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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/D_PLNXTU
*  INTO TABLE @DATA(IT_/SCMTMS/D_PLNXTU2).
*--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_PLNXTU INDEX 1 INTO DATA(WA_/SCMTMS/D_PLNXTU2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/D_PLNXTU-DIM_GUID, sy-vline,
  WA_/SCMTMS/D_PLNXTU-CAPA, sy-vline,
  WA_/SCMTMS/D_PLNXTU-ADJUSTED_CAPA, sy-vline,
  WA_/SCMTMS/D_PLNXTU-USED_CAPA, sy-vline,
  WA_/SCMTMS/D_PLNXTU-UTILIZATION_ADJUSTED_CAPA, sy-vline,
  WA_/SCMTMS/D_PLNXTU-UTILIZATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/D_PLNXTU 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_PLNXTU 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_PLNXTU INTO WA_/SCMTMS/D_PLNXTU.


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

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

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

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

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

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

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

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

*Conversion exit EXP03, internal->external for field MIN_TARGET_UTILIZATION
CALL FUNCTION 'CONVERSION_EXIT_EXP03_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/D_PLNXTU-MIN_TARGET_UTILIZATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/D_PLNXTU-MIN_TARGET_UTILIZATION.
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_PLNXTU_STR, 
MANDT TYPE STRING,
DB_KEY TYPE STRING,
PARENT_KEY TYPE STRING,
SOL_ID TYPE STRING,
TOUR_GUID TYPE STRING,
DIM_GUID TYPE STRING,
CAPA TYPE STRING,
ADJUSTED_CAPA TYPE STRING,
USED_CAPA TYPE STRING,
UTILIZATION_ADJUSTED_CAPA TYPE STRING,
UTILIZATION TYPE STRING,
MIN_TARGET_CAPA_USAGE TYPE STRING,
MIN_TARGET_UTILIZATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/D_PLNXTU_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_PLNXTU_STR-MANDT sy-vline 
WA_/SCMTMS/D_PLNXTU_STR-DB_KEY sy-vline 
WA_/SCMTMS/D_PLNXTU_STR-PARENT_KEY sy-vline 
WA_/SCMTMS/D_PLNXTU_STR-SOL_ID sy-vline 
WA_/SCMTMS/D_PLNXTU_STR-TOUR_GUID sy-vline 
WA_/SCMTMS/D_PLNXTU_STR-DIM_GUID sy-vline 
WA_/SCMTMS/D_PLNXTU_STR-CAPA sy-vline 
WA_/SCMTMS/D_PLNXTU_STR-ADJUSTED_CAPA sy-vline 
WA_/SCMTMS/D_PLNXTU_STR-USED_CAPA sy-vline 
WA_/SCMTMS/D_PLNXTU_STR-UTILIZATION_ADJUSTED_CAPA sy-vline 
WA_/SCMTMS/D_PLNXTU_STR-UTILIZATION sy-vline 
WA_/SCMTMS/D_PLNXTU_STR-MIN_TARGET_CAPA_USAGE sy-vline 
WA_/SCMTMS/D_PLNXTU_STR-MIN_TARGET_UTILIZATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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