ABAP Select data from SAP table IRELIGIOUSCERT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IRELIGIOUSCERT
*  INTO TABLE @DATA(IT_IRELIGIOUSCERT2).
*--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_IRELIGIOUSCERT INDEX 1 INTO DATA(WA_IRELIGIOUSCERT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IRELIGIOUSCERT>-MANDT = 1.
<IRELIGIOUSCERT>-RELIGIOUSCERTINTERNALID = 1.
<IRELIGIOUSCERT>-RELIGIOUSCERT = 1.
<IRELIGIOUSCERT>-RELIGIOUSCERTCREATIONDATE = 1.
<IRELIGIOUSCERT>-RELIGIOUSCERTCREATEDBYUSER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IRELIGIOUSCERT-RELIGIOUSCERTCHANGEDATE, sy-vline,
  WA_IRELIGIOUSCERT-RELIGIOUSCERTCHANGEDBYUSER, sy-vline,
  WA_IRELIGIOUSCERT-RELIGIOUSCERTAUTHZNGROUP, sy-vline,
  WA_IRELIGIOUSCERT-RELIGIOUSCERTTYPE, sy-vline,
  WA_IRELIGIOUSCERT-SPECIFICATIONVALIDITYSTARTDATE, sy-vline,
  WA_IRELIGIOUSCERT-SPECIFICATIONVALIDITYENDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IRELIGIOUSCERT 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_IRELIGIOUSCERT 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_IRELIGIOUSCERT INTO WA_IRELIGIOUSCERT.


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

*Conversion exit ALPHA, internal->external for field SPECIFICATIONCHANGENUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRELIGIOUSCERT-SPECIFICATIONCHANGENUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRELIGIOUSCERT-SPECIFICATIONCHANGENUMBER.
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_IRELIGIOUSCERT_STR, 
MANDT TYPE STRING,
RELIGIOUSCERTINTERNALID TYPE STRING,
RELIGIOUSCERT TYPE STRING,
RELIGIOUSCERTCREATIONDATE TYPE STRING,
RELIGIOUSCERTCREATEDBYUSER TYPE STRING,
RELIGIOUSCERTCHANGEDATE TYPE STRING,
RELIGIOUSCERTCHANGEDBYUSER TYPE STRING,
RELIGIOUSCERTAUTHZNGROUP TYPE STRING,
RELIGIOUSCERTTYPE TYPE STRING,
SPECIFICATIONVALIDITYSTARTDATE TYPE STRING,
SPECIFICATIONVALIDITYENDDATE TYPE STRING,
SPECIFICATIONSUBSTANCENATR TYPE STRING,
SPECIFICATIONCHANGENUMBER TYPE STRING,
SPECIFICATIONCATEGORY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IRELIGIOUSCERT_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_IRELIGIOUSCERT_STR-MANDT sy-vline 
WA_IRELIGIOUSCERT_STR-RELIGIOUSCERTINTERNALID sy-vline 
WA_IRELIGIOUSCERT_STR-RELIGIOUSCERT sy-vline 
WA_IRELIGIOUSCERT_STR-RELIGIOUSCERTCREATIONDATE sy-vline 
WA_IRELIGIOUSCERT_STR-RELIGIOUSCERTCREATEDBYUSER sy-vline 
WA_IRELIGIOUSCERT_STR-RELIGIOUSCERTCHANGEDATE sy-vline 
WA_IRELIGIOUSCERT_STR-RELIGIOUSCERTCHANGEDBYUSER sy-vline 
WA_IRELIGIOUSCERT_STR-RELIGIOUSCERTAUTHZNGROUP sy-vline 
WA_IRELIGIOUSCERT_STR-RELIGIOUSCERTTYPE sy-vline 
WA_IRELIGIOUSCERT_STR-SPECIFICATIONVALIDITYSTARTDATE sy-vline 
WA_IRELIGIOUSCERT_STR-SPECIFICATIONVALIDITYENDDATE sy-vline 
WA_IRELIGIOUSCERT_STR-SPECIFICATIONSUBSTANCENATR sy-vline 
WA_IRELIGIOUSCERT_STR-SPECIFICATIONCHANGENUMBER sy-vline 
WA_IRELIGIOUSCERT_STR-SPECIFICATIONCATEGORY sy-vline      INTO ld_text SEPARATED BY SPACE.

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