ABAP Select data from SAP table APJ_S_ODATA_JOB_APPL_LOG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM APJ_S_ODATA_JOB_APPL_LOG
*  INTO TABLE @DATA(IT_APJ_S_ODATA_JOB_APPL_LOG2).
*--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_APJ_S_ODATA_JOB_APPL_LOG INDEX 1 INTO DATA(WA_APJ_S_ODATA_JOB_APPL_LOG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<APJ_S_ODATA_JOB_APPL_LOG>-JOB_NAME = 1.
<APJ_S_ODATA_JOB_APPL_LOG>-JOB_RUN_COUNT = 1.
<APJ_S_ODATA_JOB_APPL_LOG>-MSG_NUMBER = 1.
<APJ_S_ODATA_JOB_APPL_LOG>-TIMESTAMP = 1.
<APJ_S_ODATA_JOB_APPL_LOG>-DETLEVEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_APJ_S_ODATA_JOB_APPL_LOG-MSG_TYPE, sy-vline,
  WA_APJ_S_ODATA_JOB_APPL_LOG-MSG_TEXT, sy-vline,
  WA_APJ_S_ODATA_JOB_APPL_LOG-HAS_LONG_TEXT, sy-vline,
  WA_APJ_S_ODATA_JOB_APPL_LOG-MSG_NO, sy-vline,
  WA_APJ_S_ODATA_JOB_APPL_LOG-MSG_ID, sy-vline,
  WA_APJ_S_ODATA_JOB_APPL_LOG-CTX_FIELD1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_APJ_S_ODATA_JOB_APPL_LOG 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_APJ_S_ODATA_JOB_APPL_LOG 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_APJ_S_ODATA_JOB_APPL_LOG INTO WA_APJ_S_ODATA_JOB_APPL_LOG.


*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_APJ_S_ODATA_JOB_APPL_LOG_STR, 
JOB_NAME TYPE STRING,
JOB_RUN_COUNT TYPE STRING,
MSG_NUMBER TYPE STRING,
TIMESTAMP TYPE STRING,
DETLEVEL TYPE STRING,
MSG_TYPE TYPE STRING,
MSG_TEXT TYPE STRING,
HAS_LONG_TEXT TYPE STRING,
MSG_NO TYPE STRING,
MSG_ID TYPE STRING,
CTX_FIELD1 TYPE STRING,
CTX_FIELD2 TYPE STRING,
CTX_FIELD3 TYPE STRING,
CTX_FIELD4 TYPE STRING,
CTX_FIELD5 TYPE STRING,
HAS_DETAIL_TEXT TYPE STRING,
LOGHANDLE TYPE STRING,
MSG_TYPE_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_APJ_S_ODATA_JOB_APPL_LOG_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_APJ_S_ODATA_JOB_APPL_LOG_STR-JOB_NAME sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-JOB_RUN_COUNT sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-MSG_NUMBER sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-TIMESTAMP sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-DETLEVEL sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-MSG_TYPE sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-MSG_TEXT sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-HAS_LONG_TEXT sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-MSG_NO sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-MSG_ID sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-CTX_FIELD1 sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-CTX_FIELD2 sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-CTX_FIELD3 sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-CTX_FIELD4 sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-CTX_FIELD5 sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-HAS_DETAIL_TEXT sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-LOGHANDLE sy-vline 
WA_APJ_S_ODATA_JOB_APPL_LOG_STR-MSG_TYPE_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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