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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/T_ADF_ABD
*  INTO TABLE @DATA(IT_/ACCGO/T_ADF_ABD2).
*--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/T_ADF_ABD INDEX 1 INTO DATA(WA_/ACCGO/T_ADF_ABD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/T_ADF_ABD>-MANDT = 1.
</ACCGO/T_ADF_ABD>-UUID = 1.
</ACCGO/T_ADF_ABD>-WBELN = 1.
</ACCGO/T_ADF_ABD>-POSNR = 1.
</ACCGO/T_ADF_ABD>-/ACCGO/GROUP_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/T_ADF_ABD-/ACCGO/GROUP_YR, sy-vline,
  WA_/ACCGO/T_ADF_ABD-/ACCGO/ABD_TYPE, sy-vline,
  WA_/ACCGO/T_ADF_ABD-/ACCGO/SCENARIO, sy-vline,
  WA_/ACCGO/T_ADF_ABD-/ACCGO/APPLDOC, sy-vline,
  WA_/ACCGO/T_ADF_ABD-/ACCGO/APPLITEM, sy-vline,
  WA_/ACCGO/T_ADF_ABD-/ACCGO/INV_VBELN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/T_ADF_ABD 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/T_ADF_ABD 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/T_ADF_ABD INTO WA_/ACCGO/T_ADF_ABD.


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

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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field /ACCGO/SETTL_YR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/T_ADF_ABD-/ACCGO/SETTL_YR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/T_ADF_ABD-/ACCGO/SETTL_YR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit TSTLC, internal->external for field CREATED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/T_ADF_ABD-CREATED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/T_ADF_ABD-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/T_ADF_ABD-CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/T_ADF_ABD-CHANGED_ON.
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/T_ADF_ABD_STR, 
MANDT TYPE STRING,
UUID TYPE STRING,
WBELN TYPE STRING,
POSNR TYPE STRING,
/ACCGO/GROUP_ID TYPE STRING,
/ACCGO/GROUP_YR TYPE STRING,
/ACCGO/ABD_TYPE TYPE STRING,
/ACCGO/SCENARIO TYPE STRING,
/ACCGO/APPLDOC TYPE STRING,
/ACCGO/APPLITEM TYPE STRING,
/ACCGO/INV_VBELN TYPE STRING,
/ACCGO/INV_PARTY TYPE STRING,
/ACCGO/TIMESTAMP TYPE STRING,
/ACCGO/SER_CONTR TYPE STRING,
/ACCGO/SER_ITEM TYPE STRING,
/ACCGO/SER_LINE TYPE STRING,
/ACCGO/RECOVER TYPE STRING,
/ACCGO/AUTO_ACCR TYPE STRING,
/ACCGO/STL_IGUID TYPE STRING,
/ACCGO/SETTL_DOC TYPE STRING,
/ACCGO/SETTL_YR TYPE STRING,
/ACCGO/STL_ITEM TYPE STRING,
/ACCGO/STL_TYP TYPE STRING,
/ACCGO/SETTL_CAT TYPE STRING,
/ACCGO/SIDE TYPE STRING,
/ACCGO/APPLDOC_H TYPE STRING,
/ACCGO/ITEM TYPE STRING,
/ACCGO/PART_AG TYPE STRING,
/ACCGO/PART_RE TYPE STRING,
/ACCGO/PART_RG TYPE STRING,
/ACCGO/PART_WE TYPE STRING,
/ACCGO/BILL_ITEM TYPE STRING,
UPD_INDI TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
WBELNV TYPE STRING,
EXP_CLASS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/T_ADF_ABD_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/T_ADF_ABD_STR-MANDT sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-UUID sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-WBELN sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-POSNR sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/GROUP_ID sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/GROUP_YR sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/ABD_TYPE sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/SCENARIO sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/APPLDOC sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/APPLITEM sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/INV_VBELN sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/INV_PARTY sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/TIMESTAMP sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/SER_CONTR sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/SER_ITEM sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/SER_LINE sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/RECOVER sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/AUTO_ACCR sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/STL_IGUID sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/SETTL_DOC sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/SETTL_YR sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/STL_ITEM sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/STL_TYP sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/SETTL_CAT sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/SIDE sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/APPLDOC_H sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/ITEM sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/PART_AG sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/PART_RE sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/PART_RG sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/PART_WE sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-/ACCGO/BILL_ITEM sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-UPD_INDI sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-CREATED_BY sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-CREATED_ON sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-CHANGED_BY sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-CHANGED_ON sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-WBELNV sy-vline 
WA_/ACCGO/T_ADF_ABD_STR-EXP_CLASS sy-vline      INTO ld_text SEPARATED BY SPACE.

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