ABAP Select data from SAP table PCREDACCOUNTDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCREDACCOUNTDATA
*  INTO TABLE @DATA(IT_PCREDACCOUNTDATA2).
*--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_PCREDACCOUNTDATA INDEX 1 INTO DATA(WA_PCREDACCOUNTDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCREDACCOUNTDATA>-MANDT = 1.
<PCREDACCOUNTDATA>-BUSINESSPARTNER = 1.
<PCREDACCOUNTDATA>-CREDITSEGMENT = 1.
<PCREDACCOUNTDATA>-CREDITSEGMENTCURRENCY = 1.
<PCREDACCOUNTDATA>-DISPLAYCURRENCY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCREDACCOUNTDATA-CUSTOMERCREDITEXPOSUREAMOUNT, sy-vline,
  WA_PCREDACCOUNTDATA-CUSTOMERCREDITLIMITAMOUNT, sy-vline,
  WA_PCREDACCOUNTDATA-CREDITLIMITCALCULATEDAMOUNT, sy-vline,
  WA_PCREDACCOUNTDATA-CREDITLIMITREQUESTEDAMOUNT, sy-vline,
  WA_PCREDACCOUNTDATA-NUMBEROFBUSINESSPARTNERS, sy-vline,
  WA_PCREDACCOUNTDATA-CRDTLIMITISEQUALCRDTLIMITCALCD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCREDACCOUNTDATA 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_PCREDACCOUNTDATA 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_PCREDACCOUNTDATA INTO WA_PCREDACCOUNTDATA.


*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 BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCREDACCOUNTDATA-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCREDACCOUNTDATA-BUSINESSPARTNER.
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_PCREDACCOUNTDATA_STR, 
MANDT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CREDITSEGMENT TYPE STRING,
CREDITSEGMENTCURRENCY TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
CUSTOMERCREDITEXPOSUREAMOUNT TYPE STRING,
CUSTOMERCREDITLIMITAMOUNT TYPE STRING,
CREDITLIMITCALCULATEDAMOUNT TYPE STRING,
CREDITLIMITREQUESTEDAMOUNT TYPE STRING,
NUMBEROFBUSINESSPARTNERS TYPE STRING,
CRDTLIMITISEQUALCRDTLIMITCALCD TYPE STRING,
CRDTLIMITISEQUALCRDTLIMITREQD TYPE STRING,
CRDTLIMITVALIDITYREMAININGDAYS TYPE STRING,
CREDITLIMITLASTCHANGEDAYS TYPE STRING,
CREDITLIMITISZERO TYPE STRING,
BUSINESSPARTNERISCRITICAL TYPE STRING,
CREDITACCOUNTISBLOCKED TYPE STRING,
CRDTLMTISREQDFRMAUTOMCALC TYPE STRING,
CREDITLIMITVALIDITYENDDATE TYPE STRING,
CREDITLIMITLASTCHANGEDATE TYPE STRING,
CREDITCOORDINATOR TYPE STRING,
CREDITACCOUNTRESUBMISSIONDATE TYPE STRING,
CREDITACCOUNTBLOCKREASON TYPE STRING,
CREDITLIMITREQDVALIDITYENDDATE TYPE STRING,
CREDITLIMITREQUESTDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCREDACCOUNTDATA_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_PCREDACCOUNTDATA_STR-MANDT sy-vline 
WA_PCREDACCOUNTDATA_STR-BUSINESSPARTNER sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITSEGMENT sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITSEGMENTCURRENCY sy-vline 
WA_PCREDACCOUNTDATA_STR-DISPLAYCURRENCY sy-vline 
WA_PCREDACCOUNTDATA_STR-CUSTOMERCREDITEXPOSUREAMOUNT sy-vline 
WA_PCREDACCOUNTDATA_STR-CUSTOMERCREDITLIMITAMOUNT sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITLIMITCALCULATEDAMOUNT sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITLIMITREQUESTEDAMOUNT sy-vline 
WA_PCREDACCOUNTDATA_STR-NUMBEROFBUSINESSPARTNERS sy-vline 
WA_PCREDACCOUNTDATA_STR-CRDTLIMITISEQUALCRDTLIMITCALCD sy-vline 
WA_PCREDACCOUNTDATA_STR-CRDTLIMITISEQUALCRDTLIMITREQD sy-vline 
WA_PCREDACCOUNTDATA_STR-CRDTLIMITVALIDITYREMAININGDAYS sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITLIMITLASTCHANGEDAYS sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITLIMITISZERO sy-vline 
WA_PCREDACCOUNTDATA_STR-BUSINESSPARTNERISCRITICAL sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITACCOUNTISBLOCKED sy-vline 
WA_PCREDACCOUNTDATA_STR-CRDTLMTISREQDFRMAUTOMCALC sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITLIMITVALIDITYENDDATE sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITLIMITLASTCHANGEDATE sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITCOORDINATOR sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITACCOUNTRESUBMISSIONDATE sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITACCOUNTBLOCKREASON sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITLIMITREQDVALIDITYENDDATE sy-vline 
WA_PCREDACCOUNTDATA_STR-CREDITLIMITREQUESTDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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