ABAP Select data from SAP table PIQ_DE_SX_STATI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIQ_DE_SX_STATI
*  INTO TABLE @DATA(IT_PIQ_DE_SX_STATI2).
*--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_PIQ_DE_SX_STATI INDEX 1 INTO DATA(WA_PIQ_DE_SX_STATI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIQ_DE_SX_STATI>-REP_REGIO = 1.
<PIQ_DE_SX_STATI>-REP_PERID = 1.
<PIQ_DE_SX_STATI>-REP_YEAR = 1.
<PIQ_DE_SX_STATI>-HEI = 1.
<PIQ_DE_SX_STATI>-RECNUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIQ_DE_SX_STATI-STUDENTNO, sy-vline,
  WA_PIQ_DE_SX_STATI-GENDER_KEY, sy-vline,
  WA_PIQ_DE_SX_STATI-BIRTH_MONTH, sy-vline,
  WA_PIQ_DE_SX_STATI-BIRTH_YEAR, sy-vline,
  WA_PIQ_DE_SX_STATI-NATIONALITY, sy-vline,
  WA_PIQ_DE_SX_STATI-STUDY_REGIO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIQ_DE_SX_STATI 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_PIQ_DE_SX_STATI 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_PIQ_DE_SX_STATI INTO WA_PIQ_DE_SX_STATI.


*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 PIQST, internal->external for field STUDENTNO
CALL FUNCTION 'CONVERSION_EXIT_PIQST_OUTPUT'
  EXPORTING
    input =                      WA_PIQ_DE_SX_STATI-STUDENTNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQ_DE_SX_STATI-STUDENTNO.
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_PIQ_DE_SX_STATI_STR, 
REP_REGIO TYPE STRING,
REP_PERID TYPE STRING,
REP_YEAR TYPE STRING,
HEI TYPE STRING,
RECNUM TYPE STRING,
STUDENTNO TYPE STRING,
GENDER_KEY TYPE STRING,
BIRTH_MONTH TYPE STRING,
BIRTH_YEAR TYPE STRING,
NATIONALITY TYPE STRING,
STUDY_REGIO TYPE STRING,
STUDY_COUNTY TYPE STRING,
STUDY_COUNTRY TYPE STRING,
HOME_REGIO TYPE STRING,
HOME_COUNTY TYPE STRING,
HOME_COUNTRY TYPE STRING,
REGISTRATION_TYPE TYPE STRING,
SUMMER_SEM_IND TYPE STRING,
STALA_14 TYPE STRING,
STALA_15 TYPE STRING,
FIRST_HEI TYPE STRING,
FIRST_PERID TYPE STRING,
FIRST_YEAR TYPE STRING,
UNIVERSITY_SEM TYPE STRING,
LEAVEOFABSSEM TYPE STRING,
INTERNSHIPSEM TYPE STRING,
GDRSEM TYPE STRING,
GDRSEM_STUDTYP TYPE STRING,
PREPSEM TYPE STRING,
INTERRUPTSEM TYPE STRING,
PREVSEM1_HEI_IND TYPE STRING,
PREVSEM1_PRG_IND TYPE STRING,
STALA_65U2 TYPE STRING,
FRGN1_COUNTRY TYPE STRING,
FRGN1_CNT_MONTHS TYPE STRING,
BLANK_84 TYPE STRING,
FRGN2_COUNTRY TYPE STRING,
FRGN2_CNT_MONTHS TYPE STRING,
BLANK_87 TYPE STRING,
BLANK_88 TYPE STRING,
BLANK_89 TYPE STRING,
BLANK_90 TYPE STRING,
UEQ_YEAR TYPE STRING,
UEQ_TYPE TYPE STRING,
UEQ_REGIO TYPE STRING,
UEQ_COUNTY TYPE STRING,
UEQ_COUNTRY TYPE STRING,
WORK_QUAL TYPE STRING,
WORK_STUDY TYPE STRING,
BLANK_114 TYPE STRING,
BLANK_115 TYPE STRING,
BLANK_116 TYPE STRING,
BLANK_117 TYPE STRING,
BLANK_118 TYPE STRING,
BLANK_119 TYPE STRING,
BIRTH_DAY TYPE STRING,
STUDENT_NAME TYPE STRING,
NATIONALITY_SECOND TYPE STRING,
STALA_16 TYPE STRING,
FIRST_HEI_COUNTRY TYPE STRING,
INTERRUPT_TYPE TYPE STRING,
STALA_27 TYPE STRING,
STALA_120 TYPE STRING,
STALA_121 TYPE STRING,
STALA_124 TYPE STRING,
STALA_125 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIQ_DE_SX_STATI_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_PIQ_DE_SX_STATI_STR-REP_REGIO sy-vline 
WA_PIQ_DE_SX_STATI_STR-REP_PERID sy-vline 
WA_PIQ_DE_SX_STATI_STR-REP_YEAR sy-vline 
WA_PIQ_DE_SX_STATI_STR-HEI sy-vline 
WA_PIQ_DE_SX_STATI_STR-RECNUM sy-vline 
WA_PIQ_DE_SX_STATI_STR-STUDENTNO sy-vline 
WA_PIQ_DE_SX_STATI_STR-GENDER_KEY sy-vline 
WA_PIQ_DE_SX_STATI_STR-BIRTH_MONTH sy-vline 
WA_PIQ_DE_SX_STATI_STR-BIRTH_YEAR sy-vline 
WA_PIQ_DE_SX_STATI_STR-NATIONALITY sy-vline 
WA_PIQ_DE_SX_STATI_STR-STUDY_REGIO sy-vline 
WA_PIQ_DE_SX_STATI_STR-STUDY_COUNTY sy-vline 
WA_PIQ_DE_SX_STATI_STR-STUDY_COUNTRY sy-vline 
WA_PIQ_DE_SX_STATI_STR-HOME_REGIO sy-vline 
WA_PIQ_DE_SX_STATI_STR-HOME_COUNTY sy-vline 
WA_PIQ_DE_SX_STATI_STR-HOME_COUNTRY sy-vline 
WA_PIQ_DE_SX_STATI_STR-REGISTRATION_TYPE sy-vline 
WA_PIQ_DE_SX_STATI_STR-SUMMER_SEM_IND sy-vline 
WA_PIQ_DE_SX_STATI_STR-STALA_14 sy-vline 
WA_PIQ_DE_SX_STATI_STR-STALA_15 sy-vline 
WA_PIQ_DE_SX_STATI_STR-FIRST_HEI sy-vline 
WA_PIQ_DE_SX_STATI_STR-FIRST_PERID sy-vline 
WA_PIQ_DE_SX_STATI_STR-FIRST_YEAR sy-vline 
WA_PIQ_DE_SX_STATI_STR-UNIVERSITY_SEM sy-vline 
WA_PIQ_DE_SX_STATI_STR-LEAVEOFABSSEM sy-vline 
WA_PIQ_DE_SX_STATI_STR-INTERNSHIPSEM sy-vline 
WA_PIQ_DE_SX_STATI_STR-GDRSEM sy-vline 
WA_PIQ_DE_SX_STATI_STR-GDRSEM_STUDTYP sy-vline 
WA_PIQ_DE_SX_STATI_STR-PREPSEM sy-vline 
WA_PIQ_DE_SX_STATI_STR-INTERRUPTSEM sy-vline 
WA_PIQ_DE_SX_STATI_STR-PREVSEM1_HEI_IND sy-vline 
WA_PIQ_DE_SX_STATI_STR-PREVSEM1_PRG_IND sy-vline 
WA_PIQ_DE_SX_STATI_STR-STALA_65U2 sy-vline 
WA_PIQ_DE_SX_STATI_STR-FRGN1_COUNTRY sy-vline 
WA_PIQ_DE_SX_STATI_STR-FRGN1_CNT_MONTHS sy-vline 
WA_PIQ_DE_SX_STATI_STR-BLANK_84 sy-vline 
WA_PIQ_DE_SX_STATI_STR-FRGN2_COUNTRY sy-vline 
WA_PIQ_DE_SX_STATI_STR-FRGN2_CNT_MONTHS sy-vline 
WA_PIQ_DE_SX_STATI_STR-BLANK_87 sy-vline 
WA_PIQ_DE_SX_STATI_STR-BLANK_88 sy-vline 
WA_PIQ_DE_SX_STATI_STR-BLANK_89 sy-vline 
WA_PIQ_DE_SX_STATI_STR-BLANK_90 sy-vline 
WA_PIQ_DE_SX_STATI_STR-UEQ_YEAR sy-vline 
WA_PIQ_DE_SX_STATI_STR-UEQ_TYPE sy-vline 
WA_PIQ_DE_SX_STATI_STR-UEQ_REGIO sy-vline 
WA_PIQ_DE_SX_STATI_STR-UEQ_COUNTY sy-vline 
WA_PIQ_DE_SX_STATI_STR-UEQ_COUNTRY sy-vline 
WA_PIQ_DE_SX_STATI_STR-WORK_QUAL sy-vline 
WA_PIQ_DE_SX_STATI_STR-WORK_STUDY sy-vline 
WA_PIQ_DE_SX_STATI_STR-BLANK_114 sy-vline 
WA_PIQ_DE_SX_STATI_STR-BLANK_115 sy-vline 
WA_PIQ_DE_SX_STATI_STR-BLANK_116 sy-vline 
WA_PIQ_DE_SX_STATI_STR-BLANK_117 sy-vline 
WA_PIQ_DE_SX_STATI_STR-BLANK_118 sy-vline 
WA_PIQ_DE_SX_STATI_STR-BLANK_119 sy-vline 
WA_PIQ_DE_SX_STATI_STR-BIRTH_DAY sy-vline 
WA_PIQ_DE_SX_STATI_STR-STUDENT_NAME sy-vline 
WA_PIQ_DE_SX_STATI_STR-NATIONALITY_SECOND sy-vline 
WA_PIQ_DE_SX_STATI_STR-STALA_16 sy-vline 
WA_PIQ_DE_SX_STATI_STR-FIRST_HEI_COUNTRY sy-vline 
WA_PIQ_DE_SX_STATI_STR-INTERRUPT_TYPE sy-vline 
WA_PIQ_DE_SX_STATI_STR-STALA_27 sy-vline 
WA_PIQ_DE_SX_STATI_STR-STALA_120 sy-vline 
WA_PIQ_DE_SX_STATI_STR-STALA_121 sy-vline 
WA_PIQ_DE_SX_STATI_STR-STALA_124 sy-vline 
WA_PIQ_DE_SX_STATI_STR-STALA_125 sy-vline      INTO ld_text SEPARATED BY SPACE.

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