ABAP Select data from SAP table MMPUR_S_SOS_SRC_DETM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_SOS_SRC_DETM
*  INTO TABLE @DATA(IT_MMPUR_S_SOS_SRC_DETM2).
*--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_MMPUR_S_SOS_SRC_DETM INDEX 1 INTO DATA(WA_MMPUR_S_SOS_SRC_DETM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_SOS_SRC_DETM>-PUR_DOC = 1.
<MMPUR_S_SOS_SRC_DETM>-PUR_ITM = 1.
<MMPUR_S_SOS_SRC_DETM>-ORD_TYPE = 1.
<MMPUR_S_SOS_SRC_DETM>-ITM_CAT = 1.
<MMPUR_S_SOS_SRC_DETM>-PUR_DOC_CAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_S_SOS_SRC_DETM-PLANT, sy-vline,
  WA_MMPUR_S_SOS_SRC_DETM-MATL_NMBR, sy-vline,
  WA_MMPUR_S_SOS_SRC_DETM-MATL_GRP, sy-vline,
  WA_MMPUR_S_SOS_SRC_DETM-QUANTITY, sy-vline,
  WA_MMPUR_S_SOS_SRC_DETM-BASE_UNIT, sy-vline,
  WA_MMPUR_S_SOS_SRC_DETM-SOS_DOC_CAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_S_SOS_SRC_DETM 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_MMPUR_S_SOS_SRC_DETM 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_MMPUR_S_SOS_SRC_DETM INTO WA_MMPUR_S_SOS_SRC_DETM.


*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 PUR_DOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_SOS_SRC_DETM-PUR_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SOS_SRC_DETM-PUR_DOC.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field ACCT_SUPLR_NMBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_SOS_SRC_DETM-ACCT_SUPLR_NMBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SOS_SRC_DETM-ACCT_SUPLR_NMBR.
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_MMPUR_S_SOS_SRC_DETM_STR, 
PUR_DOC TYPE STRING,
PUR_ITM TYPE STRING,
ORD_TYPE TYPE STRING,
ITM_CAT TYPE STRING,
PUR_DOC_CAT TYPE STRING,
PLANT TYPE STRING,
MATL_NMBR TYPE STRING,
MATL_GRP TYPE STRING,
QUANTITY TYPE STRING,
BASE_UNIT TYPE STRING,
SOS_DOC_CAT TYPE STRING,
RELEASE_DATE TYPE STRING,
DELIVERY_DATE TYPE STRING,
VALID_TO TYPE STRING,
VALID_FROM TYPE STRING,
ACCT_CAT TYPE STRING,
ACCT_SUPLR_NMBR TYPE STRING,
PRICE TYPE STRING,
SOS_DOC_TYPE TYPE STRING,
VENDORNAME TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
CONSUMPTIONPOSTING TYPE STRING,
CURRENCY TYPE STRING,
SERVICEPACKAGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_SOS_SRC_DETM_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_MMPUR_S_SOS_SRC_DETM_STR-PUR_DOC sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-PUR_ITM sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-ORD_TYPE sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-ITM_CAT sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-PUR_DOC_CAT sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-PLANT sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-MATL_NMBR sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-MATL_GRP sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-QUANTITY sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-BASE_UNIT sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-SOS_DOC_CAT sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-RELEASE_DATE sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-DELIVERY_DATE sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-VALID_TO sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-VALID_FROM sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-ACCT_CAT sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-ACCT_SUPLR_NMBR sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-PRICE sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-SOS_DOC_TYPE sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-VENDORNAME sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-PURCHASINGORGANIZATION sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-CONSUMPTIONPOSTING sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-CURRENCY sy-vline 
WA_MMPUR_S_SOS_SRC_DETM_STR-SERVICEPACKAGE sy-vline      INTO ld_text SEPARATED BY SPACE.

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