ABAP Select data from SAP table PSTCPACCDIM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PSTCPACCDIM 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 PSTCPACCDIM. 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 PSTCPACCDIM 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_PSTCPACCDIM TYPE STANDARD TABLE OF PSTCPACCDIM,
      WA_PSTCPACCDIM TYPE PSTCPACCDIM,
      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: <PSTCPACCDIM> TYPE PSTCPACCDIM.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PSTCPACCDIM
  INTO TABLE IT_PSTCPACCDIM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSTCPACCDIM
*  INTO TABLE @DATA(IT_PSTCPACCDIM2).
*--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_PSTCPACCDIM INDEX 1 INTO DATA(WA_PSTCPACCDIM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PSTCPACCDIM ASSIGNING <PSTCPACCDIM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSTCPACCDIM>-MANDT = 1.
<PSTCPACCDIM>-CASHPOSITIONPROFILE = 1.
<PSTCPACCDIM>-CASHPOSITIONHIERNODE = 1.
<PSTCPACCDIM>-CASHPOSITIONHIERPARENTNODE = 1.
<PSTCPACCDIM>-CASHPOSITIONHIERNODEVALUE = 1.

ENDLOOP.

LOOP AT IT_PSTCPACCDIM INTO WA_PSTCPACCDIM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSTCPACCDIM-CASHPOSITIONHIERNODETEXT, sy-vline,
  WA_PSTCPACCDIM-CASHPOSITIONHIERNODETYPE, sy-vline,
  WA_PSTCPACCDIM-CASHPOSITIONHIERNEXTNODETYPE, sy-vline,
  WA_PSTCPACCDIM-CASHPOSITIONHIERNODETYPETEXT, sy-vline,
  WA_PSTCPACCDIM-CASHPOSITIONPROFILEDESCRIPTION, sy-vline,
  WA_PSTCPACCDIM-COMPANYCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSTCPACCDIM 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_PSTCPACCDIM 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_PSTCPACCDIM INTO WA_PSTCPACCDIM.


*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 ALPHA, internal->external for field RISKPARTNERNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSTCPACCDIM-RISKPARTNERNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSTCPACCDIM-RISKPARTNERNO.
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_PSTCPACCDIM_STR, 
MANDT TYPE STRING,
CASHPOSITIONPROFILE TYPE STRING,
CASHPOSITIONHIERNODE TYPE STRING,
CASHPOSITIONHIERPARENTNODE TYPE STRING,
CASHPOSITIONHIERNODEVALUE TYPE STRING,
CASHPOSITIONHIERNODETEXT TYPE STRING,
CASHPOSITIONHIERNODETYPE TYPE STRING,
CASHPOSITIONHIERNEXTNODETYPE TYPE STRING,
CASHPOSITIONHIERNODETYPETEXT TYPE STRING,
CASHPOSITIONPROFILEDESCRIPTION TYPE STRING,
COMPANYCODE TYPE STRING,
BANK TYPE STRING,
BANKCOUNTRY TYPE STRING,
BANKACCOUNTCURRENCY TYPE STRING,
BANKACCOUNTINTERNALID TYPE STRING,
BANKACCOUNTNUMBER TYPE STRING,
RISKPARTNERNO TYPE STRING,
COUNTRY TYPE STRING,
COMPANYCODENAME TYPE STRING,
BANKNAME TYPE STRING,
CURRENCYNAME TYPE STRING,
BANKCOUNTRYNAME TYPE STRING,
COMPANYCOUNTRYNAME TYPE STRING,
BANKACCOUNTDESCRIPTION TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSTCPACCDIM_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_PSTCPACCDIM_STR-MANDT sy-vline 
WA_PSTCPACCDIM_STR-CASHPOSITIONPROFILE sy-vline 
WA_PSTCPACCDIM_STR-CASHPOSITIONHIERNODE sy-vline 
WA_PSTCPACCDIM_STR-CASHPOSITIONHIERPARENTNODE sy-vline 
WA_PSTCPACCDIM_STR-CASHPOSITIONHIERNODEVALUE sy-vline 
WA_PSTCPACCDIM_STR-CASHPOSITIONHIERNODETEXT sy-vline 
WA_PSTCPACCDIM_STR-CASHPOSITIONHIERNODETYPE sy-vline 
WA_PSTCPACCDIM_STR-CASHPOSITIONHIERNEXTNODETYPE sy-vline 
WA_PSTCPACCDIM_STR-CASHPOSITIONHIERNODETYPETEXT sy-vline 
WA_PSTCPACCDIM_STR-CASHPOSITIONPROFILEDESCRIPTION sy-vline 
WA_PSTCPACCDIM_STR-COMPANYCODE sy-vline 
WA_PSTCPACCDIM_STR-BANK sy-vline 
WA_PSTCPACCDIM_STR-BANKCOUNTRY sy-vline 
WA_PSTCPACCDIM_STR-BANKACCOUNTCURRENCY sy-vline 
WA_PSTCPACCDIM_STR-BANKACCOUNTINTERNALID sy-vline 
WA_PSTCPACCDIM_STR-BANKACCOUNTNUMBER sy-vline 
WA_PSTCPACCDIM_STR-RISKPARTNERNO sy-vline 
WA_PSTCPACCDIM_STR-COUNTRY sy-vline 
WA_PSTCPACCDIM_STR-COMPANYCODENAME sy-vline 
WA_PSTCPACCDIM_STR-BANKNAME sy-vline 
WA_PSTCPACCDIM_STR-CURRENCYNAME sy-vline 
WA_PSTCPACCDIM_STR-BANKCOUNTRYNAME sy-vline 
WA_PSTCPACCDIM_STR-COMPANYCOUNTRYNAME sy-vline 
WA_PSTCPACCDIM_STR-BANKACCOUNTDESCRIPTION sy-vline 
WA_PSTCPACCDIM_STR-BUSINESSPARTNERNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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