ABAP Select data from SAP table /ACCGO/UIS_S_HDR_BL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/UIS_S_HDR_BL
*  INTO TABLE @DATA(IT_/ACCGO/UIS_S_HDR_BL2).
*--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_/ACCGO/UIS_S_HDR_BL INDEX 1 INTO DATA(WA_/ACCGO/UIS_S_HDR_BL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/UIS_S_HDR_BL>-MANDT = 1.
</ACCGO/UIS_S_HDR_BL>-UIS_KEY = 1.
</ACCGO/UIS_S_HDR_BL>-UIS_ID = 1.
</ACCGO/UIS_S_HDR_BL>-UIS_TYPE = 1.
</ACCGO/UIS_S_HDR_BL>-GROUP_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/UIS_S_HDR_BL-VENDOR, sy-vline,
  WA_/ACCGO/UIS_S_HDR_BL-CUSTOMER, sy-vline,
  WA_/ACCGO/UIS_S_HDR_BL-NEW_VENDOR_FLAG, sy-vline,
  WA_/ACCGO/UIS_S_HDR_BL-VENDOR_ADDR_FLAG, sy-vline,
  WA_/ACCGO/UIS_S_HDR_BL-GS_ADDR_FLAG, sy-vline,
  WA_/ACCGO/UIS_S_HDR_BL-MERGE_KEY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/UIS_S_HDR_BL 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_/ACCGO/UIS_S_HDR_BL 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_/ACCGO/UIS_S_HDR_BL INTO WA_/ACCGO/UIS_S_HDR_BL.


*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 UIS_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/UIS_S_HDR_BL-UIS_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/UIS_S_HDR_BL-UIS_ID.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit TSTLC, internal->external for field CREATED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/UIS_S_HDR_BL-CREATED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/UIS_S_HDR_BL-CREATED_ON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/UIS_S_HDR_BL-CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/UIS_S_HDR_BL-CHANGED_ON.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field CCP_PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/UIS_S_HDR_BL-CCP_PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/UIS_S_HDR_BL-CCP_PARTNER.
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_/ACCGO/UIS_S_HDR_BL_STR, 
MANDT TYPE STRING,
UIS_KEY TYPE STRING,
UIS_ID TYPE STRING,
UIS_TYPE TYPE STRING,
GROUP_ID TYPE STRING,
VENDOR TYPE STRING,
CUSTOMER TYPE STRING,
NEW_VENDOR_FLAG TYPE STRING,
VENDOR_ADDR_FLAG TYPE STRING,
GS_ADDR_FLAG TYPE STRING,
MERGE_KEY TYPE STRING,
GOODS_SUPPLIER TYPE STRING,
EXT_UIS_ID TYPE STRING,
SCALP_REL TYPE STRING,
GOODS_MOVMNT_IND TYPE STRING,
INTER_INTRA_REL TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
UPD_IND TYPE STRING,
MERGE_ID TYPE STRING,
TEMP_UIS_ID TYPE STRING,
VENDOR_SPLIT_TYPE TYPE STRING,
BLOCK_VSPLT TYPE STRING,
SPLIT_PROFILE TYPE STRING,
CURRENCY TYPE STRING,
MBS_REL TYPE STRING,
VENDOR_NAME TYPE STRING,
VENDOR_DUMMY_FLAG TYPE STRING,
TCP_INDICATOR TYPE STRING,
CCP_PARTNER TYPE STRING,
VENDOR_STREET TYPE STRING,
VENDOR_POSTAL_CODE TYPE STRING,
VENDOR_CITY TYPE STRING,
VENDOR_COUNTRY TYPE STRING,
VENDOR_REGION TYPE STRING,
VENDOR_PHONE TYPE STRING,
VENDOR_COUNTRY_NAME TYPE STRING,
VENDOR_TITLE TYPE STRING,
/ACCGO/TCP_FLAG TYPE STRING,
VEHICLE_REL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/UIS_S_HDR_BL_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_/ACCGO/UIS_S_HDR_BL_STR-MANDT sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-UIS_KEY sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-UIS_ID sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-UIS_TYPE sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-GROUP_ID sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-CUSTOMER sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-NEW_VENDOR_FLAG sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR_ADDR_FLAG sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-GS_ADDR_FLAG sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-MERGE_KEY sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-GOODS_SUPPLIER sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-EXT_UIS_ID sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-SCALP_REL sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-GOODS_MOVMNT_IND sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-INTER_INTRA_REL sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-CREATED_BY sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-CREATED_ON sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-CHANGED_BY sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-CHANGED_ON sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-UPD_IND sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-MERGE_ID sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-TEMP_UIS_ID sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR_SPLIT_TYPE sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-BLOCK_VSPLT sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-SPLIT_PROFILE sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-CURRENCY sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-MBS_REL sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR_NAME sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR_DUMMY_FLAG sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-TCP_INDICATOR sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-CCP_PARTNER sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR_STREET sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR_POSTAL_CODE sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR_CITY sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR_COUNTRY sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR_REGION sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR_PHONE sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR_COUNTRY_NAME sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VENDOR_TITLE sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-/ACCGO/TCP_FLAG sy-vline 
WA_/ACCGO/UIS_S_HDR_BL_STR-VEHICLE_REL sy-vline      INTO ld_text SEPARATED BY SPACE.

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