ABAP Select data from SAP table ISU_IN_COLL_BILL_S_BBP_SUBCAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_IN_COLL_BILL_S_BBP_SUBCAT
*  INTO TABLE @DATA(IT_ISU_IN_COLL_BILL_S_BBP_SUBCAT2).
*--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_ISU_IN_COLL_BILL_S_BBP_SUBCAT INDEX 1 INTO DATA(WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_IN_COLL_BILL_S_BBP_SUBCAT>-WA_BBP_SUBCAT = 1.
<ISU_IN_COLL_BILL_S_BBP_SUBCAT>-OPBEL = 1.
<ISU_IN_COLL_BILL_S_BBP_SUBCAT>-VERTRAG = 1.
<ISU_IN_COLL_BILL_S_BBP_SUBCAT>-FAEDN = 1.
<ISU_IN_COLL_BILL_S_BBP_SUBCAT>-V_ABSBETR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT-V_STEUER, sy-vline,
  WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT-O_VABSBETR, sy-vline,
  WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT-O_VSTEUER, sy-vline,
  WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT-ABSTOPDAT, sy-vline,
  WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT-ABSPERDAT, sy-vline,
  WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT 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_ISU_IN_COLL_BILL_S_BBP_SUBCAT 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_ISU_IN_COLL_BILL_S_BBP_SUBCAT INTO WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT.


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

*Conversion exit ALPHA, internal->external for field VERTRAG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT-VERTRAG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT-VERTRAG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT-SPRAS.
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_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR, 
WA_BBP_SUBCAT TYPE STRING,
OPBEL TYPE STRING,
VERTRAG TYPE STRING,
FAEDN TYPE STRING,
V_ABSBETR TYPE STRING,
V_STEUER TYPE STRING,
O_VABSBETR TYPE STRING,
O_VSTEUER TYPE STRING,
ABSTOPDAT TYPE STRING,
ABSPERDAT TYPE STRING,
WAERS TYPE STRING,
SPARTE TYPE STRING,
XAESP TYPE STRING,
AENGR TYPE STRING,
STPRZ TYPE STRING,
OPUPW TYPE STRING,
OPUPK TYPE STRING,
OPUPZ TYPE STRING,
LOGNO TYPE STRING,
WA_BDEVISIONT TYPE STRING,
MANDT TYPE STRING,
SPRAS TYPE STRING,
SPART TYPE STRING,
VTEXT TYPE STRING,
T_BBP_DETAIL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_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_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-WA_BBP_SUBCAT sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-OPBEL sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-VERTRAG sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-FAEDN sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-V_ABSBETR sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-V_STEUER sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-O_VABSBETR sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-O_VSTEUER sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-ABSTOPDAT sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-ABSPERDAT sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-WAERS sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-SPARTE sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-XAESP sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-AENGR sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-STPRZ sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-OPUPW sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-OPUPK sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-OPUPZ sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-LOGNO sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-WA_BDEVISIONT sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-MANDT sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-SPRAS sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-SPART sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-VTEXT sy-vline 
WA_ISU_IN_COLL_BILL_S_BBP_SUBCAT_STR-T_BBP_DETAIL sy-vline      INTO ld_text SEPARATED BY SPACE.

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