ABAP Select data from SAP table BNK_STR_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 BNK_STR_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 BNK_STR_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 BNK_STR_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_BNK_STR_BATCH_HEADER TYPE STANDARD TABLE OF BNK_STR_BATCH_HEADER,
      WA_BNK_STR_BATCH_HEADER TYPE BNK_STR_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: <BNK_STR_BATCH_HEADER> TYPE BNK_STR_BATCH_HEADER.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BNK_STR_BATCH_HEADER
*  INTO TABLE @DATA(IT_BNK_STR_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_BNK_STR_BATCH_HEADER INDEX 1 INTO DATA(WA_BNK_STR_BATCH_HEADER2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BNK_STR_BATCH_HEADER-LAUFI_F, sy-vline,
  WA_BNK_STR_BATCH_HEADER-BATCH_SUM, sy-vline,
  WA_BNK_STR_BATCH_HEADER-BATCH_CURR, sy-vline,
  WA_BNK_STR_BATCH_HEADER-BATCH_SIGN, sy-vline,
  WA_BNK_STR_BATCH_HEADER-PAYM_SUM, sy-vline,
  WA_BNK_STR_BATCH_HEADER-PAYM_CURR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BNK_STR_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_BNK_STR_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_BNK_STR_BATCH_HEADER INTO WA_BNK_STR_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_BNK_STR_BATCH_HEADER-RULE_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BNK_STR_BATCH_HEADER-RULE_ID.
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_BNK_STR_BATCH_HEADER_STR, 
GUID TYPE STRING,
BATCH_NO TYPE STRING,
RULE_ID TYPE STRING,
ITEM_CNT TYPE STRING,
LAUFD_F TYPE STRING,
LAUFI_F TYPE STRING,
BATCH_SUM TYPE STRING,
BATCH_CURR TYPE STRING,
BATCH_SIGN TYPE STRING,
PAYM_SUM TYPE STRING,
PAYM_CURR TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
XVORL TYPE STRING,
STATUS TYPE STRING,
CRUSR TYPE STRING,
CRTIME TYPE STRING,
CRDATE TYPE STRING,
CHUSR TYPE STRING,
CHTIME TYPE STRING,
CHDATE TYPE STRING,
CUR_PROCESSOR TYPE STRING,
MAX_PAY_AMT TYPE STRING,
ARCHIVE_STATUS TYPE STRING,
ZBUKR TYPE STRING,
HBKID TYPE STRING,
TOT_BTCH_AMT TYPE STRING,
MAXPAYAMT_RULECU TYPE STRING,
GRP_FIELD1_VALUE TYPE STRING,
GRP_FIELD2_VALUE TYPE STRING,
ORIGIN TYPE STRING,
CUR_STS TYPE STRING,
XNO_PARTIAL TYPE STRING,
SDM_VERSION TYPE STRING,
EXT_STAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BNK_STR_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_BNK_STR_BATCH_HEADER_STR-GUID sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-BATCH_NO sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-RULE_ID sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-ITEM_CNT sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-LAUFD_F sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-LAUFI_F sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-BATCH_SUM sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-BATCH_CURR sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-BATCH_SIGN sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-PAYM_SUM sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-PAYM_CURR sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-LAUFD sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-LAUFI sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-XVORL sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-STATUS sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-CRUSR sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-CRTIME sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-CRDATE sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-CHUSR sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-CHTIME sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-CHDATE sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-CUR_PROCESSOR sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-MAX_PAY_AMT sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-ARCHIVE_STATUS sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-ZBUKR sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-HBKID sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-TOT_BTCH_AMT sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-MAXPAYAMT_RULECU sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-GRP_FIELD1_VALUE sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-GRP_FIELD2_VALUE sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-ORIGIN sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-CUR_STS sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-XNO_PARTIAL sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-SDM_VERSION sy-vline 
WA_BNK_STR_BATCH_HEADER_STR-EXT_STAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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