ABAP Select data from SAP table MSDCCMSJOB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MSDCCMSJOB
*  INTO TABLE @DATA(IT_MSDCCMSJOB2).
*--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_MSDCCMSJOB INDEX 1 INTO DATA(WA_MSDCCMSJOB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MSDCCMSJOB>-JOB_NAME = 1.
<MSDCCMSJOB>-OWNER = 1.
<MSDCCMSJOB>-DBNAME = 1.
<MSDCCMSJOB>-JOBTYPE = 1.
<MSDCCMSJOB>-COMMAND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MSDCCMSJOB-RUNDATE, sy-vline,
  WA_MSDCCMSJOB-RUNTIME, sy-vline,
  WA_MSDCCMSJOB-RUNSTATUS, sy-vline,
  WA_MSDCCMSJOB-LSTRUNDATE, sy-vline,
  WA_MSDCCMSJOB-LSTRUNTIME, sy-vline,
  WA_MSDCCMSJOB-NEXTRUNTM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MSDCCMSJOB 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_MSDCCMSJOB 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_MSDCCMSJOB INTO WA_MSDCCMSJOB.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_MSDCCMSJOB_STR, 
JOB_NAME TYPE STRING,
OWNER TYPE STRING,
DBNAME TYPE STRING,
JOBTYPE TYPE STRING,
COMMAND TYPE STRING,
RUNDATE TYPE STRING,
RUNTIME TYPE STRING,
RUNSTATUS TYPE STRING,
LSTRUNDATE TYPE STRING,
LSTRUNTIME TYPE STRING,
NEXTRUNTM TYPE STRING,
NEXTRUNDT TYPE STRING,
JOBID TYPE STRING,
ENABLED TYPE STRING,
STATUSDESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MSDCCMSJOB_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_MSDCCMSJOB_STR-JOB_NAME sy-vline 
WA_MSDCCMSJOB_STR-OWNER sy-vline 
WA_MSDCCMSJOB_STR-DBNAME sy-vline 
WA_MSDCCMSJOB_STR-JOBTYPE sy-vline 
WA_MSDCCMSJOB_STR-COMMAND sy-vline 
WA_MSDCCMSJOB_STR-RUNDATE sy-vline 
WA_MSDCCMSJOB_STR-RUNTIME sy-vline 
WA_MSDCCMSJOB_STR-RUNSTATUS sy-vline 
WA_MSDCCMSJOB_STR-LSTRUNDATE sy-vline 
WA_MSDCCMSJOB_STR-LSTRUNTIME sy-vline 
WA_MSDCCMSJOB_STR-NEXTRUNTM sy-vline 
WA_MSDCCMSJOB_STR-NEXTRUNDT sy-vline 
WA_MSDCCMSJOB_STR-JOBID sy-vline 
WA_MSDCCMSJOB_STR-ENABLED sy-vline 
WA_MSDCCMSJOB_STR-STATUSDESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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