ABAP Select data from SAP table BAPIBUSISM008_ITEM_AD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIBUSISM008_ITEM_AD 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 BAPIBUSISM008_ITEM_AD. 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 BAPIBUSISM008_ITEM_AD 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_BAPIBUSISM008_ITEM_AD TYPE STANDARD TABLE OF BAPIBUSISM008_ITEM_AD,
      WA_BAPIBUSISM008_ITEM_AD TYPE BAPIBUSISM008_ITEM_AD,
      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: <BAPIBUSISM008_ITEM_AD> TYPE BAPIBUSISM008_ITEM_AD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPIBUSISM008_ITEM_AD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPIBUSISM008_ITEM_AD
  INTO TABLE IT_BAPIBUSISM008_ITEM_AD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIBUSISM008_ITEM_AD
*  INTO TABLE @DATA(IT_BAPIBUSISM008_ITEM_AD2).
*--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_BAPIBUSISM008_ITEM_AD INDEX 1 INTO DATA(WA_BAPIBUSISM008_ITEM_AD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPIBUSISM008_ITEM_AD ASSIGNING <BAPIBUSISM008_ITEM_AD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIBUSISM008_ITEM_AD>-DOCUMENT_NO = 1.
<BAPIBUSISM008_ITEM_AD>-ITEM_NUMBER = 1.
<BAPIBUSISM008_ITEM_AD>-TECHNICAL_ORDER_NO = 1.
<BAPIBUSISM008_ITEM_AD>-BUSINESS_CONTENT_COMPONENT = 1.
<BAPIBUSISM008_ITEM_AD>-BUSINESS_CONT_COMP_HEADER_NODE = 1.

ENDLOOP.

LOOP AT IT_BAPIBUSISM008_ITEM_AD INTO WA_BAPIBUSISM008_ITEM_AD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIBUSISM008_ITEM_AD-TECHNICAL_CONTENT_COMPONENT, sy-vline,
  WA_BAPIBUSISM008_ITEM_AD-TECHNIC_CONT_COMP_HEADER_NODE, sy-vline,
  WA_BAPIBUSISM008_ITEM_AD-SPECIAL_PUBLICATION_CONT_COMP, sy-vline,
  WA_BAPIBUSISM008_ITEM_AD-DATE_CATEGORY, sy-vline,
  WA_BAPIBUSISM008_ITEM_AD-START_OF_PERIOD, sy-vline,
  WA_BAPIBUSISM008_ITEM_AD-TO_PLUS_INDICATOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIBUSISM008_ITEM_AD 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_BAPIBUSISM008_ITEM_AD 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_BAPIBUSISM008_ITEM_AD INTO WA_BAPIBUSISM008_ITEM_AD.


*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 DOCUMENT_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM008_ITEM_AD-DOCUMENT_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM008_ITEM_AD-DOCUMENT_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUSINESS_CONTENT_COMPONENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM008_ITEM_AD-BUSINESS_CONTENT_COMPONENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM008_ITEM_AD-BUSINESS_CONTENT_COMPONENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUSINESS_CONT_COMP_HEADER_NODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM008_ITEM_AD-BUSINESS_CONT_COMP_HEADER_NODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM008_ITEM_AD-BUSINESS_CONT_COMP_HEADER_NODE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TECHNICAL_CONTENT_COMPONENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM008_ITEM_AD-TECHNICAL_CONTENT_COMPONENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM008_ITEM_AD-TECHNICAL_CONTENT_COMPONENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TECHNIC_CONT_COMP_HEADER_NODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM008_ITEM_AD-TECHNIC_CONT_COMP_HEADER_NODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM008_ITEM_AD-TECHNIC_CONT_COMP_HEADER_NODE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SPECIAL_PUBLICATION_CONT_COMP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM008_ITEM_AD-SPECIAL_PUBLICATION_CONT_COMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM008_ITEM_AD-SPECIAL_PUBLICATION_CONT_COMP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TERMT, internal->external for field DATE_CATEGORY
CALL FUNCTION 'CONVERSION_EXIT_TERMT_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM008_ITEM_AD-DATE_CATEGORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM008_ITEM_AD-DATE_CATEGORY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PUBLICATION_FREQUENCY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM008_ITEM_AD-PUBLICATION_FREQUENCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM008_ITEM_AD-PUBLICATION_FREQUENCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AD_SPEC_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM008_ITEM_AD-AD_SPEC_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM008_ITEM_AD-AD_SPEC_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BOX_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM008_ITEM_AD-BOX_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM008_ITEM_AD-BOX_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field POSITIONING_INSTRUCTION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIBUSISM008_ITEM_AD-POSITIONING_INSTRUCTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIBUSISM008_ITEM_AD-POSITIONING_INSTRUCTION.
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_BAPIBUSISM008_ITEM_AD_STR, 
DOCUMENT_NO TYPE STRING,
ITEM_NUMBER TYPE STRING,
TECHNICAL_ORDER_NO TYPE STRING,
BUSINESS_CONTENT_COMPONENT TYPE STRING,
BUSINESS_CONT_COMP_HEADER_NODE TYPE STRING,
TECHNICAL_CONTENT_COMPONENT TYPE STRING,
TECHNIC_CONT_COMP_HEADER_NODE TYPE STRING,
SPECIAL_PUBLICATION_CONT_COMP TYPE STRING,
DATE_CATEGORY TYPE STRING,
START_OF_PERIOD TYPE STRING,
TO_PLUS_INDICATOR TYPE STRING,
END_OF_PERIOD TYPE STRING,
NO_OF_PLACEMENTS TYPE STRING,
PUBLICATION_FREQUENCY TYPE STRING,
MONDAY TYPE STRING,
TUESDAY TYPE STRING,
WEDNESDAY TYPE STRING,
THURSDAY TYPE STRING,
FRIDAY TYPE STRING,
SATURDAY TYPE STRING,
SUNDAY TYPE STRING,
DATE_TYPE TYPE STRING,
DATE_REQUIRED TYPE STRING,
AD_SPEC_NO TYPE STRING,
BOX_NO_INDICATOR TYPE STRING,
BOX_NO_LOCATION TYPE STRING,
BOX_NO TYPE STRING,
POSITIONING_INSTRUCTION TYPE STRING,
POSITIONING_AD_TYPE TYPE STRING,
FIXED_POSITIONING TYPE STRING,
SELECTIVE_BOOKING TYPE STRING,
AD_SPEC_SCATTERED TYPE STRING,
SORT_WORD TYPE STRING,
TECHNICALLY_INCOMPLETE TYPE STRING,
CANNOT_BE_CHNGD_TECHN TYPE STRING,
TECHNICAL_BLOCK TYPE STRING,
STATUS_CHARACTERISTIC0 TYPE STRING,
STATUS_CHARACTERISTIC1 TYPE STRING,
STATUS_CHARACTERISTIC2 TYPE STRING,
STATUS_CHARACTERISTIC3 TYPE STRING,
STATUS_CHARACTERISTIC4 TYPE STRING,
STATUS_CHARACTERISTIC5 TYPE STRING,
STATUS_CHARACTERISTIC6 TYPE STRING,
STATUS_CHARACTERISTIC7 TYPE STRING,
STATUS_CHARACTERISTIC8 TYPE STRING,
STATUS_CHARACTERISTIC9 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIBUSISM008_ITEM_AD_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_BAPIBUSISM008_ITEM_AD_STR-DOCUMENT_NO sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-ITEM_NUMBER sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-TECHNICAL_ORDER_NO sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-BUSINESS_CONTENT_COMPONENT sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-BUSINESS_CONT_COMP_HEADER_NODE sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-TECHNICAL_CONTENT_COMPONENT sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-TECHNIC_CONT_COMP_HEADER_NODE sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-SPECIAL_PUBLICATION_CONT_COMP sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-DATE_CATEGORY sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-START_OF_PERIOD sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-TO_PLUS_INDICATOR sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-END_OF_PERIOD sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-NO_OF_PLACEMENTS sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-PUBLICATION_FREQUENCY sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-MONDAY sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-TUESDAY sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-WEDNESDAY sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-THURSDAY sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-FRIDAY sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-SATURDAY sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-SUNDAY sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-DATE_TYPE sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-DATE_REQUIRED sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-AD_SPEC_NO sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-BOX_NO_INDICATOR sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-BOX_NO_LOCATION sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-BOX_NO sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-POSITIONING_INSTRUCTION sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-POSITIONING_AD_TYPE sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-FIXED_POSITIONING sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-SELECTIVE_BOOKING sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-AD_SPEC_SCATTERED sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-SORT_WORD sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-TECHNICALLY_INCOMPLETE sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-CANNOT_BE_CHNGD_TECHN sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-TECHNICAL_BLOCK sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-STATUS_CHARACTERISTIC0 sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-STATUS_CHARACTERISTIC1 sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-STATUS_CHARACTERISTIC2 sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-STATUS_CHARACTERISTIC3 sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-STATUS_CHARACTERISTIC4 sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-STATUS_CHARACTERISTIC5 sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-STATUS_CHARACTERISTIC6 sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-STATUS_CHARACTERISTIC7 sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-STATUS_CHARACTERISTIC8 sy-vline 
WA_BAPIBUSISM008_ITEM_AD_STR-STATUS_CHARACTERISTIC9 sy-vline      INTO ld_text SEPARATED BY SPACE.

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