ABAP Select data from SAP table /INCMD/PROD_LOC_MAP_MDL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /INCMD/PROD_LOC_MAP_MDL 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 /INCMD/PROD_LOC_MAP_MDL. 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 /INCMD/PROD_LOC_MAP_MDL 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_/INCMD/PROD_LOC_MAP_MDL TYPE STANDARD TABLE OF /INCMD/PROD_LOC_MAP_MDL,
      WA_/INCMD/PROD_LOC_MAP_MDL TYPE /INCMD/PROD_LOC_MAP_MDL,
      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: </INCMD/PROD_LOC_MAP_MDL> TYPE /INCMD/PROD_LOC_MAP_MDL.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /INCMD/PROD_LOC_MAP_MDL
  INTO TABLE IT_/INCMD/PROD_LOC_MAP_MDL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /INCMD/PROD_LOC_MAP_MDL
*  INTO TABLE @DATA(IT_/INCMD/PROD_LOC_MAP_MDL2).
*--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_/INCMD/PROD_LOC_MAP_MDL INDEX 1 INTO DATA(WA_/INCMD/PROD_LOC_MAP_MDL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/INCMD/PROD_LOC_MAP_MDL ASSIGNING </INCMD/PROD_LOC_MAP_MDL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</INCMD/PROD_LOC_MAP_MDL>-PRODUCT_ID = 1.
</INCMD/PROD_LOC_MAP_MDL>-LOCATION_ID = 1.
</INCMD/PROD_LOC_MAP_MDL>-CMPEXT = 1.
</INCMD/PROD_LOC_MAP_MDL>-LOCEXT = 1.
</INCMD/PROD_LOC_MAP_MDL>-BESKZ = 1.

ENDLOOP.

LOOP AT IT_/INCMD/PROD_LOC_MAP_MDL INTO WA_/INCMD/PROD_LOC_MAP_MDL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/INCMD/PROD_LOC_MAP_MDL-MAABC, sy-vline,
  WA_/INCMD/PROD_LOC_MAP_MDL-SALESPRICE, sy-vline,
  WA_/INCMD/PROD_LOC_MAP_MDL-SCOST, sy-vline,
  WA_/INCMD/PROD_LOC_MAP_MDL-PLANNER_PUR, sy-vline,
  WA_/INCMD/PROD_LOC_MAP_MDL-RPSTATUS, sy-vline,
  WA_/INCMD/PROD_LOC_MAP_MDL-MAXSTOCK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/INCMD/PROD_LOC_MAP_MDL 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_/INCMD/PROD_LOC_MAP_MDL 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_/INCMD/PROD_LOC_MAP_MDL INTO WA_/INCMD/PROD_LOC_MAP_MDL.


*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 PURTIME
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_/INCMD/PROD_LOC_MAP_MDL-PURTIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/INCMD/PROD_LOC_MAP_MDL-PURTIME.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSTRG, internal->external for field MATURITY_DUR
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_/INCMD/PROD_LOC_MAP_MDL-MATURITY_DUR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/INCMD/PROD_LOC_MAP_MDL-MATURITY_DUR.
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_/INCMD/PROD_LOC_MAP_MDL_STR, 
PRODUCT_ID TYPE STRING,
LOCATION_ID TYPE STRING,
CMPEXT TYPE STRING,
LOCEXT TYPE STRING,
BESKZ TYPE STRING,
MAABC TYPE STRING,
SALESPRICE TYPE STRING,
SCOST TYPE STRING,
PLANNER_PUR TYPE STRING,
RPSTATUS TYPE STRING,
MAXSTOCK TYPE STRING,
MINSTOCK TYPE STRING,
PURTIME TYPE STRING,
GRPRT TYPE STRING,
MEASGRBUY TYPE STRING,
SHLF_LFE_REQ_MIN TYPE STRING,
TDFIELDS TYPE STRING,
SHLF_LFE_REQ_MAX TYPE STRING,
MATURITY_DUR TYPE STRING,
SHELF_LIFE_LOC TYPE STRING,
SHELF_LIFE_DUR TYPE STRING,
KZKFG TYPE STRING,
LVORM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/INCMD/PROD_LOC_MAP_MDL_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_/INCMD/PROD_LOC_MAP_MDL_STR-PRODUCT_ID sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-LOCATION_ID sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-CMPEXT sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-LOCEXT sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-BESKZ sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-MAABC sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-SALESPRICE sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-SCOST sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-PLANNER_PUR sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-RPSTATUS sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-MAXSTOCK sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-MINSTOCK sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-PURTIME sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-GRPRT sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-MEASGRBUY sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-SHLF_LFE_REQ_MIN sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-TDFIELDS sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-SHLF_LFE_REQ_MAX sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-MATURITY_DUR sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-SHELF_LIFE_LOC sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-SHELF_LIFE_DUR sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-KZKFG sy-vline 
WA_/INCMD/PROD_LOC_MAP_MDL_STR-LVORM sy-vline      INTO ld_text SEPARATED BY SPACE.

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