ABAP Select data from SAP table BAPI_IUID_REG_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_IUID_REG_DATA
*  INTO TABLE @DATA(IT_BAPI_IUID_REG_DATA2).
*--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_BAPI_IUID_REG_DATA INDEX 1 INTO DATA(WA_BAPI_IUID_REG_DATA2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_IUID_REG_DATA-CHARGE, sy-vline,
  WA_BAPI_IUID_REG_DATA-SERNR, sy-vline,
  WA_BAPI_IUID_REG_DATA-PCID, sy-vline,
  WA_BAPI_IUID_REG_DATA-VBELN, sy-vline,
  WA_BAPI_IUID_REG_DATA-POSNR, sy-vline,
  WA_BAPI_IUID_REG_DATA-MAKTX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_IUID_REG_DATA 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_BAPI_IUID_REG_DATA 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_BAPI_IUID_REG_DATA INTO WA_BAPI_IUID_REG_DATA.


*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 MATN5, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_IUID_REG_DATA-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_IUID_REG_DATA-MATNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_IUID_REG_DATA-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_IUID_REG_DATA-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_IUID_REG_DATA-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_IUID_REG_DATA-MEINS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field CUST_CVBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_IUID_REG_DATA-CUST_CVBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_IUID_REG_DATA-CUST_CVBELN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GERNR, internal->external for field CHILD_SERNR
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_IUID_REG_DATA-CHILD_SERNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_IUID_REG_DATA-CHILD_SERNR.
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_BAPI_IUID_REG_DATA_STR, 
UII TYPE STRING,
IUID_TYPE TYPE STRING,
UID_IAC_ID TYPE STRING,
UID_EID TYPE STRING,
MATNR TYPE STRING,
CHARGE TYPE STRING,
SERNR TYPE STRING,
PCID TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
MAKTX TYPE STRING,
WAERK TYPE STRING,
MEINS TYPE STRING,
NETWR TYPE STRING,
ACC_CODE TYPE STRING,
ACC_DATE TYPE STRING,
IHREZ_E TYPE STRING,
CUR_MATNR TYPE STRING,
CUR_MAT_DAT TYPE STRING,
MAN_IAC TYPE STRING,
MAN_EID TYPE STRING,
BOTCODE TYPE STRING,
CONTENTS TYPE STRING,
EFFECTIVE_DATE TYPE STRING,
AOR_FLAG TYPE STRING,
MAR_IAC TYPE STRING,
MAR_EID TYPE STRING,
MEDIUM_CODE TYPE STRING,
VALUE TYPE STRING,
CUST_PCID TYPE STRING,
CUST_CVBELN TYPE STRING,
CUST_RS_DATE TYPE STRING,
CUST_STATUS_CODE TYPE STRING,
CHILD_UII TYPE STRING,
CHILD_IUID_TYPE TYPE STRING,
CHILD_MAKTX TYPE STRING,
PARENT_UII TYPE STRING,
CHILD_UID_IAC_ID TYPE STRING,
CHILD_UID_EID TYPE STRING,
CHILD_MATNR TYPE STRING,
CHILD_CHARGE TYPE STRING,
CHILD_SERNR TYPE STRING,
CHILD_PCID TYPE STRING,
CHILD_BOTCODE TYPE STRING,
CHILD_CONTENTS TYPE STRING,
CHILD_EFFECTIVE_DATE TYPE STRING,
CHILD_AOR_FLAG TYPE STRING,
CHILD_MAR_IAC TYPE STRING,
CHILD_MAR_EID TYPE STRING,
CHILD_MEDIUM_CODE TYPE STRING,
CHILD_VALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_IUID_REG_DATA_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_BAPI_IUID_REG_DATA_STR-UII sy-vline 
WA_BAPI_IUID_REG_DATA_STR-IUID_TYPE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-UID_IAC_ID sy-vline 
WA_BAPI_IUID_REG_DATA_STR-UID_EID sy-vline 
WA_BAPI_IUID_REG_DATA_STR-MATNR sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHARGE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-SERNR sy-vline 
WA_BAPI_IUID_REG_DATA_STR-PCID sy-vline 
WA_BAPI_IUID_REG_DATA_STR-VBELN sy-vline 
WA_BAPI_IUID_REG_DATA_STR-POSNR sy-vline 
WA_BAPI_IUID_REG_DATA_STR-MAKTX sy-vline 
WA_BAPI_IUID_REG_DATA_STR-WAERK sy-vline 
WA_BAPI_IUID_REG_DATA_STR-MEINS sy-vline 
WA_BAPI_IUID_REG_DATA_STR-NETWR sy-vline 
WA_BAPI_IUID_REG_DATA_STR-ACC_CODE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-ACC_DATE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-IHREZ_E sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CUR_MATNR sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CUR_MAT_DAT sy-vline 
WA_BAPI_IUID_REG_DATA_STR-MAN_IAC sy-vline 
WA_BAPI_IUID_REG_DATA_STR-MAN_EID sy-vline 
WA_BAPI_IUID_REG_DATA_STR-BOTCODE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CONTENTS sy-vline 
WA_BAPI_IUID_REG_DATA_STR-EFFECTIVE_DATE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-AOR_FLAG sy-vline 
WA_BAPI_IUID_REG_DATA_STR-MAR_IAC sy-vline 
WA_BAPI_IUID_REG_DATA_STR-MAR_EID sy-vline 
WA_BAPI_IUID_REG_DATA_STR-MEDIUM_CODE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-VALUE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CUST_PCID sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CUST_CVBELN sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CUST_RS_DATE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CUST_STATUS_CODE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_UII sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_IUID_TYPE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_MAKTX sy-vline 
WA_BAPI_IUID_REG_DATA_STR-PARENT_UII sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_UID_IAC_ID sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_UID_EID sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_MATNR sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_CHARGE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_SERNR sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_PCID sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_BOTCODE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_CONTENTS sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_EFFECTIVE_DATE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_AOR_FLAG sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_MAR_IAC sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_MAR_EID sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_MEDIUM_CODE sy-vline 
WA_BAPI_IUID_REG_DATA_STR-CHILD_VALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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