ABAP Select data from SAP table EHPMAS_CCI_CMPNTS_SUB_LST_MAP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPMAS_CCI_CMPNTS_SUB_LST_MAP
*  INTO TABLE @DATA(IT_EHPMAS_CCI_CMPNTS_SUB_LST_MAP2).
*--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_EHPMAS_CCI_CMPNTS_SUB_LST_MAP INDEX 1 INTO DATA(WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPMAS_CCI_CMPNTS_SUB_LST_MAP>-CMPLRQVERSUUID = 1.
<EHPMAS_CCI_CMPNTS_SUB_LST_MAP>-CHMLCMPLNCINFOUUID = 1.
<EHPMAS_CCI_CMPNTS_SUB_LST_MAP>-CHMLCOMPOSITIONUUID = 1.
<EHPMAS_CCI_CMPNTS_SUB_LST_MAP>-CHMLCOMPOSITIONTYPE = 1.
<EHPMAS_CCI_CMPNTS_SUB_LST_MAP>-CHMLCOMPUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-CHMLCOMPTYPE, sy-vline,
  WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-CHMLCOMPOPERATOR, sy-vline,
  WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-CHMLCOMPQTY, sy-vline,
  WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-CHMLCOMPQTYUNIT, sy-vline,
  WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-SUBSTANCEUUID, sy-vline,
  WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-SUBSTLASTCHANGEDATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP 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_EHPMAS_CCI_CMPNTS_SUB_LST_MAP 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_EHPMAS_CCI_CMPNTS_SUB_LST_MAP INTO WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP.


*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 CMPTP, internal->external for field CHMLCOMPTYPE
CALL FUNCTION 'CONVERSION_EXIT_CMPTP_OUTPUT'
  EXPORTING
    input =                      WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-CHMLCOMPTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-CHMLCOMPTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHUNI, internal->external for field CHMLCOMPQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_EHUNI_OUTPUT'
  EXPORTING
    input =                      WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-CHMLCOMPQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-CHMLCOMPQTYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RLTYP, internal->external for field SUBSTANCELISTTYPE
CALL FUNCTION 'CONVERSION_EXIT_RLTYP_OUTPUT'
  EXPORTING
    input =                      WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-SUBSTANCELISTTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-SUBSTANCELISTTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHUNI, internal->external for field SUBSTANCELISTITMTHRESHOLDUOM
CALL FUNCTION 'CONVERSION_EXIT_EHUNI_OUTPUT'
  EXPORTING
    input =                      WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-SUBSTANCELISTITMTHRESHOLDUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-SUBSTANCELISTITMTHRESHOLDUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LISTEDSUBSTANCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-LISTEDSUBSTANCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP-LISTEDSUBSTANCE.
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_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR, 
CMPLRQVERSUUID TYPE STRING,
CHMLCMPLNCINFOUUID TYPE STRING,
CHMLCOMPOSITIONUUID TYPE STRING,
CHMLCOMPOSITIONTYPE TYPE STRING,
CHMLCOMPUUID TYPE STRING,
CHMLCOMPTYPE TYPE STRING,
CHMLCOMPOPERATOR TYPE STRING,
CHMLCOMPQTY TYPE STRING,
CHMLCOMPQTYUNIT TYPE STRING,
SUBSTANCEUUID TYPE STRING,
SUBSTLASTCHANGEDATETIME TYPE STRING,
SUBSTANCELISTUUID TYPE STRING,
SUBSTANCELIST TYPE STRING,
SUBSTANCELISTTYPE TYPE STRING,
SUBSTANCELISTITMTHRESHOLD TYPE STRING,
SUBSTANCELISTITMTHRESHOLDUOM TYPE STRING,
LISTEDSUBSTANCE TYPE STRING,
ROOT_INDICATOR TYPE STRING,
VARIANT_INDICATOR TYPE STRING,
GROUP_INDICATOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_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_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-CMPLRQVERSUUID sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-CHMLCOMPOSITIONUUID sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-CHMLCOMPOSITIONTYPE sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-CHMLCOMPUUID sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-CHMLCOMPTYPE sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-CHMLCOMPOPERATOR sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-CHMLCOMPQTY sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-CHMLCOMPQTYUNIT sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-SUBSTANCEUUID sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-SUBSTLASTCHANGEDATETIME sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-SUBSTANCELISTUUID sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-SUBSTANCELIST sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-SUBSTANCELISTTYPE sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-SUBSTANCELISTITMTHRESHOLD sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-SUBSTANCELISTITMTHRESHOLDUOM sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-LISTEDSUBSTANCE sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-ROOT_INDICATOR sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-VARIANT_INDICATOR sy-vline 
WA_EHPMAS_CCI_CMPNTS_SUB_LST_MAP_STR-GROUP_INDICATOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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