ABAP Select data from SAP table CGPL_MSPREQUEST_EXCEPTION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CGPL_MSPREQUEST_EXCEPTION
*  INTO TABLE @DATA(IT_CGPL_MSPREQUEST_EXCEPTION2).
*--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_CGPL_MSPREQUEST_EXCEPTION INDEX 1 INTO DATA(WA_CGPL_MSPREQUEST_EXCEPTION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CGPL_MSPREQUEST_EXCEPTION>-ENTERED_BY_OCCURRENCES = 1.
<CGPL_MSPREQUEST_EXCEPTION>-TIME_PERIOD = 1.
<CGPL_MSPREQUEST_EXCEPTION>-FROM_DATE = 1.
<CGPL_MSPREQUEST_EXCEPTION>-TO_DATE = 1.
<CGPL_MSPREQUEST_EXCEPTION>-OCCURRENCES = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CGPL_MSPREQUEST_EXCEPTION-NAME, sy-vline,
  WA_CGPL_MSPREQUEST_EXCEPTION-TYPE, sy-vline,
  WA_CGPL_MSPREQUEST_EXCEPTION-PERIOD, sy-vline,
  WA_CGPL_MSPREQUEST_EXCEPTION-DAYS_OF_WEEK, sy-vline,
  WA_CGPL_MSPREQUEST_EXCEPTION-MONTH_ITEM, sy-vline,
  WA_CGPL_MSPREQUEST_EXCEPTION-MONTH_POSITION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CGPL_MSPREQUEST_EXCEPTION 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_CGPL_MSPREQUEST_EXCEPTION 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_CGPL_MSPREQUEST_EXCEPTION INTO WA_CGPL_MSPREQUEST_EXCEPTION.


*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_CGPL_MSPREQUEST_EXCEPTION_STR, 
ENTERED_BY_OCCURRENCES TYPE STRING,
TIME_PERIOD TYPE STRING,
FROM_DATE TYPE STRING,
TO_DATE TYPE STRING,
OCCURRENCES TYPE STRING,
NAME TYPE STRING,
TYPE TYPE STRING,
PERIOD TYPE STRING,
DAYS_OF_WEEK TYPE STRING,
MONTH_ITEM TYPE STRING,
MONTH_POSITION TYPE STRING,
MONTH TYPE STRING,
MONTH_DAY TYPE STRING,
DAY_WORKING TYPE STRING,
WORKING_TIMES TYPE STRING,
WORKING_TIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CGPL_MSPREQUEST_EXCEPTION_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_CGPL_MSPREQUEST_EXCEPTION_STR-ENTERED_BY_OCCURRENCES sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-TIME_PERIOD sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-FROM_DATE sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-TO_DATE sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-OCCURRENCES sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-NAME sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-TYPE sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-PERIOD sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-DAYS_OF_WEEK sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-MONTH_ITEM sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-MONTH_POSITION sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-MONTH sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-MONTH_DAY sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-DAY_WORKING sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-WORKING_TIMES sy-vline 
WA_CGPL_MSPREQUEST_EXCEPTION_STR-WORKING_TIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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