ABAP Select data from SAP table ALTOOLEXEC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ALTOOLEXEC
*  INTO TABLE @DATA(IT_ALTOOLEXEC2).
*--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_ALTOOLEXEC INDEX 1 INTO DATA(WA_ALTOOLEXEC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ALTOOLEXEC>-TOOLNAME = 1.
<ALTOOLEXEC>-TOOLDISPAT = 1.
<ALTOOLEXEC>-TOOLEXEC = 1.
<ALTOOLEXEC>-OWNER = 1.
<ALTOOLEXEC>-CALLTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ALTOOLEXEC-EXECDEST, sy-vline,
  WA_ALTOOLEXEC-DEST_TYPE, sy-vline,
  WA_ALTOOLEXEC-EXECUSER, sy-vline,
  WA_ALTOOLEXEC-STRTTIDTYP, sy-vline,
  WA_ALTOOLEXEC-DELAYTIME, sy-vline,
  WA_ALTOOLEXEC-STARTUPEXE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ALTOOLEXEC 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_ALTOOLEXEC 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_ALTOOLEXEC INTO WA_ALTOOLEXEC.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ALTOOLEXEC_STR, 
TOOLNAME TYPE STRING,
TOOLDISPAT TYPE STRING,
TOOLEXEC TYPE STRING,
OWNER TYPE STRING,
CALLTYPE TYPE STRING,
EXECDEST TYPE STRING,
DEST_TYPE TYPE STRING,
EXECUSER TYPE STRING,
STRTTIDTYP TYPE STRING,
DELAYTIME TYPE STRING,
STARTUPEXE TYPE STRING,
ERRORFLAG TYPE STRING,
PRIORITY TYPE STRING,
RECOVERY TYPE STRING,
MAXRUNTIME TYPE STRING,
CHG_USER TYPE STRING,
CHG_DATE TYPE STRING,
CHG_TIME TYPE STRING,
PARNAME1 TYPE STRING,
PARVALUE1 TYPE STRING,
PARNAME2 TYPE STRING,
PARVALUE2 TYPE STRING,
PARNAME3 TYPE STRING,
PARVALUE3 TYPE STRING,
PARNAME4 TYPE STRING,
PARVALUE4 TYPE STRING,
PARNAME5 TYPE STRING,
PARVALUE5 TYPE STRING,
PARNAME6 TYPE STRING,
PARVALUE6 TYPE STRING,
PARNAME7 TYPE STRING,
PARVALUE7 TYPE STRING,
PARNAME8 TYPE STRING,
PARVALUE8 TYPE STRING,
PARNAME9 TYPE STRING,
PARVALUE9 TYPE STRING,
PARNAME10 TYPE STRING,
PARVALUE10 TYPE STRING,
STARTUPLOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ALTOOLEXEC_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_ALTOOLEXEC_STR-TOOLNAME sy-vline 
WA_ALTOOLEXEC_STR-TOOLDISPAT sy-vline 
WA_ALTOOLEXEC_STR-TOOLEXEC sy-vline 
WA_ALTOOLEXEC_STR-OWNER sy-vline 
WA_ALTOOLEXEC_STR-CALLTYPE sy-vline 
WA_ALTOOLEXEC_STR-EXECDEST sy-vline 
WA_ALTOOLEXEC_STR-DEST_TYPE sy-vline 
WA_ALTOOLEXEC_STR-EXECUSER sy-vline 
WA_ALTOOLEXEC_STR-STRTTIDTYP sy-vline 
WA_ALTOOLEXEC_STR-DELAYTIME sy-vline 
WA_ALTOOLEXEC_STR-STARTUPEXE sy-vline 
WA_ALTOOLEXEC_STR-ERRORFLAG sy-vline 
WA_ALTOOLEXEC_STR-PRIORITY sy-vline 
WA_ALTOOLEXEC_STR-RECOVERY sy-vline 
WA_ALTOOLEXEC_STR-MAXRUNTIME sy-vline 
WA_ALTOOLEXEC_STR-CHG_USER sy-vline 
WA_ALTOOLEXEC_STR-CHG_DATE sy-vline 
WA_ALTOOLEXEC_STR-CHG_TIME sy-vline 
WA_ALTOOLEXEC_STR-PARNAME1 sy-vline 
WA_ALTOOLEXEC_STR-PARVALUE1 sy-vline 
WA_ALTOOLEXEC_STR-PARNAME2 sy-vline 
WA_ALTOOLEXEC_STR-PARVALUE2 sy-vline 
WA_ALTOOLEXEC_STR-PARNAME3 sy-vline 
WA_ALTOOLEXEC_STR-PARVALUE3 sy-vline 
WA_ALTOOLEXEC_STR-PARNAME4 sy-vline 
WA_ALTOOLEXEC_STR-PARVALUE4 sy-vline 
WA_ALTOOLEXEC_STR-PARNAME5 sy-vline 
WA_ALTOOLEXEC_STR-PARVALUE5 sy-vline 
WA_ALTOOLEXEC_STR-PARNAME6 sy-vline 
WA_ALTOOLEXEC_STR-PARVALUE6 sy-vline 
WA_ALTOOLEXEC_STR-PARNAME7 sy-vline 
WA_ALTOOLEXEC_STR-PARVALUE7 sy-vline 
WA_ALTOOLEXEC_STR-PARNAME8 sy-vline 
WA_ALTOOLEXEC_STR-PARVALUE8 sy-vline 
WA_ALTOOLEXEC_STR-PARNAME9 sy-vline 
WA_ALTOOLEXEC_STR-PARVALUE9 sy-vline 
WA_ALTOOLEXEC_STR-PARNAME10 sy-vline 
WA_ALTOOLEXEC_STR-PARVALUE10 sy-vline 
WA_ALTOOLEXEC_STR-STARTUPLOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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