ABAP Select data from SAP table /MERP/PM_NOTIF_CAUS_ENTITY_STR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MERP/PM_NOTIF_CAUS_ENTITY_STR
*  INTO TABLE @DATA(IT_/MERP/PM_NOTIF_CAUS_ENTITY_STR2).
*--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_/MERP/PM_NOTIF_CAUS_ENTITY_STR INDEX 1 INTO DATA(WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MERP/PM_NOTIF_CAUS_ENTITY_STR>-MANDT = 1.
</MERP/PM_NOTIF_CAUS_ENTITY_STR>-QMNUM = 1.
</MERP/PM_NOTIF_CAUS_ENTITY_STR>-FENUM = 1.
</MERP/PM_NOTIF_CAUS_ENTITY_STR>-URNUM = 1.
</MERP/PM_NOTIF_CAUS_ENTITY_STR>-ERNAM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-ERDAT, sy-vline,
  WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-AENAM, sy-vline,
  WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-AEDAT, sy-vline,
  WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-URTXT, sy-vline,
  WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-URKAT, sy-vline,
  WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-URGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR 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_/MERP/PM_NOTIF_CAUS_ENTITY_STR 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_/MERP/PM_NOTIF_CAUS_ENTITY_STR INTO WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR.


*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 QMNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-QMNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-QMNUM.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit PARVW, internal->external for field PARVW
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-PARVW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-PARVW.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field BAUTL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-BAUTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-BAUTL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR-VORNR.
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_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR, 
MANDT TYPE STRING,
QMNUM TYPE STRING,
FENUM TYPE STRING,
URNUM TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
AENAM TYPE STRING,
AEDAT TYPE STRING,
URTXT TYPE STRING,
URKAT TYPE STRING,
URGRP TYPE STRING,
URCOD TYPE STRING,
URVER TYPE STRING,
INDTX TYPE STRING,
KZMLA TYPE STRING,
ERZEIT TYPE STRING,
AEZEIT TYPE STRING,
VUKAT TYPE STRING,
VUGRP TYPE STRING,
VUCOD TYPE STRING,
PARVW TYPE STRING,
PARNR TYPE STRING,
BAUTL TYPE STRING,
URMENGE TYPE STRING,
URMGEIN TYPE STRING,
KZLOESCH TYPE STRING,
QURNUM TYPE STRING,
AUTKZ TYPE STRING,
DUMMY_QMUR_INCL_EEW_PS TYPE STRING,
ROOTCAUSE TYPE STRING,
CHANGEDDATETIME TYPE STRING,
INVOLVPERC TYPE STRING,
AUFNR TYPE STRING,
VORNR TYPE STRING,
POSNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_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_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-MANDT sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-QMNUM sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-FENUM sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-URNUM sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-ERNAM sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-ERDAT sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-AENAM sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-AEDAT sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-URTXT sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-URKAT sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-URGRP sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-URCOD sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-URVER sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-INDTX sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-KZMLA sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-ERZEIT sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-AEZEIT sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-VUKAT sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-VUGRP sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-VUCOD sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-PARVW sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-PARNR sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-BAUTL sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-URMENGE sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-URMGEIN sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-KZLOESCH sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-QURNUM sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-AUTKZ sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-DUMMY_QMUR_INCL_EEW_PS sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-ROOTCAUSE sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-CHANGEDDATETIME sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-INVOLVPERC sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-AUFNR sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-VORNR sy-vline 
WA_/MERP/PM_NOTIF_CAUS_ENTITY_STR_STR-POSNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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