ABAP Select data from SAP table /PF1/STR_BPE_CA_DATA_EXTERNAL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PF1/STR_BPE_CA_DATA_EXTERNAL 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 /PF1/STR_BPE_CA_DATA_EXTERNAL. 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 /PF1/STR_BPE_CA_DATA_EXTERNAL 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_/PF1/STR_BPE_CA_DATA_EXTERNAL TYPE STANDARD TABLE OF /PF1/STR_BPE_CA_DATA_EXTERNAL,
      WA_/PF1/STR_BPE_CA_DATA_EXTERNAL TYPE /PF1/STR_BPE_CA_DATA_EXTERNAL,
      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: </PF1/STR_BPE_CA_DATA_EXTERNAL> TYPE /PF1/STR_BPE_CA_DATA_EXTERNAL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PF1/STR_BPE_CA_DATA_EXTERNAL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PF1/STR_BPE_CA_DATA_EXTERNAL
  INTO TABLE IT_/PF1/STR_BPE_CA_DATA_EXTERNAL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PF1/STR_BPE_CA_DATA_EXTERNAL
*  INTO TABLE @DATA(IT_/PF1/STR_BPE_CA_DATA_EXTERNAL2).
*--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_/PF1/STR_BPE_CA_DATA_EXTERNAL INDEX 1 INTO DATA(WA_/PF1/STR_BPE_CA_DATA_EXTERNAL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PF1/STR_BPE_CA_DATA_EXTERNAL ASSIGNING </PF1/STR_BPE_CA_DATA_EXTERNAL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PF1/STR_BPE_CA_DATA_EXTERNAL>-CL_INSTITUT = 1.
</PF1/STR_BPE_CA_DATA_EXTERNAL>-BAM_ID = 1.
</PF1/STR_BPE_CA_DATA_EXTERNAL>-ROUTE_ACCT_NO = 1.
</PF1/STR_BPE_CA_DATA_EXTERNAL>-ROUTE_ACCT_CUR = 1.
</PF1/STR_BPE_CA_DATA_EXTERNAL>-ROUTE_COUNTRY = 1.

ENDLOOP.

LOOP AT IT_/PF1/STR_BPE_CA_DATA_EXTERNAL INTO WA_/PF1/STR_BPE_CA_DATA_EXTERNAL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PF1/STR_BPE_CA_DATA_EXTERNAL-ROUTE_BANKKEY, sy-vline,
  WA_/PF1/STR_BPE_CA_DATA_EXTERNAL-ROUTE_IBAN, sy-vline,
  WA_/PF1/STR_BPE_CA_DATA_EXTERNAL-ROUTE_BIC, sy-vline,
  WA_/PF1/STR_BPE_CA_DATA_EXTERNAL-ROUTE_HOLDERNAME, sy-vline,
  WA_/PF1/STR_BPE_CA_DATA_EXTERNAL-OUT_CONVERTER, sy-vline,
  WA_/PF1/STR_BPE_CA_DATA_EXTERNAL-OUT_FORMAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PF1/STR_BPE_CA_DATA_EXTERNAL 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_/PF1/STR_BPE_CA_DATA_EXTERNAL 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_/PF1/STR_BPE_CA_DATA_EXTERNAL INTO WA_/PF1/STR_BPE_CA_DATA_EXTERNAL.


*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 CL_INSTITUT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PF1/STR_BPE_CA_DATA_EXTERNAL-CL_INSTITUT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PF1/STR_BPE_CA_DATA_EXTERNAL-CL_INSTITUT.
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_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR, 
CL_INSTITUT TYPE STRING,
BAM_ID TYPE STRING,
ROUTE_ACCT_NO TYPE STRING,
ROUTE_ACCT_CUR TYPE STRING,
ROUTE_COUNTRY TYPE STRING,
ROUTE_BANKKEY TYPE STRING,
ROUTE_IBAN TYPE STRING,
ROUTE_BIC TYPE STRING,
ROUTE_HOLDERNAME TYPE STRING,
OUT_CONVERTER TYPE STRING,
OUT_FORMAT TYPE STRING,
OUT_CHANNEL TYPE STRING,
OUT_MEDIUM TYPE STRING,
OUT_BULK_TYPE TYPE STRING,
OUT_PRIORITY TYPE STRING,
OUT_POTYPE TYPE STRING,
OUT_SND_ACCTSYMB TYPE STRING,
OUT_DECOUPLING TYPE STRING,
LCL_INSTRUMENT TYPE STRING,
CATEGORY_PURPOSE_CODE TYPE STRING,
SERVICE_LEVEL TYPE STRING,
FLG_BANK_CONFIRMATION TYPE STRING,
TTYPE_CLR_ITEM_C TYPE STRING,
TTYPE_CLR_ITEM_D TYPE STRING,
PRIO_CLR_ITEM TYPE STRING,
FLG_PLANNED_TIME TYPE STRING,
PL_TIME_UNIT TYPE STRING,
PL_TIME_BASE TYPE STRING,
PL_TIME_INDEC TYPE STRING,
PL_TIME_FLG_ID TYPE STRING,
CUTOFF_TIME_FLG TYPE STRING,
CUTOFF_TIME_BASE TYPE STRING,
CUTOFF_TIME_SIGN TYPE STRING,
CUTOFF_TIME_OFFSET TYPE STRING,
CUTOFF_TIME_UNIT TYPE STRING,
CUTOFF_TIME_OF_DAY TYPE STRING,
BUKRS TYPE STRING,
TREEID TYPE STRING,
TREETYPE TYPE STRING,
FLG_BTCHBOOKG TYPE STRING,
BALANCE_CHECK TYPE STRING,
AVOID_DUE_DATE_SHIFT TYPE STRING,
CUTOFF_TIME_TZ_SEL TYPE STRING,
CUTOFF_TIME_TZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_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_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-CL_INSTITUT sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-BAM_ID sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-ROUTE_ACCT_NO sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-ROUTE_ACCT_CUR sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-ROUTE_COUNTRY sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-ROUTE_BANKKEY sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-ROUTE_IBAN sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-ROUTE_BIC sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-ROUTE_HOLDERNAME sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-OUT_CONVERTER sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-OUT_FORMAT sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-OUT_CHANNEL sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-OUT_MEDIUM sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-OUT_BULK_TYPE sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-OUT_PRIORITY sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-OUT_POTYPE sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-OUT_SND_ACCTSYMB sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-OUT_DECOUPLING sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-LCL_INSTRUMENT sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-CATEGORY_PURPOSE_CODE sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-SERVICE_LEVEL sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-FLG_BANK_CONFIRMATION sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-TTYPE_CLR_ITEM_C sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-TTYPE_CLR_ITEM_D sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-PRIO_CLR_ITEM sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-FLG_PLANNED_TIME sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-PL_TIME_UNIT sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-PL_TIME_BASE sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-PL_TIME_INDEC sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-PL_TIME_FLG_ID sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-CUTOFF_TIME_FLG sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-CUTOFF_TIME_BASE sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-CUTOFF_TIME_SIGN sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-CUTOFF_TIME_OFFSET sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-CUTOFF_TIME_UNIT sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-CUTOFF_TIME_OF_DAY sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-BUKRS sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-TREEID sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-TREETYPE sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-FLG_BTCHBOOKG sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-BALANCE_CHECK sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-AVOID_DUE_DATE_SHIFT sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-CUTOFF_TIME_TZ_SEL sy-vline 
WA_/PF1/STR_BPE_CA_DATA_EXTERNAL_STR-CUTOFF_TIME_TZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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