ABAP Select data from SAP table PRD_S_SCM_MDMA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRD_S_SCM_MDMA
*  INTO TABLE @DATA(IT_PRD_S_SCM_MDMA2).
*--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_PRD_S_SCM_MDMA INDEX 1 INTO DATA(WA_PRD_S_SCM_MDMA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRD_S_SCM_MDMA>-SCM_MATLOCID_GUID16 = 1.
<PRD_S_SCM_MDMA>-SCM_MATLOCID_GUID22 = 1.
<PRD_S_SCM_MDMA>-SCM_GRPRT = 1.
<PRD_S_SCM_MDMA>-SCM_GIPRT = 1.
<PRD_S_SCM_MDMA>-SCM_RRP_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRD_S_SCM_MDMA-SCM_HEUR_ID, sy-vline,
  WA_PRD_S_SCM_MDMA-SCM_PACKAGE_ID, sy-vline,
  WA_PRD_S_SCM_MDMA-SCM_CONHAP, sy-vline,
  WA_PRD_S_SCM_MDMA-SCM_HUNIT, sy-vline,
  WA_PRD_S_SCM_MDMA-SCM_CONHAP_OUT, sy-vline,
  WA_PRD_S_SCM_MDMA-SCM_HUNIT_OUT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRD_S_SCM_MDMA 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_PRD_S_SCM_MDMA 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_PRD_S_SCM_MDMA INTO WA_PRD_S_SCM_MDMA.


*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 TSTRG, internal->external for field SCM_GRPRT
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_PRD_S_SCM_MDMA-SCM_GRPRT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRD_S_SCM_MDMA-SCM_GRPRT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field SCM_GIPRT
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_PRD_S_SCM_MDMA-SCM_GIPRT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRD_S_SCM_MDMA-SCM_GIPRT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit TSTRG, internal->external for field SCM_REORD_DUR
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_PRD_S_SCM_MDMA-SCM_REORD_DUR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRD_S_SCM_MDMA-SCM_REORD_DUR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field SCM_TARGET_DUR
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_PRD_S_SCM_MDMA-SCM_TARGET_DUR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRD_S_SCM_MDMA-SCM_TARGET_DUR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field SCM_THRUPUT_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_PRD_S_SCM_MDMA-SCM_THRUPUT_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRD_S_SCM_MDMA-SCM_THRUPUT_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SCM_IUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRD_S_SCM_MDMA-SCM_IUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRD_S_SCM_MDMA-SCM_IUNIT.
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_PRD_S_SCM_MDMA_STR, 
SCM_MATLOCID_GUID16 TYPE STRING,
SCM_MATLOCID_GUID22 TYPE STRING,
SCM_GRPRT TYPE STRING,
SCM_GIPRT TYPE STRING,
SCM_RRP_TYPE TYPE STRING,
SCM_HEUR_ID TYPE STRING,
SCM_PACKAGE_ID TYPE STRING,
SCM_CONHAP TYPE STRING,
SCM_HUNIT TYPE STRING,
SCM_CONHAP_OUT TYPE STRING,
SCM_HUNIT_OUT TYPE STRING,
SCM_RRP_SEL_GROUP TYPE STRING,
SCM_LSUOM TYPE STRING,
SCM_REORD_DUR TYPE STRING,
SCM_TARGET_DUR TYPE STRING,
SCM_TSTRID TYPE STRING,
SCM_THRUPUT_TIME TYPE STRING,
SCM_TPOP TYPE STRING,
SCM_SAFTY_V TYPE STRING,
SCM_PPSAFTYSTK TYPE STRING,
SCM_PPSAFTYSTK_V TYPE STRING,
SCM_REPSAFTY TYPE STRING,
SCM_REPSAFTY_V TYPE STRING,
SCM_REORD_V TYPE STRING,
SCM_MAXSTOCK_V TYPE STRING,
SCM_SCOST_PRCNT TYPE STRING,
SCM_PROC_COST TYPE STRING,
SCM_NDCOSTWE TYPE STRING,
SCM_NDCOSTWA TYPE STRING,
SCM_CONINP TYPE STRING,
SCM_IUNIT TYPE STRING,
MAXDOS_PEN TYPE STRING,
MAXDOS_FLG TYPE STRING,
SAFTYSTOCK_METHOD TYPE STRING,
TARGET_STOCK_LEVEL_METH TYPE STRING,
AUTO_DET_SFTYSTK_METH TYPE STRING,
USE_PERIOD_FACTOR TYPE STRING,
PERIOD_FACTOR_VALUE TYPE STRING,
PERIOD_FACTOR_TDS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRD_S_SCM_MDMA_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_PRD_S_SCM_MDMA_STR-SCM_MATLOCID_GUID16 sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_MATLOCID_GUID22 sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_GRPRT sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_GIPRT sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_RRP_TYPE sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_HEUR_ID sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_PACKAGE_ID sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_CONHAP sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_HUNIT sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_CONHAP_OUT sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_HUNIT_OUT sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_RRP_SEL_GROUP sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_LSUOM sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_REORD_DUR sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_TARGET_DUR sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_TSTRID sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_THRUPUT_TIME sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_TPOP sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_SAFTY_V sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_PPSAFTYSTK sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_PPSAFTYSTK_V sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_REPSAFTY sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_REPSAFTY_V sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_REORD_V sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_MAXSTOCK_V sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_SCOST_PRCNT sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_PROC_COST sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_NDCOSTWE sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_NDCOSTWA sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_CONINP sy-vline 
WA_PRD_S_SCM_MDMA_STR-SCM_IUNIT sy-vline 
WA_PRD_S_SCM_MDMA_STR-MAXDOS_PEN sy-vline 
WA_PRD_S_SCM_MDMA_STR-MAXDOS_FLG sy-vline 
WA_PRD_S_SCM_MDMA_STR-SAFTYSTOCK_METHOD sy-vline 
WA_PRD_S_SCM_MDMA_STR-TARGET_STOCK_LEVEL_METH sy-vline 
WA_PRD_S_SCM_MDMA_STR-AUTO_DET_SFTYSTK_METH sy-vline 
WA_PRD_S_SCM_MDMA_STR-USE_PERIOD_FACTOR sy-vline 
WA_PRD_S_SCM_MDMA_STR-PERIOD_FACTOR_VALUE sy-vline 
WA_PRD_S_SCM_MDMA_STR-PERIOD_FACTOR_TDS sy-vline      INTO ld_text SEPARATED BY SPACE.

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