ABAP Select data from SAP table ALSTATITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ALSTATITEM
*  INTO TABLE @DATA(IT_ALSTATITEM2).
*--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_ALSTATITEM INDEX 1 INTO DATA(WA_ALSTATITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ALSTATITEM>-NAME = 1.
<ALSTATITEM>-RC = 1.
<ALSTATITEM>-UPDCNT = 1.
<ALSTATITEM>-UPDFAIL = 1.
<ALSTATITEM>-DELCNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ALSTATITEM-DELFAIL, sy-vline,
  WA_ALSTATITEM-INSCNT, sy-vline,
  WA_ALSTATITEM-INSFAIL, sy-vline,
  WA_ALSTATITEM-DIRCNT, sy-vline,
  WA_ALSTATITEM-DIRFAIL, sy-vline,
  WA_ALSTATITEM-SEQCNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ALSTATITEM 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_ALSTATITEM 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_ALSTATITEM INTO WA_ALSTATITEM.


*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_ALSTATITEM_STR, 
NAME TYPE STRING,
RC TYPE STRING,
UPDCNT TYPE STRING,
UPDFAIL TYPE STRING,
DELCNT TYPE STRING,
DELFAIL TYPE STRING,
INSCNT TYPE STRING,
INSFAIL TYPE STRING,
DIRCNT TYPE STRING,
DIRFAIL TYPE STRING,
SEQCNT TYPE STRING,
UPD_PREP TYPE STRING,
UPD_EXEC TYPE STRING,
UPD_ROW TYPE STRING,
UPD_DUR TYPE STRING,
DEL_PREP TYPE STRING,
DEL_EXEC TYPE STRING,
DEL_ROW TYPE STRING,
DEL_DUR TYPE STRING,
INS_PREP TYPE STRING,
INS_EXEC TYPE STRING,
INS_ROW TYPE STRING,
INS_DUR TYPE STRING,
DIR_PREP TYPE STRING,
DIR_OPEN TYPE STRING,
DIR_FETCH TYPE STRING,
DIR_DUR TYPE STRING,
SEQ_PREP TYPE STRING,
SEQ_OPEN TYPE STRING,
SEQ_FETCH TYPE STRING,
SEQ_ROW TYPE STRING,
SEQ_DUR TYPE STRING,
LOAD_PREP TYPE STRING,
LOAD_OPEN TYPE STRING,
LOAD_FETCH TYPE STRING,
LOAD_ROW TYPE STRING,
LOAD_DUR TYPE STRING,
BUF_RESET TYPE STRING,
BUF_SIZE TYPE STRING,
BUF_SIZEMX TYPE STRING,
BUF_RECS TYPE STRING,
BUF_RECSMX TYPE STRING,
BUF_DIR TYPE STRING,
BUF_SEQ TYPE STRING,
REGIONS_N TYPE STRING,
SEQ_SCAN TYPE STRING,
TNAME TYPE STRING,
REF TYPE STRING,
RNAME TYPE STRING,
BUF TYPE STRING,
SQL TYPE STRING,
BUF_STATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ALSTATITEM_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_ALSTATITEM_STR-NAME sy-vline 
WA_ALSTATITEM_STR-RC sy-vline 
WA_ALSTATITEM_STR-UPDCNT sy-vline 
WA_ALSTATITEM_STR-UPDFAIL sy-vline 
WA_ALSTATITEM_STR-DELCNT sy-vline 
WA_ALSTATITEM_STR-DELFAIL sy-vline 
WA_ALSTATITEM_STR-INSCNT sy-vline 
WA_ALSTATITEM_STR-INSFAIL sy-vline 
WA_ALSTATITEM_STR-DIRCNT sy-vline 
WA_ALSTATITEM_STR-DIRFAIL sy-vline 
WA_ALSTATITEM_STR-SEQCNT sy-vline 
WA_ALSTATITEM_STR-UPD_PREP sy-vline 
WA_ALSTATITEM_STR-UPD_EXEC sy-vline 
WA_ALSTATITEM_STR-UPD_ROW sy-vline 
WA_ALSTATITEM_STR-UPD_DUR sy-vline 
WA_ALSTATITEM_STR-DEL_PREP sy-vline 
WA_ALSTATITEM_STR-DEL_EXEC sy-vline 
WA_ALSTATITEM_STR-DEL_ROW sy-vline 
WA_ALSTATITEM_STR-DEL_DUR sy-vline 
WA_ALSTATITEM_STR-INS_PREP sy-vline 
WA_ALSTATITEM_STR-INS_EXEC sy-vline 
WA_ALSTATITEM_STR-INS_ROW sy-vline 
WA_ALSTATITEM_STR-INS_DUR sy-vline 
WA_ALSTATITEM_STR-DIR_PREP sy-vline 
WA_ALSTATITEM_STR-DIR_OPEN sy-vline 
WA_ALSTATITEM_STR-DIR_FETCH sy-vline 
WA_ALSTATITEM_STR-DIR_DUR sy-vline 
WA_ALSTATITEM_STR-SEQ_PREP sy-vline 
WA_ALSTATITEM_STR-SEQ_OPEN sy-vline 
WA_ALSTATITEM_STR-SEQ_FETCH sy-vline 
WA_ALSTATITEM_STR-SEQ_ROW sy-vline 
WA_ALSTATITEM_STR-SEQ_DUR sy-vline 
WA_ALSTATITEM_STR-LOAD_PREP sy-vline 
WA_ALSTATITEM_STR-LOAD_OPEN sy-vline 
WA_ALSTATITEM_STR-LOAD_FETCH sy-vline 
WA_ALSTATITEM_STR-LOAD_ROW sy-vline 
WA_ALSTATITEM_STR-LOAD_DUR sy-vline 
WA_ALSTATITEM_STR-BUF_RESET sy-vline 
WA_ALSTATITEM_STR-BUF_SIZE sy-vline 
WA_ALSTATITEM_STR-BUF_SIZEMX sy-vline 
WA_ALSTATITEM_STR-BUF_RECS sy-vline 
WA_ALSTATITEM_STR-BUF_RECSMX sy-vline 
WA_ALSTATITEM_STR-BUF_DIR sy-vline 
WA_ALSTATITEM_STR-BUF_SEQ sy-vline 
WA_ALSTATITEM_STR-REGIONS_N sy-vline 
WA_ALSTATITEM_STR-SEQ_SCAN sy-vline 
WA_ALSTATITEM_STR-TNAME sy-vline 
WA_ALSTATITEM_STR-REF sy-vline 
WA_ALSTATITEM_STR-RNAME sy-vline 
WA_ALSTATITEM_STR-BUF sy-vline 
WA_ALSTATITEM_STR-SQL sy-vline 
WA_ALSTATITEM_STR-BUF_STATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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