ABAP Select data from SAP table PJITCALLALERT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PJITCALLALERT
*  INTO TABLE @DATA(IT_PJITCALLALERT2).
*--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_PJITCALLALERT INDEX 1 INTO DATA(WA_PJITCALLALERT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PJITCALLALERT>-MANDT = 1.
<PJITCALLALERT>-APPLICATIONLOGHANDLE = 1.
<PJITCALLALERT>-APPLICATIONLOGOBJECT = 1.
<PJITCALLALERT>-APPLICATIONLOGSUBOBJECT = 1.
<PJITCALLALERT>-JITCALLPROCESSINGLOGID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PJITCALLALERT-APPLICATIONLOG, sy-vline,
  WA_PJITCALLALERT-JITHEADERUUID, sy-vline,
  WA_PJITCALLALERT-INTERNALJITCALLNUMBER, sy-vline,
  WA_PJITCALLALERT-EXTERNALJITCALLNUMBER, sy-vline,
  WA_PJITCALLALERT-SHIPTOPARTY, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_PJITCALLALERT 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_PJITCALLALERT 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_PJITCALLALERT INTO WA_PJITCALLALERT.


*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 INTERNALJITCALLNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PJITCALLALERT-INTERNALJITCALLNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PJITCALLALERT-INTERNALJITCALLNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SHIPTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PJITCALLALERT-SHIPTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PJITCALLALERT-SHIPTOPARTY.
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_PJITCALLALERT_STR, 
MANDT TYPE STRING,
APPLICATIONLOGHANDLE TYPE STRING,
APPLICATIONLOGOBJECT TYPE STRING,
APPLICATIONLOGSUBOBJECT TYPE STRING,
JITCALLPROCESSINGLOGID TYPE STRING,
APPLICATIONLOG TYPE STRING,
JITHEADERUUID TYPE STRING,
INTERNALJITCALLNUMBER TYPE STRING,
EXTERNALJITCALLNUMBER TYPE STRING,
SHIPTOPARTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PJITCALLALERT_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_PJITCALLALERT_STR-MANDT sy-vline 
WA_PJITCALLALERT_STR-APPLICATIONLOGHANDLE sy-vline 
WA_PJITCALLALERT_STR-APPLICATIONLOGOBJECT sy-vline 
WA_PJITCALLALERT_STR-APPLICATIONLOGSUBOBJECT sy-vline 
WA_PJITCALLALERT_STR-JITCALLPROCESSINGLOGID sy-vline 
WA_PJITCALLALERT_STR-APPLICATIONLOG sy-vline 
WA_PJITCALLALERT_STR-JITHEADERUUID sy-vline 
WA_PJITCALLALERT_STR-INTERNALJITCALLNUMBER sy-vline 
WA_PJITCALLALERT_STR-EXTERNALJITCALLNUMBER sy-vline 
WA_PJITCALLALERT_STR-SHIPTOPARTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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