ABAP Select data from SAP table IDSAU_TD_S_ATSL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDSAU_TD_S_ATSL
*  INTO TABLE @DATA(IT_IDSAU_TD_S_ATSL2).
*--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_IDSAU_TD_S_ATSL INDEX 1 INTO DATA(WA_IDSAU_TD_S_ATSL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDSAU_TD_S_ATSL>-BUKRS = 1.
<IDSAU_TD_S_ATSL>-ANLN1 = 1.
<IDSAU_TD_S_ATSL>-ANLN2 = 1.
<IDSAU_TD_S_ATSL>-ANLKL = 1.
<IDSAU_TD_S_ATSL>-TXT50 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDSAU_TD_S_ATSL-AKTIV, sy-vline,
  WA_IDSAU_TD_S_ATSL-DEAKT, sy-vline,
  WA_IDSAU_TD_S_ATSL-ORD4X, sy-vline,
  WA_IDSAU_TD_S_ATSL-GJAHR, sy-vline,
  WA_IDSAU_TD_S_ATSL-BZDAT, sy-vline,
  WA_IDSAU_TD_S_ATSL-BWASL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDSAU_TD_S_ATSL 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_IDSAU_TD_S_ATSL 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_IDSAU_TD_S_ATSL INTO WA_IDSAU_TD_S_ATSL.


*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 ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDSAU_TD_S_ATSL-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDSAU_TD_S_ATSL-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDSAU_TD_S_ATSL-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDSAU_TD_S_ATSL-ANLN2.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AC132, internal->external for field ANBTR
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_IDSAU_TD_S_ATSL-ANBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDSAU_TD_S_ATSL-ANBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field ERLBT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_IDSAU_TD_S_ATSL-ERLBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDSAU_TD_S_ATSL-ERLBT.
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_IDSAU_TD_S_ATSL_STR, 
BUKRS TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
ANLKL TYPE STRING,
TXT50 TYPE STRING,
AKTIV TYPE STRING,
DEAKT TYPE STRING,
ORD4X TYPE STRING,
GJAHR TYPE STRING,
BZDAT TYPE STRING,
BWASL TYPE STRING,
ANBTR TYPE STRING,
ERLBT TYPE STRING,
XAVERB TYPE STRING,
GITCOL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDSAU_TD_S_ATSL_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_IDSAU_TD_S_ATSL_STR-BUKRS sy-vline 
WA_IDSAU_TD_S_ATSL_STR-ANLN1 sy-vline 
WA_IDSAU_TD_S_ATSL_STR-ANLN2 sy-vline 
WA_IDSAU_TD_S_ATSL_STR-ANLKL sy-vline 
WA_IDSAU_TD_S_ATSL_STR-TXT50 sy-vline 
WA_IDSAU_TD_S_ATSL_STR-AKTIV sy-vline 
WA_IDSAU_TD_S_ATSL_STR-DEAKT sy-vline 
WA_IDSAU_TD_S_ATSL_STR-ORD4X sy-vline 
WA_IDSAU_TD_S_ATSL_STR-GJAHR sy-vline 
WA_IDSAU_TD_S_ATSL_STR-BZDAT sy-vline 
WA_IDSAU_TD_S_ATSL_STR-BWASL sy-vline 
WA_IDSAU_TD_S_ATSL_STR-ANBTR sy-vline 
WA_IDSAU_TD_S_ATSL_STR-ERLBT sy-vline 
WA_IDSAU_TD_S_ATSL_STR-XAVERB sy-vline 
WA_IDSAU_TD_S_ATSL_STR-GITCOL sy-vline      INTO ld_text SEPARATED BY SPACE.

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