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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/PM_DIS_DATA
*  INTO TABLE @DATA(IT_/ISDFPS/PM_DIS_DATA2).
*--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/PM_DIS_DATA INDEX 1 INTO DATA(WA_/ISDFPS/PM_DIS_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/PM_DIS_DATA>-OBKEY = 1.
</ISDFPS/PM_DIS_DATA>-SEQ_DATA = 1.
</ISDFPS/PM_DIS_DATA>-STEPS = 1.
</ISDFPS/PM_DIS_DATA>-LOGSYS_TARGET = 1.
</ISDFPS/PM_DIS_DATA>-RSPARAMS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/PM_DIS_DATA-INFO_FILE, sy-vline,
  WA_/ISDFPS/PM_DIS_DATA-RECTYPE_01, sy-vline,
  WA_/ISDFPS/PM_DIS_DATA-COMMENT, sy-vline,
  WA_/ISDFPS/PM_DIS_DATA-LOGSYS, sy-vline,
  WA_/ISDFPS/PM_DIS_DATA-COPY_UPS, sy-vline,
  WA_/ISDFPS/PM_DIS_DATA-CHANGE_CP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/PM_DIS_DATA 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/PM_DIS_DATA 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/PM_DIS_DATA INTO WA_/ISDFPS/PM_DIS_DATA.


*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_TARGET
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/PM_DIS_DATA-LOGSYS_TARGET
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/PM_DIS_DATA-LOGSYS_TARGET.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/PM_DIS_DATA-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/PM_DIS_DATA-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_/ISDFPS/PM_DIS_DATA_STR, 
OBKEY TYPE STRING,
SEQ_DATA TYPE STRING,
STEPS TYPE STRING,
LOGSYS_TARGET TYPE STRING,
RSPARAMS TYPE STRING,
INFO_FILE TYPE STRING,
RECTYPE_01 TYPE STRING,
COMMENT TYPE STRING,
LOGSYS TYPE STRING,
COPY_UPS TYPE STRING,
CHANGE_CP TYPE STRING,
DOWNLOAD_FRONT TYPE STRING,
DOWNLOAD_APP TYPE STRING,
CPCODEPAGE TYPE STRING,
GUI_USE_UTF8 TYPE STRING,
USE_UNICODE TYPE STRING,
UNAME TYPE STRING,
TIMESTAMP TYPE STRING,
RECTYPE_02 TYPE STRING,
RECTYPE_03 TYPE STRING,
RECTYPE_04 TYPE STRING,
RECTYPE_05 TYPE STRING,
EDI_PORT TYPE STRING,
MANDT TYPE STRING,
PORT TYPE STRING,
ACTRIG TYPE STRING,
SHELLDIR TYPE STRING,
SHELLSCRIP TYPE STRING,
OUTPUTDIR TYPE STRING,
OUTPUTFILE TYPE STRING,
OUTPUTFUNC TYPE STRING,
INPUTDIR TYPE STRING,
INPUTFILE TYPE STRING,
INPUTFUNC TYPE STRING,
STATUSDIR TYPE STRING,
STATUSFILE TYPE STRING,
STATUSFUNC TYPE STRING,
LOGDES TYPE STRING,
VERSIO TYPE STRING,
OUTPATHM TYPE STRING,
INPATHM TYPE STRING,
STAPATHM TYPE STRING,
UNICODE TYPE STRING,
CONTCODP TYPE STRING,
REPCHAR TYPE STRING,
SHELLPATHM TYPE STRING,
TRIGGERKIND TYPE STRING,
TRIGGERFILE TYPE STRING,
TARGET_DOCREL TYPE STRING,
CODPAG TYPE STRING,
DOCREL_IGNORE TYPE STRING,
PACK_PROC TYPE STRING,
APPSERVER_PATH TYPE STRING,
FRONTEND_PATH TYPE STRING,
INFO_FILENAME TYPE STRING,
START_REPORT TYPE STRING,
XCANCEL TYPE STRING,
KTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/PM_DIS_DATA_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/PM_DIS_DATA_STR-OBKEY sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-SEQ_DATA sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-STEPS sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-LOGSYS_TARGET sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-RSPARAMS sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-INFO_FILE sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-RECTYPE_01 sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-COMMENT sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-LOGSYS sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-COPY_UPS sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-CHANGE_CP sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-DOWNLOAD_FRONT sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-DOWNLOAD_APP sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-CPCODEPAGE sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-GUI_USE_UTF8 sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-USE_UNICODE sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-UNAME sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-TIMESTAMP sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-RECTYPE_02 sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-RECTYPE_03 sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-RECTYPE_04 sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-RECTYPE_05 sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-EDI_PORT sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-MANDT sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-PORT sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-ACTRIG sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-SHELLDIR sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-SHELLSCRIP sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-OUTPUTDIR sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-OUTPUTFILE sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-OUTPUTFUNC sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-INPUTDIR sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-INPUTFILE sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-INPUTFUNC sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-STATUSDIR sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-STATUSFILE sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-STATUSFUNC sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-LOGDES sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-VERSIO sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-OUTPATHM sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-INPATHM sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-STAPATHM sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-UNICODE sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-CONTCODP sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-REPCHAR sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-SHELLPATHM sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-TRIGGERKIND sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-TRIGGERFILE sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-TARGET_DOCREL sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-CODPAG sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-DOCREL_IGNORE sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-PACK_PROC sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-APPSERVER_PATH sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-FRONTEND_PATH sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-INFO_FILENAME sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-START_REPORT sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-XCANCEL sy-vline 
WA_/ISDFPS/PM_DIS_DATA_STR-KTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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