ABAP Select data from SAP table PIQCMPRRECORDS_EXAM_EXP_EXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIQCMPRRECORDS_EXAM_EXP_EXT
*  INTO TABLE @DATA(IT_PIQCMPRRECORDS_EXAM_EXP_EXT2).
*--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_PIQCMPRRECORDS_EXAM_EXP_EXT INDEX 1 INTO DATA(WA_PIQCMPRRECORDS_EXAM_EXP_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIQCMPRRECORDS_EXAM_EXP_EXT>-PLVAREXM = 1.
<PIQCMPRRECORDS_EXAM_EXP_EXT>-OTYPEEXM = 1.
<PIQCMPRRECORDS_EXAM_EXP_EXT>-OBJIDEXM = 1.
<PIQCMPRRECORDS_EXAM_EXP_EXT>-EVALOBJ_ID = 1.
<PIQCMPRRECORDS_EXAM_EXP_EXT>-ATTNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIQCMPRRECORDS_EXAM_EXP_EXT-CMPR_ID, sy-vline,
  WA_PIQCMPRRECORDS_EXAM_EXP_EXT-PERYR, sy-vline,
  WA_PIQCMPRRECORDS_EXAM_EXP_EXT-PERID, sy-vline,
  WA_PIQCMPRRECORDS_EXAM_EXP_EXT-OFFERNO, sy-vline,
  WA_PIQCMPRRECORDS_EXAM_EXP_EXT-STATUS1, sy-vline,
  WA_PIQCMPRRECORDS_EXAM_EXP_EXT-STATUS2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIQCMPRRECORDS_EXAM_EXP_EXT 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_PIQCMPRRECORDS_EXAM_EXP_EXT 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_PIQCMPRRECORDS_EXAM_EXP_EXT INTO WA_PIQCMPRRECORDS_EXAM_EXP_EXT.


*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_PIQCMPRRECORDS_EXAM_EXP_EXT_STR, 
PLVAREXM TYPE STRING,
OTYPEEXM TYPE STRING,
OBJIDEXM TYPE STRING,
EVALOBJ_ID TYPE STRING,
ATTNO TYPE STRING,
CMPR_ID TYPE STRING,
PERYR TYPE STRING,
PERID TYPE STRING,
OFFERNO TYPE STRING,
STATUS1 TYPE STRING,
STATUS2 TYPE STRING,
REASON TYPE STRING,
GUIDTYPE TYPE STRING,
GUID TYPE STRING,
AGRID TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
SHORT TYPE STRING,
STEXT TYPE STRING,
SMSTATUS TYPE STRING,
CONTINUE_INDICATOR TYPE STRING,
PERYRT TYPE STRING,
PERIDT TYPE STRING,
STAT1_TEXT TYPE STRING,
STAT2_TEXT TYPE STRING,
REASONT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIQCMPRRECORDS_EXAM_EXP_EXT_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_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-PLVAREXM sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-OTYPEEXM sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-OBJIDEXM sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-EVALOBJ_ID sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-ATTNO sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-CMPR_ID sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-PERYR sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-PERID sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-OFFERNO sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-STATUS1 sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-STATUS2 sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-REASON sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-GUIDTYPE sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-GUID sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-AGRID sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-OTYPE sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-OBJID sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-SHORT sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-STEXT sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-SMSTATUS sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-CONTINUE_INDICATOR sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-PERYRT sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-PERIDT sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-STAT1_TEXT sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-STAT2_TEXT sy-vline 
WA_PIQCMPRRECORDS_EXAM_EXP_EXT_STR-REASONT sy-vline      INTO ld_text SEPARATED BY SPACE.

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