSTART_TSTMP sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-JOBSTART_UNAME sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-JOBSTART_STATUS sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-FU_LASTEXE_TSTMP sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-CP_LASTEXE_TSTMP sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-CP_LASTEXE_OBJTY sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-JOBFINISH_TSTMP sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-JOBFINISH_UNAME sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-JOBFINISH_STATUS sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-LOG_HANDLE sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-PROCESS_CYCLES sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-IDLE_PHASE_COUNT sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-LAST_PACKAGE_ID sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-PACKAGES_TOTAL sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-PACKAGES_SUCCESS sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-PACKAGES_W_ERR sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-PACKAGES_APPL_E sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-PACKAGES_MDAT_E sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-PACKAGES_PROV_E sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-PACKAGES_CONN_E sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-OBJTYPES_TOTAL sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-OBJTYPES_SUCCESS sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-OBJTYPES_W_ERR sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-OBJTYPES_SERI_E sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-OBJTYPES_DFD_E sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-OBJTYPES_DEL_E sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-OBJTYPES_INS_E sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-OBJTYPES_AUT_E sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-CPOINTER_RESET sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-CPOINTER_EXTRCTD sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-CPOINTER_SUCCESS sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-CPOINTER_W_ERR sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-CPOINTER_W_ERR_E sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-CPOINTER_W_ERR_U sy-vline 
WA_ESH_S_EX_FU_DEMON_FBK_STR-ERRORS_LOGGED sy-vline      INTO ld_text SEPARATED BY SPACE.

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