ABAP Select data from SAP table OIUREP_MASTER_MP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIUREP_MASTER_MP
*  INTO TABLE @DATA(IT_OIUREP_MASTER_MP2).
*--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_OIUREP_MASTER_MP INDEX 1 INTO DATA(WA_OIUREP_MASTER_MP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIUREP_MASTER_MP>-MANDT = 1.
<OIUREP_MASTER_MP>-AGENCY = 1.
<OIUREP_MASTER_MP>-REP_NAME = 1.
<OIUREP_MASTER_MP>-MP_NO = 1.
<OIUREP_MASTER_MP>-EFF_FROM_DT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIUREP_MASTER_MP-EFF_TO_DT, sy-vline,
  WA_OIUREP_MASTER_MP-EFF_TO_CD, sy-vline,
  WA_OIUREP_MASTER_MP-TIMESTAMP, sy-vline,
  WA_OIUREP_MASTER_MP-USERID, sy-vline,
  WA_OIUREP_MASTER_MP-FACILITY_CD, sy-vline,
  WA_OIUREP_MASTER_MP-OUT_FMP_NO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIUREP_MASTER_MP 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_OIUREP_MASTER_MP 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_OIUREP_MASTER_MP INTO WA_OIUREP_MASTER_MP.


*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 ALPHA, internal->external for field MP_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIUREP_MASTER_MP-MP_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIUREP_MASTER_MP-MP_NO.
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_OIUREP_MASTER_MP_STR, 
MANDT TYPE STRING,
AGENCY TYPE STRING,
REP_NAME TYPE STRING,
MP_NO TYPE STRING,
EFF_FROM_DT TYPE STRING,
EFF_TO_DT TYPE STRING,
EFF_TO_CD TYPE STRING,
TIMESTAMP TYPE STRING,
USERID TYPE STRING,
FACILITY_CD TYPE STRING,
OUT_FMP_NO TYPE STRING,
SALES_FMP_NO TYPE STRING,
ORG1 TYPE STRING,
ORG2 TYPE STRING,
ORG3 TYPE STRING,
ORG4 TYPE STRING,
FIELD_NO TYPE STRING,
CONS_DIST_NO TYPE STRING,
AREA_CD TYPE STRING,
WL_SERIAL_NO TYPE STRING,
COMNG_FAC_NO TYPE STRING,
LUW_NO TYPE STRING,
INAC_STATUS_CD TYPE STRING,
INAC_FUTURE_CD TYPE STRING,
INAC_ABANDON TYPE STRING,
SPLIT_GUID TYPE STRING,
OVERRIDE_GRP TYPE STRING,
DAYS_FLARED TYPE STRING,
DAYS_VENTED TYPE STRING,
CALC_METHOD TYPE STRING,
LINE_CAP TYPE STRING,
EMERGENCY_UPSET TYPE STRING,
PURGING_EVAL_TEST TYPE STRING,
INITIAL_PROD_TEST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIUREP_MASTER_MP_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_OIUREP_MASTER_MP_STR-MANDT sy-vline 
WA_OIUREP_MASTER_MP_STR-AGENCY sy-vline 
WA_OIUREP_MASTER_MP_STR-REP_NAME sy-vline 
WA_OIUREP_MASTER_MP_STR-MP_NO sy-vline 
WA_OIUREP_MASTER_MP_STR-EFF_FROM_DT sy-vline 
WA_OIUREP_MASTER_MP_STR-EFF_TO_DT sy-vline 
WA_OIUREP_MASTER_MP_STR-EFF_TO_CD sy-vline 
WA_OIUREP_MASTER_MP_STR-TIMESTAMP sy-vline 
WA_OIUREP_MASTER_MP_STR-USERID sy-vline 
WA_OIUREP_MASTER_MP_STR-FACILITY_CD sy-vline 
WA_OIUREP_MASTER_MP_STR-OUT_FMP_NO sy-vline 
WA_OIUREP_MASTER_MP_STR-SALES_FMP_NO sy-vline 
WA_OIUREP_MASTER_MP_STR-ORG1 sy-vline 
WA_OIUREP_MASTER_MP_STR-ORG2 sy-vline 
WA_OIUREP_MASTER_MP_STR-ORG3 sy-vline 
WA_OIUREP_MASTER_MP_STR-ORG4 sy-vline 
WA_OIUREP_MASTER_MP_STR-FIELD_NO sy-vline 
WA_OIUREP_MASTER_MP_STR-CONS_DIST_NO sy-vline 
WA_OIUREP_MASTER_MP_STR-AREA_CD sy-vline 
WA_OIUREP_MASTER_MP_STR-WL_SERIAL_NO sy-vline 
WA_OIUREP_MASTER_MP_STR-COMNG_FAC_NO sy-vline 
WA_OIUREP_MASTER_MP_STR-LUW_NO sy-vline 
WA_OIUREP_MASTER_MP_STR-INAC_STATUS_CD sy-vline 
WA_OIUREP_MASTER_MP_STR-INAC_FUTURE_CD sy-vline 
WA_OIUREP_MASTER_MP_STR-INAC_ABANDON sy-vline 
WA_OIUREP_MASTER_MP_STR-SPLIT_GUID sy-vline 
WA_OIUREP_MASTER_MP_STR-OVERRIDE_GRP sy-vline 
WA_OIUREP_MASTER_MP_STR-DAYS_FLARED sy-vline 
WA_OIUREP_MASTER_MP_STR-DAYS_VENTED sy-vline 
WA_OIUREP_MASTER_MP_STR-CALC_METHOD sy-vline 
WA_OIUREP_MASTER_MP_STR-LINE_CAP sy-vline 
WA_OIUREP_MASTER_MP_STR-EMERGENCY_UPSET sy-vline 
WA_OIUREP_MASTER_MP_STR-PURGING_EVAL_TEST sy-vline 
WA_OIUREP_MASTER_MP_STR-INITIAL_PROD_TEST sy-vline      INTO ld_text SEPARATED BY SPACE.

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