ABAP Select data from SAP table IUID_PEDIG_100_V into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IUID_PEDIG_100_V 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 IUID_PEDIG_100_V. 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 IUID_PEDIG_100_V 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_IUID_PEDIG_100_V TYPE STANDARD TABLE OF IUID_PEDIG_100_V,
      WA_IUID_PEDIG_100_V TYPE IUID_PEDIG_100_V,
      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: <IUID_PEDIG_100_V> TYPE IUID_PEDIG_100_V.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IUID_PEDIG_100_V.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IUID_PEDIG_100_V
  INTO TABLE IT_IUID_PEDIG_100_V.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IUID_PEDIG_100_V
*  INTO TABLE @DATA(IT_IUID_PEDIG_100_V2).
*--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_IUID_PEDIG_100_V INDEX 1 INTO DATA(WA_IUID_PEDIG_100_V2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IUID_PEDIG_100_V ASSIGNING <IUID_PEDIG_100_V>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IUID_PEDIG_100_V>-MANDT = 1.
<IUID_PEDIG_100_V>-UII = 1.
<IUID_PEDIG_100_V>-IUID_TYPE = 1.
<IUID_PEDIG_100_V>-UID_IAC_ID = 1.
<IUID_PEDIG_100_V>-UID_EID = 1.

ENDLOOP.

LOOP AT IT_IUID_PEDIG_100_V INTO WA_IUID_PEDIG_100_V.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IUID_PEDIG_100_V-MATNR, sy-vline,
  WA_IUID_PEDIG_100_V-SERNR, sy-vline,
  WA_IUID_PEDIG_100_V-CHARG, sy-vline,
  WA_IUID_PEDIG_100_V-MAKTX, sy-vline,
  WA_IUID_PEDIG_100_V-CUR_MATNR, sy-vline,
  WA_IUID_PEDIG_100_V-CUR_MATNR_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IUID_PEDIG_100_V 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_IUID_PEDIG_100_V 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_IUID_PEDIG_100_V INTO WA_IUID_PEDIG_100_V.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IUID_PEDIG_100_V-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IUID_PEDIG_100_V-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GERNR, internal->external for field SERNR
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_IUID_PEDIG_100_V-SERNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IUID_PEDIG_100_V-SERNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field CUR_MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IUID_PEDIG_100_V-CUR_MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IUID_PEDIG_100_V-CUR_MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IUID_PEDIG_100_V-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IUID_PEDIG_100_V-KMEIN.
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_IUID_PEDIG_100_V_STR, 
MANDT TYPE STRING,
UII TYPE STRING,
IUID_TYPE TYPE STRING,
UID_IAC_ID TYPE STRING,
UID_EID TYPE STRING,
MATNR TYPE STRING,
SERNR TYPE STRING,
CHARG TYPE STRING,
MAKTX TYPE STRING,
CUR_MATNR TYPE STRING,
CUR_MATNR_DATE TYPE STRING,
MAN_IAC TYPE STRING,
MAN_EID TYPE STRING,
PARENT_UII TYPE STRING,
ITEM_TYPE TYPE STRING,
POPULATION_TYPE TYPE STRING,
PRIME_CONTRACTOR TYPE STRING,
PIIN TYPE STRING,
CLIN_SLIN TYPE STRING,
NETPR TYPE STRING,
WAERK TYPE STRING,
KMEIN TYPE STRING,
ACC_CODE TYPE STRING,
ACC_DATE TYPE STRING,
SHIP_TO TYPE STRING,
MARK_COMP_FLAG TYPE STRING,
MARK_METHOD TYPE STRING,
MARK_GRADE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IUID_PEDIG_100_V_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_IUID_PEDIG_100_V_STR-MANDT sy-vline 
WA_IUID_PEDIG_100_V_STR-UII sy-vline 
WA_IUID_PEDIG_100_V_STR-IUID_TYPE sy-vline 
WA_IUID_PEDIG_100_V_STR-UID_IAC_ID sy-vline 
WA_IUID_PEDIG_100_V_STR-UID_EID sy-vline 
WA_IUID_PEDIG_100_V_STR-MATNR sy-vline 
WA_IUID_PEDIG_100_V_STR-SERNR sy-vline 
WA_IUID_PEDIG_100_V_STR-CHARG sy-vline 
WA_IUID_PEDIG_100_V_STR-MAKTX sy-vline 
WA_IUID_PEDIG_100_V_STR-CUR_MATNR sy-vline 
WA_IUID_PEDIG_100_V_STR-CUR_MATNR_DATE sy-vline 
WA_IUID_PEDIG_100_V_STR-MAN_IAC sy-vline 
WA_IUID_PEDIG_100_V_STR-MAN_EID sy-vline 
WA_IUID_PEDIG_100_V_STR-PARENT_UII sy-vline 
WA_IUID_PEDIG_100_V_STR-ITEM_TYPE sy-vline 
WA_IUID_PEDIG_100_V_STR-POPULATION_TYPE sy-vline 
WA_IUID_PEDIG_100_V_STR-PRIME_CONTRACTOR sy-vline 
WA_IUID_PEDIG_100_V_STR-PIIN sy-vline 
WA_IUID_PEDIG_100_V_STR-CLIN_SLIN sy-vline 
WA_IUID_PEDIG_100_V_STR-NETPR sy-vline 
WA_IUID_PEDIG_100_V_STR-WAERK sy-vline 
WA_IUID_PEDIG_100_V_STR-KMEIN sy-vline 
WA_IUID_PEDIG_100_V_STR-ACC_CODE sy-vline 
WA_IUID_PEDIG_100_V_STR-ACC_DATE sy-vline 
WA_IUID_PEDIG_100_V_STR-SHIP_TO sy-vline 
WA_IUID_PEDIG_100_V_STR-MARK_COMP_FLAG sy-vline 
WA_IUID_PEDIG_100_V_STR-MARK_METHOD sy-vline 
WA_IUID_PEDIG_100_V_STR-MARK_GRADE sy-vline      INTO ld_text SEPARATED BY SPACE.

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