ABAP Select data from SAP table T7PIQ_NL_EDUPGM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T7PIQ_NL_EDUPGM 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 T7PIQ_NL_EDUPGM. 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 T7PIQ_NL_EDUPGM 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_T7PIQ_NL_EDUPGM TYPE STANDARD TABLE OF T7PIQ_NL_EDUPGM,
      WA_T7PIQ_NL_EDUPGM TYPE T7PIQ_NL_EDUPGM,
      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: <T7PIQ_NL_EDUPGM> TYPE T7PIQ_NL_EDUPGM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T7PIQ_NL_EDUPGM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T7PIQ_NL_EDUPGM
  INTO TABLE IT_T7PIQ_NL_EDUPGM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T7PIQ_NL_EDUPGM
*  INTO TABLE @DATA(IT_T7PIQ_NL_EDUPGM2).
*--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_T7PIQ_NL_EDUPGM INDEX 1 INTO DATA(WA_T7PIQ_NL_EDUPGM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T7PIQ_NL_EDUPGM ASSIGNING <T7PIQ_NL_EDUPGM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T7PIQ_NL_EDUPGM>-MANDT = 1.
<T7PIQ_NL_EDUPGM>-BRINNUMBER = 1.
<T7PIQ_NL_EDUPGM>-BRINSEQUENCE = 1.
<T7PIQ_NL_EDUPGM>-EDUCATION = 1.
<T7PIQ_NL_EDUPGM>-FORMOFEDUCATION = 1.

ENDLOOP.

LOOP AT IT_T7PIQ_NL_EDUPGM INTO WA_T7PIQ_NL_EDUPGM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T7PIQ_NL_EDUPGM-PROPEDEUTICSEXAM, sy-vline,
  WA_T7PIQ_NL_EDUPGM-CHANGEDATE, sy-vline,
  WA_T7PIQ_NL_EDUPGM-BEGINDATE, sy-vline,
  WA_T7PIQ_NL_EDUPGM-ENDDATE, sy-vline,
  WA_T7PIQ_NL_EDUPGM-EDUCATIONSECTOR, sy-vline,
  WA_T7PIQ_NL_EDUPGM-SUBSECTOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T7PIQ_NL_EDUPGM 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_T7PIQ_NL_EDUPGM 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_T7PIQ_NL_EDUPGM INTO WA_T7PIQ_NL_EDUPGM.


*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_T7PIQ_NL_EDUPGM_STR, 
MANDT TYPE STRING,
BRINNUMBER TYPE STRING,
BRINSEQUENCE TYPE STRING,
EDUCATION TYPE STRING,
FORMOFEDUCATION TYPE STRING,
PROPEDEUTICSEXAM TYPE STRING,
CHANGEDATE TYPE STRING,
BEGINDATE TYPE STRING,
ENDDATE TYPE STRING,
EDUCATIONSECTOR TYPE STRING,
SUBSECTOR TYPE STRING,
DEFRAYMENTCODE TYPE STRING,
EDUPROGSHORT TYPE STRING,
EDUPROGLONG TYPE STRING,
STUDYWORKLOAD TYPE STRING,
STUDYWORKLOADVT TYPE STRING,
ACKNOWLEDGEDATE TYPE STRING,
ACKNOWLEDGEENDDA TYPE STRING,
ENROLLACKNOWLEDG TYPE STRING,
DATEDELAYACKNOWL TYPE STRING,
ENROLLENDDATE TYPE STRING,
ENROLLWITHDEFICI TYPE STRING,
ADMISSIONINDICAT TYPE STRING,
FIXUSINDICATION TYPE STRING,
DECENTRALINDICAT TYPE STRING,
ENDDATEDECENTARL TYPE STRING,
COMPREQINDICATIO TYPE STRING,
VSLCODERSAP TYPE STRING,
CROHOINDICATE TYPE STRING,
ACTIVITIESINDICA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T7PIQ_NL_EDUPGM_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_T7PIQ_NL_EDUPGM_STR-MANDT sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-BRINNUMBER sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-BRINSEQUENCE sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-EDUCATION sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-FORMOFEDUCATION sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-PROPEDEUTICSEXAM sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-CHANGEDATE sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-BEGINDATE sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-ENDDATE sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-EDUCATIONSECTOR sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-SUBSECTOR sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-DEFRAYMENTCODE sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-EDUPROGSHORT sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-EDUPROGLONG sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-STUDYWORKLOAD sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-STUDYWORKLOADVT sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-ACKNOWLEDGEDATE sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-ACKNOWLEDGEENDDA sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-ENROLLACKNOWLEDG sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-DATEDELAYACKNOWL sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-ENROLLENDDATE sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-ENROLLWITHDEFICI sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-ADMISSIONINDICAT sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-FIXUSINDICATION sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-DECENTRALINDICAT sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-ENDDATEDECENTARL sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-COMPREQINDICATIO sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-VSLCODERSAP sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-CROHOINDICATE sy-vline 
WA_T7PIQ_NL_EDUPGM_STR-ACTIVITIESINDICA sy-vline      INTO ld_text SEPARATED BY SPACE.

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