ABAP Select data from SAP table /SCMTMS/D_PLNXPF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/D_PLNXPF
*  INTO TABLE @DATA(IT_/SCMTMS/D_PLNXPF2).
*--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_/SCMTMS/D_PLNXPF INDEX 1 INTO DATA(WA_/SCMTMS/D_PLNXPF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/D_PLNXPF>-MANDT = 1.
</SCMTMS/D_PLNXPF>-DB_KEY = 1.
</SCMTMS/D_PLNXPF>-PARENT_KEY = 1.
</SCMTMS/D_PLNXPF>-STOP_CAT = 1.
</SCMTMS/D_PLNXPF>-PRIORITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/D_PLNXPF-LOC_GUID, sy-vline,
  WA_/SCMTMS/D_PLNXPF-VEH_TYPE_GUID, sy-vline,
  WA_/SCMTMS/D_PLNXPF-DURATION_AT_STOP_BORDER, sy-vline,
  WA_/SCMTMS/D_PLNXPF-TW_GUID_FOR_STOP_BORDER, sy-vline,
  WA_/SCMTMS/D_PLNXPF-DURATION_AT_TOUR_BORDER, sy-vline,
  WA_/SCMTMS/D_PLNXPF-TW_GUID_FOR_TOUR_BORDER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/D_PLNXPF 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_/SCMTMS/D_PLNXPF 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_/SCMTMS/D_PLNXPF INTO WA_/SCMTMS/D_PLNXPF.


*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 EXP01, internal->external for field LOC_GUID
CALL FUNCTION 'CONVERSION_EXIT_EXP01_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_PLNXPF-LOC_GUID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_PLNXPF-LOC_GUID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXP01, internal->external for field VEH_TYPE_GUID
CALL FUNCTION 'CONVERSION_EXIT_EXP01_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_PLNXPF-VEH_TYPE_GUID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_PLNXPF-VEH_TYPE_GUID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXP01, internal->external for field TW_GUID_FOR_STOP_BORDER
CALL FUNCTION 'CONVERSION_EXIT_EXP01_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_PLNXPF-TW_GUID_FOR_STOP_BORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_PLNXPF-TW_GUID_FOR_STOP_BORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXP01, internal->external for field TW_GUID_FOR_TOUR_BORDER
CALL FUNCTION 'CONVERSION_EXIT_EXP01_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_PLNXPF-TW_GUID_FOR_TOUR_BORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_PLNXPF-TW_GUID_FOR_TOUR_BORDER.
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_/SCMTMS/D_PLNXPF_STR, 
MANDT TYPE STRING,
DB_KEY TYPE STRING,
PARENT_KEY TYPE STRING,
STOP_CAT TYPE STRING,
PRIORITY TYPE STRING,
LOC_GUID TYPE STRING,
VEH_TYPE_GUID TYPE STRING,
DURATION_AT_STOP_BORDER TYPE STRING,
TW_GUID_FOR_STOP_BORDER TYPE STRING,
DURATION_AT_TOUR_BORDER TYPE STRING,
TW_GUID_FOR_TOUR_BORDER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/D_PLNXPF_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_/SCMTMS/D_PLNXPF_STR-MANDT sy-vline 
WA_/SCMTMS/D_PLNXPF_STR-DB_KEY sy-vline 
WA_/SCMTMS/D_PLNXPF_STR-PARENT_KEY sy-vline 
WA_/SCMTMS/D_PLNXPF_STR-STOP_CAT sy-vline 
WA_/SCMTMS/D_PLNXPF_STR-PRIORITY sy-vline 
WA_/SCMTMS/D_PLNXPF_STR-LOC_GUID sy-vline 
WA_/SCMTMS/D_PLNXPF_STR-VEH_TYPE_GUID sy-vline 
WA_/SCMTMS/D_PLNXPF_STR-DURATION_AT_STOP_BORDER sy-vline 
WA_/SCMTMS/D_PLNXPF_STR-TW_GUID_FOR_STOP_BORDER sy-vline 
WA_/SCMTMS/D_PLNXPF_STR-DURATION_AT_TOUR_BORDER sy-vline 
WA_/SCMTMS/D_PLNXPF_STR-TW_GUID_FOR_TOUR_BORDER sy-vline      INTO ld_text SEPARATED BY SPACE.

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