ABAP Select data from SAP table /SCMTMS/D_PLNXSP 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_PLNXSP 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_PLNXSP. 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_PLNXSP 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_PLNXSP TYPE STANDARD TABLE OF /SCMTMS/D_PLNXSP,
      WA_/SCMTMS/D_PLNXSP TYPE /SCMTMS/D_PLNXSP,
      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_PLNXSP> TYPE /SCMTMS/D_PLNXSP.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/D_PLNXSP
*  INTO TABLE @DATA(IT_/SCMTMS/D_PLNXSP2).
*--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_PLNXSP INDEX 1 INTO DATA(WA_/SCMTMS/D_PLNXSP2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/D_PLNXSP-TSP_KEY, sy-vline,
  WA_/SCMTMS/D_PLNXSP-TSP_NAME, sy-vline,
  WA_/SCMTMS/D_PLNXSP-SERVICE_LEVEL, sy-vline,
  WA_/SCMTMS/D_PLNXSP-SELECTED, sy-vline,
  WA_/SCMTMS/D_PLNXSP-AMOUNT, sy-vline,
  WA_/SCMTMS/D_PLNXSP-PU_TIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/D_PLNXSP 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_PLNXSP 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_PLNXSP INTO WA_/SCMTMS/D_PLNXSP.


*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 DSO_GUID
CALL FUNCTION 'CONVERSION_EXIT_EXP01_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_PLNXSP-DSO_GUID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_PLNXSP-DSO_GUID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ID001, internal->external for field TSP_KEY
CALL FUNCTION 'CONVERSION_EXIT_ID001_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_PLNXSP-TSP_KEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_PLNXSP-TSP_KEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXP03, internal->external for field AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_EXP03_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_PLNXSP-AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_PLNXSP-AMOUNT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit EXP03, internal->external for field CO2_COST
CALL FUNCTION 'CONVERSION_EXIT_EXP03_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_PLNXSP-CO2_COST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_PLNXSP-CO2_COST.
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_PLNXSP_STR, 
MANDT TYPE STRING,
DB_KEY TYPE STRING,
PARENT_KEY TYPE STRING,
DSO_GUID TYPE STRING,
FU_GUID TYPE STRING,
TSP_KEY TYPE STRING,
TSP_NAME TYPE STRING,
SERVICE_LEVEL TYPE STRING,
SELECTED TYPE STRING,
AMOUNT TYPE STRING,
PU_TIME TYPE STRING,
DL_TIME TYPE STRING,
VEH_TYPE TYPE STRING,
CO2_COST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/D_PLNXSP_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_PLNXSP_STR-MANDT sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-DB_KEY sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-PARENT_KEY sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-DSO_GUID sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-FU_GUID sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-TSP_KEY sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-TSP_NAME sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-SERVICE_LEVEL sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-SELECTED sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-AMOUNT sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-PU_TIME sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-DL_TIME sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-VEH_TYPE sy-vline 
WA_/SCMTMS/D_PLNXSP_STR-CO2_COST sy-vline      INTO ld_text SEPARATED BY SPACE.

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