ABAP Select data from SAP table /SAPAPO/MSDP_TLB_PR_PARAM_SHOW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/MSDP_TLB_PR_PARAM_SHOW
*  INTO TABLE @DATA(IT_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW2).
*--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_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW INDEX 1 INTO DATA(WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/MSDP_TLB_PR_PARAM_SHOW>-WEIGHT = 1.
</SAPAPO/MSDP_TLB_PR_PARAM_SHOW>-WEIGHT_LOW = 1.
</SAPAPO/MSDP_TLB_PR_PARAM_SHOW>-WEIGH_SIGN_L = 1.
</SAPAPO/MSDP_TLB_PR_PARAM_SHOW>-WEIGHT_HIGH = 1.
</SAPAPO/MSDP_TLB_PR_PARAM_SHOW>-WEIGHT_SIGN_H = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-WEIGHT_UNIT, sy-vline,
  WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-VOLUMEN, sy-vline,
  WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-VOLUMEN_LOW, sy-vline,
  WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-VOLUMEN_SIGN_L, sy-vline,
  WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-VOLUMEN_HIGH, sy-vline,
  WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-VOLUMEN_SIGN_H, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW 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_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW 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_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW INTO WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW.


*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 CUNIT, internal->external for field WEIGHT_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-WEIGHT_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-WEIGHT_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLUMEN_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-VOLUMEN_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-VOLUMEN_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PAL_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAL_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAL_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PAR1_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR1_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR1_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PAR2_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR2_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR2_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PAR3_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR3_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR3_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PAR4_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR4_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR4_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PAR5_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR5_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR5_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PAR6_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR6_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR6_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PAR7_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR7_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW-PAR7_UNIT.
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_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR, 
WEIGHT TYPE STRING,
WEIGHT_LOW TYPE STRING,
WEIGH_SIGN_L TYPE STRING,
WEIGHT_HIGH TYPE STRING,
WEIGHT_SIGN_H TYPE STRING,
WEIGHT_UNIT TYPE STRING,
VOLUMEN TYPE STRING,
VOLUMEN_LOW TYPE STRING,
VOLUMEN_SIGN_L TYPE STRING,
VOLUMEN_HIGH TYPE STRING,
VOLUMEN_SIGN_H TYPE STRING,
VOLUMEN_UNIT TYPE STRING,
PAL TYPE STRING,
PAL_LOW TYPE STRING,
PAL_SIGN_L TYPE STRING,
PAL_HIGH TYPE STRING,
PAL_SIGN_H TYPE STRING,
PAL_UNIT TYPE STRING,
PAR1 TYPE STRING,
PAR1_LOW TYPE STRING,
PAR1_SIGN_L TYPE STRING,
PAR1_HIGH TYPE STRING,
PAR1_SIGN_H TYPE STRING,
PAR1_UNIT TYPE STRING,
PAR2 TYPE STRING,
PAR2_LOW TYPE STRING,
PAR2_SIGN_L TYPE STRING,
PAR2_HIGH TYPE STRING,
PAR2_SIGN_H TYPE STRING,
PAR2_UNIT TYPE STRING,
PAR3 TYPE STRING,
PAR3_LOW TYPE STRING,
PAR3_SIGN_L TYPE STRING,
PAR3_HIGH TYPE STRING,
PAR3_SIGN_H TYPE STRING,
PAR3_UNIT TYPE STRING,
PAR4 TYPE STRING,
PAR4_LOW TYPE STRING,
PAR4_SIGN_L TYPE STRING,
PAR4_HIGH TYPE STRING,
PAR4_SIGN_H TYPE STRING,
PAR4_UNIT TYPE STRING,
PAR5 TYPE STRING,
PAR5_LOW TYPE STRING,
PAR5_SIGN_L TYPE STRING,
PAR5_HIGH TYPE STRING,
PAR5_SIGN_H TYPE STRING,
PAR5_UNIT TYPE STRING,
PAR6 TYPE STRING,
PAR6_LOW TYPE STRING,
PAR6_SIGN_L TYPE STRING,
PAR6_HIGH TYPE STRING,
PAR6_SIGN_H TYPE STRING,
PAR6_UNIT TYPE STRING,
PAR7 TYPE STRING,
PAR7_LOW TYPE STRING,
PAR7_SIGN_L TYPE STRING,
PAR7_HIGH TYPE STRING,
PAR7_SIGN_H TYPE STRING,
PAR7_UNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_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_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-WEIGHT sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-WEIGHT_LOW sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-WEIGH_SIGN_L sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-WEIGHT_HIGH sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-WEIGHT_SIGN_H sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-WEIGHT_UNIT sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-VOLUMEN sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-VOLUMEN_LOW sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-VOLUMEN_SIGN_L sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-VOLUMEN_HIGH sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-VOLUMEN_SIGN_H sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-VOLUMEN_UNIT sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAL sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAL_LOW sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAL_SIGN_L sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAL_HIGH sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAL_SIGN_H sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAL_UNIT sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR1 sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR1_LOW sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR1_SIGN_L sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR1_HIGH sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR1_SIGN_H sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR1_UNIT sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR2 sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR2_LOW sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR2_SIGN_L sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR2_HIGH sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR2_SIGN_H sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR2_UNIT sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR3 sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR3_LOW sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR3_SIGN_L sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR3_HIGH sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR3_SIGN_H sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR3_UNIT sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR4 sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR4_LOW sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR4_SIGN_L sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR4_HIGH sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR4_SIGN_H sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR4_UNIT sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR5 sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR5_LOW sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR5_SIGN_L sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR5_HIGH sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR5_SIGN_H sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR5_UNIT sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR6 sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR6_LOW sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR6_SIGN_L sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR6_HIGH sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR6_SIGN_H sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR6_UNIT sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR7 sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR7_LOW sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR7_SIGN_L sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR7_HIGH sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR7_SIGN_H sy-vline 
WA_/SAPAPO/MSDP_TLB_PR_PARAM_SHOW_STR-PAR7_UNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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