ABAP Select data from SAP table FAP_BPA_S_BATCH_HEADER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAP_BPA_S_BATCH_HEADER
*  INTO TABLE @DATA(IT_FAP_BPA_S_BATCH_HEADER2).
*--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_FAP_BPA_S_BATCH_HEADER INDEX 1 INTO DATA(WA_FAP_BPA_S_BATCH_HEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAP_BPA_S_BATCH_HEADER>-GUID = 1.
<FAP_BPA_S_BATCH_HEADER>-BATCH_NO = 1.
<FAP_BPA_S_BATCH_HEADER>-RULE_ID = 1.
<FAP_BPA_S_BATCH_HEADER>-RULE_TEXT = 1.
<FAP_BPA_S_BATCH_HEADER>-ITEM_CNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAP_BPA_S_BATCH_HEADER-BATCH_CURR, sy-vline,
  WA_FAP_BPA_S_BATCH_HEADER-BATCH_SUM, sy-vline,
  WA_FAP_BPA_S_BATCH_HEADER-MAX_PAY_AMT, sy-vline,
  WA_FAP_BPA_S_BATCH_HEADER-LAUFD_F, sy-vline,
  WA_FAP_BPA_S_BATCH_HEADER-LAUFI_F, sy-vline,
  WA_FAP_BPA_S_BATCH_HEADER-LAUFD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAP_BPA_S_BATCH_HEADER 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_FAP_BPA_S_BATCH_HEADER 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_FAP_BPA_S_BATCH_HEADER INTO WA_FAP_BPA_S_BATCH_HEADER.


*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 RULE_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAP_BPA_S_BATCH_HEADER-RULE_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAP_BPA_S_BATCH_HEADER-RULE_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field BATCH_SUM
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_FAP_BPA_S_BATCH_HEADER-BATCH_SUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAP_BPA_S_BATCH_HEADER-BATCH_SUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field MAX_PAY_AMT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_FAP_BPA_S_BATCH_HEADER-MAX_PAY_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAP_BPA_S_BATCH_HEADER-MAX_PAY_AMT.
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_FAP_BPA_S_BATCH_HEADER_STR, 
GUID TYPE STRING,
BATCH_NO TYPE STRING,
RULE_ID TYPE STRING,
RULE_TEXT TYPE STRING,
ITEM_CNT TYPE STRING,
BATCH_CURR TYPE STRING,
BATCH_SUM TYPE STRING,
MAX_PAY_AMT TYPE STRING,
LAUFD_F TYPE STRING,
LAUFI_F TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
CRUSR TYPE STRING,
CHUSR TYPE STRING,
CREATED TYPE STRING,
CHANGED TYPE STRING,
CUR_PROCESSOR TYPE STRING,
STATUS_ID TYPE STRING,
STATUS_TXT TYPE STRING,
ZBUKR TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
BUTXT TYPE STRING,
BANKA TYPE STRING,
BANKL TYPE STRING,
BANKN TYPE STRING,
WORKITEM_ID TYPE STRING,
ATTACHMENT TYPE STRING,
URGENT TYPE STRING,
FIRST TYPE STRING,
INAPPROVAL TYPE STRING,
FINAL TYPE STRING,
RETURNED TYPE STRING,
PWD_REQUIRED TYPE STRING,
ORIGIN_TAB TYPE STRING,
UIBAN TYPE STRING,
BKACT_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAP_BPA_S_BATCH_HEADER_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_FAP_BPA_S_BATCH_HEADER_STR-GUID sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-BATCH_NO sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-RULE_ID sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-RULE_TEXT sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-ITEM_CNT sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-BATCH_CURR sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-BATCH_SUM sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-MAX_PAY_AMT sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-LAUFD_F sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-LAUFI_F sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-LAUFD sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-LAUFI sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-CRUSR sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-CHUSR sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-CREATED sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-CHANGED sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-CUR_PROCESSOR sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-STATUS_ID sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-STATUS_TXT sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-ZBUKR sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-HBKID sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-HKTID sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-BUTXT sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-BANKA sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-BANKL sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-BANKN sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-WORKITEM_ID sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-ATTACHMENT sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-URGENT sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-FIRST sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-INAPPROVAL sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-FINAL sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-RETURNED sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-PWD_REQUIRED sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-ORIGIN_TAB sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-UIBAN sy-vline 
WA_FAP_BPA_S_BATCH_HEADER_STR-BKACT_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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