ABAP Select data from SAP table /SAPAPO/MSDP_CAPPOCO_STR 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_CAPPOCO_STR 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_CAPPOCO_STR. 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_CAPPOCO_STR 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_CAPPOCO_STR TYPE STANDARD TABLE OF /SAPAPO/MSDP_CAPPOCO_STR,
      WA_/SAPAPO/MSDP_CAPPOCO_STR TYPE /SAPAPO/MSDP_CAPPOCO_STR,
      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_CAPPOCO_STR> TYPE /SAPAPO/MSDP_CAPPOCO_STR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/MSDP_CAPPOCO_STR
*  INTO TABLE @DATA(IT_/SAPAPO/MSDP_CAPPOCO_STR2).
*--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_CAPPOCO_STR INDEX 1 INTO DATA(WA_/SAPAPO/MSDP_CAPPOCO_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/MSDP_CAPPOCO_STR>-VERSION = 1.
</SAPAPO/MSDP_CAPPOCO_STR>-DOCID = 1.
</SAPAPO/MSDP_CAPPOCO_STR>-SCHID = 1.
</SAPAPO/MSDP_CAPPOCO_STR>-ORDNO = 1.
</SAPAPO/MSDP_CAPPOCO_STR>-MATID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/MSDP_CAPPOCO_STR-LOCFR, sy-vline,
  WA_/SAPAPO/MSDP_CAPPOCO_STR-LOCTO, sy-vline,
  WA_/SAPAPO/MSDP_CAPPOCO_STR-TRPID, sy-vline,
  WA_/SAPAPO/MSDP_CAPPOCO_STR-TTYPE, sy-vline,
  WA_/SAPAPO/MSDP_CAPPOCO_STR-PLOBID, sy-vline,
  WA_/SAPAPO/MSDP_CAPPOCO_STR-TSTFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/MSDP_CAPPOCO_STR 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_CAPPOCO_STR 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_CAPPOCO_STR INTO WA_/SAPAPO/MSDP_CAPPOCO_STR.


*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 VRSIO, internal->external for field VERSION
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_CAPPOCO_STR-VERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_CAPPOCO_STR-VERSION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PLOBC, internal->external for field PLOBID
CALL FUNCTION 'CONVERSION_EXIT_PLOBC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_CAPPOCO_STR-PLOBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_CAPPOCO_STR-PLOBID.
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_CAPPOCO_STR_STR, 
VERSION TYPE STRING,
DOCID TYPE STRING,
SCHID TYPE STRING,
ORDNO TYPE STRING,
MATID TYPE STRING,
LOCFR TYPE STRING,
LOCTO TYPE STRING,
TRPID TYPE STRING,
TTYPE TYPE STRING,
PLOBID TYPE STRING,
TSTFR TYPE STRING,
TSTTO TYPE STRING,
BCKFR TYPE STRING,
BCKTO TYPE STRING,
TRANS TYPE STRING,
MOSTA TYPE STRING,
TSTRD TYPE STRING,
SNP_GROUPID TYPE STRING,
SNP_GROUPNO TYPE STRING,
SNP_GROUPSTATUS TYPE STRING,
SNP_IS_HEADER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/MSDP_CAPPOCO_STR_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_CAPPOCO_STR_STR-VERSION sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-DOCID sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-SCHID sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-ORDNO sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-MATID sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-LOCFR sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-LOCTO sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-TRPID sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-TTYPE sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-PLOBID sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-TSTFR sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-TSTTO sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-BCKFR sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-BCKTO sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-TRANS sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-MOSTA sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-TSTRD sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-SNP_GROUPID sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-SNP_GROUPNO sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-SNP_GROUPSTATUS sy-vline 
WA_/SAPAPO/MSDP_CAPPOCO_STR_STR-SNP_IS_HEADER sy-vline      INTO ld_text SEPARATED BY SPACE.

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